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

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

#define rep(i, n) for (ll i = 0; i < n; i++)
#define Rep(i, r, n) for (ll i = r; i < n; i++)
#define repr(i, n) for(ll i = n;i >= 0;i--) // from n to 0
#define Repr(i, r, n) for(ll i = n;i >= r;i--) // from n to r
#define pb push_back
#define MOD 1000000007
#define PI (acos(-1))

bool is_prime(ll a) {
  if(a <= 1) return false;
  if(a == 2) return true;
  if(a%2 == 0) return false;
  for(ll i = 3; i*i <= a; i+=2) {
    if(a%i==0) return false;
  }
  return true;
}

ll calc(ll n) {
  return 0.5 * n * (n+1);
}

ll min(ll a, ll b) {
  return a > b ? b : a;
}

int main() {
  string s;
  cin >> s;
  ll ans = 0;
  ll duplicate = 0;
  ll tmp_minus = 0;
  ll cont_count = 0;

  for(ll i = 0; i < s.length()-1 < i++) {
    if(s[i] == s[i+1]) cont_count++;
    else {
      if(cont_count > 0) {
        ans += calc(cont_count+1);
        cont_count = 0;
        // <<>>などの時の重複を考えて、引く準備
        if(s[i] == '<') {
          tmp_minus = cont_count+1;
        } else {
          duplicate -= min(tmp_minus, cont_count+1);
          tmp_minus = 0;
        }
      } else {
        if(s[i] == '<') {
          // ><><　このとき真ん中に入る数字のために+1
          if(i+2 == s.length()-1) ans++;
          else if(s[i+2] == '<') ans++;
        } else {
          tmp_minus = 0;
        }
      }
    }
  }
  if(cont_count+1 == s.length()) {
    cout << calc(cont_count+1) << "\n";
    return 0;
  }

  // 計算してないやつ
  if(cont_count > 0) {
    ans += calc(cont_count+1); 
    duplicate -= min(tmp_minus, cont_count+1);
  }

  // ><>>
  // <>><
  // 以上のような左端、右端に現れる1を足す
  if(s[0] == '>' && s[1] == '<') {
    ans++;
  }
  if(s[s.length()-1] == '<' && s[s.length()-2] == '>') {
    ans++;
  }

  // 最後に0<1<3>2>1>0のような形の重複を引く
  ans += duplicate;
  cout << ans << "\n";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:39: error: expected ';' before ')' token
   39 |   for(ll i = 0; i < s.length()-1 < i++) {
      |                                       ^
      |                                       ;
Language: C++

#include <iostream>
#include <vector>
#include <bitset>
#include <algorithm>
#include <utility>
#include <map>
#include <functional>
#include <initializer_list>
#include <string>
#include <cmath>
#include <iomanip>
#include <queue>
using namespace std;

typedef long int ll;

ll NumCount(ll Count0, ll Count1, string S, ll AC0, ll AC1){
    ll AllCount = 0;
                if(Count0 <= Count1){
                    AllCount += AC1;
                    AllCount += AC0-Count0;
                    }
                else{
                    AllCount += AC1-Count1;
                    AllCount += AC0;
                    }
    return AllCount;

    }
int main(){
    string S;
    cin >> S;
    ll Count0 = 0;
    ll ACount0 = 0;
    ll Count1 = 0;
    ll ACount1 = 0;
    ll AllCount = 0;
    if(S.size()==1){
        cout << 1;
        }
    else{
            if(S[1] == '<'){
                Count0++;
                ACount0 += Count0;
                }
            else{
                Count1++;
                ACount1 += Count1;
                }
    for(ll i=1; i<S.size()-1; i++){
        //cout << "i: " << i<< endl;
            if(S[i-1] == '<' && S[i] == '<'){
                Count0++;
                ACount0 += Count0;
                }
            else if(S[i-1] == '>' && S[i] == '<'){
                    AllCount += NumCount(Count0, Count1, S, ACount0, ACount1);
                    Count0 = 1;
                    ACount0 = Count0;
                    Count1 = 0;
                    ACount1=0;
                }
            else{
                Count1++;
                ACount1 += Count1;
                }
//            cout << AllCount <<endl;
        }
            if(S[S.size()-1] == '>' && S[i] == '<'){
                AllCount += NumCount(Count0, Count1, S, ACount0, ACount1);
                AllCount++;
                }
            else if(S[S.size()-1] == '>'){
                Count1++;
                ACount1+=Count1;
                AllCount += NumCount(Count0, Count1, S, ACount0, ACount1);
                }
            else{
                Count0++;
                ACount0+= Count0;
                AllCount += ACount0;
                }
        cout << AllCount;
    }


}

Compiler output:
a.cc: In function 'int main()':
a.cc:69:42: error: 'i' was not declared in this scope
   69 |             if(S[S.size()-1] == '>' && S[i] == '<'){
      |                                          ^
Language: C++

#include<cstdio>
#include<cstring>
char s[500005];
int a[500005];
int main(){
	int count,i,len,sum;
	scanf("%s",s);
	len = strlen(s);
	memset(a,0,sizeof(a));
	sum = 0;
	count = 1;
	if(s[0] == '<') a[1] = 1;
	else a[1] = 0;
	for(i = 1;i < len;i++)
	{
		if(s[i] != s[i - 1])
		{
			int d = count * (count + 1) / 2;
			if(s[i] == '<') 
			{
				a[i] = count;
				sum += d
				
			}
			if(s[i] == '>')
			{
				a[i] = 0; 
				if(a[i - count] > count) sum = sum + d - count;
				else sum = sum + d - a[i - count];
			}
			count = 0;
		}
		count++;
	}
	if(i - count - 1 >= 0)
	{
		if(s[i - count - 1] == '<')
		{
			if(a[i - count] > count) sum = sum + (count + 1) * count / 2 - count;
			else sum = sum + (count + 1) * count / 2 - a[i - count]; 
		}
		else sum = sum + (count + 1) * count / 2;
	}
	else sum = 1;
	printf("%d\n",sum);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:41: error: expected ';' before '}' token
   22 |                                 sum += d
      |                                         ^
      |                                         ;
   23 | 
   24 |                         }
      |                         ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
long long siguma(int n){
  return (long long)(n*(n+1)/2);
}
 
int main(){
  int memo=-1,memol=0;
  long long ans=0;
  string x;
  cin >>x;
  rep(i,x.size()){
    else if(x[i]=='<'){
      if(memol>0)ans+=siguma(memol);
      memol=0;
      memo++;
    }
    else if(x[i]=='>'){
      if(memo>0)ans+=siguma(memo);
      memo=-1;
      memol++;
    }
  }
  ans+=max(siguma(memo+1),siguma(memol));
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'else' without a previous 'if'
   14 |     else if(x[i]=='<'){
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
#include <unistd.h>
#include <random>

using namespace std;
typedef long long int LL;
typedef long long int LLint;
typedef pair<int,int> intpair;
typedef pair<bool,bool> boolpair;
typedef pair<string,string> strpair;
typedef pair<LL,LL> LLpair;
typedef pair<double,double> doublepair;
typedef pair<float,float> floatpair;
typedef vector<int> intvector;
typedef vector<bool> boolvector;
typedef vector<string> strvector;
typedef vector<LL> LLvector;
typedef vector<double> doublevector;
typedef vector<float> floatvector;
#define wait(sec) usleep((sec) * 1000000)
#define ED return 0;
#define TEST cout << "OK" << endl;
#define UP(a,b) ((a+(b-1))/b)
#define SORT(vec) sort(vec.begin(),vec.end());
#define DOUBLECHANGE(count) cout << setprecision(count);
#define REV(vec) reverse(vec.begin(),vec.end());
#define ipow(x,y) LL(pow(x,y))
#define INF 999999999
#define PI 3.14159265358979323846
const long long mod = 1000000007;

int main(){
    //    random_device rnd;
    //    mt19937 mt(rnd());
    cin.tie(0);
    ios::sync_with_stdio(false);
    string S;
    cin >> S;
    LL now = 0;
    LL ans = 0;
    LL bigcount = 0;
    for(LL i = 0;i < S.size();i++){
        if(S[i] == '>'){
            bigcount++;
 //           cout << ans << " in " << i << " and now = " << now << endl;
            continue;
        }
        else{
            if(bigcount > 0){
                ans += (bigcount * (bigcount + 1))/2 + ((now > bigcount) ? now-bigcount : 0);
//                cout << "ans += " << (bigcount * (bigcount + 1))/2 + ((now > bigcount) ? now-bigcount : 0) << endl;
                now = 0;
                bigcount = 0;

//                cout << ans << " in " << i << " and now = " << now << endl;
            }
            if(i == S.size()-1 || S[i+1] == '<'){
                now++;
                ans += now;
//                cout << ans << " in " << i << " and now = " << now << endl;
            }
            else{
                now++;
                cout << ans << " in " << i << " and now = " << now << endl;
//            }
        }
    }
    ans += (bigcount * (bigcount + 1))/2 + ((now > bigcount && bigcount) ? now-bigcount : 0);

    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:71:2: error: expected '}' at end of input
   71 | }
      |  ^
a.cc:32:11: note: to match this '{'
   32 | int main(){
      |           ^
Language: C++

#include <iostream>
#include <string>
#include <tuple>
#include <vector>

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);

    std::string inp;
    std::cin >> inp;
    size_t N = inp.size() - 1;

    std::vector<std::tuple<unsigned int, unsigned int> > from_left = {};
    std::vector<std::tuple<unsigned int, unsigned int> > from_right = {};
    unsigned int less_row = 0;
    unsigned int more_row = 0;
    for (size_t i = 0; i < inp.size(); i++) {
        if (inp.at(i) == '<') {
            less_row++;
        } else {
            if (less_row) {
                from_left.push_back(std::make_tuple(
                        less_row, less_row * (less_row + 1) / 2
                ));
            }
            less_row = 0;
        }

        if (inp.at(N - i) == '>') {
            more_row++;
        } else {
            if (more_row) {
                from_right.insert(
                        from_right.begin(),
                        std::make_tuple(more_row, more_row * (more_row + 1) / 2
                        ));
            }
            more_row = 0;
        }
    }

    if (less_row) {
        from_left.push_back(std::make_tuple(
                less_row, less_row * (less_row + 1) / 2
        ));
    }
    if (more_row) {
        from_right.insert(
                from_right.begin(),
                std::make_tuple(more_row, more_row * (more_row + 1) / 2
                ));
    }

    unsigned int ans = 0;
    if (inp.at(inp.size() - 1) == '<') {
        ans += std::get<1>(from_left[from_left.size() - 1]);
        from_left.pop_back();
    }
    if (inp.at(0) == '>') {
        ans += std::get<1>(from_right[0]);
        from_right.erase(from_right.begin());
    }

    unsigned int last, tri, r_last, r_tri;
    for (size_t i = 0; i < from_left.size(); i++) {
        std::tie(last, tri) = from_left[i];
        std::tie(r_last, r_tri) = from_right[i];
        ans += tri + r_tri - __min(last, r_last);
    }

    std::cout << ans;

    std::cout << std::endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:69:30: error: '__min' was not declared in this scope
   69 |         ans += tri + r_tri - __min(last, r_last);
      |                              ^~~~~
Language: C++

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

//template
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(a);i>(b);i--)
#define ALL(v) (v).begin(),(v).end()
typedef long long int ll; typedef pair<ll, ll> P;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<typename A,size_t N,typename T>void Fill(A(&array)[N],const T &val){fill((T*)array, (T*)(array+N), val);}
const int inf = 0x3fffffff; const ll INF = 0x3fffffffffffffff;
//template end

int a[500010]={};

int main(){
    string s; cin>>s; int n=s.size();
    rrep(i,n-1,-1){
        if(s[i]=='>')a[i]=a[i+1]+1; else a[i]=0;
    }
    ll ans=a[0],add=0; bool pre=0;
    rep(i,0,n){
        if(s[i]=='<'){
            add++; chmax(add,a[i+1]);pre=1;
        }
        else{
            add--; chmin(add,a[i]-1);
            pre=0;
        } 
        ans+=add;
        cerr<<add<<endl;
    }
    printf("%lld\n",ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:25: error: no matching function for call to 'chmax(ll&, int&)'
   26 |             add++; chmax(add,a[i+1]);pre=1;
      |                    ~~~~~^~~~~~~~~~~~
a.cc:10:31: note: candidate: 'template<class T> bool chmax(T&, T)'
   10 | template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
      |                               ^~~~~
a.cc:10:31: note:   template argument deduction/substitution failed:
a.cc:26:25: note:   deduced conflicting types for parameter 'T' ('long long int' and 'int')
   26 |             add++; chmax(add,a[i+1]);pre=1;
      |                    ~~~~~^~~~~~~~~~~~
a.cc:29:25: error: no matching function for call to 'chmin(ll&, int)'
   29 |             add--; chmin(add,a[i]-1);
      |                    ~~~~~^~~~~~~~~~~~
a.cc:11:31: note: candidate: 'template<class T> bool chmin(T&, T)'
   11 | template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
      |                               ^~~~~
a.cc:11:31: note:   template argument deduction/substitution failed:
a.cc:29:25: note:   deduced conflicting types for parameter 'T' ('long long int' and 'int')
   29 |             add--; chmin(add,a[i]-1);
      |                    ~~~~~^~~~~~~~~~~~
Language: C++

using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
long long siguma(int n){
  return (long long)(n*(n+1)/2);
}

int main(){
  int memo=-1,memol=0;
  long long ans=0;
  string x;
  cin >>x;
  rep(i,x.size()){
    if(i==x.size()-1){memo++;memol++;ans+=max(siguma(memo),siguma(memol));}
    else if(x[i]=='<'){
      if(memol>0)ans+=siguma(memol);
      memol=0;
      memo++;
    }
    else if(x[i]=='>'){
      if(memo>0)ans+=siguma(memo);
      memo=-1;
      memol++;
    }
  }
  cout<<ans<<endl;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: 'string' was not declared in this scope
   10 |   string x;
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | using namespace std;
a.cc:11:3: error: 'cin' was not declared in this scope
   11 |   cin >>x;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:11:9: error: 'x' was not declared in this scope
   11 |   cin >>x;
      |         ^
a.cc:13:43: error: 'max' was not declared in this scope
   13 |     if(i==x.size()-1){memo++;memol++;ans+=max(siguma(memo),siguma(memol));}
      |                                           ^~~
a.cc:25:3: error: 'cout' was not declared in this scope
   25 |   cout<<ans<<endl;
      |   ^~~~
a.cc:25:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:25:14: error: 'endl' was not declared in this scope
   25 |   cout<<ans<<endl;
      |              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

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

int main()
{
long long length=0,sum=0;
vector<char> S(555555,'-');
vector<long long> num(555556,0);
rep(i,555555){cin >> S.at(i);}
if(S.at(0)=='<'&&S.at(1)=='<')
{num.at(0)=0;num.at(1)=1;num.at(2)=2;}
if(S.at(0)=='<'&&S.at(1)=='>')
{num.at(0)=0;num.at(1)=1;num.at(2)=0;}
if(S.at(0)=='>'&&S.at(1)=='<')
{num.at(0)=1;num.at(1)=0;num.at(2)=1;}
if(S.at(0)=='>'&&S.at(1)=='>')
{num.at(0)=2;num.at(1)=1;num.at(2)=0;}
rep(i,555555){if(S.at(i)=='-')length=i+1;break;}
  
rep(i,length)
{if(i>2)
  {
if(S.at(i)=='<'&&S.at(i+1)=='<')
{num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i+1)+1;}
if(S.at(i)=='<'&&S.at(i+1)=='>')
{num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i)-1;}
if(S.at(i)=='>'&&S.at(i+1)=='<')
{num.at(i)=1;num.at(i+1)=0;num.at(i+2)=1;}
if(S.at(i)=='>'&&S.at(i+1)=='>')
{num.at(i+1)=num.at(i+2)-1;num.at(i)=num.at(i+1)-1;}
}
rep(i,length+1){sum+=num.at(i);}
cout << sum << endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:2: error: expected '}' at end of input
   36 | }
      |  ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C++

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

int main() {
  string S;
  cin>>S;
  int N=S.size()+1;
  vector<int>A(N);
  for(int i=0;i<N;i++) A[i]=0;
  if(S[0]=='<'){
    int nogi;
    int con=1;
    for(int i=0;i<N-1;i+=nogi){
      nogi=1;
      if(i==N-2){
        if(S[i]=='<'){
          A[i]=1;
        }
      }
      else{
      for(int j=i+1;j<N-1;j++){
        if(S[i]==S[j]){
          nogi++;
          if(j==N-2){
            nogi*=con;
            con*=-1;
            A[i]=nogi;
            nogi=abs(nogi);
            break;
          }
        }
        else{
          nogi*=con;
          con*=-1;
          A[i]=nogi;
          nogi=abs(nogi);
          break;
        }
      }
      }
    }
    long long renka;
    long long ans=0;
   for(int k=0;k<N;k++){
     if(A[k]>0){
       ans+=A[k]*(A[k]+1)/2;
       renka=A[k];
     }
     else if(A[k]<0){
       long long n=abs(A[k]);
       ans+=n*(n-1)/2;
       if(n-renka>0) ans+=n-renka;
     }
   }
   cout<<ans<<endl;
  }
  else{
    int nogi;
    int con=-1;
    for(int i=0;i<N-1;i+=nogi){
      nogi=1;
      if(i==N-2){
        if(S[i]=='<'){
          A[i]=1;
        }
      }
      else{
      for(int j=i+1;j<N-1;j++){
        if(S[i]==S[j]){
          nogi++;
          if(j==N-2){
            nogi*=con;
            con*=-1;
            A[i]=nogi;
            nogi=abs(nogi);
            break;
          }
        }
        else{
          nogi*=con;
          con*=-1;
          A[i]=nogi;
          nogi=abs(nogi);
          break;
        }
      }
      }
    }
    long lonng renka;
    long long ans=0;
    long long nibu=abs(A[0]);
    ans+=nibu*(nibu+1)/2;
   for(int k=1;k<N;k++){
     if(A[k]>0){
       ans+=A[k]*(A[k]+1)/2;
       renka=A[k];
     }
     else if(A[k]<0){
       long long n=abs(A[k]);
       ans+=n*(n-1)/2;
       if(n-renka>0) ans+=n-renka;
     }
   }
   cout<<ans<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:89:16: error: expected initializer before 'renka'
   89 |     long lonng renka;
      |                ^~~~~
a.cc:96:8: error: 'renka' was not declared in this scope
   96 |        renka=A[k];
      |        ^~~~~
a.cc:101:13: error: 'renka' was not declared in this scope
  101 |        if(n-renka>0) ans+=n-renka;
      |             ^~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    ll cur, sum = 0, pos;
    char x;
    string s;
    cin >> s;
    vector <ll> v(s.size() + 1);
    v.push_back(0);
    for(int i = 0; i < s.size(); i++) {
        x = s[i];
        if(x == '<') {
            pos i;
            v[i + 1] = v[i] + 1;
            sum += v[i+1];
        }
        else {

            v[i + 1] = 0;
            if(v[i] == 0) {
                
                
                
                v[i]++;
                sum++;
                for(ll j = i; j >= 1; j--) {
                    if(s[j-1] == '>') {
                        if(v[j] >= v[j - 1]) {
                            v[j-1]++;
                            sum++;
                        }
                        else {
                            break;
                        }
                    }
                    else {
                        break;
                    }
                }

            }

            sum += v[i + 1];
        }
    }

    /*for(ll i = 0; i < v.size(); i++) {
        sum += v[i];
    }*/

    cout << sum;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:16: error: expected ';' before 'i'
   20 |             pos i;
      |                ^~
      |                ;
Language: C++

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

long long main()
{
long long length=0,sum=0;
vector<char> S(555555,'-');
vector<long long> num(555556,0);
rep(i,555555){cin >> S.at(i);}
if(S.at(0)=='<'&&S.at(1)=='<')
{num.at(0)=0;num.at(1)=1;num.at(2)=2;}
if(S.at(0)=='<'&&S.at(1)=='>')
{num.at(0)=0;num.at(1)=1;num.at(2)=0;}
if(S.at(0)=='>'&&S.at(1)=='<')
{num.at(0)=1;num.at(1)=0;num.at(2)=1;}
if(S.at(0)=='>'&&S.at(1)=='>')
{num.at(0)=2;num.at(1)=1;num.at(2)=0;}
rep(i,555555){if(S.at(i)=='-')length=i+1;break;}
if(i>2)
{
rep(i,length){
if(S.at(i)=='<'&&S.at(i+1)=='<')
{num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i+1)+1;}
if(S.at(i)=='<'&&S.at(i+1)=='>')
{num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i)-1;}
if(S.at(i)=='>'&&S.at(i+1)=='<')
{num.at(i)=1;num.at(i+1)=0;num.at(i+2)=1;}
if(S.at(i)=='>'&&S.at(i+1)=='>')
{num.at(i+1)=num.at(i+2)-1;num.at(i)=num.at(i+1)-1;}
}
rep(i,length+1){sum+=num.at(i);}
cout << sum << endl;
return 0;
}

Compiler output:
cc1plus: error: '::main' must return 'int'
a.cc: In function 'int main()':
a.cc:20:4: error: 'i' was not declared in this scope
   20 | if(i>2)
      |    ^
a.cc:35:2: error: expected '}' at end of input
   35 | }
      |  ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C++

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


int main(){
    string str;
    cin>>str;
    
    int i=0;//各要素の値
    int k=0;//総和
    int count=0;
    int size=str.size();
    vector<int> f(1+size);
    f.at(0)=0;
    string g = "<";
    
    for(int j=0;j<str.size();j++){
        string t= str.at(j);
        

        if(t==g){
            i++;
            f.at(j+1)=i;
            k+=i;

        }
        else{
            i--;
            f.at(j+1)=i;
            k+=i;
            
        }
    }
    sort(f.begin(),f.end());

    cout<<(1+size)*(-f.at(0))+k;


}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:25: error: conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   18 |         string t= str.at(j);
      |                   ~~~~~~^~~
Language: C++

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

int main()
{
long long length=0,sum=0;
vector<char> S(555555,'-');
vector<long long> num(555556,0);
rep(i,555555){cin >> S.at(i);}
if(S.at(0)=='<'&&S.at(1)=='<')
{num.at(0)=0;num.at(1)=1;num.at(2)=2}
if(S.at(0)=='<'&&S.at(1)=='>')
{num.at(0)=0;num.at(1)=1;num.at(2)=0}
if(S.at(0)=='>'&&S.at(1)=='<')
{num.at(0)=1;num.at(1)=0;num.at(2)=1}
if(S.at(0)=='>'&&S.at(1)=='>')
{num.at(0)=2;num.at(1)=1;num.at(2)=0}
rep(i,555555){if(S.at(i)=='-')length=i+1;break;}
if(i>2)
{
rep(i,length){
if(S.at(i)=='<'&&S.at(i+1)=='<')
{num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i+1)+1}
if(S.at(i)=='<'&&S.at(i+1)=='>')
{num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i)-1}
if(S.at(i)=='>'&&S.at(i+1)=='<')
{num.at(i)=1;num.at(i+1)=0;num.at(i+2)=1}
if(S.at(i)=='>'&&S.at(i+1)=='>')
{num.at(i+1)=num.at(i+2)-1;num.at(i)=num.at(i+1)-1}
}
rep(i,length+1){sum+=num.at(i);}
cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:37: error: expected ';' before '}' token
   12 | {num.at(0)=0;num.at(1)=1;num.at(2)=2}
      |                                     ^
      |                                     ;
a.cc:14:37: error: expected ';' before '}' token
   14 | {num.at(0)=0;num.at(1)=1;num.at(2)=0}
      |                                     ^
      |                                     ;
a.cc:16:37: error: expected ';' before '}' token
   16 | {num.at(0)=1;num.at(1)=0;num.at(2)=1}
      |                                     ^
      |                                     ;
a.cc:18:37: error: expected ';' before '}' token
   18 | {num.at(0)=2;num.at(1)=1;num.at(2)=0}
      |                                     ^
      |                                     ;
a.cc:20:4: error: 'i' was not declared in this scope
   20 | if(i>2)
      |    ^
a.cc:24:75: error: expected ';' before '}' token
   24 | {num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i+1)+1}
      |                                                                           ^
      |                                                                           ;
a.cc:26:73: error: expected ';' before '}' token
   26 | {num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i)-1}
      |                                                                         ^
      |                                                                         ;
a.cc:28:41: error: expected ';' before '}' token
   28 | {num.at(i)=1;num.at(i+1)=0;num.at(i+2)=1}
      |                                         ^
      |                                         ;
a.cc:30:51: error: expected ';' before '}' token
   30 | {num.at(i+1)=num.at(i+2)-1;num.at(i)=num.at(i+1)-1}
      |                                                   ^
      |                                                   ;
a.cc:34:2: error: expected '}' at end of input
   34 | }
      |  ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C++

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

int main()
{
long long length=0,sum=0;
vector<char> S(555555,'-')
vector<long long> num(555556,0);
rep(i,555555){cin >> S.at(i);}
if(S.at(0)=='<'&&S.at(1)=='<')
{num.at(0)=0;num.at(1)=1;num.at(2)=2}
if(S.at(0)=='<'&&S.at(1)=='>')
{num.at(0)=0;num.at(1)=1;num.at(2)=0}
if(S.at(0)=='>'&&S.at(1)=='<')
{num.at(0)=1;num.at(1)=0;num.at(2)=1}
if(S.at(0)=='>'&&S.at(1)=='>')
{num.at(0)=2;num.at(1)=1;num.at(2)=0}
rep(i,555555){if(S.at(i)=='-')length=i+1;break;}
if(i>2){
rep(i,length){
if(S.at(i)=='<'&&S.at(i+1)=='<')
{num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i+1)+1}
if(S.at(i)=='<'&&S.at(i+1)=='>')
{num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i)-1}
if(S.at(i)=='>'&&S.at(i+1)=='<')
{num.at(i)=1;num.at(i+1)=0;num.at(i+2)=1}
if(S.at(i)=='>'&&S.at(i+1)=='>')
{num.at(i+1)=num.at(i+2)-1;num.at(i)=num.at(i+1)-1}
}
rep(i,length+1){sum+=figure.at(i);}
cout << num(S) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:1: error: expected ',' or ';' before 'vector'
    9 | vector<long long> num(555556,0);
      | ^~~~~~
a.cc:12:2: error: 'num' was not declared in this scope; did you mean 'sum'?
   12 | {num.at(0)=0;num.at(1)=1;num.at(2)=2}
      |  ^~~
      |  sum
a.cc:14:2: error: 'num' was not declared in this scope; did you mean 'sum'?
   14 | {num.at(0)=0;num.at(1)=1;num.at(2)=0}
      |  ^~~
      |  sum
a.cc:16:2: error: 'num' was not declared in this scope; did you mean 'sum'?
   16 | {num.at(0)=1;num.at(1)=0;num.at(2)=1}
      |  ^~~
      |  sum
a.cc:18:2: error: 'num' was not declared in this scope; did you mean 'sum'?
   18 | {num.at(0)=2;num.at(1)=1;num.at(2)=0}
      |  ^~~
      |  sum
a.cc:20:4: error: 'i' was not declared in this scope
   20 | if(i>2){
      |    ^
a.cc:23:2: error: 'num' was not declared in this scope; did you mean 'sum'?
   23 | {num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i+1)+1}
      |  ^~~
      |  sum
a.cc:25:2: error: 'num' was not declared in this scope; did you mean 'sum'?
   25 | {num.at(i)=num.at(i-1)+1;num.at(i+1)=num.at(i)+1;num.at(i+2)=num.at(i)-1}
      |  ^~~
      |  sum
a.cc:27:2: error: 'num' was not declared in this scope; did you mean 'sum'?
   27 | {num.at(i)=1;num.at(i+1)=0;num.at(i+2)=1}
      |  ^~~
      |  sum
a.cc:29:2: error: 'num' was not declared in this scope; did you mean 'sum'?
   29 | {num.at(i+1)=num.at(i+2)-1;num.at(i)=num.at(i+1)-1}
      |  ^~~
      |  sum
a.cc:31:22: error: 'figure' was not declared in this scope
   31 | rep(i,length+1){sum+=figure.at(i);}
      |                      ^~~~~~
a.cc:32:9: error: 'num' was not declared in this scope; did you mean 'sum'?
   32 | cout << num(S) << endl;
      |         ^~~
      |         sum
a.cc:33:2: error: expected '}' at end of input
   33 | }
      |  ^
a.cc:6:1: note: to match this '{'
    6 | {
      | ^
Language: C++

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


int main(){
    string str;
    cin>>str;
    
    int i=0;//各要素の値
    int k=0;//総和
    int count=0;
    int size=str.size();
    vector<int> f(1+size);
    f.at(0)=0;
    
    for(int j=0;j<str.size();j++){
        if(str.at(j)=="<"){
            i++;
            f(j+1)=i;
            k+=i;

        }
        else{
            i--;
            f.at(j+1)=i;
            k+=i;
            
        }
    }
    sort(f.begin(),f.end());

    cout<<(1+size)*(-f.at(0))+k;


}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 |         if(str.at(j)=="<"){
      |            ~~~~~~~~~^~~~~
a.cc:19:14: error: no match for call to '(std::vector<int>) (int)'
   19 |             f(j+1)=i;
      |             ~^~~~~
Language: C++

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


int main(){
    string str;
    cin>>str;
    
    int i=0;//各要素の値
    int k=0;//総和
    
    int size=str.size();
    vector<int> f(1+size);
    f(0)=0;
    
    for(int j=0;j<str.size();j++){
        if(str.at(j)=="<"){
            i++;
            f(j+1)=i;
            k+=i;

        }
        else{
            i--;
            f(j+1)=i;
            k+=i;
            
        }
    }
    sort(f.begin(),f.end());

    cout<<(1+size)*(-f(0))+k;


}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:6: error: no match for call to '(std::vector<int>) (int)'
   14 |     f(0)=0;
      |     ~^~~
a.cc:17:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 |         if(str.at(j)=="<"){
      |            ~~~~~~~~~^~~~~
a.cc:19:14: error: no match for call to '(std::vector<int>) (int)'
   19 |             f(j+1)=i;
      |             ~^~~~~
a.cc:25:14: error: no match for call to '(std::vector<int>) (int)'
   25 |             f(j+1)=i;
      |             ~^~~~~
a.cc:32:23: error: no match for call to '(std::vector<int>) (int)'
   32 |     cout<<(1+size)*(-f(0))+k;
      |                      ~^~~
Language: C++

int main() {
  char n[MAX_N];
  cin >> n;
  int l = strlen(n);
  int box[l+10] = { };
  int j = 0;
  char c = n[0];
  int k = 0;
  for (int i = 0; i < l; i++) {
    if (n[i] != c) {
      cout << c << k << endl;
      box[j++] = k;
      k = 0;
      c = n[i];
    }
    k++;
  }
    box[j++] = k;
  int sum = 0;
  if (n[0] == '<') {
    for (int m = 0; m < j;) {
      int a = box[m++];
      int b = box[m++];
      if (a > b) {
        sum += (a * (a + 1)) / 2;
        sum += ((b - 1) * b) / 2;
      } else {
        sum += ((a - 1) * a) / 2;
        sum += (b * (b + 1)) / 2;
      }
    }
  }else{
    sum += (box[0] * (box[0] + 1)) / 2;
    for (int m = 1; m < j;) {
      int a = box[m++];
      int b = box[m++];
      if (a > b) {
        sum += (a * (a + 1)) / 2;
        sum += ((b - 1) * b) / 2;
      } else {
        sum += ((a - 1) * a) / 2;
        sum += (b * (b + 1)) / 2;
      }
    }
  }
  cout << sum << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:2:10: error: 'MAX_N' was not declared in this scope
    2 |   char n[MAX_N];
      |          ^~~~~
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >> n;
      |   ^~~
a.cc:3:10: error: 'n' was not declared in this scope
    3 |   cin >> n;
      |          ^
a.cc:4:11: error: 'strlen' was not declared in this scope
    4 |   int l = strlen(n);
      |           ^~~~~~
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:11:7: error: 'cout' was not declared in this scope
   11 |       cout << c << k << endl;
      |       ^~~~
a.cc:11:25: error: 'endl' was not declared in this scope
   11 |       cout << c << k << endl;
      |                         ^~~~
a.cc:46:3: error: 'cout' was not declared in this scope
   46 |   cout << sum << endl;
      |   ^~~~
a.cc:46:18: error: 'endl' was not declared in this scope
   46 |   cout << sum << endl;
      |                  ^~~~
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for (ll i = 0; i < (ll)n; i++)
#define all(x) (x).begin(),(x).end()
typedef long long ll ll;
using namespace std;
ll part(ll n, ll m)
{
  ll l = max(n, m);
  ll s = min(n, m);
  return l*(l + 1)/2 + s*(s - 1)/2;
}
ll main()
{
  string a;
  cin >> a;
  ll n = a.size();
  vector<ll > num(0,0);

  // cout << n << endl;		
  REP(i, n){
    ll tmp = 1;
    char c = a[i];
    // cout << "i1 = " << i <<endl;
    while(a[i + 1] == c){
      tmp ++;
      i ++;
    }
    // cout << "i2 = " << i <<"tmp = "<<tmp << endl;
    num.push_back(tmp);
  }
  ll nsize = num.size();
  // cout << "nsize = " << nsize << endl;
  // REP(i, nsize){
  //   cout << num[i] << endl;
  // }
  // cout << "check end "<< endl;
  ////////////////////
  if(nsize == 1){
    cout << n*(n + 1)/2 << endl;
    return 0;
  }
  ////////////////////
  ll ans = 0;
  if(a[0] == '<'){
    // cout << "begin with <" << endl;
    REP(i, nsize/2){
      // cout << num[2*i] << " " << num[2*i + 1] <<" " << part(num[2*i], num[2*i + 1])<< endl;
      ans += part(num[2*i], num[2*i + 1]);
    }
    if(nsize%2 != 0){
      // cout << "a[-1](<) = "<< a[n -1]<< "num[-1] = "<< num[nsize - 1] << endl;
      ans += part(num[nsize - 1], 0);
    }
  }else if(a[0] == '>'){
    // cout << "begin with >" << endl;
    ans += part(num[0],0);
    REP(i, nsize/2){
      cout << 2*i + 1 << " " << 2*i + 2 << endl;
      ans += part(num[2*i + 1], num[2*i + 2]);
    }
    if(nsize%2 == 0){
      // cout << "a[-1](>) = "<< a[n -1]<< "num[-1] = "<< num[nsize - 1] << endl;
      ans += part(num[nsize - 1], 0);
    }
  }
  cout << ans << endl;
}



Compiler output:
a.cc:4:22: error: expected initializer before 'll'
    4 | typedef long long ll ll;
      |                      ^~
a.cc:6:1: error: 'll' does not name a type; did you mean 'all'?
    6 | ll part(ll n, ll m)
      | ^~
      | all
a.cc:12:1: error: 'll' does not name a type; did you mean 'all'?
   12 | ll main()
      | ^~
      | all
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string S;
  cin >> S;
  int sum = 0;

  for(int i=0; i<S.size(); i++){
    int a = 0;
    char x, y;
    x = S.at(i-1);
    y = S.at(i);
    if( x != "<" && y == "<" ){
      a = 0;
    }
    else if( x == "<" && y== "<" || x == ">" && y == ">" ){
      a += 1;
      sum += a;
    }
  }
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     if( x != "<" && y == "<" ){
      |         ~~^~~~~~
a.cc:13:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     if( x != "<" && y == "<" ){
      |                     ~~^~~~~~
a.cc:16:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   16 |     else if( x == "<" && y== "<" || x == ">" && y == ">" ){
      |              ~~^~~~~~
a.cc:16:27: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   16 |     else if( x == "<" && y== "<" || x == ">" && y == ">" ){
      |                          ~^~~~~~
a.cc:16:39: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   16 |     else if( x == "<" && y== "<" || x == ">" && y == ">" ){
      |                                     ~~^~~~~~
a.cc:16:51: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   16 |     else if( x == "<" && y== "<" || x == ">" && y == ">" ){
      |                                                 ~~^~~~~~
Language: C++

for(i=0;i<n;i++){
      if(s[i] == '<'){
        if(a[i] >= a[i+1]){
          a[i+1] = a[i]+1;
          chk = 0;
        }
      }else{
        if(a[i] <= a[i+1]){
          a[i] = a[i+1]+1;
          chk = 0;
        }
      }
    }

Compiler output:
a.cc:1:1: error: expected unqualified-id before 'for'
    1 | for(i=0;i<n;i++){
      | ^~~
a.cc:1:9: error: 'i' does not name a type
    1 | for(i=0;i<n;i++){
      |         ^
a.cc:1:13: error: 'i' does not name a type
    1 | for(i=0;i<n;i++){
      |             ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string S;
  cin >> S;
  int sum = 0;
  
  for(int i=0; i<S.size(); i++){
    int a = 0;
    if( S.at(i-1) != "<" && S.at(i) == "<" ){
      a = 0;
    }
    else if( S.at(i-1) == "<" && S.at(i) == "<" || S.at(i-1) == ">" && S.at(i) == ">" ){
      a += 1;
      sum += a;
    }
  }
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:19: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |     if( S.at(i-1) != "<" && S.at(i) == "<" ){
      |         ~~~~~~~~~~^~~~~~
a.cc:10:37: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |     if( S.at(i-1) != "<" && S.at(i) == "<" ){
      |                             ~~~~~~~~^~~~~~
a.cc:13:24: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     else if( S.at(i-1) == "<" && S.at(i) == "<" || S.at(i-1) == ">" && S.at(i) == ">" ){
      |              ~~~~~~~~~~^~~~~~
a.cc:13:42: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     else if( S.at(i-1) == "<" && S.at(i) == "<" || S.at(i-1) == ">" && S.at(i) == ">" ){
      |                                  ~~~~~~~~^~~~~~
a.cc:13:62: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     else if( S.at(i-1) == "<" && S.at(i) == "<" || S.at(i-1) == ">" && S.at(i) == ">" ){
      |                                                    ~~~~~~~~~~^~~~~~
a.cc:13:80: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     else if( S.at(i-1) == "<" && S.at(i) == "<" || S.at(i-1) == ">" && S.at(i) == ">" ){
      |                                                                        ~~~~~~~~^~~~~~
Language: C++

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

ll func(ll a){
  ans =0;
  if(a <= 0){
    return ans;
  }
  for(ll i=0;i<a;i++){
    ans += i;
  }
  return ans;
}

int main() {
  stirng s;
  cin >> s;
  ll n = s.size() +1;
  ll ans = 0;
  ll a=0,b=0,c=0,k=0;
  for(ll i=0;i<n;i++){
    if(s.at(i) == '<'){
      a.at(i) = 0;
      c = i;
      a = max(i - b,c-i);
      ans += func(a) + func(min(i - b,c-i)-1);
      k = -1;
    }
    
    
    if(k == -1){
      k = 0;
      for(ll j=i;j<n;j++){
        if(s.at(j) == '>'){
          b = j;
          break;
        }
      }
    } 
  }
  
  cout << ans << endl;
}
          

Compiler output:
a.cc: In function 'll func(ll)':
a.cc:6:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
    6 |   ans =0;
      |   ^~~
      |   abs
a.cc: In function 'int main()':
a.cc:17:3: error: 'stirng' was not declared in this scope
   17 |   stirng s;
      |   ^~~~~~
a.cc:18:10: error: 's' was not declared in this scope
   18 |   cin >> s;
      |          ^
a.cc:24:9: error: request for member 'at' in 'a', which is of non-class type 'll' {aka 'long long int'}
   24 |       a.at(i) = 0;
      |         ^~
Language: C++

#include<bits/stdc++.h>
#define int long long int
using namespace std;
char x[500001];
int i,cnt,mn,tmp,a[500001],n,l,r;
main(){
    gets(x);
    n=strlen(x);
    for(i=0;i<n;i++){
        if(x[i]=='>'){
            tmp--;
            mn=min(mn,tmp);
        }else{
            tmp++;
            mn=min(mn,tmp);
        }
        a[i+1]=tmp;
    }
    mn*=-1;
    for(i=0;i<=n;i++)a[i]+=mn;
    for(i=1;i<n;i++){
        if(x[i-1]=='>'&&x[i]=='<'){
            l=i;
            tmp=a[l];
            while(l==0||x[l-1]=='>'){
                a[l]-=tmp;
                l--;
            }
            r=i+1;
            while(r==n||x[r]=='<'){
                a[r]-=tmp;
                r++;
            }
        }
    }
    if(x[0]=='<'){
        tmp=a[0];
        l=0;
        while(x[l]=='<'){
            a[l]-=tmp;
            l++;
        }
    }
    if(x[n-1]=='>'){
        tmp=a[n];
        r=n;
        while(r==n||x[r]=='<'){
            a[r]-=tmp;
            r--;
        }
    }
    for(i=1;i<n-1;i++){
        if(x[i]=='>'&&x[i-1]=='<'){
            a[i]=min(a[i],max(a[i-1]+1,a[i+1]+1));
        }
    }
    for(i=0;i<=n;i++)cnt+=a[i];
    cout<<cnt;
}


Compiler output:
a.cc:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:7:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
    7 |     gets(x);
      |     ^~~~
      |     getw
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
using namespace std;
typedef long long ll;
int main(){
string s; cin >> s;
int N = s.size();
for(int i = 0; i < N; i++) {
    if(s[i]='<') ++count;
  
    else --count;

}

}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: no pre-increment operator for type
   11 |     if(s[i]='<') ++count;
      |                    ^~~~~
a.cc:13:12: error: no pre-decrement operator for type
   13 |     else --count;
      |            ^~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); i++)
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
using namespace std;
typedef long long ll;
int main();
string s; cin >> s;
int N = s.size();
for(int i = 0; i < N; i++) {
    if(s[i]='<') ++count;
  
    else --count;

}



Compiler output:
a.cc:8:11: error: 'cin' does not name a type
    8 | string s; cin >> s;
      |           ^~~
a.cc:10:1: error: expected unqualified-id before 'for'
   10 | for(int i = 0; i < N; i++) {
      | ^~~
a.cc:10:16: error: 'i' does not name a type
   10 | for(int i = 0; i < N; i++) {
      |                ^
a.cc:10:23: error: 'i' does not name a type
   10 | for(int i = 0; i < N; i++) {
      |                       ^
Language: C++

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

long long int countsum(int x){
  long long int n = 0;
  for(long long int i = 1; i <= x; i++){
    n+=i;
  }
  return n;
}

int main(){
  string s;
  cin >> s;
  long long int ans = 0;
  long long int sum[500000];
  long long int sum_count = 0;
  long long int count = 1;
  long long char back = s[0];
  for(long long int i = 1; i < s.size(); i++){
    if(s[i] == back){
      count++;
    }
    else{
      sum[sum_count] = count;
      sum_count++;
      count = 1;
      back = s[i];
    }
    if(i==s.size()-1){
      sum[sum_count] = count;
      sum_count++;
    }
  }
  if(s[0] == '<'){
    for(long long int i = 0; i < sum_count+2; i+=2){
      ans += countsum(sum[i]);
      ans += countsum(sum[i+1]);
      ans -= min(sum[i], sum[i+1]);
    }
    cout << ans << endl;
  }
  else{
    ans += countsum(sum[0]);
    for(long long int i = 1; i < sum_count+2; i+=2){
      ans += countsum(sum[i]);
      ans += countsum(sum[i+1]);
      ans -= min(sum[i], sum[i+1]);
    }
    cout << ans << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:8: error: 'long long' specified with 'char'
   19 |   long long char back = s[0];
      |        ^~~~
Language: C++

l = input()

n = [0  for i in range(len(l)+1)]
c = 1
i=1
for x in l:
    if x == '<':
        n[i] = c
        c+=1
    else:
        c=1
    i+=1
c=1
i=1
n_=[0 for i in range(len(l)+1)]
for x in reversed(l):
    if x == '>':
        n_[i] = c
        c+=1
    else:
        c=1
    i+=1

n_=list(reversed(n_))

ans = [max(n[i],n_[i]) for i in range(len(l)+1)]
print(sum(ans))


Compiler output:
a.cc:1:1: error: 'l' does not name a type
    1 | l = input()
      | ^
Language: C++

#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
typedef long long ll;
// #include<C:\Users\J\Desktop\AC\athead.h>
#define showa(v) for(int iii = 0; iii < v.size(); iii++){ cout << v[iii] << " ";} cout << endl;
#define show(iiii) cout << iiii << endl; 
#define shows(iiiii) cout << iiiii << " ";
#include<iostream>
#include<string>
#include<vector>
#include<stdio.h>
#include <cmath>
#include <cstdlib>
#include <cassert>
#include <algorithm>
#include <set>
#include <deque>
#include <numeric>
#include<tuple>
#include <utility>
#include <map>
#include<stack>
#include<queue>
using namespace std;

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

    // stack<int> st;
    queue<int> que;
    char f = s[0]; int zure;
    if(f == '<') zure = 0;
    else zure = 1;
    int renzoku = 1;
    for(int i=1; i<s.size(); i++){
        if(f == s[i]){
            renzoku++;
        }
        else{
            que.push(renzoku);
            // cout << renzoku;
            renzoku = 1;
            f = s[i];
        }
    }
    que.push(renzoku);

    long long int ans = 0;
    if(zure = 1){
        long long int c = que.front(); que.pop();
        ans += (0+c-1)*c/2
    }
    while(!que.empty()){
        long long int a = que.front(); que.pop();
        long long int b;
        if(!que.empty()) {b = que.front(); que.pop();}
        else {b = 0;}
        ans += (0+a-1)*a/2 + (0+b-1)*b/2 + max(a,b);
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:53:27: error: expected ';' before '}' token
   53 |         ans += (0+c-1)*c/2
      |                           ^
      |                           ;
   54 |     }
      |     ~
Language: C++

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

 
int main()
{
   string t;
   cin>>t;
  ll  sum=0;
   ll int h=0,h1=0;
   for(int i=0;i<t.size();)
   {

    if(t[i]=='<')
    {  h=0;
     while(t[i]=='<')
     {
        h=h+1;
        i++;
        if(i==t.size())
            break;
     }
    
    if(i==t.size())
 sum=sum+((h+1)*(h))/2;        
        else

     sum=sum+((h-1)*(h))/2;
     
    }

    if(t[i]=='>')
    {   h1=0;
       while(t[i]=='>')
     { 
        h1++;  
        i++;
        if(i==t.size())
            break;
     }
        
     sum=sum+((h1-1)*(h1))/2+max(h,h1);
        
    }

   }

   cout<<sum<<"\n";
   
}

Compiler output:
a.cc: In function 'int main()':
a.cc:3:22: error: two or more data types in declaration of 'h'
    3 | #define ll long long int
      |                      ^~~
a.cc:11:4: note: in expansion of macro 'll'
   11 |    ll int h=0,h1=0;
      |    ^~
a.cc:3:22: error: two or more data types in declaration of 'h1'
    3 | #define ll long long int
      |                      ^~~
a.cc:11:4: note: in expansion of macro 'll'
   11 |    ll int h=0,h1=0;
      |    ^~
a.cc:16:8: error: 'h' was not declared in this scope
   16 |     {  h=0;
      |        ^
a.cc:34:9: error: 'h1' was not declared in this scope; did you mean 'y1'?
   34 |     {   h1=0;
      |         ^~
      |         y1
a.cc:43:34: error: 'h' was not declared in this scope
   43 |      sum=sum+((h1-1)*(h1))/2+max(h,h1);
      |                                  ^