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

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

int main()
{
    int n;
    cin >> n;
    int ans =0,t=0;
    string s;
    cin >> s;
        forx(j,1,n)
        {
            if(s[j]=='E')
                t++;
        }
      forx(i,0,n-1){
          
          if(s[i]=='W'&&s[i+1]=='W'){
              t++;
          }
          if (s[i] == 'W' && s[i + 1] == 'S')
          {

          }
          if (s[i] == 'S' && s[i + 1] == 'S')
          {
              t--;
          }
          if (s[i] == 'S' && s[i + 1] == 'W')
          {

          }
          ans = min(t, ans);
      }
    cout << ans << endl;
    return 0;
}
#include <bits/stdc++.h>
using namespace std;
#define forx(i, a, b) for(int i = (int)(a); i < (int)(b); i++)
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
typedef long long ll;
typedef vector<int> veci;

int main()
{
    int n;
    cin >> n;
    int ans =0,t=0;
    string s;
    cin >> s;
        forx(j,1,n)
        {
            if(s[j]=='E')
                t++;
        }
      forx(i,0,n-1){
          
          if(s[i]=='W'&&s[i+1]=='W'){
              t++;
          }
          if (s[i] == 'W' && s[i + 1] == 'S')
          {

          }
          if (s[i] == 'S' && s[i + 1] == 'S')
          {
              t--;
          }
          if (s[i] == 'S' && s[i + 1] == 'W')
          {

          }
          ans = min(t, ans);
      }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc:49:5: error: redefinition of 'int main()'
   49 | int main()
      |     ^~~~
a.cc:8:5: note: 'int main()' previously defined here
    8 | int main()
      |     ^~~~
Language: C++

#include <stdio.h>

int main(void){
  int n, i, t[300000], min , w = 0;
  char s;
  scanf("%d", &n);
  min = n;
  getchar();
  for(i = 0; i < n; i++){
    s = getchar();
    t[i] = w;
    if(s == 'W'){
      w++;
    }
  }
  for(i = 0; i < n; i++){
    v = t[i] + ((n - w - 1) - (i - t[i]));
    v++;
    if(v < min)
      min = v;
  }
  printf("%d\n", min);
  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: 'v' was not declared in this scope
   17 |     v = t[i] + ((n - w - 1) - (i - t[i]));
      |     ^
Language: C++

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

int count(int n, int m, char a[]){
  int cnt = 0;
  int i;
  for(i = 0; i < m; i++){
    if(a[i] != "E"){
      cnt++;
    }
  }
  for(i = m + 1;i < n; i++){
    if(a[i] != "W"){
      cnt++;
    }
  }
  return cnt;
}

int main(){
  int n,min;
  int i;
  char *a;
  min = 0;
  scanf("%d",&n);
  a = (char*)malloc(sizeof(char)*n);
  for(i = 0; i < n; i++){
    scanf("%s",&a[i]);
  }
  for(i = 0; i < n; i++){
    if(count(n,i,a)<min){
      min=count(n,i,a);
    }
  }
  printf("%d",min);
  return 0;
}

Compiler output:
a.cc: In function 'int count(int, int, char*)':
a.cc:9:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |     if(a[i] != "E"){
      |        ~~~~~^~~~~~
a.cc:14:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |     if(a[i] != "W"){
      |        ~~~~~^~~~~~
Language: C

#include <stdio.h>
int main(void)
{
	int N;

	scanf_s("%d", &N);
	char str[1001];
	scanf_s("%s", str,N);

	int i;
	int s;
	int ans;
	ans = 0;
	for (i = 0;i <= N; i++)
	{
		s = 0;
		int p;
		int q;
		p = 0;
		q = i+1;
		int y;
		y = 1;

		do {
			do {
				if (str[p] = str[q])


				{
					int k;
					int w = 0;
					k = 0;
					do{
						if (str[p] = str[k])
							w = w;
						else
							w++;
						k++;
					} while (k <= p);
					if (w >= 1)
						s++;
					else
						s = s;
				}
				else
					s = s;
				q++;
			}while (q <= N);
			p++;
		}while (p <= i);
		if (s >=ans)
			ans = s;
		else
			ans = ans;
		s = 0;
		

	}

	printf("%d", ans);
	return 0;
	





}

Compiler output:
main.c: In function 'main':
main.c:6:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    6 |         scanf_s("%d", &N);
      |         ^~~~~~~
      |         scanf
Language: Java

import java.util.*;

class Main {
    private static Scanner scan = new Scanner(System.in);

    public static void out(int num) {
        System.out.println(num);
    }

    public static void main(String[] args) {

        int n = scan.nextInt();
        String str = scan.next();
        int min = n;

        for (int i = 0; i < n; i++) {
            String cut1 = str.substring(0, i);
            String cut2 = str.substring(i+1);

            ArrayList<String> has1 = new ArrayList<String>();
            for (int j = 0; j < cut1.length(); j++) {
                has1.add((String.valueOf(cut1.charAt(j))));
            }
            Collections.sort(has1);

            ArrayList<String> has2 = new ArrayList<String>();
            for (int j = 0; j < cut2.length(); j++) {
                has2.add((String.valueOf(cut2.charAt(j))));
            }
            Collections.sort(has2);

//            System.out.println(Arrays.toString(has1.toArray()));
//            System.out.println(Arrays.toString(has2.toArray()));

            //has1 is all 'E'
            //has2 is all 'W'
            int ind1 = ((has1.size() - has1.indexOf("W"));
            int ind2 = has2.indexOf("W");

            if(ind1 > has1.size()){ind1 = 0;}
            if(ind2 == (-1)){ind2 = 0;}
            int temp = ind1+ind2;
            if(min > temp){
            min = temp;
        }

        }
        out(min);
    }
}

Compiler output:
Main.java:37: error: ')' expected
            int ind1 = ((has1.size() - has1.indexOf("W"));
                                                         ^
1 error
Language: C++

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

int main() {
	int n, ans,k;
	std::string str;

	std::cin >> n >> str;

	std::vector<char> v(n);
	int num, min = n;

	for (int i = 0; i < n; i++) {
		v[i] = str[i];
	}

	for (int i = 1; i < n; i++) {
		num = std::count(v.begin(), v.begin() + i-1, 'W') + std::count(v.begin() + i + 1, v.end(), 'E');
		
		if (min > num) {
			min = num;
			ans = num;
		}
	}

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


	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:28: error: 'count' is not a member of 'std'; did you mean 'cout'?
   19 |                 num = std::count(v.begin(), v.begin() + i-1, 'W') + std::count(v.begin() + i + 1, v.end(), 'E');
      |                            ^~~~~
      |                            cout
a.cc:19:74: error: 'count' is not a member of 'std'; did you mean 'cout'?
   19 |                 num = std::count(v.begin(), v.begin() + i-1, 'W') + std::count(v.begin() + i + 1, v.end(), 'E');
      |                                                                          ^~~~~
      |                                                                          cout
Language: Java

import java.util.Arrays;
import java.util.Scanner;
public class Main {
	public static void main(String[] args){
		Scanner in = new java.util.Scanner(System.in);
		String N = in.nextLine();
		Stringt b = in.nextLine();
		int a = Integer.parseInt(N);
      
      	char[] c = b.toCharArray();
      	int min = a;
      	for(int i=0; i<a; i++){
        	int count = 0;
	        if(c[j]=='W'){
				count++;
            }
        }
      	for(int j=i+1; j<=a; j++){
          if(c[j] == 'E'){
            count++;
          }
        }
      	if(count < min){
          min = count;
        }
    }
  	System.out.print(min);
  
  }
}


Compiler output:
Main.java:27: error: <identifier> expected
  	System.out.print(min);
  	                ^
Main.java:27: error: <identifier> expected
  	System.out.print(min);
  	                    ^
Main.java:30: error: class, interface, enum, or record expected
}
^
3 errors
Language: C++

#include <math.h>
#include <algorithm>
#include <iostream>
#include <iterator>
#include <set>
#include <unordered_map>
#include <vector>

using namespace std;

int main(void) {
  int N;
  cin >> N;
  bool S[1000000];
  for (int i = 0; i < N; i++) {
    char c;
    cin >> c;
    if (c == 'E') {
      S[i] = false;
    } else {
      S[i] = true;
    }
  }
  int ans = N;
  for (int i = 0; i < N; i++) {
    int num = 0;
    for (int j = 0; j < N; j++) {
      if (j < i) {
        if (S[j] == true) num++;
      } else if (j > i) {
        if (S[j] == false) num++;
      }
    }
    if (num < ans) ans = num;
  }
  cout << ans << endl;
  return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:37:12: error: expected '}' at end of input
   37 |   return 0;
      |            ^
a.cc:11:16: note: to match this '{'
   11 | int main(void) {
      |                ^
Language: Java

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner scanner = new Scanner(System.in);
		int n = scanner.nextInt();
		char[] ch = scanner.next().toCharArray();
		int[] c = new int[n];  
		int[] d = new int[n];
		for(int i = 0; i < n; i++){
			if(i == 0) {
				c[0] = 0;
				d[0] = 0;		
			}
			if(i == n-1) {
				break;
			}else {
				if(ch[i] == 'W') {
					c[i+1] = c[i]+1;
				}else {
					c[i+1] = c[i];
				}
				if(ch[n-1-i] == 'E') {
					d[i+1] = d[i]+1; 
				}else{
					d[i+1] = d[i];
				}
			}
		}
		int ans = n;
		for(int r = 0; r < n; r++) {
			int tmp = c[r]+ d[n-1-r];
			if(tmp < ans) ans = tmp;
		}
		System.out.println(ans);
	}

}


Compiler output:
Main.java:5: error: cannot find symbol
		Scanner scanner = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
Main.java:5: error: cannot find symbol
		Scanner scanner = new Scanner(System.in);
		                      ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define REP(i, n)  FOR(i, 0, n)
#define ASC(c) sort((c).begin(), (c).end())
#define DESC(c) sort((c).begin(), (c).end(), greater<int>())

#define DUMP(x)  cerr << #x << " = " << (x) << endl;
#define DEBUG(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;

typedef long long ll;
typedef unsigned long long ull;
struct edge { int u, v; ll w; };
 
ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;

int main() {
  int n; cin >> n;
  int m = 3000000;
  string s; cin >> s;

  REP(i, n) {
    int count = 0;
    for (int k = i - 1; k >= 0; k--) {
      if (s[k] != 'E') count++;
    }
    for (int k = i + 1; k < n; k++) {
      if (s[k] != 'W') count++;
    }
    if (m > count) {
      m = count;
    }
  }
  cout << m << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:10: error: 'cin' was not declared in this scope
   24 |   int n; cin >> n;
      |          ^~~
a.cc:5:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    4 | #include <algorithm>
  +++ |+#include <iostream>
    5 | using namespace std;
a.cc:40:3: error: 'cout' was not declared in this scope
   40 |   cout << m << endl;
      |   ^~~~
a.cc:40:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:40:16: error: 'endl' was not declared in this scope
   40 |   cout << m << endl;
      |                ^~~~
a.cc:5:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    4 | #include <algorithm>
  +++ |+#include <ostream>
    5 | using namespace std;
Language: C

#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define REP(i, n)  FOR(i, 0, n)
#define ASC(c) sort((c).begin(), (c).end())
#define DESC(c) sort((c).begin(), (c).end(), greater<int>())

#define DUMP(x)  cerr << #x << " = " << (x) << endl;
#define DEBUG(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;

typedef long long ll;
typedef unsigned long long ull;
struct edge { int u, v; ll w; };
 
ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;

int main() {
  int n; cin >> n;
  int m = 3000000;
  string s; cin >> s;

  REP(i, n) {
    int count = 0;
    for (int k = i - 1; k >= 0; k--) {
      if (s[k] != 'E') count++;
    }
    for (int k = i + 1; k < n; k++) {
      if (s[k] != 'W') count++;
    }
    if (m > count) {
      m = count;
    }
  }
  cout << m << endl;
}


Compiler output:
main.c:1:10: fatal error: cmath: No such file or directory
    1 | #include <cmath>
      |          ^~~~~~~
compilation terminated.
Language: C

#include <iostream>
#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define REP(i, n)  FOR(i, 0, n)
#define ASC(c) sort((c).begin(), (c).end())
#define DESC(c) sort((c).begin(), (c).end(), greater<int>())

#define DUMP(x)  cerr << #x << " = " << (x) << endl;
#define DEBUG(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;

typedef long long ll;
typedef unsigned long long ull;
struct edge { int u, v; ll w; };
 
ll MOD = 1000000007;
ll _MOD = 1000000009;
double EPS = 1e-10;

int main() {
  int n; cin >> n;
  int m = 3000000;
  string s; cin >> s;

  REP(i, n) {
    int count = 0;
    for (int k = i - 1; k >= 0; k--) {
      if (s[k] != 'E') count++;
    }
    for (int k = i + 1; k < n; k++) {
      if (s[k] != 'W') count++;
    }
    if (m > count) {
      m = count;
    }
  }
  cout << m << endl;
}


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

#include <stdio.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include <algorithm>
using namespace std;
int main()
{
    long long int n,i,minn=0,t;
    char s[300005];
    scanf("%lld",&n);
    getchar();
    gets(s);
    for(i=0;i<n;i++)
    {
        if(s[i]=='E')
            minn++;
    }
    t=minn;
    for(i=0;i<n;i++)
    {
        if(s[i]=='E'&&s[i-1]=='E')
            t--;
        if(s[i]=='W'&&s[i-1]=='W')
            t++;
        if(t<minn)
            minn=t;
    }
    printf("%lld\n",minn);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
   13 |     gets(s);
      |     ^~~~
      |     getw
Language: C++

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

using namespace std;

	int N;
	string S;

	cin >> N;
	cin >> S;

	char p[N][N];

	for (int i=0; i<N; i++) {
		for (int j=0; j<N; j++) {
			if (j<i) p[i][j] = 'E';
			else p[i][j] = 'W';
		}
	}

	int score[N];
	for (int i=0; i<N; i++) score[i] = 0;

	for (int i=0; i<N; i++) {
		for (int j=0; j<N; j++){
			if (i != j){
				if (p[i][j] != S[j]) score[i] += 1;
			}
		}
	}

	int answer = score[0];

	for (int i=1; i<N; i++) {
		if (score[i]<answer) answer = score[i];
	}

	printf("%d", answer);

Compiler output:
a.cc:10:9: error: 'cin' does not name a type
   10 |         cin >> N;
      |         ^~~
a.cc:11:9: error: 'cin' does not name a type
   11 |         cin >> S;
      |         ^~~
a.cc:13:19: error: size of array 'p' is not an integral constant-expression
   13 |         char p[N][N];
      |                   ^
a.cc:13:16: error: size of array 'p' is not an integral constant-expression
   13 |         char p[N][N];
      |                ^
a.cc:15:9: error: expected unqualified-id before 'for'
   15 |         for (int i=0; i<N; i++) {
      |         ^~~
a.cc:15:23: error: 'i' does not name a type
   15 |         for (int i=0; i<N; i++) {
      |                       ^
a.cc:15:28: error: 'i' does not name a type
   15 |         for (int i=0; i<N; i++) {
      |                            ^
a.cc:22:19: error: size of array 'score' is not an integral constant-expression
   22 |         int score[N];
      |                   ^
a.cc:23:9: error: expected unqualified-id before 'for'
   23 |         for (int i=0; i<N; i++) score[i] = 0;
      |         ^~~
a.cc:23:23: error: 'i' does not name a type
   23 |         for (int i=0; i<N; i++) score[i] = 0;
      |                       ^
a.cc:23:28: error: 'i' does not name a type
   23 |         for (int i=0; i<N; i++) score[i] = 0;
      |                            ^
a.cc:25:9: error: expected unqualified-id before 'for'
   25 |         for (int i=0; i<N; i++) {
      |         ^~~
a.cc:25:23: error: 'i' does not name a type
   25 |         for (int i=0; i<N; i++) {
      |                       ^
a.cc:25:28: error: 'i' does not name a type
   25 |         for (int i=0; i<N; i++) {
      |                            ^
a.cc:35:9: error: expected unqualified-id before 'for'
   35 |         for (int i=1; i<N; i++) {
      |         ^~~
a.cc:35:23: error: 'i' does not name a type
   35 |         for (int i=1; i<N; i++) {
      |                       ^
a.cc:35:28: error: 'i' does not name a type
   35 |         for (int i=1; i<N; i++) {
      |                            ^
a.cc:39:15: error: expected constructor, destructor, or type conversion before '(' token
   39 |         printf("%d", answer);
      |               ^
Language: C++

#include <iostream>

using namespace std;

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

    int minCnt = INT_MAX;
    for(int i = 0; i < n; i++)
    {
        int tmpCnt = 0;
        for(int j = 0; j < i; j++)
        {
            if('W' == s[j])
            {
                tmpCnt++;
            }
        }

        for(int k = i + 1; k < n; k++)
        {
            if('E' == s[k])
            {
                tmpCnt++;
            }
        }

        minCnt = min(minCnt, tmpCnt);
    }

    cout << minCnt << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:18: error: 'INT_MAX' was not declared in this scope
   11 |     int minCnt = INT_MAX;
      |                  ^~~~~~~
a.cc:2:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    1 | #include <iostream>
  +++ |+#include <climits>
    2 |
Language: C++

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
const int maxn = 1e5;
const int inf = 1<< 30;
typedef long long LL;
int n;
char a[3*maxn+5];
int pos[3*maxn+5],vis[3*maxn+5];
int main(){
	scanf("%d",&n);
	getchar();
	gets(a);
	int ind = 0;
	for(int i = 0;i<n;i++){
		pos[i] = ind;
		if(a[i] == 'W')
			ind++;
	}
	ind = 0;
	for(int i = n-1;i>=0;i--){
		vis[i] = ind;
		if (a[i] == 'E')
			ind++;
	}
	int ans = inf;
	for(int i = 0;i<n;i++){
		if(ans > pos[i]+vis[i]) 
			ans = pos[i] + vis[i];
	}
	printf("%d\n",ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   14 |         gets(a);
      |         ^~~~
      |         getw
Language: C++

#include<stdio.h>
const int maxn = 1e5;
const int inf = 1<< 30;
typedef long long LL;
int n;
char a[3*maxn+5];
int pos[3*maxn+5],vis[3*maxn+5];
int main(){
	scanf("%d",&n);
	getchar();
	gets(a);
	int ind = 0;
	for(int i = 0;i<n;i++){
		pos[i] = ind;
		if(a[i] == 'W')
			ind++;
	}
	ind = 0;
	for(int i = n-1;i>=0;i--){
		vis[i] = ind;
		if (a[i] == 'E')
			ind++;
	}
	int ans = inf;
	for(int i = 0;i<n;i++){
		if(ans > pos[i]+vis[i]) 
			ans = pos[i] + vis[i];
	}
	printf("%d\n",ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   11 |         gets(a);
      |         ^~~~
      |         getw
Language: C++

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

int main()
{
    int n;
    char s[100050];
    scanf("%d",&n);
    getchar();
    gets(s);
    int ans=100000,i,j;
    for(i=0;i<n;i++)
    {
        int t=0;
        for(j=0;j<i;j++)
            if(s[j]=='W')
                t++;
        for(j=i+1;j<n;j++)
            if(s[j]=='E')
                t++;
        if(t<ans)
            ans=t;
    }
    printf("%d\n",ans);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
   10 |     gets(s);
      |     ^~~~
      |     getw
Language: C

#include<stdio.h>
 
int main(void){
    int i,j,a,b,c,d;
    c=0;
    d=0;
    char N[30000];
    scanf("%d",a);
    scanf("%s",N);
    for(i=0;i<a;i++){
        b=0;
        for(j=0;j<a;j++){
            b+=(N[j]==((i>j)*"E"+(i<j)*"W"));
        }
        if(b>c){
            c=b;
            d=i;
        }
    }
    printf("%d\n",d);
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:13:29: error: invalid operands to binary * (have 'int' and 'char *')
   13 |             b+=(N[j]==((i>j)*"E"+(i<j)*"W"));
      |                        ~~~~~^
      |                          |  |
      |                          |  char *
      |                          int
main.c:13:39: error: invalid operands to binary * (have 'int' and 'char *')
   13 |             b+=(N[j]==((i>j)*"E"+(i<j)*"W"));
      |                                  ~~~~~^
      |                                    |  |
      |                                    |  char *
      |                                    int
Language: C++

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;
const int maxn = 1e5;
const int inf = 1<< 30;
typedef long long LL;
int n;
char a[3*maxn+5];
int pos[3*maxn+5],vis[3*maxn+5];
int main(){
	cin >> n;
	getchar();
	gets(a);
	int ind = 0;
	for(int i = 0;i<n;i++){
		pos[i] = ind;
		if(a[i] == 'W')
			ind++;
	}
	ind = 0;
	for(int i = n-1;i>=0;i--){
		vis[i] = ind;
		if (a[i] == 'E')
			ind++;
	}
	int ans = inf;
	for(int i = 0;i<n;i++){
	//	printf("%d %d\n",pos[i],vis[i]);
		ans = min(ans,pos[i]+vis[i]);
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   16 |         gets(a);
      |         ^~~~
      |         getw
Language: C++

#include <iostream>
using namespace std;
typedef long long ll;
const int MAX_N = 300010;
const int INF = 10000000;
int cnte[MAX_N], cntw[MAX_N];
int main() {
    int n;
    string s;
    cin >> n >> s;
    cntw[0] = 0;
    cnte[s.size()] = 0;
    for (int i=1;i<=s.size();i++) {
        if (s[i-1] == 'W') {
            cntw[i] = cntw[i-1] + 1;
        } else {
            cntw[i] = cntw[i-1];
        }
    }
    for (int i=s.size()-1;i>=0;i--) {
        if (s[i] == 'E') {
            cnte[i] = cnte[i+1] + 1;
        } else {
            cnte[i] = cnte[i+1];
        }
    }
    ll cnt = cnte[1];
    for (int i=1;i<=s.size();i++) {
        cnt = min(cnt, cntw[i-1] + cnte[i+1]);
    }
    cout << cnt << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:18: error: no matching function for call to 'min(ll&, int)'
   29 |         cnt = min(cnt, cntw[i-1] + cnte[i+1]);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:29:18: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   29 |         cnt = min(cnt, cntw[i-1] + cnte[i+1]);
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
Language: C++

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

int main() {
  int n,sum=0,r=0; cin >> n;
  vector<int> a(n);
  REP(i,n) cin >> a[i];

  ll ans=0;
  REP(l,n) {
    while(r < n) {
      if ((sum^a[r]) != (sum+a[r])) break;
      sum += a[r];
      r++;
    }
    ans += r-l;

    if (r == l) r++;
    sum -= a[l];
  }

  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: 'll' was not declared in this scope
   10 |   ll ans=0;
      |   ^~
a.cc:17:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   17 |     ans += r-l;
      |     ^~~
      |     abs
a.cc:23:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   23 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++


#include <bits/stdc++.h>
#include <string.h>
#include <vector>
//s#define rep(i, n) for (int i = 0; i < (n); i++)
#define MAX 10000

using namespace std;

#define ll long long
#define pb push_back
//#define mp make_pair
#define all(a) (a).begin(),(a).end()
#define rep(i,a,n) for(int i=a; i<n; i++)
#define INF (int)1e15
#define MOD 1000000007
//#define N 12
#define sz 1000*1000

 int main(){

   ll n; cin>>n;
   vector<int>v(n);

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

   int i=0,j=0,x=0;
   ll res=0;
   while(i<n)
   {

      while(j<n && (x&a[j]) == 0){
            x += a[j];
            j++; }

       res = j-i;
       if(i == j) j++;
       else x -= a[i];

       i++;
   }

   cout<<res<<endl;

  return 0;
 }

Compiler output:
a.cc: In function 'int main()':
a.cc:25:30: error: 'a' was not declared in this scope
   25 |    for(int i=0;i<n;i++) cin>>a[i];
      |                              ^
a.cc:32:23: error: 'a' was not declared in this scope
   32 |       while(j<n && (x&a[j]) == 0){
      |                       ^
a.cc:38:18: error: 'a' was not declared in this scope
   38 |        else x -= a[i];
      |                  ^
Language: C++

#include <iostream>
#include <vector>

int main() {
  int N; std::cin >> N;
  std::vector<int> a(N);
  for (int i = 0; i < N; ++i) std::cin >> a[i];
  
  long long res = 0;
  int right = 0;
  long long sum = 0;
  for (int left = 0; left < N; ++left) {
    while (right < n && (sum ^ a[right] == sum + a[right])) {
      ++right;
      sum += a[right];
    }
    res += right -left;
    sum -= a[left];
  }
  
  std::cout << res << std::endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:20: error: 'n' was not declared in this scope
   13 |     while (right < n && (sum ^ a[right] == sum + a[right])) {
      |                    ^
Language: C++

#include <bits/stdc++.h>

#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define endl "\n"

using namespace std;
using ll = long long;

const ll MOD = 1000000007LL; // = 10^9 + 7
const double PI = 3.14159265358979;
//1125~1330
void solve()
{
  ll ans;
  cin >> ans;
  vector<ll> a(ans);

  int num = 0;
  int si = 0;
  for(int i = 0; i < n; ++i)
  {
    cin >> a[i];
    while((num & a[i]) > 0) 
    {
      num ^= a[si];
      si++;
    }
    num ^= a[i];
    ans += (i - si);
  }
  cout << ans;
}

int main()
{
  fastio;
  solve();

  return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:20:22: error: 'n' was not declared in this scope
   20 |   for(int i = 0; i < n; ++i)
      |                      ^
Language: C++

#include <iostream>
#include <utility>
#include <queue>
#include <memory>
#include <cstring>
#include <vector>
#include <algorithm>
#include <functional>
#include <bitset>

#define reps(i,s,n) for(int i = s; i < n; i++)
#define rep(i,n) reps(i,0,n)

using namespace std;

int func(int n){
    return n*(n+1)/2;
}

int main(){
    int n;
    cin >> n;
    vector<int> a(n);
    rep(i,n) cin >> a[i];

    int sum = 0;
    int xor = 0;
    int ans = 0;
    int l = 0,r = 0;
    int former_r = 0;
    while(r < n){
        sum += a[r];
        xor ^= a[r];
        r++;

        if(sum != xor){
            ans += func(r-l-1);
            
            if(former_r-l+1 > 0 && former_r > 0){
                ans -= func(former_r-l+1);
            }
            former_r = r-2;
            while(sum != xor){
                sum -= a[l];
                xor ^= a[l];
                l++;
            }
        }
    }

    ans += func(r-l);

    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:9: error: expected unqualified-id before 'xor' token
   27 |     int xor = 0;
      |         ^~~
a.cc:33:9: error: expected primary-expression before 'xor' token
   33 |         xor ^= a[r];
      |         ^~~
a.cc:33:13: error: expected primary-expression before '^=' token
   33 |         xor ^= a[r];
      |             ^~
a.cc:36:19: error: expected primary-expression before 'xor' token
   36 |         if(sum != xor){
      |                   ^~~
a.cc:36:22: error: expected primary-expression before ')' token
   36 |         if(sum != xor){
      |                      ^
a.cc:43:26: error: expected primary-expression before 'xor' token
   43 |             while(sum != xor){
      |                          ^~~
a.cc:43:29: error: expected primary-expression before ')' token
   43 |             while(sum != xor){
      |                             ^
a.cc:45:17: error: expected primary-expression before 'xor' token
   45 |                 xor ^= a[l];
      |                 ^~~
a.cc:45:21: error: expected primary-expression before '^=' token
   45 |                 xor ^= a[l];
      |                     ^~
Language: C

#include<stdio.h>
int x[200000][25],n,i,j,a,r;
int J(int s,int t){for(int k=0;k<25;k++)if(x[t][k]-x[s][k]>1)return 0;return 1;}
int main(){
  scanf("%d%d",&n,&a);r=0;
  for(i=0;i<n;i++)for(j=0;j<25;j++)a[i][j]=0;
  for(i=0;i<25;i++)x[0][i]=(a&(1<<i))==1<<i;
  for(i=1;i<n;i++){scanf("%d",&a);for(j=0;j<25;j++)x[i][j]=x[i-1][j]+((a&(1<<j))==1<<j);}
  a=0;for(i=0;i<n;i++){while(a<n&&J(i,a+1))a++;r+=a-i;}
  printf("%d",r);
}


Compiler output:
main.c: In function 'main':
main.c:6:37: error: subscripted value is neither array nor pointer nor vector
    6 |   for(i=0;i<n;i++)for(j=0;j<25;j++)a[i][j]=0;
      |                                     ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
long long a[200010];
int main(){
	long long n,s,t=1,ans=0
	int i;
	scanf("%d",&n);
	scanf("%d",&s);
	a[0]=s;
	for (i=1;i<n;i++)
	  scanf("%d",&a[i]);
	i=1;
	long long k=0;
	ans=1;
	while (i<n)
	{
	  if ((s^a[i])==s+a[i])
	  {
	  	s^=a[i];
	  	i++;
	  	t++;
	  	ans+=t;
	  	k=0;
	  } else
	  {
	  	s-=a[i-t];
	  	t--;
	  	k=1;
	  }
	    
    }
    printf("%d",ans);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: expected ',' or ';' before 'int'
    6 |         int i;
      |         ^~~
a.cc:10:14: error: 'i' was not declared in this scope
   10 |         for (i=1;i<n;i++)
      |              ^
a.cc:12:9: error: 'i' was not declared in this scope
   12 |         i=1;
      |         ^
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <set>
#include <cmath>
#include <queue>
#include <map>
#include <stack>
#include <bitset>
#include <numeric> //lcm
#include <iomanip> //double精度 setprecision

using namespace std;

#define rep(i,n) for(int i = 0; i < (n); ++i)
#define rrep(i,n) for(int i = n-1; i >= 0; --i)
#define rep1(i,n) for(int i = 1; i <= (n); ++i)
#define all(vec) (vec).begin(),(vec).end()

#define debug(vec) for(auto v : vec) cout << v << " "; cout << endl;
#define debug2D(vec2D) for(auto vec : vec2D) { for (auto v : vec) cout << v << " "; cout << endl; } 
#define debugP(vec) for(auto v : vec) cout << "(" << v.first << "," << v.second << ") "; cout << endl;
#define debug2DP(vec2D) for(auto vec : vec2D) { for (auto v : vec) cout << "(" << v.first << "," << v.second << ") "; cout << endl; } 

typedef long long ll;

constexpr ll INF = 1000000000; //10^10
//const ll MOD = 998244353;
constexpr ll MOD = 1000000007;

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

int main() {

		int n; cin >> n;
		vector<int> a(n);
		rep(i,n) cin >> a[i];

		ll ans = 0;
		int r = 0;
		int sum = 0;
		rep(l, n) {
			while (r < l) r++;
			
			while (r < n && (sum & a[r]) == 0) {
				sum ^= a[r];
				r++;
			}
			ans += (r-l);

			sum ^= a[l];
		}
		cout << ans << endl;
}}

Compiler output:
a.cc:56:2: error: expected declaration before '}' token
   56 | }}
      |  ^
Language: C++

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

void solve() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    int ans = 0;
    for (int i = 0; i < n; ++i) {
        int mask = 0, sm = 0;
        while ((mask ^ a[i + j]) == sm + a[i + j]) {
            ans++;
            sm += a[i + j];
            mask ^= a[i + j];
        }
        //cout << ans << "\n";
    }
    cout << ans << "\n";
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:16:30: error: 'j' was not declared in this scope
   16 |         while ((mask ^ a[i + j]) == sm + a[i + j]) {
      |                              ^
Language: C++

#include <bits/stdc++.h>
#define int long long
#define x first
#define y second


using namespace std;

void solve(){
    int n;
    cin >> n;
    vector<int> q(n);
    for(int i = 0; i < n; i++){
        cin >> q[i];
    }
    int ans = 0;
    for(int i = 0; i < n; i++){
        int sum = 0;
        int xor = 0;
        for(int j = i; j <n; j++){
            sum += q[j];
            xor = xor^q[j];
            if(sum != xor){
                break;
            }
            ans++;
        }
    }
    cout << ans;
}


signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int test = 1;
    //freopen("output.txt", "w", stdout);
    //freopen("input.txt", "r", stdin);
    //cin >> test;
    while(test--){
        solve();
    }
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:19:13: error: expected unqualified-id before 'xor' token
   19 |         int xor = 0;
      |             ^~~
a.cc:22:13: error: expected primary-expression before 'xor' token
   22 |             xor = xor^q[j];
      |             ^~~
a.cc:22:17: error: expected primary-expression before '=' token
   22 |             xor = xor^q[j];
      |                 ^
a.cc:22:19: error: expected primary-expression before 'xor' token
   22 |             xor = xor^q[j];
      |                   ^~~
a.cc:22:22: error: expected primary-expression before '^' token
   22 |             xor = xor^q[j];
      |                      ^
a.cc:23:23: error: expected primary-expression before 'xor' token
   23 |             if(sum != xor){
      |                       ^~~
a.cc:23:26: error: expected primary-expression before ')' token
   23 |             if(sum != xor){
      |                          ^
Language: C

#include <iostream>
#include <cstdio>
using namespace std;
const int N = 200010;
int a[N];
int n, s;

int main()
{
	int n;
	long long res = 0;
	scanf("%d", &n);
	for(int i = 1; i <= n; i++)
		scanf("%d",&a[i]);
	int j = 0;
	long long tmp = 0, sum = 0;
	for(int i = 1; i <= n; i++)
	{
		while(j + 1 <= n && (tmp ^ a[j + 1]) == sum + a[j + 1])
		//找到最右边满足条件的右端点 
		{
			sum += a[j + 1];
			tmp ^= a[j + 1];
			j++;
		}
		if(tmp == sum)
			res += j - i + 1;
		sum -= a[i];
		tmp ^= a[i];
	}
	printf("%lld\n",res);
	return 0;
}


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

#include <cstdio>
#include <cstring>
#include <algorithm>
#include <iostream>
using namespace std;
const long long NR=210000;
long long a[N],n;
int main()
{
	scanf("%lld",&n);
	for(long long i=1;i<=n;i++)
	{
		scanf("%lld",&a[i]);
	}
	long long l=1,r=1,tmp=0,sum=0;
	while(r<=n)
	{
		while((a[r]^tmp)==(a[r]+tmp)&&r<=n)
		{
			tmp^=a[r];
			r++;
		}
		if(r!=n+1)
		{
			sum+=r-l;
		}
		else
		{
			sum+=(ll)(r-l)*(ll)(r-l+1)/(ll)2;
		}
		tmp^=a[l];
		l++;
	}
	printf("%lld\n",sum);
	return 0;
}

Compiler output:
a.cc:7:13: error: 'N' was not declared in this scope; did you mean 'NR'?
    7 | long long a[N],n;
      |             ^
      |             NR
a.cc: In function 'int main()':
a.cc:13:31: error: 'a' was not declared in this scope
   13 |                 scanf("%lld",&a[i]);
      |                               ^
a.cc:18:24: error: 'a' was not declared in this scope
   18 |                 while((a[r]^tmp)==(a[r]+tmp)&&r<=n)
      |                        ^
a.cc:29:31: error: 'll' was not declared in this scope; did you mean 'l'?
   29 |                         sum+=(ll)(r-l)*(ll)(r-l+1)/(ll)2;
      |                               ^~
      |                               l
a.cc:31:22: error: 'a' was not declared in this scope
   31 |                 tmp^=a[l];
      |                      ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,j,n) for(int i=(int)(j);i<(int)(n);i++)
#define REP(i,j,n) for(int i=(int)(j);i<=(int)(n);i++)
#define MOD 1000000007
#define int long long
#define ALL(a) (a).begin(),(a).end()
#define vi vector<int>
#define vii vector<vi>
#define pii pair<int,int>
#define priq priority_queue<int>
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
#define tii tuple<int,int,int>
signed main(){
  int N; cin>>N;
  vi A(N);
  rep(i,0,N) cin>>A[i];
  int memo=0;
  int ans=0;
  int sum=0;
  int Xor=0;
  for(memo;memo<N;memo++){
      sum+=A[memo];
      Xor^=A[memo];
      if(sum!=Xor){
        sum-=A[memo];
        Xor^=A[memo];
      }
    }
  ans=memo;
  rep(i,1,N){
    sum-=A[i-1];
    XOR^=A[i-1];
    for(memo;memo<N;memo++){
      sum+=A[memo];
      Xor^=A[memo];
      if(sum!=Xor){
        sum-=A[memo];
        Xor^=A[memo];
      }
    }
    ans+=memo-i;
  }
  cout<<ans<<endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:34:5: error: 'XOR' was not declared in this scope; did you mean 'Xor'?
   34 |     XOR^=A[i-1];
      |     ^~~
      |     Xor
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,j,n) for(int i=(int)(j);i<(int)(n);i++)
#define REP(i,j,n) for(int i=(int)(j);i<=(int)(n);i++)
#define MOD 1000000007
#define int long long
#define ALL(a) (a).begin(),(a).end()
#define vi vector<int>
#define vii vector<vi>
#define pii pair<int,int>
#define priq priority_queue<int>
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
#define tii tuple<int,int,int>
signed main(){
  int N; cin>>N;
  vi A(N);
  rep(i,0,N) cin>>A[i];
  int memo=0;
  int ans=0;
  int sum=0;
  int XOR=0;
  for(memo;memo<N;memo++){
      sum+=A[memo];
      Xor^=A[memo];
      if(sum!=Xor){
        sum-=A[memo];
        Xor^=A[memo];
      }
    }
  ans=memo;
  rep(i,1,N){
    sum-=A[i-1];
    XOR^=A[i-1];
    for(memo;memo<N;memo++){
      sum+=A[memo];
      Xor^=A[memo];
      if(sum!=Xor){
        sum-=A[memo];
        Xor^=A[memo];
      }
    }
    ans+=memo-i;
  }
  cout<<ans<<endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:25:7: error: 'Xor' was not declared in this scope; did you mean 'XOR'?
   25 |       Xor^=A[memo];
      |       ^~~
      |       XOR
a.cc:37:7: error: 'Xor' was not declared in this scope; did you mean 'XOR'?
   37 |       Xor^=A[memo];
      |       ^~~
      |       XOR
Language: C++

#include<cstdio>
#include<iostream>
using namespace std;
const int N = 100005;
int n,a[N],tmp;
long long ans;
int main() {
	scanf("%d",&n);
        ans+=n
	for(int i = 1; i <= n; i++) scanf("%d",&a[i]);
	for(int i = 1; i < n; i++) {
		tmp = a[i];
		for(int j = i + 1; j <= n; j++)
			if((tmp ^ a[j]) == (tmp + a[j])) {
				ans++;
				tmp += a[j];
			} else break;
	}
	printf("%lld\n",ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:15: error: expected ';' before 'for'
    9 |         ans+=n
      |               ^
      |               ;
   10 |         for(int i = 1; i <= n; i++) scanf("%d",&a[i]);
      |         ~~~    
a.cc:10:24: error: 'i' was not declared in this scope
   10 |         for(int i = 1; i <= n; i++) scanf("%d",&a[i]);
      |                        ^
Language: C

#include<cstdio>
const int N = 100005;
int n,a[N],tmp;
long long ans;
int main() {
	scanf("%d",&n);
	for(int i = 1; i <= n; i++) scanf("%d",&a[i]);
	for(int i = 1; i < n; i++) {
		tmp = a[i];
		for(int j = i + 1; j <= n; j++)
			if((tmp ^ a[j]) == (tmp + a[j])) {
				ans++;
				tmp += a[j];
			} else break;
	}
	printf("%lld\n",ans+n);
	return 0;
}

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

#include<iostream>
#include<cstdio>
using namespace std;
const int N = 100005;
int n,a[N],tmp;
long long ans;
int main() {
	scanf("%d",&n);
	for(int i = 1; i <= n; i++) scanf("%d",&a[i]);
	for(int i = 1; i < n; i++) {
		tmp = a[i];
		for(int j = i + 1; j <= n; j++)
			if((tmp ^ a[j]) == (tmp + a[j])) {
				ans++;
				tmp += a[j];
			} else break;
	}
	printf("%lld\n",ans+n);
	return 0;
}

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

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

#define pb push_back
#define all(x) (x).begin(),(x).end()
#define SZ(x) ((int)(x).size())
#define REP(i,n) for(int _n=n, i=0;i<_n;++i)
#define FOR(i,a,b) for(int i=(a),_b=(b);i<=_b;++i)
#define FORD(i,a,b) for(int i=(a),_b=(b);i>=_b;--i)
#define trav(a, x) for (auto& a : x)
using ull = uint64_t;
using ll = int64_t;
using PII = pair<int, int>;
using VI = vector<int>;
#define INF (1ll<<60)

string to_string(string s) { return '"' + s + '"'; }
string to_string(const char* s) { return to_string((string) s); }
string to_string(bool b) { return (b ? "true" : "false"); }
template <typename A, typename B> string to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; }
template <typename A> string to_string(A v) {
bool first = true; string res = "{";
for (const auto &x : v) { if (!first) { res += ", "; } first = false; res += to_string(x); }
res += "}"; return res; }
void debug_out() { cerr << endl; }
template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) {
  cerr << " " << to_string(H); debug_out(T...); }
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)

int main() {
    ios::sync_with_stdio(false), cin.tie(0);
    int N;
    cin >> N;
    VI V(N);
    REP(i, N) cin >> V[i];
    int idx = 0, b = 0;
    ll ans = 0;
    REP(i, N) {
        while (a & b) {
            b ^= V[idx];
            idx++;
        }
        b ^= V[i];
        ans += i - idx + 1;
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:16: error: 'a' was not declared in this scope
   40 |         while (a & b) {
      |                ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int n,l,r,ans;
long long ai[200005],sum[200005],xsum[200005];
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%lld",&ai[i]);
		sum[i]=sum[i-1]+ai[i];
		xsum[i]=xsum[i-1]^ai[i];
	}
	sum = xsum = ai[1];
	r=1;
	for(l=1;l<=n;l++){
		while(r<=n&&(sum[r]-sum[l-1])==(xsum[r]^xsum[l-1])){
			r++;
		}
		r--;
		ans += (r-l+1);
	}
	printf("%d\n",ans);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: incompatible types in assignment of 'long long int' to 'long long int [200005]'
   12 |         sum = xsum = ai[1];
      |               ~~~~~^~~~~~~
Language: C++

using namespace std;
int h[200005],yh[200005];
int ans;
int main() {    
	int n,x;    
	scanf("%d",&n);    
	h[0]=0;
	yh[0]=0;    
	for(int i=1;i<=n;i++)    
	{        
		scanf("%d",&x);        
		h[i]=h[i-1]+x;        
		yh[i]=yh[i-1]^x;    
	}    
	int l=1;    
	ans=0;    
	for(int r=1;r<=n;r++)    
	{        
		while((h[r]-h[l-1])!=(yh[r]^yh[l-1])) l++;        
		ans+=r-l+1;    
	}    
	printf("%d\n",ans);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'scanf' was not declared in this scope
    6 |         scanf("%d",&n);
      |         ^~~~~
a.cc:22:9: error: 'printf' was not declared in this scope
   22 |         printf("%d\n",ans);
      |         ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | using namespace std;
Language: C++

#include<iostream>
#include<cstdio>
#include<cstring>
#include<vector>
#include<cmath>
#include<algorithm>
#include<queue>

const int inf=0x3f3f3f3f;
const int inin=0x80808080;
using namespace std;
int main()
{
    int n;
    while(~scanf("%d",&n))
    {
        ll num[200005];
        for(int i=0; i<n; i++)
            scanf("%lld",&num[i]);
        int r=0;
        ll sum0 = 0,sum1 = 0,ans = 0;
        for(int l=0; l<n; l++)
        {
            //r=l;
            while((sum0^num[r])==(sum1+num[r])&&r<n)
            {
                sum0 ^= num[r];
                sum1 += num[r++];
            }
            ans+=(r-l);
            sum0 ^= num[l];
            sum1 -= num[l];
        }
        printf("%lld\n",ans);
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:9: error: 'll' was not declared in this scope
   17 |         ll num[200005];
      |         ^~
a.cc:19:27: error: 'num' was not declared in this scope; did you mean 'enum'?
   19 |             scanf("%lld",&num[i]);
      |                           ^~~
      |                           enum
a.cc:21:11: error: expected ';' before 'sum0'
   21 |         ll sum0 = 0,sum1 = 0,ans = 0;
      |           ^~~~~
      |           ;
a.cc:25:20: error: 'sum0' was not declared in this scope
   25 |             while((sum0^num[r])==(sum1+num[r])&&r<n)
      |                    ^~~~
a.cc:25:25: error: 'num' was not declared in this scope; did you mean 'enum'?
   25 |             while((sum0^num[r])==(sum1+num[r])&&r<n)
      |                         ^~~
      |                         enum
a.cc:25:35: error: 'sum1' was not declared in this scope
   25 |             while((sum0^num[r])==(sum1+num[r])&&r<n)
      |                                   ^~~~
a.cc:30:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
   30 |             ans+=(r-l);
      |             ^~~
      |             abs
a.cc:31:13: error: 'sum0' was not declared in this scope
   31 |             sum0 ^= num[l];
      |             ^~~~
a.cc:31:21: error: 'num' was not declared in this scope; did you mean 'enum'?
   31 |             sum0 ^= num[l];
      |                     ^~~
      |                     enum
a.cc:32:13: error: 'sum1' was not declared in this scope
   32 |             sum1 -= num[l];
      |             ^~~~
a.cc:34:25: error: 'ans' was not declared in this scope; did you mean 'abs'?
   34 |         printf("%lld\n",ans);
      |                         ^~~
      |                         abs
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int N = 200100;

long long ret; 
long long n,a[N];
int main(){
    scanf("%lld",&n);
    for(int i=1; i<=n; i++){4
2 5 4 6
    	scanf("%lld",&a[i]);
	}
    long long j=0,sum=0,xorsum=0;
	for(int i=1; i<=n; i++){
    	while(j+1<=n&&sum+a[j+1]==xorsum^a[j+1]){
    		sum=sum+a[j+1];
		    xorsum=xorsum^a[j+1]; 
			j++;
		}
		ret+=j-i+1;
		sum-=a[i];
		xorsum^=a[i];
		printf("%d %d\n",i,j); 
	}
	printf("%lld",ret); 
	return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:9:30: error: expected ';' before numeric constant
    9 |     for(int i=1; i<=n; i++){4
      |                              ^
      |                              ;
   10 | 2 5 4 6
      | ~