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

#include "maiheader.h"
#include "const.h"
#include "lib.h"
#include "classes.h"
#include "io.h"
#include "algo.h"

//

namespace Solver {

Graph graph;
Table<int> distanceTable, forwardingTable;
vector<Order> orders;

//

inline void _updateDestination(Position& player, int dest) {
  updateDestination(player, dest, forwardingTable, distanceTable);
}

//

void setup() {
  // input
  graph = inputGraph();
  int tmax;
  scanner >> tmax;
  if (tmax != TMAX) {
    cerr << "invalid T_MAX" << endl;
    abort();
  }
  repeat(t, tmax) {
    int n;
    scanner >> n;
    repeat(i, n) {
      int id, dst;
      scanner >> id >> dst;
      --dst;
      orders.emplace_back(t, dst);
    }
  }
  // calculate
  distanceTable.resize(graph.nV);
  forwardingTable.resize(graph.nV);
  buildGraphInformations(distanceTable, forwardingTable, graph);
}

//

void solve() {
  Position player;

  int orderIdx = 0;
  // 未配達のキュー
  vector<Order> orderQueue;
  // 受注している
  vector<Order> received;
  // 行き先
  vector<int> program;

  repeat(time, TMAX) {
    // push_order
    if (orderIdx < orders.size() && orders[orderIdx].orderedTime <= time) {
      orderQueue.push_back(orders[orderIdx++]);
    }

    // 移動が完了したら、programから削除する
    while (!program.empty() && player.vertex() == program.back())
      program.pop_back();

    // HQ
    if (player.vertex() == 0 && !orderQueue.empty() && program.empty()) {
      // 受注
      received.insert(received.end(), all(orderQueue));
      orderQueue.clear();
      // calculate
      set<int> sets;
      for (auto o : received)
        sets.insert(o.destination);
      vector<int> ss(all(sets));
      auto pp = partiallyTSP(distanceTable, ss);
      auto score = _partiallyTSP_eval(distanceTable, pp) / pp.size();  // !?
      // cerr << score << endl;
      if (score < 150) {
        program = pp;
      }
    }

    // 行き先が無い
    if (program.empty()) {
      _updateDestination(player, 0);
    } else {
      auto o = program.back();
      _updateDestination(player, o);
    }

    cout << player.succ() + 1 << endl;
  }
}

}  // namespace Solver

//

int main() {
  using namespace Solver;
  setup();
  solve();

  return 0;
}


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

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

int main() {
		
	// recieve |V| and |E|
	int V, E; 
    cin >> V >> E;
	vector<vector<pair<int, int>>> G(V);
	
	for(int i = 0; i < E; i++) {
		// recieve edges
		int u, v, d;
        cin >> u >> v >> d;
		u--; v--;
		G[u].push_back({v, d});
		G[v].push_back({u, d});
	}
	
	int Tmax;
    cin >> Tmax;
	vector<int> N(Tmax+1);
	// recieve info
	for(int i = 0; i < Tmax; i++) {
		int Nnew;
        cin >> Nnew;
		for(int j = 0; j < Nnew; j++) {
			int new_id, dst;
            cin >> new_id >> dst;
			N[new_id]=dst;
		}
	}

  // insert your code here to get more meaningful output
	// all stay=-1 
	//for(int i = 0; i < Tmax; i++) cout << -1 << endl;
	for(int i=0;i<Tmax;i++){
		int next;
		if(i<Nnew) cout << -1 << endl;
		else{
			cout<<N[i-Nnew]<<endl;
		}
	}
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:22: error: 'Nnew' was not declared in this scope
   39 |                 if(i<Nnew) cout << -1 << endl;
      |                      ^~~~
Language: C++

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

int main() {
		
	// recieve |V| and |E|
	int V, E; 
    cin >> V >> E;
	vector<vector<pair<int, int>>> G(V);
	
	for(int i = 0; i < E; i++) {
		// recieve edges
		int u, v, d;
        cin >> u >> v >> d;
		u--; v--;
		G[u].push_back({v, d});
		G[v].push_back({u, d});
	}
	
	int Tmax;
    cin >> Tmax;
	vector<int> N[Tmax+1];
	// recieve info
	for(int i = 0; i < Tmax; i++) {
		int Nnew;
        cin >> Nnew;
		for(int j = 0; j < Nnew; j++) {
			int new_id, dst;
            cin >> new_id >> dst;
			N[new_id]=dst;
		}
	}

  // insert your code here to get more meaningful output
	// all stay=-1 
	//for(int i = 0; i < Tmax; i++) cout << -1 << endl;
	for(int i=0;i<Tmax;i++){
		int next;
		if(i<Nnew) cout << -1 << endl;
		else{
			cout<<N[i-Nnew]<<endl;
		}
	}
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:35: error: no match for 'operator=' (operand types are 'std::vector<int>' and 'int')
   30 |                         N[new_id]=dst;
      |                                   ^~~
In file included from /usr/include/c++/14/vector:72,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/vector.tcc:210:5: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>]'
  210 |     vector<_Tp, _Alloc>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/vector.tcc:211:42: note:   no known conversion for argument 1 from 'int' to 'const std::vector<int>&'
  211 |     operator=(const vector<_Tp, _Alloc>& __x)
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/14/vector:66:
/usr/include/c++/14/bits/stl_vector.h:766:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = int; _Alloc = std::allocator<int>]'
  766 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:766:26: note:   no known conversion for argument 1 from 'int' to 'std::vector<int>&&'
  766 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |                 ~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_vector.h:788:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = int; _Alloc = std::allocator<int>]'
  788 |       operator=(initializer_list<value_type> __l)
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:788:46: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<int>'
  788 |       operator=(initializer_list<value_type> __l)
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
a.cc:39:22: error: 'Nnew' was not declared in this scope
   39 |                 if(i<Nnew) cout << -1 << endl;
      |                      ^~~~
Language: C++

#include <bits/stdc++.h>
#define _GLIBCXX_DEBUG
using namespace std;
using ll=long long;
using vec=vector<ll>;
using Graph = vector<vector<ll>>;
#define loop(i,n) for(ll i=0;i<n;i++)
#define Loop(i, m, n) for(ll i = m;i < n;i++)
#define pool(i,n) for(ll i=n-1;i>=0;i--)
#define Pool(i, m, n) for(ll i=n-1;i>=m;i--)
#define MAX 99999999999ll
#define MIN -99999999999ll
#define setbit bitset<8>
#define flagcount __builtin_popcount
#define flag(x) (1<<x)
#define flagadd(bit,x) bit|=flag(x)
#define flagpop(bit,x) bit&=~flag(x) 
#define flagon(bit,i) bit&flag(i)
#define flagoff(bit,i) !(bit & (1<<i))
#define all(v) v.begin(),v.end()
#define low2way(v,x) lower_bound(all(v),x)
#define high2way(v,x) upper_bound(all(v),x)
#define count2way(v,x) high2way(v,x)-low2way(v,x)
#define lower(v,x) low2way(v,x)-v.begin() //1番左が0、もし見つから無いならｎを出力
#define higher(v,x) high2way(v,x)-v.begin()-1 //1番左が0、もし見つからないならn-1を出力（注意）
#define putout(x) cout<<x<<endl
#define Gput(a,b) G[a].push_back(b)
int main() {
  putout(1)
 loop(i,9999){
putout(-1);
 }
 
 
 
 
 
 
 
 
 
 
 
 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:19: error: expected ';' before 'for'
    7 | #define loop(i,n) for(ll i=0;i<n;i++)
      |                   ^~~
a.cc:30:2: note: in expansion of macro 'loop'
   30 |  loop(i,9999){
      |  ^~~~
a.cc:30:7: error: 'i' was not declared in this scope
   30 |  loop(i,9999){
      |       ^
a.cc:7:30: note: in definition of macro 'loop'
    7 | #define loop(i,n) for(ll i=0;i<n;i++)
      |                              ^
Language: C++

#include <bits/stdc++.h>
#define _GLIBCXX_DEBUG
using namespace std;
using ll=long long;
using vec=vector<ll>;
using Graph = vector<vector<ll>>;
#define loop(i,n) for(ll i=0;i<n;i++)
#define Loop(i, m, n) for(ll i = m;i < n;i++)
#define pool(i,n) for(ll i=n-1;i>=0;i--)
#define Pool(i, m, n) for(ll i=n-1;i>=m;i--)
#define MAX 99999999999ll
#define MIN -99999999999ll
#define setbit bitset<8>
#define flagcount __builtin_popcount
#define flag(x) (1<<x)
#define flagadd(bit,x) bit|=flag(x)
#define flagpop(bit,x) bit&=~flag(x) 
#define flagon(bit,i) bit&flag(i)
#define flagoff(bit,i) !(bit & (1<<i))
#define all(v) v.begin(),v.end()
#define low2way(v,x) lower_bound(all(v),x)
#define high2way(v,x) upper_bound(all(v),x)
#define count2way(v,x) high2way(v,x)-low2way(v,x)
#define lower(v,x) low2way(v,x)-v.begin() //1番左が0、もし見つから無いならｎを出力
#define higher(v,x) high2way(v,x)-v.begin()-1 //1番左が0、もし見つからないならn-1を出力（注意）
#define putout(x) cout<<x<<endl
#define Gput(a,b) G[a].push_back(b)
int main() {
 loop(i,10000){
putout(-1)(
 }
 
 
 
 
 
 
 
 
 
 
 
 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:2: error: expected primary-expression before '}' token
   31 |  }
      |  ^
Language: C++

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

int main() {
loop(i,10000){
putout(-1)(
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:6: error: 'i' was not declared in this scope
    5 | loop(i,10000){
      |      ^
a.cc:5:1: error: 'loop' was not declared in this scope
    5 | loop(i,10000){
      | ^~~~
Language: C++

#include<iostream>
int main()
{
    cout<<-1;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    4 |     cout<<-1;
      |     ^~~~
      |     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
      |                  ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define pp pair<int,int>
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define ll long long
#define ld long double
#define all(a) (a).begin(),(a).end()
#define mk make_pair
ll mod=1000000007;
ll MOD=998244353;
int inf=1000001000;
ll INF=100000000000000000;


int main() {
    int v,E;
    cin >> v >> E;
    vector<vector<pp>> e(v+1,vector<pp>(0));
    rep(i,E){
        int f,g,h;
        cin >> f >> g >> h;
        e[f].push_back(mk(g,h));
        e[g].push_back(mk(f,h));
    } 
    rep(i,v) {
        int f;
        cin >> f;
    }
    int t;
    cin >> t;
    rep(i,){
        cout << -1 << endl;
        t--;
        if (t==0) return 0;
    }
    queue<int> q;
    q.push(1);
    while(true){
        int f=q.front();
        int u=rand()%e[f].size();
        q.pop();
        q.push(e[f][u].first);
        rep(i,e[f][u].second){
            cout << e[f][u].first << endl;
            t--;
            if (t==0) return 0;
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:38: error: expected primary-expression before ')' token
    4 | #define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
      |                                      ^
a.cc:31:5: note: in expansion of macro 'rep'
   31 |     rep(i,){
      |     ^~~
Language: C

#include<bits/stdc++.h>
#define pii pair<int,int>
#define ll long long
#define cl(x,y) memset(x,y,sizeof(x))
#define ct cerr<<"Time elapsed:"<<1.0*clock()/CLOCKS_PER_SEC<<"s.\n";
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define lson x<<1,l,mid
#define rson x<<1|1,mid+1,r
#define INF 1e18
const int N=1e6+10;
const int mod=1e9+7;
const int inf=0x3f3f3f3f;
const double eps=1e-8;
const double pi=acos(-1);
using namespace std;
char s[N];
int a[N]={0};
int main()
{
	scanf("%s",s+1);	
	int n=strlen(s+1)+1,i;
	for(i=1;i<=n;i++)
		if(s[i-1]=='<')
			a[i]=a[i-1]+1;
	for(i=n;i>=1;i--)
		if(s[i]=='>')
			a[i]=max(a[i+1]+1,a[i]);
	int sum=0;
	for(i=1;i<=n;i++)
		cout<<a[i]<<" ";
	for(i=1;i<=n;i++)
		sum+=a[i];
	printf("%d\n",sum);
	return 0;
}


Compiler output:
main.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
#define pii pair<int,int>
#define ll long long
#define cl(x,y) memset(x,y,sizeof(x))
#define ct cerr<<"Time elapsed:"<<1.0*clock()/CLOCKS_PER_SEC<<"s.\n";
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define lson x<<1,l,mid
#define rson x<<1|1,mid+1,r
#define INF 1e18
const int N=1e6+10;
const int mod=1e9+7;
const int inf=0x3f3f3f3f;
const double eps=1e-8;
const double pi=acos(-1);
using namespace std;
char s[N];
int a[N]={0};
int main()
{
	scanf("%s", s + 1);	
	int n=strlen(s+1)+1,i;
	for(i=1;i<=n;i++)
		if(s[i-1]=='<')
			a[i]=a[i-1]+1;
	for(i=n;i>=1;i--)
		if(s[i]=='>')
			a[i]=max(a[i+1]+1,a[i]);
	int sum=0;
	for(i=1;i<=n;i++)
		cout<<a[i]<<" ";
	for(i=1;i<=n;i++)
		sum+=a[i];
	printf("%d\n", ans);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:24: error: 'ans' was not declared in this scope; did you mean 'abs'?
   37 |         printf("%d\n", ans);
      |                        ^~~
      |                        abs
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <cmath>
#include <map>
#include <iomanip>
#define intt long long

intt func(intt n) {
	intt r = 0;
	while (n > 0) {
		r += n;
		--n;
	}
	return r;
}

int main() {
	std::string s; std::cin >> s;
	intt N = s.size();
	intt ans = 0;
	bool flag = false;
	for (intt i = 0; i < N - 1; ++i) {
		if (s[i] == '<' && s[i + 1] == '>') {
			flag = true;
			intt count1 = 0;
			intt count2 = 0;
			for (intt j = i; j >= 0; --j) {
				if (s[j] == '>')
					break;
				++count1;
			}
			for (intt j = i + 1; j < N; ++j) {
				if (s[j] == '<')
					break;
				++count2;
			}
			if (count1 > count2)
				ans += func(count1) + func(count2 - 1);
			else
				ans += func(count2) + func(count1 - 1);
		}
	}
	intt count3 = 0;
	for (intt i = N - 1; i >= 0; --i) {
		if (s[i] == '>')
			break;
		++count3;
	}

	ans += func(count3);

	if (flag == false) {
		intt ca = 0;
		intt cb = 0;
		for (int i = 0; i < N; ++i) {
			if (s[i] == '<')
				++ca;
			else
				++cb;
		}
		if (ca == 0) {
			ans = func(cb);
		}
		else if (cb == 0) {
			ans = func(ca);
		}
		else if (ca > cb)
			ans = func(ca) + func(cb - 1);
		else
			ans = func(cb) + func(ca - 1)
	}

	
	std::cout << ans << std::endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:73:54: error: expected ';' before '}' token
   73 |                         ans = func(cb) + func(ca - 1)
      |                                                      ^
      |                                                      ;
   74 |         }
      |         ~
Language: C++

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

int main(){
  string s;
  cin>>s;
  int n=s.size();
  int ans=0;
  int right=0, left=0;
  rep(i,n){
    if(s[i]=='<'){
      if(right!=0){
        int x=max(right,left),y=min(right,left);
        ans+=x*(x+1)/2+y*(y-1)/2;
        right=0; left=0;
      }
      left++;
    }
    if(s[i]=='>'){
      right++;
    }
  }
  int x=max(right,left),y=min(right,left);
  ans+=x*(x+1)/2+y*(y-1)/2;
  cout<<ans<<endl;
}

Compiler output:
a.cc:6:13: error: '::main' must return 'int'
    6 | #define int ll
      |             ^~
a.cc:8:1: note: in expansion of macro 'int'
    8 | int main(){
      | ^~~
Language: C++

#include <iostream>
#include <string>

using namespace std;

void set_zeroes(string s, int *arr) {
    if (s[0] == '<') arr[0] = 0;
    if (s[s.size() - 1] == '>') arr[s.size()] = 0;
    for (int i = 0; i < s.size(); ++i) if (s[i] == '>' && s[i + 1] == '<') arr[i + 1] = 0;
}

void fill_right(int *arr, string s) {
    int i = 0;
    while (i < s.size()) {
        if (arr[i] == 0) {
            while (s[i] == '<') {
                arr[i + 1] = arr[i] + 1;
                i++;
            }
        }
        i++;
    }
}

void fill_left(int *arr, string s) {
    int i = s.size();
    while (i > 0) {
        if (arr[i] == 0) {
            while (s[i - 1] == '>') {
                if (arr[i] + 1 > arr[i - 1]) arr[i - 1] = arr[i] + 1;
                i--;
            }
        }
        i--;
    }
}

int calc_sum(int *arr, int n) {
    int sum = 0;
    for (int i = 0; i < n; ++i) sum += arr[i];
    return sum;
}

int main() {
    string s;
    cin >> s;
    long int arr[s.size() + 1];
    for (int i = 0; i < s.size() + 1; ++i) arr[i] = -1;
    set_zeroes(s, arr);
    fill_right(arr, s);
    fill_left(arr, s);
    cout << calc_sum(arr, s.size() + 1);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:19: error: cannot convert 'long int*' to 'int*'
   49 |     set_zeroes(s, arr);
      |                   ^~~
      |                   |
      |                   long int*
a.cc:6:32: note:   initializing argument 2 of 'void set_zeroes(std::string, int*)'
    6 | void set_zeroes(string s, int *arr) {
      |                           ~~~~~^~~
a.cc:50:16: error: cannot convert 'long int*' to 'int*'
   50 |     fill_right(arr, s);
      |                ^~~
      |                |
      |                long int*
a.cc:12:22: note:   initializing argument 1 of 'void fill_right(int*, std::string)'
   12 | void fill_right(int *arr, string s) {
      |                 ~~~~~^~~
a.cc:51:15: error: cannot convert 'long int*' to 'int*'
   51 |     fill_left(arr, s);
      |               ^~~
      |               |
      |               long int*
a.cc:25:21: note:   initializing argument 1 of 'void fill_left(int*, std::string)'
   25 | void fill_left(int *arr, string s) {
      |                ~~~~~^~~
a.cc:52:22: error: cannot convert 'long int*' to 'int*'
   52 |     cout << calc_sum(arr, s.size() + 1);
      |                      ^~~
      |                      |
      |                      long int*
a.cc:38:19: note:   initializing argument 1 of 'int calc_sum(int*, int)'
   38 | int calc_sum(int *arr, int n) {
      |              ~~~~~^~~
Language: C

#include <stdio.h>
#include <string.h>
int main(void){
    char c[1000000]={};
    gets(c);
    int sum=0;
    
    for(int i=0;i<strlen(c)+1;i++){
        int leftM=0;
        int rightM=0;
        for(int j=1;i-j>=0 && c[i-j]=='<';j++){leftM++;}
        for(int j=0;i+j<=strlen(c) && c[i+j]=='>';j++){rightM++;}
        (leftM>=rightM)?(sum+=leftM):(sum+=rightM);
    printf("%d\n",sum);
}

Compiler output:
main.c: In function 'main':
main.c:5:5: error: implicit declaration of function 'gets'; did you mean 'fgets'? [-Wimplicit-function-declaration]
    5 |     gets(c);
      |     ^~~~
      |     fgets
main.c:15:1: error: expected declaration or statement at end of input
   15 | }
      | ^
Language: C++

#include <bits/stdc++.h>
int main(){string S;std::cin>>S;long long ans=0;std::vector<int>A(S.size()+1);for(int i=0;i<S.size();i++)if(S.at(i)=='<')A[i+1]=std::min(A[i+1],A[i]+1);for(int i=S.size()-1;i=0;i--)if(S.at(i)=='>')A[i]=std::min(A[i],A[i+1]+1);for(int i=0;i<=S.size();i++)ans+=A[i];std::cout<<ans<<std::endl;}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:12: error: 'string' was not declared in this scope
    2 | int main(){string S;std::cin>>S;long long ans=0;std::vector<int>A(S.size()+1);for(int i=0;i<S.size();i++)if(S.at(i)=='<')A[i+1]=std::min(A[i+1],A[i]+1);for(int i=S.size()-1;i=0;i--)if(S.at(i)=='>')A[i]=std::min(A[i],A[i+1]+1);for(int i=0;i<=S.size();i++)ans+=A[i];std::cout<<ans<<std::endl;}
      |            ^~~~~~
a.cc:2:12: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:2:31: error: 'S' was not declared in this scope
    2 | int main(){string S;std::cin>>S;long long ans=0;std::vector<int>A(S.size()+1);for(int i=0;i<S.size();i++)if(S.at(i)=='<')A[i+1]=std::min(A[i+1],A[i]+1);for(int i=S.size()-1;i=0;i--)if(S.at(i)=='>')A[i]=std::min(A[i],A[i+1]+1);for(int i=0;i<=S.size();i++)ans+=A[i];std::cout<<ans<<std::endl;}
      |                               ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<(n); i++)
#define FOR(i,x,n) for(int i=x; i<(n); i++)
#define ALL(n) begin(n),end(n)
#define MOD (1000000007)
#define INF (2e9)
#define INFL (2e18)

typedef long long ll;
typedef unsigned int ui;
typedef unsigned long long ull;
using vint=vector<int>;
using vll=vector<ll>;
template<class T>using arr=vector<vector<T>>;
template<class T>int popcount(T &a){int c=0; rep(i, 8*(int)sizeof(a)){if((a>>i)&1) c++;} return c;}
template<class T>void pr(T x){cout << x << endl;}
template<class T>void prvec(vector<T>& a){rep(i, a.size()-1){cout << a[i] << " ";} pr(a[a.size()-1]);}
template<class T>void prarr(arr<T>& a){rep(i, a.size()) if(a[i].empty()) pr(""); else prvec(a[i]);}
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

int main()
{
    string s; cin >> s;
    int p = 0;
    int s = 0;
    int m = 0;
    rep(i, s.size()){
        if(s[i]=='<') p++;
        else p--;
        s += p;
        if(p<0) chmin(m, p);
    }
    pr(s - m*n);
    return 0;}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:9: error: conflicting declaration 'int s'
   27 |     int s = 0;
      |         ^
a.cc:25:12: note: previous declaration as 'std::string s'
   25 |     string s; cin >> s;
      |            ^
a.cc:35:14: error: 'n' was not declared in this scope
   35 |     pr(s - m*n);
      |              ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  long string s;
  cin >> s;
  int n=s.size()+1;
  vector<int64_t> k(n);
  for(int64_t i=0;i<n-1;i++)if(s[i]=='<')if(k[i+1]<k[i]+1)k[i+1]=k[i]+1;
  for(int64_t i=n-2;i>=0;i--)if(s[i]=='>')if(k[i]<k[i+1]+1)k[i]=k[i+1]+1;
  cout << accumulate(k.begin(),k.end(),int(0)) << endl;
}
      


Compiler output:
a.cc: In function 'int main()':
a.cc:4:15: error: expected initializer before 's'
    4 |   long string s;
      |               ^
a.cc:5:10: error: 's' was not declared in this scope
    5 |   cin >> s;
      |          ^
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
    string a;
    int seq[500005], n, x=-1;
    long long final=0;
    cin >> a;
    n=a.size();
    seq[0]=0;
    memset(seq, 0, sizeof(seq));
    for(int i=0; i<n; i++){
        if(a[i]=='<'){
            seq[i+1]=seq[i]+1;
        }
    }
    
    for(int i=n-1; i>=0; i--){
        if(a[i]=='>'){
            if(seq[i]<=seq[i+1]){
                seq[i]=seq[i+1]+1;
            }
        }
    }
    for(int i=0; i<=n; i++){
        final+=seq[i];
    }
    cout << final << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'memset' was not declared in this scope
   11 |     memset(seq, 0, sizeof(seq));
      |     ^~~~~~
a.cc:2:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include<iostream>
  +++ |+#include <cstring>
    2 | #include<string>
Language: C++


int main(void){
    string s = ">";
    cin >> s;
    vector <int>table(s.size()+1, 0);

    for(int cnt =0; cnt < 1000000; cnt++){
        int flag = 0;
        for(int i =0;i < s.size(); i++){
            if(s[i] == '<' && table[i] >= table[i+1]){
                table[i+1] = table[i] + 1;
                flag = 1;
            }
        }
        for(int i = s.size() -1 ; i >= 0; i-- ){
            if(s[i] == '>' && table[i] <= table[i+1]){
                table[i] = table[i+1] + 1;
                flag = 1;
            }
        }

        if(flag == 0) break;
    }
    
    long sum = accumulate(table.begin(), table.end(),0L);
    cout << sum << endl;
    return 0;
}   

Compiler output:
a.cc: In function 'int main()':
a.cc:3:5: error: 'string' was not declared in this scope
    3 |     string s = ">";
      |     ^~~~~~
a.cc:4:5: error: 'cin' was not declared in this scope
    4 |     cin >> s;
      |     ^~~
a.cc:4:12: error: 's' was not declared in this scope
    4 |     cin >> s;
      |            ^
a.cc:5:5: error: 'vector' was not declared in this scope
    5 |     vector <int>table(s.size()+1, 0);
      |     ^~~~~~
a.cc:5:13: error: expected primary-expression before 'int'
    5 |     vector <int>table(s.size()+1, 0);
      |             ^~~
a.cc:10:31: error: 'table' was not declared in this scope; did you mean 'mutable'?
   10 |             if(s[i] == '<' && table[i] >= table[i+1]){
      |                               ^~~~~
      |                               mutable
a.cc:16:31: error: 'table' was not declared in this scope; did you mean 'mutable'?
   16 |             if(s[i] == '>' && table[i] <= table[i+1]){
      |                               ^~~~~
      |                               mutable
a.cc:25:27: error: 'table' was not declared in this scope; did you mean 'mutable'?
   25 |     long sum = accumulate(table.begin(), table.end(),0L);
      |                           ^~~~~
      |                           mutable
a.cc:25:16: error: 'accumulate' was not declared in this scope
   25 |     long sum = accumulate(table.begin(), table.end(),0L);
      |                ^~~~~~~~~~
a.cc:26:5: error: 'cout' was not declared in this scope
   26 |     cout << sum << endl;
      |     ^~~~
a.cc:26:20: error: 'endl' was not declared in this scope
   26 |     cout << sum << endl;
      |                    ^~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i, a) for (int i = (int)0; i < (int)a; ++i)
#define rrep(i, a) for (int i = (int)a - 1; i >= 0; --i)
#define REP(i, a, b) for (int i = (int)a; i < (int)b; ++i)
#define RREP(i, a, b) for (int i = (int)a - 1; i >= b; --i)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
using ll = long long;
constexpr ll mod = 1e9 + 7;
constexpr ll INF = 1LL << 60;

template <class T>
inline bool chmin(T &a, T b)
{
	if (a > b)
	{
		a = b;
		return true;
	}
	return false;
}
template <class T>
inline bool chmax(T &a, T b)
{
	if (a < b)
	{
		a = b;
		return true;
	}
	return false;
}

ll gcd(ll n, ll m)
{
	ll tmp;
	while (m != 0)
	{
		tmp = n % m;
		n = m;
		m = tmp;
	}
	return n;
}

ll lcm(ll n, ll m)
{
	return abs(n) / gcd(n, m) * abs(m); //gl=xy
}

using namespace std;

void solve()
{
  string s;
	cin>>s;
	int n=s.size();
	vector<ll>v(n+1);
	ll cur=0;
	rep(i,n){
		if(s[i]=='<')v[i+1]=max(v[i]+1,v[i+1]);
	}
	for(int i=n-1;i>=0;--i){
		if(s[i]=='>')v[i]=max(v[i],v[i+1]+1);
	}
	rep(i,n+1)ans+=v[i];
	cout<<ans<<"\n";
}

int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout << fixed << setprecision(15);
	solve();
	return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:67:19: error: 'ans' was not declared in this scope; did you mean 'abs'?
   67 |         rep(i,n+1)ans+=v[i];
      |                   ^~~
      |                   abs
a.cc:68:15: error: 'ans' was not declared in this scope; did you mean 'abs'?
   68 |         cout<<ans<<"\n";
      |               ^~~
      |               abs
Language: C++

#include <bits/stdc++.h>
 using namespace std;
 #define rep(i,N) for(int i=0;i<int(N);++i)
 using ll = long long;
 const int INF = 2147483647;

int main(){
	string s;
	cin >> s;
	vector<ll> a(s.size()+1);
	int cnt=0;
	for(int i=1;i<=s.size();i++){
		if(s.at(i-1)=='<')
			cnt++;
		if(s.at(i-1)=='>')
			cnt=0;
		a[i]=cnt;
	}
	cnt=0;
	for(int i=s.size()-1;i>=0;i--){
		if(s.at(i)=='>')
			cnt++;
		if(s.at(i)=='<')
			cnt=0;
		a[i]=max(a[i],cnt);
	}
	ll sum=0;
	for(int i=0;i<=s.size();i++){
		sum+=a[i];
	}
	cout << sum << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:25: error: no matching function for call to 'max(__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type&, int&)'
   25 |                 a[i]=max(a[i],cnt);
      |                      ~~~^~~~~~~~~~
In file included 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/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:25:25: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   25 |                 a[i]=max(a[i],cnt);
      |                      ~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:25:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   25 |                 a[i]=max(a[i],cnt);
      |                      ~~~^~~~~~~~~~
Language: C++

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

string s;
int n, maxn = 5e5+10, countN;
int front[maxn];
long long ans;

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

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

	countN=0;
	for(int i=n-1; i>-1; i--){
		if(s[i] == '<'){
			countN=0;
		}
		else{
			countN++;
		}
		ans += max(countN, front[i]);
	}
	cout << ans << endl;
}

Compiler output:
a.cc:6:11: error: size of array 'front' is not an integral constant-expression
    6 | int front[maxn];
      |           ^~~~
Language: C++

#include <bits/stdc++.h>
#define _GLIBCXX_DEBUG
#define rep(i ,n) for(int i = 0 ; i < (n) ; i ++ )
#define mp(x,y) make_pair(x,y)
#define all(x) (x).begin(),(x).end()
using namespace std;
using ll = long long;
using vin=vector<int>;
using P = pair<int, int>;
const int inf=1e9+7;
const ll INF=1e18;


int main() {
 muridatta
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: 'muridatta' was not declared in this scope
   15 |  muridatta
      |  ^~~~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <cstdlib>
using namespace std;
int main() {
    string S; cin>>S;
    long long counter=0;
    long long counter1=0;
    long long counter2=0;
    long long answer=0;
    int a;
    if(S.at(0)=='<'){
    counter++;}
    else
    counter1++;
    for(long long i=1; i<S.size(); i++){
    if(counter>0&&counter2==0){
    if(S.at(i)=='<'){
    counter++;
    continue;}
    else{
    answer+=counter*(counter+1)/2;
    counter1++;
    counter2=counter;
    counter=0;
    continue;}}
    else {
    if(S.at(i)=='>'){
    counter1++;
    continue;}
    else{
    a=counter1-counter2;
    answer+=counter1*(counter1-1)/2+max((counter1-counter2),0);
    counter++;
    counter2=0;
    counter1=0;
    a=0;
    continue;}}}
    answer+=counter*(counter+1)/2;
  a=counter1-counter2;
    answer+=counter1*(counter1-1)/2+max((a),0);
    cout<<answer<<endl;}
    
      
    
    


Compiler output:
a.cc: In function 'int main()':
a.cc:33:40: error: no matching function for call to 'max(long long int, int)'
   33 |     answer+=counter1*(counter1-1)/2+max((counter1-counter2),0);
      |                                     ~~~^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 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,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:33:40: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   33 |     answer+=counter1*(counter1-1)/2+max((counter1-counter2),0);
      |                                     ~~~^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
Language: C++

#include <iostream>
#include <vector>
#include <cstdlib>
using namespace std;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }

// 入力
int N;
long long a[110][3]={{0}}; // a[i], b[i], c[i] をそれぞれまとめて a[i][0], a[i][1], a[i][2] にしてしまう

// DP テーブル
long long dp[110][6]={{0}};

int main() {
    string S; cin>>S;
    int counter=0;
    int counter1=0;
    int counter2=0;
    int answer=0;
    if(S.at(i)=='<'){
    counter++;}
    else
    counter1++;
    for( int i=0; i<S.size(); i++){
    if(counter>0&&counter2==0){
    if(S.at(i)=='<'){
    counter++;
    continue;}
    else{
    answer+=counter*(counter\+1)/2;
    counter1++;
    counter2=counter;
    counter=0;
    continue;}}
    else {
    if(S.at(i)=='>'){
    counter1++;
    continue;}
    else{
    answer+=counter1*(counter1-1)/2+max(counter1,counter2);
    counter++;
    counter2=0;
    counter1=0;
    continue;}}
    cout<<answer<<endl;}
    
      
    
    


Compiler output:
a.cc:31:29: error: stray '\' in program
   31 |     answer+=counter*(counter\+1)/2;
      |                             ^
a.cc: In function 'int main()':
a.cc:21:13: error: 'i' was not declared in this scope
   21 |     if(S.at(i)=='<'){
      |             ^
a.cc:46:25: error: expected '}' at end of input
   46 |     cout<<answer<<endl;}
      |                         ^
a.cc:15:12: note: to match this '{'
   15 | int main() {
      |            ^
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <ctime>
#include <functional>
#include <vector>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <cassert>
#include <bitset>
#include <list>
#include <cstdio>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <math.h>
#include <cmath>
#include <tuple>
#include <cassert>
#include <array>
#include <iomanip>

using namespace std;
using pii = pair<int, int>;
using ti = tuple<int, int, int>;

const double eps=1e-14;
const int mod = 1e9 + 7;
const int inf = ((1<<30));
const long long linf = (1LL<<60);

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    string s;
    cin >> s;
    int n = s.size();
    vector<int> a(n+1);
    for(int i=0; i<n; i++)
    {
        if(s[i] == '<') a[i+1] = max(a[i+1], a[i]+1);
    }
    for(int i=n-1; i>=0; i--)
    {
        if(s[i] == '>') a[i] = max(a[i], a[i+1]+1);
    }
    long long asn = 0;
    for(int i=0; i<=n; i++) ans += a[i];
    cout << ans << endl;
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:51:29: error: 'ans' was not declared in this scope; did you mean 'asn'?
   51 |     for(int i=0; i<=n; i++) ans += a[i];
      |                             ^~~
      |                             asn
a.cc:52:13: error: 'ans' was not declared in this scope; did you mean 'asn'?
   52 |     cout << ans << endl;
      |             ^~~
      |             asn
Language: C++

#include <iostream>
#include <vector>
#include <cmath>
 
using namespace std;
typedef long long int ll;
string S;
int main()
{
  ll i;
  ll sum=0;
  ll len, cl;
  ll last;

  cin >> S;

  len = S.size();
  last = 0;
  for (i=0; i<len; ) {
    cl=0;
    switch(S[i]) {
    case '<':
      while (S[i] == '<' && i<len) {cl++; i++;}
      sum += cl*(cl+1)/2;
      break;
    case '>':
      while (S[i] == '>' && i<len) {cl++;i++;}
      if (last <= cl) {
	sum += cl*(cl+1)/2 - last;
      } else {
	sum += cl*(cl-1)/2;
      }
      break;
    }
    last = cl;
//printf("%d %d\n", cl, sum);
  }

//  printf("%lld\n", sum);
  cout << sum << endl;
  return 0;
}

/*

<>>><<><<<<<>>><
03210120123452101

< 01            1
>>> 3210        6
<< 012          9
> 10            9
<<<<< 012345    24
>>> 3210        27
< 01            28

<>>><<><<<<<>>>>>><
03210120123465432101
< 01            1
>>> 3210        6
<< 012          9
> 10            9
<<<<< 012345    24
>>>>>> 6543210  40

Compiler output:
a.cc:44:1: error: unterminated comment
   44 | /*
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
long i,m,ans,n,a[500005];
char s[500005];
void f(long ii,long v)
{
	a[ii]=v;
	//if(ii>0l&&s[ii-1l]=='>'&&a[ii-1l]<=a[ii])g(ii-1l,v+1l);
	if(ii<n-1l&&s[ii]=='<'&&a[ii]>=a[ii+1l])g(ii+1l,v+1l);
	return;
}
void g(long ii,long v)
{
	a[ii]=v;
	if(ii>0l&&s[ii-1l]=='>'&&a[ii-1l]<=a[ii])g(ii-1l,v+1l);
	//if(ii<n-1l&&s[ii]=='<'&&a[ii]>=a[ii+1l])g(ii+1l,v+1l);
	return;
}
int main()
{
	for(scanf("%s",&s);s[n];n++);n++;
	for(i=0l;i<n-1l;i++)a[i+1l]=a[i]+(s[i]=='<'?1l:-1l);
	for(i=0l;i<n;i++)m=max(m,a[i]);
	for(i=0l;i<n;i++)a[i]-=m;
	for(i=0l;i<n;i++)if(a[i]<0l)f(i,0l);
    for(i=n-1l;i>=0l;i--)if(a[i]<0l)g(i,0l);
	for(i=0l;i<n;i++)ans+=a[i];
	printf("%ld\n",ans);
}


Compiler output:
a.cc: In function 'void f(long int, long int)':
a.cc:9:49: error: 'g' was not declared in this scope
    9 |         if(ii<n-1l&&s[ii]=='<'&&a[ii]>=a[ii+1l])g(ii+1l,v+1l);
      |                                                 ^
Language: C++

import sys
def input(): return sys.stdin.readline().rstrip()
from collections import Counter
def main():
    s=input()
    n=len(s)
    L=[0]*(n+1)
    cunt_l=0
    for i,ss in enumerate(s,1):
        if ss=="<":
            cunt_l+=1
            L[i]=cunt_l
        else:
            cunt_l=0
    G=[0]*(n+1)
    cunt_g=0
    for i in range(n-1,0,-1):
        if s[i]==">":
            cunt_g+=1
            G[i]=cunt_g
        else:
            cunt_g=0
    A=[0]*(n+1)
    for i in range(n+1):
        A[i]=max(L[i],G[i])
    print(sum(A))


if __name__=='__main__':
    main()

Compiler output:
a.cc:29:14: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   29 | if __name__=='__main__':
      |              ^~~~~~~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sys
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: Java

import java.util.*;
import java.io.*;
import java.math.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        char[] c = sc.next().toCharArray();
        int min = 0;
        int prev = 0;
        int ans = 0;
        for(int i = 1; i < c.length(); i++){
            if(c[i] == '<'){
                prev += 1;
                ans += prev;
            }else{
                prev -= 1;
                ans += prev;
                min = Math.min(min,prev);
            }
        }
        System.out.println(ans-(min*c.length))
    }
}


Compiler output:
Main.java:22: error: ';' expected
        System.out.println(ans-(min*c.length))
                                              ^
1 error
Language: C++

#include <bits/stdc++.h>

#define PI 3.14159265358979323846264338327950288419

using namespace std;

long long ans = 0;
int n;
char str[500005];

long long parse_segment(int &st){
	int op = 0, clo = 0;
	while(st < n && str[st] == '<'){
		op++;
		st++;
	}
	while(st < n && str[st] == '>'){
		clo++;
		st++;
	}
	int top_elem = max(op, clo);
	return top_elem + 1LL * op * (op - 1) / 2 + 1LL * clo * (clo - 1) / 2;
}

int main(){
	gets(str);
	n = strlen(str);
	for(int i = 0; i < n;){
		ans += parse_segment(i);
	}
	printf("%lld\n", ans);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   26 |         gets(str);
      |         ^~~~
      |         getw
Language: C++

#include <bits/stdc++.h>

#define PI 3.14159265358979323846264338327950288419

using namespace std;

long long ans = 0;
int n;
char str[500005];

long long parse_segment(int &st){
	int op = 0, clo = 0;
	while(st < n && str[st] == '<'){
		op++;
		st++;
	}
	while(st < n && str[st] == '>'){
		clo++;
		st++;
	}
	int top = max(op, clo);
	return top + 1LL * op * (op - 1) / 2 + 1LL * clo * (clo - 1) / 2;
}

int main(){
	gets(str);
	n = strlen(str);
	for(int i = 0; i < n;){
		ans += parse_segment(i);
	}
	printf("%lld\n", ans);
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   26 |         gets(str);
      |         ^~~~
      |         getw
Language: C++

    #include<bits/stdc++.h>


    using namespace std;
    #define ll  long long
    #define ld  long double
    #define endl '\n'
    #define FAST ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    const ll mod = 1e9 + 7;
    const double PI = 3.141592653589793238463;
    const int MAXN = 2e5 + 5;
    bool isPrime[MAXN];



    ll fastPow(ll x, ll b)
    {
        if (b == 0)
            return 1;
        else if (!(b & 1))
        {
            return fastPow(x * x, b / 2);
        }
        else
            return x * fastPow(x * x, (b - 1) / 2);
    }

    //__builtin_popcount ();
    bool isPrim(int n)
    {
        if (n == 1 || n == 0)
            return false;
        for (int i = 2; i * i <= n; i++)
        {
            if (n % i == 0)
                return false;
        }
        return true;
    }



    int main()
    {
        FAST
        string h;
        cin>>h;
        int sz=h.size();
        int arr[sz+1];
        ll ans=0;<>>><<><<<<<>>><
        memset(arr,0,sizeof(arr));
        for(int i=0; i<sz; i++)
            if(h[i]=='<')
                arr[i+1]=max(arr[i+1],arr[i]+1);
        for(int i=sz; i>=0; i--)
            if(h[i]=='>')
                arr[i]=max(arr[i],arr[i+1]+1);
        for(int i=0; i<=sz; i++)
            ans+=arr[i];
        cout<<ans<<endl;
        return 0;
    }


Compiler output:
a.cc: In function 'int main()':
a.cc:50:18: error: expected primary-expression before '<' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                  ^
a.cc:50:19: error: expected primary-expression before '>>' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                   ^~
a.cc:50:21: error: expected primary-expression before '>' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                     ^
a.cc:50:22: error: expected primary-expression before '<<' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                      ^~
a.cc:50:24: error: expected primary-expression before '>' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                        ^
a.cc:50:25: error: expected primary-expression before '<<' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                         ^~
a.cc:50:27: error: expected primary-expression before '<<' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                           ^~
a.cc:50:29: error: expected primary-expression before '<' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                             ^
a.cc:50:30: error: expected primary-expression before '>>' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                              ^~
a.cc:50:32: error: expected primary-expression before '>' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                                ^
a.cc:50:33: error: expected primary-expression before '<' token
   50 |         ll ans=0;<>>><<><<<<<>>><
      |                                 ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define double long double
#define fo(a,b) for(int a=0;a<b;a++)
#define Sort(a) sort(a.begin(),a.end())
#define rev(a) reverse(a.begin(),a.end())
#define fi first
#define se second
#define sz size()
#define bgn begin()
#define en end()
#define pb push_back
#define pp() pop_back()
#define V vector
#define P pair
#define yuko(a) setprecision(a)
#define uni(a) a.erase(unique(a.begin(),a.end()),a.end())
#define Q queue
#define pri priority_queue
#define Pri priority_queue<int,vector<int>,greater<int>>
#define PriP priority_queue<P<int,int>,vector<P<int,int>>,greater<P<int,int>>>
#define ff first.first
#define fs first.second
#define sf second.first
#define ss second.second
#define all(a)  (a).begin(),(a).end()
#define elif else if


int low(V<int> a,int b){
  decltype(a)::iterator c=lower_bound(a.begin(),a.end(),b);
  int d=c-a.bgn;
  return d;
}
int upp(V<int> a,int b){
  decltype(a)::iterator c=upper_bound(a.begin(),a.end(),b);
  int d=c-a.bgn;
  return d;
}
int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
}
int gcd(int a,int b){
  if(a%b==0)
    return b;
  return gcd(b,a%b);
}
int ketas(int a){
  string b=to_string(a);
  int c=0;
  fo(i,keta(a)){
    c+=b[i]-'0';
  }
  return c;
}
int INF=1000000007;
int kaijou(int a){
  int b=1;
  fo(i,a)
    b*=i+1;
  return b;
}

V<P<int,int>> factorize(int n){
  V<P<int,int>> res;
  for(int i=2; i*i<=n; i++){
    if(n%i)
      continue;
    res.emplace_back(i,0);
    while(n%i==0){
      n/=i;
      res.back().second++;
    }
  }
  if(n!=1)
    res.emplace_back(n,1);
  return res;
}

const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, 1, 0, -1};

string s;
int a[500010];
signed main(){
  cin>>s;
  queue<int> que;
  for(int i=1; i<=s.size()-1){
    if (s[i - 1] == '>' && s[i] == '<') {
      a[i] = 0;
      que.push(i);
    }
  }
  if (s[0] == '<') {
    a[0] = 0;
    que.push(0);
  }
  if (s.back() == '>') {
    a[s.size()] = 0;
    que.push(s.size());
  }
  while (!que.empty()) {
    int n = que.front();
    que.pop();
    if (n) {
      if (s[n - 1] == '>') {
        a[n - 1] = max(a[n - 1], a[n] + 1);
        que.push(n - 1);
      }
    }
    if (n < s.size()) {
      if (s[n] == '<') {
        a[n + 1] = max(a[n + 1], a[n] + 1);
        que.push(n + 1);
      }
    }
  }
  int sum = 0;
  fo(i, s.size() + 1)sum += a[i];
  cout << sum << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:92:29: error: expected ';' before ')' token
   92 |   for(int i=1; i<=s.size()-1){
      |                             ^
      |                             ;