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

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <functional>
#include <limits>
#include <queue>
#include <iomanip>
#include <deque>
#include <stack>
#include <cstdio>
#include <cmath>
#include <complex.h>
#include <cstdio>
#include <random>
#include <chrono>
#include <numeric>
#include <cassert>
#include <iso646.h>
#include <exception>
#include <stdexcept>

using namespace std;

typedef long long i64;

double max_dist[40200][202];
int max_v[40200];

int tm[100];
int velocity[100];

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    
    int n;
    cin >> n;

    for (int i = 0; i < n; i++)  cin >> tm[i];
    for (int i = 0; i < n; i++)  cin >> velocity[i];

    int cur_t = 0;
    int t_n = 0;
    for (int i = 0; i < n; i++)
    {
        const int t = tm[i];
        const int v = velocity[i];

        t_n += 2 * t;
        while (cur_t <= t_n)
        {
            max_v[cur_t] = 2 * v;
            cur_t++;
        }
    }

    for (int t = 0; t < 40200; t++)
        for (int v = 0; v < 202; v++)
            max_dist[t][v] = -1e18;

    max_dist[0][0] = 0;
    for (int t = 1; t <= t_n; t++)
        for (int cur_v = 0; cur_v <= max_v[t]; cur_v++)
            for (int shift = -1; shift <= 1; shift++)
            {
                const int prev_v = cur_v + shift;
                if (prev_v >= 0)
                {
                    double d = prev_v / 4.0;
                    if (shift < 0)
                        d += 1.0 / 8;
                    else if (shift > 0)
                        d -= 1.0 / 8;
                    max_dist[t][cur_v] = max(max_dist[t][cur_v], max_dist[t - 1][prev_v] + d);
                }
            }

    cout << max_dist[t_n][0];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:44:41: error: reference to 'tm' is ambiguous
   44 |     for (int i = 0; i < n; i++)  cin >> tm[i];
      |                                         ^~
In file included from /usr/include/time.h:39,
                 from /usr/include/pthread.h:23,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/gthr-default.h:35,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/gthr.h:157,
                 from /usr/include/c++/14/ext/atomicity.h:35,
                 from /usr/include/c++/14/bits/ios_base.h:39,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/x86_64-linux-gnu/bits/types/struct_tm.h:7:8: note: candidates are: 'struct tm'
    7 | struct tm
      |        ^~
a.cc:32:5: note:                 'int tm [100]'
   32 | int tm[100];
      |     ^~
a.cc:51:23: error: reference to 'tm' is ambiguous
   51 |         const int t = tm[i];
      |                       ^~
/usr/include/x86_64-linux-gnu/bits/types/struct_tm.h:7:8: note: candidates are: 'struct tm'
    7 | struct tm
      |        ^~
a.cc:32:5: note:                 'int tm [100]'
   32 | int tm[100];
      |     ^~
Language: C++

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

int main(){
  int N;
  cin>>N;
  float t[N],v[N+1],ans=0.0;
  for(int i=0;i<N;i++){
    cin>>t[i];
  }
  for(int i=0;i<N;i++){
    cin>>v[i];
  }
  v[N]=0.0;
  float nowv=0;

  for(int i=0;i<N;i++){
    float lt=t[i];
    float cmv=v[i],nmv=v[i+1];
    if(nowv==cmv){
      ans+=cmv*lt;
  //    cout<<"a"<<endl;
    }else if(cmv<nmv){
      if(abs(cmv-nowv)>lt){
        ans+=((lt+nowv)+nowv)*lt/2;
        nowv+=lt;
      //  cout<<"b"<<endl;
      }else{
        ans+=(cmv+nowv)*(abs(cmv-nowv))/2;
        ans+=(abs(lt-abs(cmv-nowv)))*cmv;
        nowv=cmv;
      //  cout<<"c"<<endl;
      }
    }else{
      if(abs((cmv-nmv)+(cmv-nowv))<=lt){
        ans+=(cmv+nowv)*(abs(cmv-nowv))/2;
        ans+=(cmv+nmv)*(abs(cmv-nmv))/2;
        ans+=(abs(lt-abs(cmv-nmv)-abs(cmv-nowv)))*cmv;
        nowv=nmv;
    //    cout<<"d"<<endl;
      }else{
        float x=(v[i+1]+nowv+lt)/2;
        if((nowv+x)*(abs(x-nowv))/2>=0){ ans+=(nowv+x)*(abs(x-nowv))/2;
        ans+=(x+v[i+1])*abs((x-v[i+1]))/2;}
        else{
          ans+=(nowv-nmv)*(nowv+nmv)*lt/2;
        }
        nowv=v[i+1];
      //  cout<<"e"<<endl;

      }
    }
  }
  cout<<ans<<setprecison(10)<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:54:14: error: 'setprecison' was not declared in this scope
   54 |   cout<<ans<<setprecison(10)<<endl;
      |              ^~~~~~~~~~~
Language: C++

#include <algorithm>
#include <bitset>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>

// c++11
#include <array>
#include <tuple>
#include <unordered_map>
#include <unordered_set>

#define mp make_pair
#define mt make_tuple
#define rep(i, n) for (long long i = 0; i < (n); i++)
using namespace std;

using ll = long long;
using ull = unsigned long long;
using pii = pair<long long, long long>;

const long long INF = 1 << 29;
const double EPS = 1e-9;
const ll MOD = 1000000007;

const long long dx[] = {1, 0, -1, 0}, dy[] = {0, -1, 0, 1};
const long long MAX_NV = 110;
const long long MAX_T = 210;

long long N;
vector<long long> T,V;
map<long long, long long> limits;
double dp[MAX_NV * MAX_T][MAX_NV * 2];
long long sum;
double memo(long long pos, long long v){
    if (v < 0){
      return -INF;
    }

    if (v > limits[pos]){
      return -INF;
    }
    if (pos >= sum){
      if (v == 0){
        return 0;
      }
      return -INF;
    }

    double &res = dp[pos][v];
    if (res > -2 * INF){
      return res;
    }
    res = -INF;
    res = max(res, memo(pos + 1, v) + v);
    if (v < limits[pos]){
      res = max(res, memo(pos + 1, v + 1) + v + 0.5);
    }

    res = max(res, memo(pos + 1, v - 1) + v - 0.5);
    return res;
}

int main() {
  cin >> N;
  T.resize(N);
  V.resize(N);
  for (long long i = 0; i < N; i++){
    cin >> T[i];
    T[i] *= 2;
    sum += T[i];
  }
  for (long long i = 0; i < N; i++){
    cin >> V[i];
    V[i] *= 2;
  }
  for (long long i = 1; i < N; i++){
    T[i] += T[i - 1];
  }
  long long pre = 0;
  for (long long i = 0; i < N; i++){
    for (long long j = pre; j <= T[i]; j++){
      limits[j] = V[i];
    }
    pre = T[i];
  }
  // double dp[MAX_NV * MAX_T][MAX_NV * 2];
  for (long long i = 0; i < MAX_NV * MAX_T; i++){
    for (long long j = 0; j < MAX_NV * 2; j++){
      dp[i][j] = -2 * INF;
    }
  }
  double result = (double)memo(0, 0) / 4;
  if (result <= 0){
    result = 0;
  }
  prlong longf("%.20lf\n", result);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:118:3: error: 'prlong' was not declared in this scope; did you mean 'ulong'?
  118 |   prlong longf("%.20lf\n", result);
      |   ^~~~~~
      |   ulong
Language: C++


def spaceinput():
    return list(map(int,input().split(" ")))

def interval(t):
    pass
N=int(input())
T=spaceinput()
v=spaceinput()

Tmax=0

for i in range(N):
    Tmax+=(T[i])
#mv=[0]*(Tmax+1)
mv={}

frange=[x for x in range(2*Tmax+1)]

k=0
sT=T[0]
d=0.5

mv[0]=0
for t in [x/2 for x in range(1,2*Tmax)]:

    if sT<t:
        k+=1
        if k<len(T):
            sT+=T[k]
        else:
            break

    mv[t]=min(v[k],mv[t-0.5]+d)

mv[Tmax]=0

k=N-1
sT=Tmax-T[-1]
for t in reversed([x/2 for x in range(1,2*Tmax)]):
    if sT>t:
        k-=1
        sT-=T[k]

    mv[t]=min(v[k],mv[t],mv[t+d]+d)


res=0
k=0
sT=T[0]
for t in [x/2 for x in range(1,2*Tmax)]:
    if sT<t:
        if t==Tmax-1:
            break
        k+=1
        if k<len(T):
            sT+=T[k]
    res+=mv[t]*0.5

print(res)


Compiler output:
a.cc:15:2: error: invalid preprocessing directive #mv
   15 | #mv=[0]*(Tmax+1)
      |  ^~
a.cc:2:1: error: 'def' does not name a type
    2 | def spaceinput():
      | ^~~
a.cc:18:1: error: 'frange' does not name a type
   18 | frange=[x for x in range(2*Tmax+1)]
      | ^~~~~~
Language: C++

#include <algorithm>
#include <bitset>
#include <cassert>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>

// c++11
#include <array>
#include <tuple>
#include <unordered_map>
#include <unordered_set>

#define mp make_pair
#define mt make_tuple
#define rep(i, n) for (int i = 0; i < (n); i++)
#define int long long
using namespace std;

using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;

const int INF = 1 << 29;
const double EPS = 1e-9;
const ll MOD = 1000000007;

const int dx[] = {1, 0, -1, 0}, dy[] = {0, -1, 0, 1};
const int MAX_NV = 110;
const int MAX_T = 210;

int N;
vector<int> T,V;
map<int, int> limits;
double dp[MAX_NV * MAX_T][MAX_NV * 2];
int sum;
double memo(int pos, int v){
    if (v < 0){
      return -INF;
    }

    if (v > limits[pos]){
      return -INF;
    }
    if (pos >= sum){
      if (v == 0){
        return 0;
      }
      return -INF;
    }

    double &res = dp[pos][v];
    if (res > -2 * INF){
      return res;
    }
    res = -INF;
    res = max(res, memo(pos + 1, v) + v);
    if (v < limits[pos]){
      res = max(res, memo(pos + 1, v + 1) + v + 0.5);
    }

    res = max(res, memo(pos + 1, v - 1) + v - 0.5);
    return res;
}

int main() {
  cin >> N;
  T.resize(N);
  V.resize(N);
  for (int i = 0; i < N; i++){
    cin >> T[i];
    T[i] *= 2;
    sum += T[i];
  }
  for (int i = 0; i < N; i++){
    cin >> V[i];
    V[i] *= 2;
  }
  for (int i = 1; i < N; i++){
    T[i] += T[i - 1];
  }
  int pre = 0;
  for (int i = 0; i < N; i++){
    for (int j = pre; j <= T[i]; j++){
      limits[j] = V[i];
    }
    pre = T[i];
  }
  // double dp[MAX_NV * MAX_T][MAX_NV * 2];
  for (int i = 0; i < MAX_NV * MAX_T; i++){
    for (int j = 0; j < MAX_NV * 2; j++){
      dp[i][j] = -2 * INF;
    }
  }
  double result = (double)memo(0, 0) / 4;
  if (result <= 0){
    result = 0;
  }
  printf("%.20lf\n", result);
  return 0;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

// see https://gist.github.com/LumaKernel/ff55d49ee1af69b7388f15b707e75c15
#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <complex>
#include <random>
#include <iomanip>

using namespace std;

typedef long long ll;
typedef pair<int, int> P;
typedef vector<int> VI;
typedef vector<P> VP;

#define omajinai ios::sync_with_stdio(false);cin.tie(0)

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define RFOR(i,a,b) for(int i=(b)-1;i>=(a);--i)
#define RREP(i,n) RFOR(i,0,n)

#define LFOR(i,a,b) for(ll i=(a);i<(b);++i)
#define RLFOR(i,b,a) for(ll i=(b)-1;i>=(a);--i)

#define ALL(a) (a).begin(),(a).end()
#define UNIQUE(a) (a).erase(unique((a).begin(),(a).end()),(a).end())
#define MP make_pair
#define PB push_back
#define EACH(i,c) REP(i,(int)(c).size())
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())

#define dump(x) cerr << "[L " << __LINE__ << "] " << #x << " = " << (x) << "\n";
#define dump2(x,y) cerr << "[L " << __LINE__ << "] " << #x << " = " << (x)\
			<< " , " << #y << " = " << (y) << "\n";

const int INF = 1e9;
const double EPS = 1e-10;

int n,m;
ll k;
string s,t;

int main() {
	cin >> n;

	double ans=0;

	int t[104],v[104];
	ll ts = 0;
	REP(i,n){
		cin >> t[i+2];
		ts += t[i+2];
	}
	REP(i,n){
		cin >> v[i+2];
	}
	// 出たな番兵！！
	t[0] = t[1] = 0;
	t[n+1] = t[n+2] = 0;
	v[0] = v[1] = v[n+1] = v[n+2] = 0;

	FOr(i, 1, n+3){
		v[i] += v[i-1];
	}
	
	
	FOR(i, 2 , n + 2){
		double x1 = t[i-1],x2=t[i+1];//,x3=t[i];
		double y1 = v[i-1],y2=v[i+1],y3=v[i];
		double X1 = x1+y3-y1;
		double X2 = x2-y3+y2;
		double X3 = (x1-y1+x2+y2)/2;
		double Y3 = (X3 - x1) + y1;
		bool isBelow1=y3>y1;
		bool isBelow2=y3>y2;

		dump2(i, v[i]);
		dump2(X1, X2);
		dump2(x2, y2);
		dump2(X3,X1);
		if(isBelow1&&isBelow2){
			if(X3<X1){ // 交わる
				dump(1);
				ans += (x2 - x1) * (Y3 - min(y1, y2));
				ans -= (X3-x1)*(X3-x1)*.5;
				ans -= (X3-x2)*(X3-x2)*.5;
			}else{ // 交わらない
				dump(2);
				ans += y3 * (x2 - x1) -
						.5 * (X1 - x1) * (y3 - y1) - // 1
						.5 * (x2 - X2) * (y3 - y2); // 2
			}
		}else if(isBelow1){
			ans += y3 * (x2 - x1) -
					.5 * (y3 - y1) * (X1 - x1); // 1
		}else if(isBelow2){
			ans += y3 * (x2 - x1) -
					.5 * (y3 - y2) * (x2 - X2); // 2
		}else{
			ans += (x2 - x1) * y3;
		}
		dump(ans);
	}



	cout << fixed << setprecision(4) << ans;
	cout << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:71:13: error: 'i' was not declared in this scope
   71 |         FOr(i, 1, n+3){
      |             ^
a.cc:71:9: error: 'FOr' was not declared in this scope; did you mean 'FOR'?
   71 |         FOr(i, 1, n+3){
      |         ^~~
      |         FOR
Language: C++

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

int main()
{
    int N;
    cin >> N;
    vector<double> t(N), v(N);
    double sum = 0;
    for (int i = 0; i < N; i++) {
        cin >> t[i];
        sum += t[i];
    }
    for (int i = 0; i < N; i++) {
        cin >> v[i];
    }
    //番兵
    v.push_back(INT_MAX);

    double now_time = 0, now_speed = 0;
    double ans = 0;
    for (int i = 0; i < N; i++) {
        //printf("i = %d\n", i);
        //now_timeからnow_time + t[i]までの時間を走る
        //t[i]は3つに分けられる
        //速度を上げている時間,そのままの時間,下げる時間
        double up_time, keep_time, down_time;

        //次の時間が始まるときの制限速度
        double next_start_limit = min(v[i + 1], sum - (now_time + t[i]));

        //速度を上げる時間は今の制限速度までを考慮したものと、次の制限速度を考慮したものの小さい方
        up_time = min(v[i] - now_speed, (next_start_limit + t[i] - now_speed) / 2);
        up_time  min(up_time, t[i]);

        down_time = max(0.0, now_speed + up_time - next_start_limit);

        keep_time = t[i] - up_time - down_time;

        ans += 0.5 * (now_speed + now_speed + up_time) * up_time;
        ans += (now_speed + up_time) * keep_time;
        ans += 0.5 * (now_speed + up_time + now_speed + up_time - down_time) * down_time;

        now_time += t[i];
        now_speed += up_time;
        now_speed -= down_time;
        //printf("%f, %f, %f\n", up_time, keep_time, down_time);
        //printf("ans = %.4f\n", ans);
    }
    printf("%.6f\n", ans);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:34:16: error: expected ';' before 'min'
   34 |         up_time  min(up_time, t[i]);
      |                ^ ~~~
      |                ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define il inline
#define outy printf("Yes\n")
#define outn printf("No\n")
#define outf printf("First\n")
#define outs printf("Second\n")
#define FOR(a,b,c) for(int a=b;a<=c;a++)
#define FORD(a,b,c) for(int a=b;a>=c;a--)
#define FORL(a,b) for(int a=head[b];a;a=nxt[a])
#define in(a)  a=read()
#define in2(a,b)  a=read(),b=read()
#define in3(a,b,c)  a=read(),b=read(),c=read()
#define in4(a,b,c,d)  a=read(),b=read(),c=read(),d=read()
#define inl(a)  a=readl()
#define inl2(a,b)  a=readl(),b=readl()
#define inl3(a,b,c)  a=readl(),b=readl(),c=readl()
#define inl4(a,b,c,d)  a=readl(),b=readl(),c=readl(),d=readl()
#define out(a) printf("%d\n",a)
#define out2(a,b) printf("%d %d\n",a,b)
#define out3(a,b,c) printf("%d %d %d\n",a,b,c)
#define out4(a,b,c,d) printf("%d %d %d %d\n",a,b,c,d)
#define outl(a) printf("%lld\n",a)
#define outl2(a,b) printf("%lld %lld\n",a,b)
#define outl3(a,b,c) printf("%lld %lld %lld\n",a,b,c)
#define outl4(a,b,c,d) printf("%lld %lld %lld %lld\n",a,b,c,d)
#define clr(x,y) memset(x,y,sizeof(x))
inline int read(){
    char c;int s=0,t=1;
    while(!isdigit(c=getchar()))if(c=='-')t=-1;
    do{s=s*10+c-'0';}while(isdigit(c=getchar()));
    return s*t;
}
inline ll readl(){
    char c;ll s=0;int t=1;
    while(!isdigit(c=getchar()))if(c=='-')t=-1;
    do{s=s*10+c-'0';}while(isdigit(c=getchar()));
    return s*t;
}
/*------------------------------------------------------------*/
#define mod 1000000007
#define maxn 100010
/*------------------------------------------------------------*/
int n,m;
ll t[maxn],v[maxn];
ll f[maxn];
int main(){
	in(n);
	FOR(i,1,n){
		inl(t[i]);
		t[i]*=5;
		t[i]+=t[i-1];
	}
	FOR(i,1,n)inl(v[i]),v[i]*=5
	FOR(i,1,n){
		if(v[i-1]<v[i])t[i-1]++;
		FOR(j,t[i-1],t[i])f[j]=min(f[j-1]+1,min(min(v[i],j*1ll),t[n]-j));
	}
	FORD(i,t[n]-1,1)f[i]=min(f[i+1]+1,f[i]);
	long double ans=0;
	FOR(i,1,t[n])ans+=(double)f[i]/25.0;
	cout<<ans;
} 


Compiler output:
a.cc: In function 'int main()':
a.cc:55:36: error: expected ';' before 'for'
   55 |         FOR(i,1,n)inl(v[i]),v[i]*=5
      |                                    ^
      |                                    ;
a.cc:56:13: error: 'i' was not declared in this scope
   56 |         FOR(i,1,n){
      |             ^
a.cc:9:32: note: in definition of macro 'FOR'
    9 | #define FOR(a,b,c) for(int a=b;a<=c;a++)
      |                                ^
Language: C++

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<functional>
#include<vector>
#include<queue>
using namespace std;
#define f(i,n) for(int i=0;i<(int)n;i++)
#define MOD 1000000009

int main(void){
	double a[200];
	double b[200];
	double max[21001];
	double seg[21001];
	bool c[21001];
	f(i, 200){
		a[i] = 0;
		b[i] = 0;
	}
	f(i, 21001){
		max[i] = INT_MAX;
		seg[i] = INT_MAX;
		c[i] = 1;
	}
	int k, s;
	int n, m;
	int x, y, z;
	double ans = 0;
	s = 0;
	scanf("%d", &n);
	f(i, n){
		scanf("%lf", &a[i]);
	}
	f(i, n){
		scanf("%lf", &b[i]);
		f(j, a[i]+1)seg[s + j] = min(seg[s+j],b[i]);
		s += a[i];
	}
	seg[0] = 0;
	seg[s] = 0;

	f(i, s+1){
		if (i == 0||i==s)max[i] = 0;
		else{
			max[i] = min(max[i - 1] + 1, seg[i]);
			if (min(max[i - 1] + 1, seg[i]) != seg[i])c[i] = 0;
		}
	}

	for (int i = s; i >= 0; i--){
		max[i] = min(max[i + 1] + 1, max[i]);
		if (min(max[i + 1] + 1, max[i]) != max[i])c[i] = 0;
	}
	f(i, s){
		if (max[i] != max[i + 1])ans += min(max[i], max[i + 1]) + 0.5;
		else {
			if (c[i] == 0 || c[i + 1] == 0)ans += max[i] + 0.25;
			else ans += max[i];
		}
	}
	printf("%f\n", ans);

	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:24:26: error: 'INT_MAX' was not declared in this scope
   24 |                 max[i] = INT_MAX;
      |                          ^~~~~~~
a.cc:9:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    8 | #include<queue>
  +++ |+#include <climits>
    9 | using namespace std;
Language: C++

#include "bits/stdc++.h"
#include <sys/timeb.h>
#include <fstream>

using namespace std;

#define repr(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define rep(i,n) repr(i,0,n)
#define reprrev(i,a,b) for(int i=(int)(b)-1;i>=(int)(a);i--)
#define reprev(i,n) reprrev(i,0,n)
#define repi(itr,ds) for(auto itr=ds.begin();itr!=ds.end();itr++)
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define mp make_pair
#define mt make_tuple
#define INF 1050000000
#define INFL 9e18
#define EPS (1e-10)
#define MOD 1000000007
#define PI 3.1415926536
#define RMAX 4294967295

typedef long long ll;
typedef pair<int, int> Pi;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<string> vs;
typedef vector<double> vd;
typedef vector<Pi> vPi;
typedef vector<vector<int> > vvi;
typedef vector<vector<bool> > vvb;
typedef vector<vector<ll> > vvll;
typedef vector<vector<char> > vvc;
typedef vector<vector<string> > vvs;
typedef vector<vector<double> > vvd;
typedef vector<vector<Pi> > vvPi;
typedef priority_queue<int, vector<int>, greater<int> > pqli;
typedef priority_queue<ll, vector<ll>, greater<ll> > pqlll;
typedef priority_queue<Pi, vector<Pi>, greater<Pi> > pqlP;
struct Edge {
	int from, to, cost;
	bool operator<(Edge e) {
		return cost < e.cost;
	}
};
typedef vector<Edge> Edges;
typedef vector<Edges> Graph;
template <class T>
using vec = vector<T>;
template<class T>
using pql = priority_queue<T, vector<T>, greater<T>>;
string debug_show(Pi a) {
	return "(" + to_string(a.first) + "," + to_string(a.second) + ")";
}

template<class T>
struct augEdge {
	T from, to;
	int cost;
	bool operator<(augEdge e) { return cost < e.cost; }
	bool operator>(augEdge e) { return cost > e.cost; }
};
template<class T>
using augGraph = vector<augEdge<T>>;


int main(void) {
	int N;
	cin >> N;
	vi t(N), v(N);
	rep(i, N) {
		cin >> t[i];
	}
	rep(i, N) {
		cin >> v[i];
	}
	double ans = 0;
	double s = 0, d = 0;
	double pre = 0;
	rep(i, N) {
		int a = pre;
		int b = (i == N - 1 ? 0 : min({ a + t[i], v[i], v[i + 1] }));
		int time = 0;
		rep(j, i + 1, N) {
			time += t[j];
			b = min(b, time + min(v[j], (j == N - 1 ? 0 : v[j + 1])));
		}
		pre = b;
		double x = (b - a + t[i]) / 2.0;
		s += t[i] * (a + x) - x*x / 2 - (t[i] - x)*(t[i] - x) / 2;
		d += (a + x > v[i] ? (a + x - v[i])*(a + x - v[i]) : 0);
		//cout << a << " " << b << " " << x << " " << s << " " << d << endl;
	}

	cout << fixed << setprecision(15) << s - d << endl;
	return 0;
}

Compiler output:
a.cc:86:32: error: macro "rep" passed 3 arguments, but takes just 2
   86 |                 rep(j, i + 1, N) {
      |                                ^
a.cc:8:9: note: macro "rep" defined here
    8 | #define rep(i,n) repr(i,0,n)
      |         ^~~
a.cc: In function 'int main()':
a.cc:86:17: error: 'rep' was not declared in this scope
   86 |                 rep(j, i + 1, N) {
      |                 ^~~
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<vector>
#include<string>
#define p pair<int,int>
#define P pair<int,p>
using namespace std;

bool used[20001];
int t[20001];
P a[100];
signed main() {
	memset(t, 0x3f, sizeof(t));
	int n; cin >> n;
	int sum = 0;
	for (int i = 0; i < n; i++) {
		int x; cin >> x;
		a[i].second = { sum,sum + x };
		sum += x;
	}
	t[0] = t[sum] = 0;
	for (int i = 0; i < n; i++) {
		cin >> a[i].first;
	}
	sort(a, a + n);
	for (int i = 0; i < n; i++) {
		for (int j = max(1,a[i].second.first); j <= a[i].second.second; j++) {
			if (used[j])continue;
			used[j] = true;
			int l = 0;
			for (int k = 0; k < j; k++) {
				l = min(l, t[k]);
				l++;
			}
			int r = 0;
			for (int k = 20001; k >= j; k--) {
				r = min(r, t[k]);
				r++;
			}
			t[j] = min({ a[i].first, l,r });
			if (j == 80)cout << t[j] << endl;
		}
	}
	double ans = 0;
	for (int i = 0; i < sum; i++) {
		ans += (t[i] + t[i + 1]) / 2;
	}
	printf("%.10lf\n", ans);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: 'memset' was not declared in this scope
   14 |         memset(t, 0x3f, sizeof(t));
      |         ^~~~~~
a.cc:5:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    4 | #include<vector>
  +++ |+#include <cstring>
    5 | #include<string>
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; i++)
using namespace std;
using ll = long long;

int main() {
  string S;
  cin >> S;

  if (count(S.begin(), S.end(), "AC") >= 1)
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
  return 0;
}

Compiler output:
In file included from /usr/include/c++/14/bits/stl_algobase.h:71,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_equals_val<_Value>::operator()(_Iterator) [with _Iterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; _Value = const char [3]]':
/usr/include/c++/14/bits/stl_algobase.h:2163:12:   required from 'typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::__count_if(_InputIterator, _InputIterator, _Predicate) [with _InputIterator = __gnu_cxx::__normal_iterator<char*, __cxx11::basic_string<char> >; _Predicate = __gnu_cxx::__ops::_Iter_equals_val<const char [3]>; typename iterator_traits< <template-parameter-1-1> >::difference_type = long int]'
 2163 |         if (__pred(__first))
      |             ~~~~~~^~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:4033:29:   required from 'typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::count(_IIter, _IIter, const _Tp&) [with _IIter = __gnu_cxx::__normal_iterator<char*, __cxx11::basic_string<char> >; _Tp = char [3]; typename iterator_traits< <template-parameter-1-1> >::difference_type = long int]'
 4033 |       return std::__count_if(__first, __last,
      |              ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
 4034 |                              __gnu_cxx::__ops::__iter_equals_val(__value));
      |                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:10:12:   required from here
   10 |   if (count(S.begin(), S.end(), "AC") >= 1)
      |       ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/predefined_ops.h:270:24: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
  270 |         { return *__it == _M_value; }
      |                  ~~~~~~^~~~~~~~~~~
Language: C++

#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pp pair<int,int>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define ld long double
#define al(a) (a).begin(),(a).end()
#define mk make_pair
#define check cout<<"?"<<endl;

ll MOD=1000000007;
ll mod=998244353;
int inf=1000001000;
ll INF=1e18+5;

int main(){
    string s; cin>>s;
    int n=s.size();
    rep(i,n-1){
        if(s[i]=='A' &6 s[i+1]=='C'){
            cout<<"Yes"<<endl;
            return 0;
        }
    }
    cout<<"No"<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:24: error: expected ')' before 's'
   21 |         if(s[i]=='A' &6 s[i+1]=='C'){
      |           ~            ^~
      |                        )
Language: C++

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

int main(){
  string S;
  cin>>S;
  for(int i=0;i<S.size()-1)
    if(S.at(i)=='A' && S.at(i+1)=='C'){
      cout<<"Yes"<<endl;
      return 0;
    }
  cout<<"No"<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:27: error: expected ';' before ')' token
    7 |   for(int i=0;i<S.size()-1)
      |                           ^
      |                           ;
Language: C++

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

int main() {
	string s;
	cin >> s;
	for (int i = 1; i < s.length(); i++) {
		string t = s.substr(i - 1, 2);
		if (t == "AC") {
			cout << "Yes" << endl;
			return 0;
		}
	}
	else cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: 'else' without a previous 'if'
   15 |         else cout << "No" << endl;
      |         ^~~~
Language: C++

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

int main(){
    string S;
    cin >> S;
    int cnt = 0;
    for(int i = 0; i < S.size(); i++) {
        if(S[i] == 'A' && A[i+1] == 'S') {
            cnt++;
        }
    }
    if(cnt > 0) {
        cout << "Yes" << endl;
    }
    else {
        cout << "No" << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:27: error: 'A' was not declared in this scope
    9 |         if(S[i] == 'A' && A[i+1] == 'S') {
      |                           ^
Language: C++

def resolve():
  s = input()
  if 'AC' in s:
    print('Yes')
  else:
    print('No')
  return

if __name__ == "__main__":
  resolve()


Compiler output:
a.cc:3:6: warning: multi-character character constant [-Wmultichar]
    3 |   if 'AC' in s:
      |      ^~~~
a.cc:4:11: warning: multi-character character constant [-Wmultichar]
    4 |     print('Yes')
      |           ^~~~~
a.cc:6:11: warning: multi-character character constant [-Wmultichar]
    6 |     print('No')
      |           ^~~~
a.cc:1:1: error: 'def' does not name a type
    1 | def resolve():
      | ^~~
Language: C++

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

int main() {
  string s;
  cin >> s;
  bool can = false;
  for (int i = 0; i < s.size(); i++) {
    for (int j = 0; j < s.size(); j++) {
      if (s.at(i) == 'A' && s.at(j) == 'C' && j = i + 1) {
        can = true;
      }
    }
  }
  if (can) {
    cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:44: error: lvalue required as left operand of assignment
   10 |       if (s.at(i) == 'A' && s.at(j) == 'C' && j = i + 1) {
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  char s[6];
  cin >> s;
  for(int i=0;i<5;i++){
    if(s[i]=='A'&&s[i+1]=='C'){
      cout << "Yes";
      return 0;
  }
  cout << "No";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const  ll INF = 1e18;
const  ll MOD = 1e9 + 7;
#define all(v) v.begin(), v.end()
#define repi(i,n,init) for(ll i=init;i<(n);i++)
#define repd(i,n,init) for(ll i=(n);i>=init;i--)
#define repm(i,m) for(auto i=m.begin();i!=m.end();i++)

int main()
{
    string S;
    cin >> S;
    repi(i,N-1,0){
        if(S.at(i) == 'A' && S.at(i+1) == 'C'){
            puts("Yes");
        }
    }
    puts("No");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:12: error: 'N' was not declared in this scope
   15 |     repi(i,N-1,0){
      |            ^
a.cc:7:41: note: in definition of macro 'repi'
    7 | #define repi(i,n,init) for(ll i=init;i<(n);i++)
      |                                         ^
Language: C++

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

int main() {
    string s;
    cin >> s;
    bool flag = false;
    for(int i=0;i<s.size();i++){
        if(s[i+1]=='C'&&s[i]=='A'){
            flag = true;
            break;
    }
    if(flag) cout << "Yes" << endl;
    else cout << "No" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
    int s;
    cin >> s;
    bool flag = false;
    for(int i=0;i<s.size();i++){
        if(s[i+1]=='C'&&s[i]=='A'){
            flag = true;
            break;
    }
    if(flag) cout << "Yes" << endl;
    else cout << "No" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:21: error: request for member 'size' in 's', which is of non-class type 'int'
    8 |     for(int i=0;i<s.size();i++){
      |                     ^~~~
a.cc:9:13: error: invalid types 'int[int]' for array subscript
    9 |         if(s[i+1]=='C'&&s[i]=='A'){
      |             ^
a.cc:9:26: error: invalid types 'int[int]' for array subscript
    9 |         if(s[i+1]=='C'&&s[i]=='A'){
      |                          ^
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,s,n) for(int i = (s); i < (n); i++)
#define all(v) begin(v), end(v)
#define allg(v) begin(v), end(v), greater<int>()



int main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  
  string s;
  cin >> s;
  
  //vector<int> a(n);  rep(i, 0, n) cin >> a.at(i);
  
  cout << ((s.find("AC") == string::npos ?"No" :"Yes") << "\n";
  
  //cout << fixed << setprecision(10) << n << "\n";

}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:56: error: invalid operands of types 'const char*' and 'const char [2]' to binary 'operator<<'
   19 |   cout << ((s.find("AC") == string::npos ?"No" :"Yes") << "\n";
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^~ ~~~~
      |                                          |                |
      |                                          const char*      const char [2]
a.cc:19:63: error: expected ')' before ';' token
   19 |   cout << ((s.find("AC") == string::npos ?"No" :"Yes") << "\n";
      |           ~                                                   ^
      |                                                               )
Language: C++

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

int main() {
	string s;
    cin >> s;
    int r=0;
    for(int i=0;i<s.size()-1;i++){
      if(s.at(i)=='A' && s.at(i+1)=='C'){
        r+;
        break;
      }
    }
    if(r==0){
      cout << "No" << endl;
    }
    else{
      cout << "Yes" << endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: expected primary-expression before ';' token
   10 |         r+;
      |           ^
Language: C++

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

int main() {
	string s;
    cin >> s;
    for(int i=0;i<s.size()-1;i++){
      if(s.at(i)=='A' && s.at(i+1)=='C'){
        cout << "Yes" << endl;
      }
      else{
        cout << "No" << endl;
      }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:2: error: expected '}' at end of input
   14 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <iostream>
#include <string.h>
int main()
{
    char a[5];
    gets(a);
    if(a[0]=='A'&&a[1]=='C'||a[1]=='A'&&a[2]=='C'||a[2]=='A'&&a[3]=='C'||a[3]=='A'&&a[4]=='C')
    cout<<"Yes";
    else
    cout<<"No";
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
    6 |     gets(a);
      |     ^~~~
      |     getw
a.cc:8:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     cout<<"Yes";
      |     ^~~~
      |     std::cout
In file included 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:10:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     cout<<"No";
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iostream>
#include <string.h>
int main()
{
    char a[6];
    gets(a);
    if(strstr(a,"AC")) cout<<"Yes";
    else cout<<"No";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
    6 |     gets(a);
      |     ^~~~
      |     getw
a.cc:7:24: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |     if(strstr(a,"AC")) cout<<"Yes";
      |                        ^~~~
      |                        std::cout
In file included 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:8:10: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |     else cout<<"No";
      |          ^~~~
      |          std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

#include <iostram>
#include <string.h>
int main()
{
    char a[6];
    gets(a);
    if(strstr(a,"AC")) cout<<"Yes";
    else cout<<"No";
}

Compiler output:
a.cc:1:10: fatal error: iostram: No such file or directory
    1 | #include <iostram>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
string a;
int main()
{
    cin>>a;
    for(int i=0;i<a.size()-1;i++)
        if(a[i]=='A'&&a[i+1]=='C')cout<<"Yes\n",i=19260817;
    if(i!=19260817)cout<<"No\n";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: 'i' was not declared in this scope
    9 |     if(i!=19260817)cout<<"No\n";
      |        ^
Language: C++

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

int main()
{
	string a,b="AC";
	cin>>a;
	int x=find(a,b);
	if(x) cout<<"YES";
	else  cout<<"NO";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:19: error: no matching function for call to 'find(std::string&, std::string&)'
    8 |         int x=find(a,b);
      |               ~~~~^~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:3842:5: note: candidate: 'template<class _IIter, class _Tp> _IIter std::find(_IIter, _IIter, const _Tp&)'
 3842 |     find(_InputIterator __first, _InputIterator __last,
      |     ^~~~
/usr/include/c++/14/bits/stl_algo.h:3842:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:86:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:60:1: note: candidate: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, _ForwardIterator> std::find(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
   60 | find(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:60:1: note:   candidate expects 4 arguments, 2 provided
In file included from /usr/include/c++/14/iterator:66,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:54:
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::find(istreambuf_iterator<_CharT, char_traits<_CharT> >, istreambuf_iterator<_CharT, char_traits<_CharT> >, const _CharT2&)'
  435 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note:   candidate expects 3 arguments, 2 provided
Language: C++

#include <bits/stdc++.h>
int main()
{
    char a[6];
    scanf("%s",a);
    if(strstr(a,"AC")) cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
    return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:24: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    6 |     if(strstr(a,"AC")) cout<<"Yes"<<endl;
      |                        ^~~~
      |                        std::cout
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:6:37: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    6 |     if(strstr(a,"AC")) cout<<"Yes"<<endl;
      |                                     ^~~~
      |                                     std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:7:10: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |     else cout<<"No"<<endl;
      |          ^~~~
      |          std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |     else cout<<"No"<<endl;
      |                      ^~~~
      |                      std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main () {
  strring S;
  cin >> S;
  int flag = 0;
  for(int i = 0; i < S.size() - 1; i++){
    if(S.substr(i, 2) == "AC")flag = 1;
  }
  if(flag == 0)cout << "No" << endl;
  else cout << "Yes" << endl;
  return 0;
}

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

#include<bits/stdc++.h>

#define rep(i,n) for(int i = 0; i < (n); i++)
#define ll long long

using namespace std;

int main(){
  string s;cin>>s;
  rep(i, s.size()-1){
    if[s[i]=='A' && s[i+1]=='C'){cout<<"Yes"<<endl;return 0;}
  }
  cout<<"No"<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: expected '(' before '[' token
   11 |     if[s[i]=='A' && s[i+1]=='C'){cout<<"Yes"<<endl;return 0;}
      |       ^
      |       (
Language: C++

#include<bits/stdc++.h>

#define rep(i,n) for(int i = 0; i < (n); i++)
#define ll long long

using namespace std;

int main(){
  string s;cin>>s;
  rep(i, s.size()-1){
    if[s[i]=='A' && s[i+1]=='C'){cout<<"Yes"<<endl;return 0;}
  }
  cout<<"No"<<endl
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:7: error: expected '(' before '[' token
   11 |     if[s[i]=='A' && s[i+1]=='C'){cout<<"Yes"<<endl;return 0;}
      |       ^
      |       (
a.cc:13:19: error: expected ';' before 'return'
   13 |   cout<<"No"<<endl
      |                   ^
      |                   ;
   14 |   return 0;
      |   ~~~~~~
Language: C++

// This file is a "Hello, world!" in C++ language by GCC for wandbox.
  #include <bits/stdc++.h>
  using namespace std;
#include <iostream>
#include <cstdlib>

int main()
{
    string S;
    cin >> S;
    for(int i = 0; S.size() > i; i++){
        if(S.at(i) == 'A' && S.at(i + 1) == 'C') 
        cout << "Yes" << endl;
        return 0;
        }
        }
        
        cout << "No" << endl;
        
        }
    
    
    // GCC reference:
//   https://gcc.gnu.org/

// C++ language references:
//   https://cppreference.com/
//   https://isocpp.org/
//   http://www.open-std.org/jtc1/sc22/wg21/

// Boost libraries references:
//   https://www.boost.org/doc/


Compiler output:
a.cc:18:9: error: 'cout' does not name a type
   18 |         cout << "No" << endl;
      |         ^~~~
a.cc:20:9: error: expected declaration before '}' token
   20 |         }
      |         ^
Language: C++

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

int main(){
  int i,j,cnt=0;
  string s;
  cin>>s;
  for(i=1;i<n;i++){
    if(s[i-1]=='A' && s[i]=='C'){
      cout<<"YES";
      return 0;
    }
  }
  cout<<"NO";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:13: error: 'n' was not declared in this scope
    9 |   for(i=1;i<n;i++){
      |             ^
Language: C++

#include<iostream>
using namespace std;
int main(void){
  string s;
  cin >> s;
  if(s.find("AC") != std::npos){
  cout << "Yes";
  }else{
    cout << "No";
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:27: error: 'npos' is not a member of 'std'; did you mean 'fpos'?
    6 |   if(s.find("AC") != std::npos){
      |                           ^~~~
      |                           fpos
Language: C++

#include<iostream>
main(){
  std;;string s;
  std::cin>>s;
  int n=s.size();
  for(int i=0;i<n-1;++i){
    if(s[i]=='A'&&s[i+1]=='C'){
      puts("Yes");
      return 0;
    }
  }
  puts("No");
}

Compiler output:
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:3:6: error: expected primary-expression before ';' token
    3 |   std;;string s;
      |      ^
a.cc:3:8: error: 'string' was not declared in this scope
    3 |   std;;string s;
      |        ^~~~~~
a.cc:3:8: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:4:13: error: 's' was not declared in this scope
    4 |   std::cin>>s;
      |             ^
Language: C++

#includ<iostream>
main(){
  std::string s;
  std::cin>>s;
  int n=s.size();
  for(int i=0;i<n-1;++i){
    if(s[i]=='A'&&s[i+1]=='C'){
      puts("Yes");
      return 0;
    }
  }
  puts("No");
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #includ; did you mean #include?
    1 | #includ<iostream>
      |  ^~~~~~
      |  include
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:3:8: error: 'string' is not a member of 'std'
    3 |   std::string s;
      |        ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | #includ<iostream>
a.cc:4:8: error: 'cin' is not a member of 'std'
    4 |   std::cin>>s;
      |        ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #includ<iostream>
a.cc:4:13: error: 's' was not declared in this scope
    4 |   std::cin>>s;
      |             ^
a.cc:8:7: error: 'puts' was not declared in this scope
    8 |       puts("Yes");
      |       ^~~~
a.cc:12:3: error: 'puts' was not declared in this scope
   12 |   puts("No");
      |   ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(void)
{
    string s;
    cin >> s;
    int n = s.size();

    for(int i = 0; i < n - 1; i++)
    {
        if(s[i] == 'A' and s[i + 1] == 'C')
        {
            cout << "Yes\n";
            return 0;
        }
    }
    cout << "No\n";
    return 0;
}
#include <bits/stdc++.h>

using namespace std;

int main(void)
{
    string s;
    cin >> s;
    int n = s.size();

    for(int i = 0; i < n - 1; i++)
    {
        if(s[i] == 'A' and s[i + 1] == 'C')
        {
            cout << "Yes\n";
            return 0;
        }
    }
    cout << "No\n";
    return 0;
}


Compiler output:
a.cc:26:5: error: redefinition of 'int main()'
   26 | int main(void)
      |     ^~~~
a.cc:5:5: note: 'int main()' previously defined here
    5 | int main(void)
      |     ^~~~