criyle/codenet-compile-errors huggingface dataset:
Language: C++

#include<bits/stdc++.h>
#define ll long long
using namespace std;
int getint()
{
    int i=0,f=1;char c;
    for(c=getchar();(c!='-')&&(c<'0'||c>'9');c=getchar());
    if(c=='-')c=getchar(),f=-1;
    for(;c>='0'&&c<='9';c=getchar())i=(i<<3)+(i<<1)+c-'0';
    return i*f;
}
const int N=200005,mod=1e9+7;
const ll INF=1e18;
int n,m,A,B,q[N];
ll f[N<<2],g[N<<2],h[N<<2],tag[N<<2];
void add(int k,ll v){if(f[k]!=INF)f[k]+=v,g[k]+=v,h[k]+=v,tag[k]+=v;}
void pushdown(int k){add(k<<1,tag[k]),add(k<<1|1,tag[k]);tag[k]=0;}
void update(int k)
{
    f[k]=min(f[k<<1],f[k<<1|1]);
    g[k]=min(g[k<<1],g[k<<1|1]);
    h[k]=min(h[k<<1],h[k<<1|1]);
}
void build(int k,int l,int r)
{
    f[k]=g[k]=h[k]=INF;
    if(l==r)return;
    int mid=l+r>>1;
    build(k<<1,l,mid),build(k<<1|1,mid+1,r);
}
void chkmin(int k,int l,int r,int p,ll v)
{
    if(l==r)
    {   
        if(v<f[k])f[k]=v,g[k]=v-l,h[k]=v+l;
        return;
    }
    if(tag[k])pushdown(k);
    int mid=l+r>>1;
    p<=mid?chkmin(k<<1,l,mid,p,v):chkmin(k<<1|1,mid+1,r,p,v);
    update(k);
}
ll query(int k,int l,int r,int x,int y,int op)
{
    if(x>y)return INF;
    if(x<=l&&r<=y)return op?h[k]:g[k];
    if(tag[k])pushdown(k);
    int mid=l+r>>1;
    if(y<=mid)return query(k<<1,l,mid,x,y,op);
    else if(x>mid)return query(k<<1|1,mid+1,r,x,y,op);
    else return min(query(k<<1,l,mid,x,mid,op),query(k<<1|1,mid+1,r,mid+1,y,op));
}
int main()
{
    //freopen("lx.in","r",stdin);
    n=getint(),m=getint(),A=getint(),B=getint();
    build(1,1,n);
    for(int i=1;i<=m;i++)q[i]=getint();
    q[0]=B;chkmin(1,1,n,A,0);
    for(int i=1;i<=m;i++)
    {
        ll tmp=min(query(1,1,n,1,q[i],0)+q[i],query(1,1,n,q[i]+1,n,1)-q[i]);
        add(1,abs(q[i]-q[i-1]));chkmin(1,1,n,q[i-1],tmp);
    }
    cout<<f[1]<<'\n';
    return 0;
}

---------------------

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Compiler output:
a.cc:69:1: error: expected unqualified-id before '--' token
   69 | ---------------------
      | ^~
Language: C++

#include<cstdio>
#include<algorithm>
using namespace std;
typedef long long ll;
int n,m,b[5010][210],nxt[5010][210];
ll ans,sum[5010],d[5010];
char buffer[20000010],*head;
inline char Getchar(){
	return *head++;
}
inline int rd(){
	register int x=0;
	register char c;
	do c=Getchar();
	while(!isdigit(c));
	do{
		x=(x<<1)+(x<<3)+(c^48);
		c=Getchar();
	}while(isdigit(c));
	return x;
}
signed main(){
	fread(buffer,1,20000000,stdin);
	head=buffer;
	n=rd(),m=rd();
	for(register int i=2;i<=n;i++){
		int x=rd();
		sum[i]=sum[i-1]+x;
	}
	for(register int i=1;i<=n;i++)
		for(register int j=1;j<=m;j++)
			b[i][j]=rd();
	for(register int i=n;i;i--){
		ll now=0;
		for(int j=1;j<=m;j++){
			now+=b[i][j];
			nxt[i][j]=i+1;
			d[i+1]+=b[i+1][j]-b[i][j];
			for(int &k=nxt[i][j];k<=n&&b[k][j]<=b[i][j];k=nxt[k][j]){
				d[k]+=b[i][j]-b[k][j];
				d[nxt[k][j]]+=b[k][j]-b[i][j];
			}
		}
		for(int j=i;j<=n;j++){
			now+=d[j];
			ans=max(ans,now-(sum[j]-sum[i]));
		}
	}
	printf("%lld",ans);
	return 0;
}

Compiler output:
a.cc: In function 'int rd()':
a.cc:12:22: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   12 |         register int x=0;
      |                      ^
a.cc:13:23: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   13 |         register char c;
      |                       ^
a.cc:15:16: error: 'isdigit' was not declared in this scope
   15 |         while(!isdigit(c));
      |                ^~~~~~~
a.cc: In function 'int main()':
a.cc:26:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   26 |         for(register int i=2;i<=n;i++){
      |                          ^
a.cc:30:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   30 |         for(register int i=1;i<=n;i++)
      |                          ^
a.cc:31:34: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   31 |                 for(register int j=1;j<=m;j++)
      |                                  ^
a.cc:33:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   33 |         for(register int i=n;i;i--){
      |                          ^
Language: C++

#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,m,a[5001],b[5000][200];

signed main(){
  cin>>n>>m;
  for(int i=1;i<n;i++)cin>>a[i];
  for(int i=1;i<n;i++)a[i]+=a[i-1];
  for(int i=0;i<n;i++)
    for(int j=0;j<m;j++)scanf("%lld",&b[i][j]);

  int ans=0;

  for(int i=0;i<n;i++){
    vector<int> v;
    int t=0;
    for(int j=0;j<m;j++)v.push_back(b[i][j]),t+=b[i][j];
    for(int j=i+1;j<n;j++){
      int nt=0;
      for(int k=0;k<m;k++){
	int x=max(b[j][k],v[k]);
	v[k]=x;
	nt+=x;
      }
      t=max(t,nt-(a[j]-a[i]));
    }
    ans=max(ans,t);
  }
  cout<<ans<<endl;
  return 0;
}
#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,m,a[5001],b[5000][200];

signed main(){
  cin>>n>>m;
  for(int i=1;i<n;i++)cin>>a[i];
  for(int i=1;i<n;i++)a[i]+=a[i-1];
  for(int i=0;i<n;i++)
    for(int j=0;j<m;j++)scanf("%lld",&b[i][j]);

  int ans=0;

  for(int i=0;i<n;i++){
    vector<int> v;
    int t=0;
    for(int j=0;j<m;j++)v.push_back(b[i][j]),t+=b[i][j];
    for(int j=i+1;j<n;j++){
      int nt=0;
      for(int k=0;k<m;k++){
	int x=max(b[j][k],v[k]);
	v[k]=x;
	nt+=x;
      }
      t=max(t,nt-(a[j]-a[i]));
    }
    ans=max(ans,t);
  }
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc:36:5: error: redefinition of 'long long int n'
   36 | int n,m,a[5001],b[5000][200];
      |     ^
a.cc:4:5: note: 'long long int n' previously declared here
    4 | int n,m,a[5001],b[5000][200];
      |     ^
a.cc:36:7: error: redefinition of 'long long int m'
   36 | int n,m,a[5001],b[5000][200];
      |       ^
a.cc:4:7: note: 'long long int m' previously declared here
    4 | int n,m,a[5001],b[5000][200];
      |       ^
a.cc:36:9: error: redefinition of 'long long int a [5001]'
   36 | int n,m,a[5001],b[5000][200];
      |         ^
a.cc:4:9: note: 'long long int a [5001]' previously declared here
    4 | int n,m,a[5001],b[5000][200];
      |         ^
a.cc:36:17: error: redefinition of 'long long int b [5000][200]'
   36 | int n,m,a[5001],b[5000][200];
      |                 ^
a.cc:4:17: note: 'long long int b [5000][200]' previously declared here
    4 | int n,m,a[5001],b[5000][200];
      |                 ^
a.cc:38:8: error: redefinition of 'int main()'
   38 | signed main(){
      |        ^~~~
a.cc:6:8: note: 'int main()' previously defined here
    6 | signed main(){
      |        ^~~~
Language: C++

#include<cstdio>
#include<cstring>
#include<algorithm>
#define ll long long
using namespace std;
int read(){
	int s=0,t=1;char c;
	while(!isdigit(c=getchar()))if(c=='-')t=-1;
	do{s=s*10+c-'0';}while(isdigit(c=getchar()));
	return s*t;
}
const int maxn=5010;
int n,m,a[210][maxn],f[210][maxn],s[maxn],w[maxn];
ll A[maxn],g[maxn];
int main(){
	n=read();m=read();
	for(int i=2;i<=n;i++)A[i]=read();
	for(int i=1;i<=n;i++)for(int j=1;j<=m;j++)a[j][i]=read();
	int top=0;
	/*for(int i=1;i<=m;i++){
		for(int j=1;j<=n;j++)printf("%d ",a[i][j]);
		puts("");
	}*/
	for(int i=1;i<=m;i++){
		top=0;
		for(int j=n;j>=1;j--){
			while(top&&a[i][j]>=s[top])top--;
			if(top)f[i][j]=w[top];else f[i][j]=n+1;
			s[++top]=a[i][j];w[top]=j;
			//printf("[%d][%d]%d\n",i,j,f[i][j]);
		}
	}
	for(int i=1;i<=m;i++){
		int j=1;g[1]+=a[i][1];
		while(f[i][j]<=n)g[f[i][j]]+=a[i][f[i][j]]-a[i][j],j=f[i][j];
	}
	ll ans=-1ll<<60,sum=g[1];ans=max(ans,sum);
	//for(int j=1;j<=n;j++)printf("%lld ",g[j]);puts("");
	for(int i=2;i<=n;i++)ans=max(ans,sum=sum-A[i]+g[i]);//,printf("sum=%lld\n",sum);
	for(int k=2;k<=n;k++){
		for(int i=1;i<=m;i++){
			int j=k,pre=0;//g[k]+=a[i][k];
			//while(f[i][j]<=n&&f[i][j]!=f[i][k-1])g[f[i][j]]+=a[i][f[i][j]]-a[i][j],j=f[i][j];
			while(j<=n&&j!=f[i][k-1])g[j]+=a[i][j]-a[i][pre],pre=j,j=f[i][j];
			//printf("[%d]",j);
			//g[f[i][j]]-=a[i][f[i][j]]-a[i][k-1];g[f[i][j]]+=a[i][f[i][j]]-a[i][j];
			g[j]-=a[i][j]-a[i][k-1];g[j]+=a[i][j]-a[i][pre];
		}//puts("");
		sum=g[k];ans=max(ans,sum);
		for(int j=k+1;j<=n;j++)ans=max(ans,sum=sum-A[j]+g[j]);
		//for(int j=1;j<=n;j++)printf("%lld ",g[j]);puts("");
	}
	printf("%lld",ans);
	return 0;
}

Compiler output:
a.cc: In function 'int read()':
a.cc:8:16: error: 'isdigit' was not declared in this scope
    8 |         while(!isdigit(c=getchar()))if(c=='-')t=-1;
      |                ^~~~~~~
a.cc:9:32: error: 'isdigit' was not declared in this scope
    9 |         do{s=s*10+c-'0';}while(isdigit(c=getchar()));
      |                                ^~~~~~~
Language: C++

#include<cmath>
#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;
const int MAXN = 5005;
const int MAXM = 205;
int a[MAXN][MAXM], suf[MAXN][MAXM], c[MAXM];
int n, m, i, j, k, LG[MAXN];
long long tot, ans, d[MAXN];
inline int get()
{
	char c;
	while ((c = getchar()) < 48 || c > 57);
	int res = c - 48;
	while ((c = getchar()) >= 48 && c <= 57)
	res = res * 10 + c - 48;
	return res;
}
int main()
{
	LG[0] = -1;
	for(i = 1; i <= 5000; i ++)
		LG[i] = LG[i >> 1] + 1;
	cin >> n >> m;
	for(i = 2; i <= n; i ++)
		d[i] = get(), d[i] += d[i - 1];
	for(i = 1; i <= n; i ++)
		for(j = 1; j <= m; j ++)
			a[i][j] = get(), f[]
	for(i = 1; i <= n; i ++)
	{
		for(j = 1; j <= m; j ++)
			c[j] = 0;
		tot = 0;
		for(j = i; j <= n; j ++)
		{
			for(k = 1; k <= m; k ++)
				if (a[j][k] > c[k]) tot += a[j][k] - c[k], c[k] = a[j][k];
			ans = max(ans, tot - (d[j] - d[i]));
			int tt = 0;
			for(k = 1; k <= m; k ++)
				if (a[i][k] < c[k]) tt ++;
			if (tt == m) break;
		}
	}
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:42: error: 'f' was not declared in this scope
   31 |                         a[i][j] = get(), f[]
      |                                          ^
a.cc:31:44: error: expected primary-expression before ']' token
   31 |                         a[i][j] = get(), f[]
      |                                            ^
a.cc:32:32: error: expected ';' before ')' token
   32 |         for(i = 1; i <= n; i ++)
      |                                ^
      |                                ;
Language: C++

#include <bits/stdc++.h>

typedef long long ll;

const ll maxn = 5e3 + 1e2;
const ll maxk = 205;
ll val[maxk][maxn];
ll v[maxn];
ll best[maxk];

int main(){
	ll n, k;
	std::cin >> n >> k;

	for(ll i = 1; i < n; i++){
		std::cin >> v[i];
	}

	for(ll i = 0; i < n; i++){
		for(ll j = 0; j < k; j++){
			std::cin >> val[j][i];
		}
	}

	ll res = 0;
	for(ll i = 0; i < n; i++){
		std::fill(best, best + k, 0);
		ll sum = 0;
			std::cout << sum << '\n';
			if(j != i){
				sum -= v[j];
			}

			for(ll curr_k = 0; curr_k < k; curr_k++){
				if(best[curr_k] < val[curr_k][j]){
					sum += val[curr_k][j] - best[curr_k];
					best[curr_k] = val[curr_k][j];
				}
			}

			res = std::max(res, sum);
		}
	}

	std::cout << res << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:28: error: 'j' was not declared in this scope
   30 |                         if(j != i){
      |                            ^
a.cc:35:63: error: 'j' was not declared in this scope
   35 |                                 if(best[curr_k] < val[curr_k][j]){
      |                                                               ^
a.cc: At global scope:
a.cc:45:14: error: 'cout' in namespace 'std' does not name a type
   45 |         std::cout << res << '\n';
      |              ^~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:46:1: error: expected declaration before '}' token
   46 | }
      | ^
Language: C++

#include<bits/stdc++.h>
#define myp pair<int,int>
#define ll long long
using namespace std;
const int N=5010,M=210;
int n,m,maxp,pow2[16];
int d[N][M];
ll dis[N],a[N][N],ans=0;
myp st[M][N<<1][16];
myp que(int l,int r,int k){
	int p=log2(r-l+1);
	return st[k][l][p].first>st[k][r-pow2[p]+1][p].first?st[k][l][p]:st[k][r-pow2[p]+1][p];
}
void fill(int l,int r,int k){
	if(l>r||l<=0||r>n) return;
	myp temp=que(l,r,k);
	int tempk=temp.second;
	a[l][tempk]+=temp.first,a[tempk+1][tempk]-=temp.first,a[l][r+1]-=temp.first,a[tempk+1][r+1]+=temp.first;
	fill(l,tempk-1,k);fill(tempk+1,r,k);
	return;
}
int main(){
	scanf("%d%d",&n,&m);
	maxp=log2(n)+1;
	pow2[0]=1;
	for(int i=1;i<=maxp;i++) pow2[i]=2*pow2[i-1];
	for(int i=2;i<=n;i++) scanf("%lld",&dis[i]);
	for(int i=2;i<=n;i++) dis[i]+=dis[i-1];
	for(int i=1;i<=n;i++)
		for(int j=1;j<=m;j++) scanf("%d",&d[i][j]);
	for(int i=1;i<=m;i++){
		for(int k=1;k<=n;k++) st[i][k][0]=make_pair(d[k][i],k);
		for(int j=1;j<=maxp;j++)
			for(int k=1;k<=n;k++){
				if(st[i][k][j-1].first>=st[i][k+pow2[j-1]][j-1].first)st[i][k][j]=st[i][k][j-1];
				else st[i][k][j]=st[i][k+pow2[j-1]][j-1];
			}
		fill(1,n,i);
	}
//	for(int i=1;i<=n;i++){
//		for(int j=1;j<=n;j++) cout<<a[i][j]<<" ";
//		cout<<endl;
//	}
//	cout<<endl;
	for(int i=1;i<=n;i++)
		for(int j=2;j<=n;j++) a[i][j]+=a[i][j-1];
	for(int j=1;j<=n;j++)
		for(int i=2;i<=n;i++) a[i][j]+=a[i-1][j];
//	for(int i=1;i<=n;i++){
//		for(int j=1;j<=n;j++) cout<<a[i][j]<<" ";
//		cout<<endl;
//	}
	for(int i=1;i<=n;i++)
		for(int j=i;j<=n;j++)
			ans=max(ans,a[i][j]-sum_dis[j]+sum_dis[i-1]);
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:55:45: error: 'sum_dis' was not declared in this scope
   55 |                         ans=max(ans,a[i][j]-sum_dis[j]+sum_dis[i-1]);
      |                                             ^~~~~~~
Language: C++

#include <algorithm>
#include <cassert>
#include <iostream>
#include <vector>
#include <cstdio>
#include <complex>
#include <cstring>
 
using namespace std;
 
typedef long long LL;
 
const int N = 5000 + 5;
const int M = 200 + 5;
const int INF = 1000000000 + 5;
 
int n, m;
int x[N];
int a[M];
LL tag[N << 2];
LL maxv[N << 2];
vector<pair<int, int> > st[M];
 
void modify(int t, int l, int r, int a, int b, LL v)
{
    if (b < l || r < a) return;
    if (a <= l && r <= b) {
        tag[t] += v;
        maxv[t] += v;
        return;
    }
    if (tag[t]) {
        tag[t << 1] += tag[t];
        maxv[t << 1] += tag[t];
        tag[t << 1 | 1] += tag[t];
        maxv[t << 1 | 1] += tag[t];
        tag[t] = 0;
    }
    int mid = (l + r) >> 1;
    modify(t << 1, l, mid, a, b, v);
    modify(t << 1 | 1, mid + 1, r, a, b, v);
    maxv[t] = max(maxv[t << 1], maxv[t << 1 | 1]);
}
 
LL query(int t, int l, int r, int a, int b)
{
    if (b < l || r < a) return 0;
    if (a <= l && r <= b) {
        return maxv[t];
    }
    if (tag[t]) {
        tag[t << 1] += tag[t];
        maxv[t << 1] += tag[t];
        tag[t << 1 | 1] += tag[t];
        maxv[t << 1 | 1] += tag[t];
        tag[t] = 0;
    }
    int mid = (l + r) >> 1;
    return max(query(t << 1, l, mid, a, b), query(t << 1 | 1, mid + 1, r, a, b));
}
 
void solve()
{
    cin >> n >> m;
    for(int i = 0; i < n - 1; ++ i) {
        scanf("%d", x + i);
    }
 
    long long ans = 0;
    for(int j = 0; j < m; ++ j) {
        st[j].push_back(make_pair(INF, -1));
    }
 
    for(int i = 0; i < n; ++ i) {
        long long tmp = 0;
        for(int j = 0; j < m; ++ j) {
            scanf("%d", a + j);
            tmp += a[j];
        }
        ans = max(ans, tmp);
 
        for(int j = 0; j < m; ++ j) {
             while (a[j] >= st[j].back().first) {
                    int r = st[j].back().second;
                    int v = st[j].back().first;
                    st[j].pop_back();
                    int l = st[j].back().second + 1;
                    modify(1, 0, n - 1, l, r, -v);
                }
            }
            modify(1, 0, n - 1, st[j].back().second + 1, i, a[j]);
            st[j].push_back(make_pair(a[j], i));
        }
 
        if (i > 0) {
            modify(1, 0, n - 1, 0, i - 1, -x[i - 1]);
        }
        ans = max(ans, query(1, 0, n - 1, 0, i));
    }
    cout << ans << endl;
}
 
int main()
{
    solve();
    return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:91:36: error: 'j' was not declared in this scope
   91 |             modify(1, 0, n - 1, st[j].back().second + 1, i, a[j]);
      |                                    ^
a.cc:95:13: error: 'i' was not declared in this scope
   95 |         if (i > 0) {
      |             ^
a.cc:98:46: error: 'i' was not declared in this scope
   98 |         ans = max(ans, query(1, 0, n - 1, 0, i));
      |                                              ^
a.cc: At global scope:
a.cc:100:5: error: 'cout' does not name a type
  100 |     cout << ans << endl;
      |     ^~~~
a.cc:101:1: error: expected declaration before '}' token
  101 | }
      | ^
Language: C++

for( auto i : rnd ){
			long long mx[200]={};
			int id[200]={};
			long long dist = 0;
		
		
			for(int j = i ; j < min(i+200,N) ; ){
			
				for(int k = 0 ; k < M ; k++){	
					mx[k] = max(mx[k],B[j][k]);
				}
				long long sub = 0;
				for(int k = 0 ; k < M ; k++){	
					sub += mx[k];
				}
				ans = max(sub-dist,ans);
				//cout << sub << "|" <<  dist << "[" << i << "," << j << "]" << endl;
				int nx = N;
			
				for(int k = 0 ; k < M ; k++)
					id[k] = max(id[k], idx[k][j]);
			
				for(int k = 0 ; k < M ; k++)
					nx = min(id[k],nx);
				dist += A[nx-1] - (j?A[j-1]:0);
				//cout << j << "->" << nx << " " << N << endl;
				j = nx;
				//cout << i << " " << nx << endl;
			
			
			}
		}
	

Compiler output:
a.cc:1:1: error: expected unqualified-id before 'for'
    1 | for( auto i : rnd ){
      | ^~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N = 5e3 + 1;
int n, m;
int d[N];
int a[N];
int c[N][N];

ll f(int s)
{
    for (int i = 0; i < m; i++)
    {
        d[i] = 0;
    }
    ll sum = 0;
    ll res = 0;
    for (int i = s; i < n; i++)
    {
        ll t = 0;
        for (int cur = 0; cur < m; cur++)
        {
            d[cur] = max(d[cur], c[i][cur]);
            t += d[cur];
        }
        res = max(res, t - sum);
        sum += a[i];
    }
    return res;
}

int main()
{
#ifdef ONPC
    freopen("a.in", "r", stdin);
    //freopen("a.out", "w", stdout);
#else
    //freopen("a.in", "r", stdin);
    //freopen("a.out", "w", stdout);
#endif
    ios::sync_with_stdio(0);
    cin >> n >> m;
    for (int i = 0; i < n - 1; i++)
    {
        cin >> a[i];
    }
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            cin >> c[i][j];
        }
    }
    ll ans = f(n - 1);
    for (int it = 0; it < min(n, 3500); it++)
    {
        ans = max(ans, f(i));
    }
    cout << ans << '\n';
}


Compiler output:
a.cc: In function 'int main()':
a.cc:60:26: error: 'i' was not declared in this scope; did you mean 'it'?
   60 |         ans = max(ans, f(i));
      |                          ^
      |                          it
Language: C++

#include <bits/stdc++.h>

#define N (1<<13)
#define ll long long
#define M 1000000007
#define INF 1000000007
#define pii pair<int, int>
#define pb push_back
#define F first
#define S second
#define L length() - 1

using namespace std;

ll a[200][2 * N][13];
ll d[5000];
ínt x[5000];

inline ll query (const int k, const int i, const int j) {
	int l = x[j - i + 1];
	return max(a[k][i][l], a[k][j - (1<<l) + 1][l]);
}

int main () {
	cin.sync_with_stdio(false);
	cin.tie(0);
	int n, m;
	cin>>n>>m;
	
	for (int i = 2; i < 5000; i++) {
		x[i] = x[i / 2] + 1;
	}

	for (int i = 1; i < n; i++) {
		cin>>d[i];
		d[i] += d[i - 1];
	}
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			cin>>a[j][i][0];
		}
	}
	for (int i = 0; i < m; i++) {
		for (int k = 1; k < 13; k++) {
			for (int j = 0; j < n; j++) {
				a[i][j][k] = max(a[i][j][k - 1], a[i][j + (1<<(k - 1))][k - 1]);
			}
		}
	}

	ll ans = 0;
	for (int i = 0; i < n; i++) {
		for (int j = i; j < n; j++) {
			ll s = -(d[j] - d[i]);
			for (int k = 0; k < m; k++) {
				s += query(k, i, j);
			}
			ans = max(ans, s);
		}
	}
	cout<<ans<<endl;
}

Compiler output:
a.cc:17:1: error: '\U000000ednt' does not name a type
   17 | ínt x[5000];
      | ^~~
a.cc: In function 'long long int query(int, int, int)':
a.cc:20:17: error: 'x' was not declared in this scope
   20 |         int l = x[j - i + 1];
      |                 ^
a.cc: In function 'int main()':
a.cc:31:17: error: 'x' was not declared in this scope
   31 |                 x[i] = x[i / 2] + 1;
      |                 ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  
  string s;
 
  cin >> s;
  
  s[5]=’ ’,s[13]=’ ’;
  
  for (int i = 0; i < s.size(); i++) {
      if ( s.at(i) == ',' ) {
        s.at(i) = ' ';
      }  
  }
  
  cout << s << endl;
}
#include <bits/stdc++.h>
using namespace std;
 
int main() {
  
  string s;
 
  cin >> s;
  
  s[5]=' ',s[13]=' ';
  
  for (int i = 0; i < s.size(); i++) {
      if ( s.at(i) == ',' ) {
        s.at(i) = ' ';
      }  
  }
  
  cout << s << endl;
}
提出情報

Compiler output:
a.cc:10:8: error: extended character ’ is not valid in an identifier
   10 |   s[5]=’ ’,s[13]=’ ’;
      |        ^
a.cc:10:10: error: extended character ’ is not valid in an identifier
   10 |   s[5]=’ ’,s[13]=’ ’;
      |          ^
a.cc:10:18: error: extended character ’ is not valid in an identifier
   10 |   s[5]=’ ’,s[13]=’ ’;
      |                  ^
a.cc:10:20: error: extended character ’ is not valid in an identifier
   10 |   s[5]=’ ’,s[13]=’ ’;
      |                    ^
a.cc: In function 'int main()':
a.cc:10:8: error: '\U00002019' was not declared in this scope
   10 |   s[5]=’ ’,s[13]=’ ’;
      |        ^
a.cc: At global scope:
a.cc:23:5: error: redefinition of 'int main()'
   23 | int main() {
      |     ^~~~
a.cc:4:5: note: 'int main()' previously defined here
    4 | int main() {
      |     ^~~~
a.cc:39:1: error: '\U000063d0\U000051fa\U000060c5\U00005831' does not name a type
   39 | 提出情報
      | ^~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  
  string s;
 
  cin >> s;
  
  s[5]=’ ’,s[13]=’ ’;
  
  for (int i = 0; i < s.size(); i++) {
      if ( s.at(i) == ',' ) {
        s.at(i) = ' ';
      }  
  }
  
  cout << s << endl;
}

Compiler output:
a.cc:10:8: error: extended character ’ is not valid in an identifier
   10 |   s[5]=’ ’,s[13]=’ ’;
      |        ^
a.cc:10:10: error: extended character ’ is not valid in an identifier
   10 |   s[5]=’ ’,s[13]=’ ’;
      |          ^
a.cc:10:18: error: extended character ’ is not valid in an identifier
   10 |   s[5]=’ ’,s[13]=’ ’;
      |                  ^
a.cc:10:20: error: extended character ’ is not valid in an identifier
   10 |   s[5]=’ ’,s[13]=’ ’;
      |                    ^
a.cc: In function 'int main()':
a.cc:10:8: error: '\U00002019' was not declared in this scope
   10 |   s[5]=’ ’,s[13]=’ ’;
      |        ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  
  string s;

  cin >> s;
  
  for (int i = 0; i < s.size(); i++) {
      if ( s.at(i) == "," ) {
        s.at(i) = " ";
      }  
  }
  
  cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |       if ( s.at(i) == "," ) {
      |            ~~~~~~~~^~~~~~
a.cc:12:19: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   12 |         s.at(i) = " ";
      |                   ^~~
      |                   |
      |                   const char*
Language: C++

s = list(input())

s[5] = ' '
s[13] = ' '
print(''.join(s))
  

Compiler output:
a.cc:5:7: error: empty character constant
    5 | print(''.join(s))
      |       ^~
a.cc:1:1: error: 's' does not name a type
    1 | s = list(input())
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

string a;
  
int main () {
  cin >> a;
  a[5]=' ';
  a[13]=' ';
  cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: 's' was not declared in this scope
   10 |   cout << s << endl;
      |           ^
Language: C++

#include<stdio.h>
#include<string.h>
int main()
{
    char s[25];
    scanf("%s",&s);
    s[5]=" ";
    s[13]=" ";
    printf("%s",s);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
    7 |     s[5]=" ";
      |          ^~~
      |          |
      |          const char*
a.cc:8:11: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
    8 |     s[13]=" ";
      |           ^~~
      |           |
      |           const char*
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
 	string s;
  	getline(cin, s);
  	for(i : s){
     	if(i==',')
          i=' ';
    }
  	cout << s;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: found ':' in nested-name-specifier, expected '::'
    8 |         for(i : s){
      |               ^
      |               ::
a.cc:8:13: error: 'i' has not been declared
    8 |         for(i : s){
      |             ^
a.cc:13:1: error: expected primary-expression before '}' token
   13 | }
      | ^
a.cc:12:19: error: expected ')' before '}' token
   12 |         cout << s;
      |                   ^
      |                   )
   13 | }
      | ~                  
a.cc:8:12: note: to match this '('
    8 |         for(i : s){
      |            ^
a.cc:13:1: error: expected primary-expression before '}' token
   13 | }
      | ^
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main()
{
	string s, a, b, c;
	cin >> s;
	for (int i = 0; i < 6; i++)
		a[i] = s[i];
	for (int i = 6; i < 14; i++)
		for (int j = 0; j < 8; j++)
			b[j] = s[i];
	for (int i = 14; i < 19; i++)
		for (int k = 0; k < 5; k++)
			c[k] = s[i];
	cout << a[i] << b[j] << c[k] << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:19: error: 'i' was not declared in this scope
   16 |         cout << a[i] << b[j] << c[k] << "\n";
      |                   ^
a.cc:16:27: error: 'j' was not declared in this scope
   16 |         cout << a[i] << b[j] << c[k] << "\n";
      |                           ^
a.cc:16:35: error: 'k' was not declared in this scope
   16 |         cout << a[i] << b[j] << c[k] << "\n";
      |                                   ^
Language: C++

#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int main(){
  string a;
  cin>>a;
  
  for(int i=0;i<19;i++){
    if(a,at(i)==',')
      a,at(i)=' ';
  }
  cout<<a;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:10: error: 'at' was not declared in this scope; did you mean 'a'?
   10 |     if(a,at(i)==',')
      |          ^~
      |          a
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
using namespace std;
int main() {
	string s;
	cin >> s;
	s.replace(5, 1, " ")
	s.replace(13, 1, " ")
	cout << s << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:29: error: expected ';' before 's'
    8 |         s.replace(5, 1, " ")
      |                             ^
      |                             ;
    9 |         s.replace(13, 1, " ")
      |         ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
    string S;
    cin >> S;
    S.at(5) = ' ';
    S.at(13) = ' '
    cout << S << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:19: error: expected ';' before 'cout'
    8 |     S.at(13) = ' '
      |                   ^
      |                   ;
    9 |     cout << S << endl;
      |     ~~~~
Language: C++

#include <iostream>
#include<String>
using namespace std;
int main()
{
	char s[19];
	for(int i=0;i<19;i++)
	{
		cin>>s[i];
		if(s[i]==',')
		{
			s[i]=' ';
		}
	}
	for(int j=0;j<19;j++)
	{
		cout<<s[j];
	}
	return 0;
}

Compiler output:
a.cc:2:9: fatal error: String: No such file or directory
    2 | #include<String>
      |         ^~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
 string s = "s1,s2,s3";
 cout<<s1<<s2<<s3<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:8: error: 's1' was not declared in this scope; did you mean 's'?
    5 |  cout<<s1<<s2<<s3<<endl;
      |        ^~
      |        s
a.cc:5:12: error: 's2' was not declared in this scope; did you mean 's'?
    5 |  cout<<s1<<s2<<s3<<endl;
      |            ^~
      |            s
a.cc:5:16: error: 's3' was not declared in this scope; did you mean 's'?
    5 |  cout<<s1<<s2<<s3<<endl;
      |                ^~
      |                s
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
    vector<char> s(19);
    for (int i = 0; i < 19; i++) {
        cin >> s.at(i);
        if (s.at(i) == ',') s.at(i) = ' ';
        
        if (i + 1 == 19) {
            cout << s.at(i) << endl;
        }
        else {
            cout << s.at(i);
        }

Compiler output:
a.cc: In function 'int main()':
a.cc:15:10: error: expected '}' at end of input
   15 |         }
      |          ^
a.cc:6:34: note: to match this '{'
    6 |     for (int i = 0; i < 19; i++) {
      |                                  ^
a.cc:15:10: error: expected '}' at end of input
   15 |         }
      |          ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
using namespace std;

int main() {
	string s;
	cin>>s;
	s[5]=" ";
	s[13]=" ";
	cout<<s;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    7 |         s[5]=" ";
      |              ^~~
      |              |
      |              const char*
a.cc:8:15: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    8 |         s[13]=" ";
      |               ^~~
      |               |
      |               const char*
Language: C++

#include <iostream>
using namespace std;

int main() {
  string S;
  cin >> S;
  for (int  i = 0; i < S.length() - 1; i ++){
    if (S[i] == ","){
      S[i] == " ";
    }
  }
  cout << S << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    8 |     if (S[i] == ","){
a.cc:9:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |       S[i] == " ";
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  string A;
  cin >> A;
  A[5] = " ";
  A[13] = " ";
  cout << A << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    7 |   A[5] = " ";
      |          ^~~
      |          |
      |          const char*
a.cc:8:11: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    8 |   A[13] = " ";
      |           ^~~
      |           |
      |           const char*
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  cin >> s;
  s[6] = s[14] = " ";
  cout << s;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:18: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    6 |   s[6] = s[14] = " ";
      |                  ^~~
      |                  |
      |                  const char*
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main
{
	string s;
    cin>>s;
    s[5]=' ';
    s[13]=' ';
    cout<<s<<endl;
}

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main
      |     ^~~~
a.cc:5:16: error: expected primary-expression before 's'
    5 |         string s;
      |                ^
a.cc:5:16: error: expected '}' before 's'
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
a.cc:6:5: error: 'cin' does not name a type
    6 |     cin>>s;
      |     ^~~
a.cc:7:5: error: 's' does not name a type
    7 |     s[5]=' ';
      |     ^
a.cc:8:5: error: 's' does not name a type
    8 |     s[13]=' ';
      |     ^
a.cc:9:5: error: 'cout' does not name a type
    9 |     cout<<s<<endl;
      |     ^~~~
a.cc:10:1: error: expected declaration before '}' token
   10 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin>>s;
  s.at(5)==" ";
  s.at(13)==" ";
  cout<<s<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:10: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    6 |   s.at(5)==" ";
      |   ~~~~~~~^~~~~
a.cc:7:11: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    7 |   s.at(13)==" ";
      |   ~~~~~~~~^~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  s.at(5)==" ";
  s.at(13)==" ";
  cout<<s<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    5 |   s.at(5)==" ";
      |   ~~~~~~~^~~~~
a.cc:6:11: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    6 |   s.at(13)==" ";
      |   ~~~~~~~~^~~~~
Language: C++

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;

#define mod 1000000007

int main(){
  string s;
  vector<string> ans;
  
  string temp="";
  for(int i-0;i<s.length();i++){
    if(i==','){
      ans.push_back(temp);
      temp="";
    }else{
      temp=temp+s[i];
    }
  }
  
  for(int i=0;i<ans.size();i++){
    cout<<ans[i]<<" ";
  }
  cout<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: expected ';' before '-' token
   14 |   for(int i-0;i<s.length();i++){
      |            ^
      |            ;
a.cc:14:27: error: expected ')' before ';' token
   14 |   for(int i-0;i<s.length();i++){
      |      ~                    ^
      |                           )
a.cc:14:28: error: 'i' was not declared in this scope
   14 |   for(int i-0;i<s.length();i++){
      |                            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  string s;
  cin >> s ;
  s.at(6) =" ";
    s.at(14)=" ";
  cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:12: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    7 |   s.at(6) =" ";
      |            ^~~
      |            |
      |            const char*
a.cc:8:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    8 |     s.at(14)=" ";
      |              ^~~
      |              |
      |              const char*
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define _GLIBCXX_DEBUG
#define rep(i, from, to) for (int i = from; i < (to); ++i)
#define mp(x,y) make_pair(x,y)
#define all(x) (x).begin(),(x).end()
#define pb push_back
using ll = long long;
using vin=vector<int>;
using vll=vector<ll>;
using vst=vector<string>;
using P = pair<int, int>;
const int inf=1e9+7;
const ll INF=1e18;
template <typename T> void chmin(T &a, T b) { a = min(a, b); }
template <typename T> void chmax(T &a, T b) { a = max(a, b); }
template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; }
template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; }
const int dx[4] = { 1, 0, -1, 0 };
const int dy[4] = { 0, 1, 0, -1 };


int main(){cout<<fixed<<setprecision(10);
		   string s;
           cin>>s;
           int n=s.size();
           rep(i,0,n){
            if(s[i]=='.')s[i]=" "; 
           }
           cout<<s<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:31: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   28 |             if(s[i]=='.')s[i]=" ";
      |                               ^~~
      |                               |
      |                               const char*
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  string s;
  cin>>s;
  for(int i = 0; i<s.size(); i++)
  {     cout<<s[i];
  		if(s[i]==",")
        {
			cout<<" ";
        }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:24: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |                 if(s[i]==",")
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  stirng s;
  cin >> s;
  for(int i=0;i<s.size();i++){
    if(s[i]==','){
      s[i]=' ';
    }
  }
  cout << s;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'stirng' was not declared in this scope
    4 |   stirng s;
      |   ^~~~~~
a.cc:5:10: error: 's' was not declared in this scope
    5 |   cin >> s;
      |          ^
Language: C++

#include <stdio.h>

int main () {
	char str [25];
	scanf ("%s", str);''
	
	str [5] = ' ';
	str [13] = ' ';
	
	printf("%s\n", str);
	
	return 0;
}

Compiler output:
a.cc:5:27: error: empty character constant
    5 |         scanf ("%s", str);''
      |                           ^~
a.cc: In function 'int main()':
a.cc:5:29: error: expected ';' before 'str'
    5 |         scanf ("%s", str);''
      |                             ^
      |                             ;
    6 | 
    7 |         str [5] = ' ';
      |         ~~~
Language: C++

#include <stdio.h>

int main (){
	char str [25]
	scanf ("%s", str)
	
	str [5] = ' ';
	str [13] = ' ';
	
	printf("%s\n", str);
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: expected initializer before 'scanf'
    5 |         scanf ("%s", str)
      |         ^~~~~
a.cc:8:9: error: 'str' was not declared in this scope; did you mean 'std'?
    8 |         str [13] = ' ';
      |         ^~~
      |         std
Language: C++

#include <stdio.h>
#include <string.h>

int main(){
	char str[25];
	scanf("%s", &str);
	
	str[5] = ' '
	str[13] = ' ';
	
	printf("%s", str);
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:21: error: expected ';' before 'str'
    8 |         str[5] = ' '
      |                     ^
      |                     ;
    9 |         str[13] = ' ';
      |         ~~~
Language: C++

#include <stdio.h>
#include <string.h>

int main(){
	char str[25];
	scanf("%s", &str);
	
	str[5] = " ";
	str[13] = " ";
	
	printf("%s", str);
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
    8 |         str[5] = " ";
      |                  ^~~
      |                  |
      |                  const char*
a.cc:9:19: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
    9 |         str[13] = " ";
      |                   ^~~
      |                   |
      |                   const char*
Language: C++

#include<stdio.h>
#include<string.h>
int main()
{
	char str[20]
	int i;
	scanf("%[^\n]" ,str);
	
	for(int i = 0; i < 19 ; i++){
		if(str[i] == ','){
	
	printf("%c" , str[i]);
}
}
return 0;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: expected initializer before 'int'
    6 |         int i;
      |         ^~~
a.cc:7:25: error: 'str' was not declared in this scope; did you mean 'std'?
    7 |         scanf("%[^\n]" ,str);
      |                         ^~~
      |                         std
Language: C++

int main()
{
    char str[105]
    scanf("%s" ,str);

    for(int i = 0; i < strlen(str); i++){
        if(str[i] == ',') {
          str[i] = " ";
        }
    }
    printf("%s" , str);

return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: expected initializer before 'scanf'
    4 |     scanf("%s" ,str);
      |     ^~~~~
a.cc:6:31: error: 'str' was not declared in this scope; did you mean 'std'?
    6 |     for(int i = 0; i < strlen(str); i++){
      |                               ^~~
      |                               std
a.cc:6:24: error: 'strlen' was not declared in this scope
    6 |     for(int i = 0; i < strlen(str); i++){
      |                        ^~~~~~
a.cc:1:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
  +++ |+#include <cstring>
    1 | int main()
a.cc:11:19: error: 'str' was not declared in this scope; did you mean 'std'?
   11 |     printf("%s" , str);
      |                   ^~~
      |                   std
a.cc:11:5: error: 'printf' was not declared in this scope
   11 |     printf("%s" , str);
      |     ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main()
Language: C++

#include<stdio.h>
#include<string.h>
int main()
{
	char str[105]
	scanf("%s" ,str);
	char character = ' ';
	
	for(int i = 0; i < strlen(str); i++){
		if(str[i] == ',')
		str[i] = character;
	}
	printf("%s" , str);
	
return 0;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: expected initializer before 'scanf'
    6 |         scanf("%s" ,str);
      |         ^~~~~
a.cc:9:35: error: 'str' was not declared in this scope; did you mean 'std'?
    9 |         for(int i = 0; i < strlen(str); i++){
      |                                   ^~~
      |                                   std
a.cc:13:23: error: 'str' was not declared in this scope; did you mean 'std'?
   13 |         printf("%s" , str);
      |                       ^~~
      |                       std
Language: C

#include <stdio.h>
#include <string.h>
 
int main(){
	
    char string[20];
    int i;
    
    scanf("%[^\n]", string);
    
    for(i = 0; i < 19; i++){
    	
      if(str[i] == ','){
      	
        printf(" ");
        
      }else{
      	
        printf("%c", string[i]);
        
      }
    }

}

Compiler output:
main.c: In function 'main':
main.c:13:10: error: 'str' undeclared (first use in this function)
   13 |       if(str[i] == ','){
      |          ^~~
main.c:13:10: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <stdio.h>

int main () {
	char arr[25];
	scanf("%[^\n]", arr);
	
	for(int i = 0; arr[i] != '\0'; i++) {
		if(arr[i] == ',') {
			
			arr[i] = ' ';
			printf("%s\n", arr)
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:44: error: expected ';' before '}' token
   11 |                         printf("%s\n", arr)
      |                                            ^
      |                                            ;
   12 |                 }
      |                 ~
Language: C

#include <stdio.h>

int main(){
char a[101];
scanf("%s",&a);

for (int i=0;i<0;i++){
	if(a[i]==','){
		a[i]=='';
	}
}
printf("%s",a);
puts("");
return 0;	
}


Compiler output:
main.c: In function 'main':
main.c:9:23: error: empty character constant
    9 |                 a[i]=='';
      |                       ^~
Language: C++

#include <string.h>
#include <stdio.h>
int main (){
	char input[101];
	scanf ("%s",input);
	
	for (int i=0; i<strlen(input);i++){
		if (input[i]== 'a'){
			input[i]= " ";
		}
	}
	printf(input);
	printf("\n");
	

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:35: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
    9 |                         input[i]= " ";
      |                                   ^~~
      |                                   |
      |                                   const char*
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main(){
  #include <bits/stdc++.h>
typedef long long int ll;
using namespace std;

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	string st;
	cin >> st;
	string c = "";
	for(ll i=0; st[i]; i++){
		if(st[i] != ',')
			c += st[i];
		else{
			cout << c << " ";
			c = "";
		}
	}
	cout << c;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
    9 | int main(){
      |         ^~
a.cc:9:9: note: remove parentheses to default-initialize a variable
    9 | int main(){
      |         ^~
      |         --
a.cc:9:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:9:11: error: a function-definition is not allowed here before '{' token
    9 | int main(){
      |           ^
a.cc:26:2: error: expected '}' at end of input
   26 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  string s;
  cin >> s;
  for (int i = 0; i < 19; i++){
    if(s.at.(i) == ','){
     s.at(i) = ' '; 
    }
  }
  cout << s << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:10: error: invalid use of member function 'std::__cxx11::basic_string<char>::at' (did you forget the '()' ?)
    8 |     if(s.at.(i) == ','){
      |        ~~^~
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  string = s;
  cin >> s;
  for (int i = 0; i < 19; i++){
    if(s.at.(i) == ','){
     s.at(i) = ' '; 
    }
  }
  cout << s << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:10: error: expected unqualified-id before '=' token
    5 |   string = s;
      |          ^
a.cc:6:10: error: 's' was not declared in this scope
    6 |   cin >> s;
      |          ^
a.cc:8:13: error: expected unqualified-id before '(' token
    8 |     if(s.at.(i) == ','){
      |             ^
Language: C

#include <stdio.h>

int main(void){
  char s[20];
  scanf("%s", s);
  for(int i=0; i<=19; i++){
    if (s[i] == ','){
      printf("%c",' ';
    }else{
      printf(s[i]);
    }
  }
  return 0;
}
  


Compiler output:
main.c: In function 'main':
main.c:8:22: error: expected ')' before ';' token
    8 |       printf("%c",' ';
      |             ~        ^
      |                      )
main.c:8:23: error: expected ';' before '}' token
    8 |       printf("%c",' ';
      |                       ^
      |                       ;
    9 |     }else{
      |     ~                  
main.c:10:15: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   10 |       printf(s[i]);
      |              ~^~~
      |               |
      |               char
In file included from main.c:1:
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'char'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C

#include <stdio.h>

int main(void){
  char s[20];
  scanf("%s", s);
  for(int i=0; i<=19; i++){
    if (s[i] == ','){
      printf = ' ';
    }else{
      printf(s[i]);
    }
  }
  return 0;
}
  


Compiler output:
main.c: In function 'main':
main.c:8:14: error: lvalue required as left operand of assignment
    8 |       printf = ' ';
      |              ^
main.c:10:15: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
   10 |       printf(s[i]);
      |              ~^~~
      |               |
      |               char
In file included from main.c:1:
/usr/include/stdio.h:363:43: note: expected 'const char * restrict' but argument is of type 'char'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C

#include <stdio.h>

int main(void){
  char s[19];
  scanf("%s", s);
  for(int i=0, i<=19, i++){
    if (s[i] == ','){
      printf = ' ';
    }else{
      printf(s[i]);
    }
  }
  return 0;
}
  

Compiler output:
main.c: In function 'main':
main.c:6:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<=' token
    6 |   for(int i=0, i<=19, i++){
      |                 ^~
main.c:13:3: error: expected expression before 'return'
   13 |   return 0;
      |   ^~~~~~
main.c:14:1: error: expected expression before '}' token
   14 | }
      | ^
main.c:14:1: error: expected expression before '}' token