criyle/codenet-compile-errors huggingface dataset:
Language: Java

import java.util.*;
public class Main {
	
	public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);
		int N = 0,S = 0,E = 0,W = 0;
		String s = scanner.nextLine();
		for(int i = 0; i < s.length(); i++){
			if (s.charAt(i) =='N') {
				N++;
			}else if (s.charAt(i) =='E'){
				E++;
			}else if (s.charAt(i) =='W'){
				W++;
			}else if (s.charAt(i) =='S'){
				S++;
			}
		}
		if(((N >= 1 && S >= 1) || (N == 0 && S == 0)) && ((W >= 1 && E >= 1) || (W == 0 && E == 0))){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
	}

Compiler output:
Main.java:25: error: reached end of file while parsing
	}
	 ^
1 error
Language: C++

using System;
using System.Collections.Generic;

class Program {
    static void Main(string[] args){
        string s = Console.ReadLine();
        Dictionary<char, int> map = new Dictionary<char, int>();
        map['N'] = map['S'] = map['W'] = map['E'] = 0; 
        foreach(var e in s){
            map[e] = map[e] + 1;
        }
        bool b1 = (map['W']*map['E'] == 0 && (map['W']!=0 || map['E']!=0));
        bool b2 = (map['N']*map['S'] == 0 && (map['N']!=0 || map['S']!=0));
        if( b1 || b2){
            Console.WriteLine("No");
        } else {
            Console.WriteLine("Yes");
        }
    }
}

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Collections.Generic;
      |       ^~~~~~
a.cc:5:22: error: 'string' has not been declared
    5 |     static void Main(string[] args){
      |                      ^~~~~~
a.cc:5:31: error: expected ',' or '...' before 'args'
    5 |     static void Main(string[] args){
      |                               ^~~~
a.cc:20:2: error: expected ';' after class definition
   20 | }
      |  ^
      |  ;
a.cc: In static member function 'static void Program::Main(int*)':
a.cc:6:9: error: 'string' was not declared in this scope
    6 |         string s = Console.ReadLine();
      |         ^~~~~~
a.cc:7:9: error: 'Dictionary' was not declared in this scope
    7 |         Dictionary<char, int> map = new Dictionary<char, int>();
      |         ^~~~~~~~~~
a.cc:7:20: error: expected primary-expression before 'char'
    7 |         Dictionary<char, int> map = new Dictionary<char, int>();
      |                    ^~~~
a.cc:8:9: error: 'map' was not declared in this scope
    8 |         map['N'] = map['S'] = map['W'] = map['E'] = 0;
      |         ^~~
a.cc:9:17: error: 'var' was not declared in this scope
    9 |         foreach(var e in s){
      |                 ^~~
a.cc:9:9: error: 'foreach' was not declared in this scope
    9 |         foreach(var e in s){
      |         ^~~~~~~
a.cc:15:13: error: 'Console' was not declared in this scope
   15 |             Console.WriteLine("No");
      |             ^~~~~~~
a.cc:17:13: error: 'Console' was not declared in this scope
   17 |             Console.WriteLine("Yes");
      |             ^~~~~~~
Language: Java

/*
 * Copyright © 2016. Throput Limited. All rights reserved.
 * Unless otherwise indicated, this file is subject to the 
 * terms and conditions specified in the 'LICENSE.txt' file,
 * which is part of this source code package.
 */

import java.util.*;

/**
 *
 * @author thomaslee
 */
public class WannaGoBackHome {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String dirs = sc.next();
        int e = 0;
        int s = 0;
        int w = 0;
        int n = 0;
        for (char dir : dirs.toCharArray()) {
            switch (dir) {
                case 'E':
                    e++;
                    break;
                case 'S':
                    s++;
                    break;
                case 'W':
                    w++;
                    break;
                case 'N':
                    n++;
                    break;
                default:
                    System.out.println("No");
                    System.exit(0);
            }
            if (e > 1 && s > 1 && w > 1 && n > 1) {
                System.out.println("Yes");
                System.exit(0);
            }
        }
        System.out.println("No");
    }
}


Compiler output:
Main.java:14: error: class WannaGoBackHome is public, should be declared in a file named WannaGoBackHome.java
public class WannaGoBackHome {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
int a=0,b=0;
string s;
cin>>s;
int l=s.length();
for(i=0;i<l;i++){
if(s[i]=='N')b++;
else if(s[i]=='S')b--;
else if(s[i]=='E')a++;
else a--;
}
if(a==0 && b==0)cout<<"Yes\n";
else cout<<"No\n";
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'i' was not declared in this scope
    8 | for(i=0;i<l;i++){
      |     ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
string s;
cin>>s;
int len=s.size();
int a[300] = {0};
for(int i=0;i<len;i++}
{
a[s[i]]++;
}
if(a['N']!=a['S'])
puts("NO");
else if(a['S']!=a['E'])
puts("NO");
else 
puts("YES");
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:22: error: expected ')' before '}' token
    9 | for(int i=0;i<len;i++}
      |    ~                 ^
      |                      )
a.cc:9:22: error: expected primary-expression before '}' token
a.cc: At global scope:
a.cc:10:1: error: expected unqualified-id before '{' token
   10 | {
      | ^
a.cc:13:1: error: expected unqualified-id before 'if'
   13 | if(a['N']!=a['S'])
      | ^~
a.cc:15:1: error: expected unqualified-id before 'else'
   15 | else if(a['S']!=a['E'])
      | ^~~~
a.cc:17:1: error: expected unqualified-id before 'else'
   17 | else
      | ^~~~
a.cc:19:1: error: expected unqualified-id before 'return'
   19 | return 0;
      | ^~~~~~
a.cc:20:1: error: expected declaration before '}' token
   20 | }
      | ^
Language: Java

import java.util.*;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		String str = sc.next();
		if((str.contains("N") && !str.contains("S")) || (str.contains("S") && !str.contains("N"))){
			System.out.println("NO");
			return;
		}
		if((str.contains("E") && !str.contains("W")) || (str.contains("W") && !str.contains("E"))){
			System.out.println("NO");
			return;
		}
		System.out.println("YES");	 
	}


Compiler output:
Main.java:18: error: reached end of file while parsing
	}
	 ^
1 error
Language: C++

#include <iostream>
#include <algorithm>
#include <fstream>
#include <vector>
#include <deque>
#include <assert.h>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <stdio.h>
#include <string.h>
#include <utility>
#include <math.h>
#include <bitset>
#include <iomanip>
 
using namespace std;
 
#define rep(i, n) for (int i = 0, _n = (int)(n); i < _n; ++i)
 
const int N = (int) 1e5 + 5, mod = 0;
 
int pr[N];
long long a[N];
vector<int> p;
map<long long, int> mp;
long long s[N], o[N];
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    for (int i = 2; i < N; ++i) if (!pr[i]) {
        for (int j = i; j < N; j += i)
            pr[j] = 0;
        p.push_back(i);
    }
    int n;
    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
        long long x = a[i], y = 1, self = 1;
        for (int j : p) {
            if (j * 1ll * j * j > x) {
                break;
            }
            int cnt = 0;
            while (x % j == 0) cnt++, cnt %= 3, x /= j;
            for (int q = 0; q < cnt; ++q)
                self *= j;
            for (int q = 0; q < (3 - cnt) % 3; ++q)
                y *= j;
        }
        self *= x;
        long long sq = sqrt(x);
        int flag = 0;
        for (long long q = sq - 1; q <= sq + 1; ++q)
            if (q * q == x) {
                flag = 1;
                sq = q;
                break;
            }
        if (!flag)
            y *= x * x;
        else
            y *= sq;
        s[i] = self;
        o[i] = y;
        mp[self]++;
        mp[y]--;
    }
    int res = 0;
    for (int i = 0; i < n; ++i) {
        if (mp[s[i]] >= 0) {
            res++;
        }
    }
    cout << res;
 
 
 
 
 


Compiler output:
a.cc: In function 'int main()':
a.cc:76:17: error: expected '}' at end of input
   76 |     cout << res;
      |                 ^
a.cc:29:12: note: to match this '{'
   29 | int main() {
      |            ^
Language: C++

#include <iostream >
#include <string>
using namespace std;

int main(){
string s;
cin>>s;
bool n,s,e,w;
for(int i=0;i<s.length();i++){
    if(s[i]=='W') w=true;
     if(s[i]=='E') e=true;
     if(s[i]=='S') s=true;
     if(s[i]=='N') n=true;
}
if(w^e) cout<<"No\n";
else if(n^s) cout<<"No\n";
else cout<<"Yes\n";
return 0;
}

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

#include <iostream>
#include <string>
using namespace std;

int main()
{
    bool flg[4]={false,false,false,false};
    string S;
    cin >> S;
    for(int i=0;i<S.size();++i){
        if(S[i]=='E') flg[0]=true;
        else if(S[i]=='W') flg[1]=true;
        else if(S[i]=='S') flg[2]=true;
        else if(S[i]=='N') flg[3]=true;
    }
    if(flg[0] == flg[1] && flg[2]==flg[3]) cout << "Yes" << endl;
    else cout << "No" << endl;
    return 0;
}

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<stdlib.h>

int main(void)
{
  int i,n,e;
  char S[];
  scanf("%s\n",S);
  int N = sizeof(S);
  if(1 <= N && N <= 1000) {
    for (i = 1; i <= N; i++) {
      if (S[i] == "N") n = n + 1;
      if (S[i] == "S") n = n - 1;
      if (S[i] == "E") e = e + 1;
      if (S[i] == "W") e = e - 1;
    }
    if (n == 0 && e == 0) {
      printf("yes\n");
    } else {
      printf("no\n");
    }
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:7:8: error: array size missing in 'S'
    7 |   char S[];
      |        ^
main.c:12:16: warning: comparison between pointer and integer
   12 |       if (S[i] == "N") n = n + 1;
      |                ^~
main.c:13:16: warning: comparison between pointer and integer
   13 |       if (S[i] == "S") n = n - 1;
      |                ^~
main.c:14:16: warning: comparison between pointer and integer
   14 |       if (S[i] == "E") e = e + 1;
      |                ^~
main.c:15:16: warning: comparison between pointer and integer
   15 |       if (S[i] == "W") e = e - 1;
      |                ^~
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
import java.math.*;
 
public class Main {
	public static void main(String[] args)throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringBuilder sb = new StringBuilder();
		int n = Integer.parseInt(br.readLine());
		long cnt = 0;
		int[] a = new int[n];
		for(int i = 0; i < n; i++){
			long v = Long.parseLong(br.readLine());
			if(v==0){
				a[i] = 0;
				continue;
			}
			long e = v%2==0 ? v/2 -1 : v/2;
			cnt += e;
			a[i] = v-e*2;
		}
		for(int i = 1; i < n-1; i++){
			int v1 = a[i-1];
			int v2 = a[i];
			int v3 = a[i+1];
			if(v1==1 && v2==1){
				a[i-1]--;
				a[i]--;
				cnt++;
			}else if(v2==1 && v3==1){
				a[i]--;
				a[i+1]--;
				cnt++;
			}else if(v1==1 && v2==2 && v3==1){
				a[i-1]--;
				a[i]-=2;
				a[i+1]--;
				cnt+=2;
			}
		}
		for(int i = 0; i < n; i++){
			if(a[i]==2)
				cnt++;
		}
		sb.append(cnt);
		System.out.println(sb);
	}
}

Compiler output:
Main.java:22: error: incompatible types: possible lossy conversion from long to int
			a[i] = v-e*2;
			        ^
1 error
Language: C++

#include<iostream>
#include<string>
using namespace std;

int main(){
 string S;
 int n=0,s=0,w=0,e=0,yn=0;
 cin>>S;
 for(int i=0;i<S.size();i++){
  if(S[i]=="N"&&n=0){n=1;}
  else if(S[i]=="S"&&s=0){s=1;}
  else if(S[i]=="W"&&w=0){w=1;}
  else if(S[i]=="E"&&e=0){e=1;}
 }
 if(n == s&&w == e){cout<<"Yes"<<endl;}
 else{cout<<"No"<<endl;}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:10: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |   if(S[i]=="N"&&n=0){n=1;}
a.cc:10:15: error: lvalue required as left operand of assignment
   10 |   if(S[i]=="N"&&n=0){n=1;}
a.cc:11:15: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |   else if(S[i]=="S"&&s=0){s=1;}
a.cc:11:20: error: lvalue required as left operand of assignment
   11 |   else if(S[i]=="S"&&s=0){s=1;}
a.cc:12:15: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   12 |   else if(S[i]=="W"&&w=0){w=1;}
a.cc:12:20: error: lvalue required as left operand of assignment
   12 |   else if(S[i]=="W"&&w=0){w=1;}
a.cc:13:15: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |   else if(S[i]=="E"&&e=0){e=1;}
a.cc:13:20: error: lvalue required as left operand of assignment
   13 |   else if(S[i]=="E"&&e=0){e=1;}
Language: Java

/**
 * Created by abhishek on 7/29/2016.
 */
import java.util.*;
import java.io.*;
public class Main {
    public static void main(String[] args)throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str = br.readLine();
        int north= 0,east = 0,west  = 0,south = 0;
        for(int i = 0;i < str.length();i++){
            if(str.charAt(i) == 'N')north++;
            if(str.charAt(i) == 'W')west++;
            if(str.charAt(i) == 'E')east++;
            if(str.charAt(i) == 'S')south++;
        }
        if(north != 0 && south == 0 || south != 0 && north = 0 || east != 0 && west = 0 || west != 0 && east == 0)
            System.out.print("No");
            else System.out.print("Yes");

    }
}


Compiler output:
Main.java:17: error: bad operand types for binary operator '&&'
        if(north != 0 && south == 0 || south != 0 && north = 0 || east != 0 && west = 0 || west != 0 && east == 0)
                                                  ^
  first type:  boolean
  second type: int
Main.java:17: error: bad operand types for binary operator '&&'
        if(north != 0 && south == 0 || south != 0 && north = 0 || east != 0 && west = 0 || west != 0 && east == 0)
                                                                            ^
  first type:  boolean
  second type: int
Main.java:17: error: bad operand types for binary operator '||'
        if(north != 0 && south == 0 || south != 0 && north = 0 || east != 0 && west = 0 || west != 0 && east == 0)
                                                                                        ^
  first type:  int
  second type: boolean
3 errors
Language: C

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

int main() {

	char S[1234] = { '\0' };
	int str_long, x = 0, y = 0, n = -1, w = -1, s = -1, e = -1;
	bool flag = false;

	scanf("%s", &S);
	str_long = strlen(S);

	for (int i = 0; i < str_long - 1; i++) {
		switch (S[i]) {
		case 'N':
			y++;
			n = 1;
			break;

		case 'W':
			x--;
			w = 1;
			break;

		case 'S':
			y--;
			s = 1;
			break;

		case 'E':
			x++;
			e = 1;
			break;
		}
	}

	switch (S[str_long - 1]) {
	case 'N':
		n = 1;
		break;

	case 'W':
		w = 1;
		break;

	case 'S':
		s = 1;
		break;

	case 'E':
		e = 1;
		break;
	}

	/*if (x == 0 && y < 0) {
		if (S[str_long-1] == 'N') {
			flag = true;
		}
	}

	if (x == 0 && y > 0) {
		if (S[str_long-1] == 'S') {
			flag = true;
		}
	}

	if (x < 0 && y == 0) {
		if (S[str_long-1] == 'E') {
			flag = true;
		}
	}

	if (x > 0 && y == 0) {
		if (S[str_long-1] == 'W') {
			flag = true;
		}
	}*/

	if (x == 0) {
		if (n == 1 && s == 1) {
			flag = true;
		}
	}

	if (y == 0) {
		if (w == 1 && e == 1) {
			flag = true;
		}
	}

	if (flag == true) { printf("Yes"); }
	if (flag == false) { printf("No"); }

	// printf("\n%d %d", x, y);

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:9: error: unknown type name 'bool'
    8 |         bool flag = false;
      |         ^~~~
main.c:3:1: note: 'bool' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    2 | #include <string.h>
  +++ |+#include <stdbool.h>
    3 | 
main.c:8:21: error: 'false' undeclared (first use in this function)
    8 |         bool flag = false;
      |                     ^~~~~
main.c:8:21: note: 'false' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
main.c:8:21: note: each undeclared identifier is reported only once for each function it appears in
main.c:81:32: error: 'true' undeclared (first use in this function)
   81 |                         flag = true;
      |                                ^~~~
main.c:81:32: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
Language: C++

#include <iostream>
using namespace std;

int main(){
    int i,n = 0,so = 0,e = 0,w = 0;
    char s;
    
    while(cin >> s)
        if(s == 'N'){
            n += 1;
            //cout << "N" << endl;
        }else if(s == 'S'){
            so += 1;
            //cout << "S" << endl;
        }else if(s == 'W')
            w += 1;
        else
            e += 1;
    }

    if(n - so== 0){
        if(s - w == 0)
            cout << "YES" << endl;
    }else{
            cout << "NO" << endl;
    }
    return 0;
}

Compiler output:
a.cc:21:5: error: expected unqualified-id before 'if'
   21 |     if(n - so== 0){
      |     ^~
a.cc:24:6: error: expected unqualified-id before 'else'
   24 |     }else{
      |      ^~~~
a.cc:27:5: error: expected unqualified-id before 'return'
   27 |     return 0;
      |     ^~~~~~
a.cc:28:1: error: expected declaration before '}' token
   28 | }
      | ^
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<cstring>
#include<cmath>
#include<set>
#include<map>
#include<sstream>
#include<iomanip>
using namespace std;
int main()
{
    ios_base::sync_with_stdio(false);
    string ss;
    cin>>ss;
    set<char> s;
    string sss=ss[0];
   for(int i=1;i<ss.size();i++)
    {
        if(sss[sss.size()-1]!=ss[i])
            sss+=ss[i];
    }
    int x=0,y=0;
    ss=sss;
     for(int i=0;i<ss.size();i++)
    {
        if(ss[i]=='S')
        {
            y--;
        }
        else if(ss[i]=='N')
            y++;
        else if(ss[i]=='W')
            x--;
        else 
            x++;
    }
    if(x==0&&y==0)
    {
        cout<<"Yes"<<endl;
    }
    else
        cout<<"No"<<endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   18 |     string sss=ss[0];
      |                    ^
Language: C++

x = raw_input()
n = x.count('N')
e = x.count('E')
w = x.count('W')
s = x.count('S')

if (n == s) and (e == w):print "Yes"
else: print "No"

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

# include <iostream>
# include <cstdio>
# include <cstring>
using namespace std;
char s[1000+10];
int memo[150];
int main(){
    while(gets(s)!=NULL){
        memset(memo,0,sizeof(memo));
        for(int i = 0;s[i]!='\0';++i){
            if(memo[s[i]] == 0)
                memo[s[i]] = 1;
        }
        if(memo['N'] == 1&&memo['W'] == 1&&memo['E'] == 1&&memo['S'] == 1)
            printf("Yes\n");
        else if(memo['N'] == 1&&memo['W'] == 0&&memo['E'] == 0&&memo['S'] == 1)
            printf("Yes\n");
        else if(memo['N'] == 0&&memo['W'] == 1&&memo['E'] == 1&&memo['S'] == 0)
            printf("Yes\n");
        else
            printf("No\n");
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: 'gets' was not declared in this scope; did you mean 'getw'?
    8 |     while(gets(s)!=NULL){
      |           ^~~~
      |           getw
Language: C

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

int main(void){
	int i=0;
	int n=0,w=0;
	char s[1001];
	scanf("%s",s);
	
	for(;strlen(s)>=i ;i++){
		if(s[i]=='N')n++;
		if(s[i]=='S')n--;
		if(s[i]=='W')w++;
		if(s[i]=='E')w--;
	}
	if(n==0&&w==0){
		printf("Yes\n");
	}else{
		printf("No\n");
	}
	
	return 0;

Compiler output:
main.c: In function 'main':
main.c:22:9: error: expected declaration or statement at end of input
   22 |         return 0;
      |         ^~~~~~
Language: C

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

int main(void){
  char S[1000];
  int i, len;
  int x = 0;
  int y = 0;
  
  scanf("%s", S);
  len= stlen(S);
  for (i = 0; i <= len; i++){
    if(S[i] == 'N'){
      x++;
    }
    if(S[i] == 'S'){
      x--;
    }
    if(S[i] == 'W'){
      y--;
    }
    if(S[i] == 'E'){
      y++;
    }
  }
  if(x == 0 && y == 0){
    printf("Yes");
  }else{
    printf("No");
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:8: error: implicit declaration of function 'stlen'; did you mean 'strlen'? [-Wimplicit-function-declaration]
   11 |   len= stlen(S);
      |        ^~~~~
      |        strlen
Language: C++

# include <iostream>
# include <cstdio>
# include <cstring>
using namespace std;
char s[1000+10];
int memo[150];
int main(){
    while(gets(s)){
        memset(memo,0,sizeof(memo));
        for(int i = 0;s[i]!='\0';++i){
            if(memo[s[i]] == 0)
                memo[s[i]] = 1;
        }
        if(memo['N'] == 1&&memo['W'] == 1&&memo['E'] == 1&&memo['S'] == 1)
            printf("Yes\n");
        else if(memo['N'] == 1&&memo['W'] == 0&&memo['E'] == 0&&memo['S'] == 1)
            printf("Yes\n");
        else if(memo['N'] == 0&&memo['W'] == 1&&memo['E'] == 1&&memo['S'] == 0)
            printf("Yes\n");
        else
            printf("No\n");
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: 'gets' was not declared in this scope; did you mean 'getw'?
    8 |     while(gets(s)){
      |           ^~~~
      |           getw
Language: C++

# include <cstdio>
# include <cstring>
char s[1000+10];
int memo[150];
int main(){
    while(gets(s)){
        memset(memo,0,sizeof(memo));
        for(int i = 0;s[i]!='\0';++i){
            if(memo[s[i]] == 0)
                memo[s[i]] = 1;
        }
        if(memo['N'] == 1&&memo['W'] == 1&&memo['E'] == 1&&memo['S'] == 1)
            printf("Yes\n");
        else if(memo['N'] == 1&&memo['W'] == 0&&memo['E'] == 0&&memo['S'] == 1)
            printf("Yes\n");
        else if(memo['N'] == 0&&memo['W'] == 1&&memo['E'] == 1&&memo['S'] == 0)
            printf("Yes\n");
        else
            printf("No\n");
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:11: error: 'gets' was not declared in this scope; did you mean 'getw'?
    6 |     while(gets(s)){
      |           ^~~~
      |           getw
Language: C++

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

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef pair<int, int> pii;
typedef long long ll;
typedef unsigned long long ull;

#define all(a)  (a).begin(),(a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define pb push_back
#define mp make_pair
#define loop(i,a,b) for(ull i=(a);i<ull(b);++i)
#define rep(i,n) loop(i,0,n)
#define iter(i,c) for(auto i=(c).begin(); i!=(c).end(); ++i)
#define riter(i,c) for(auto i=(c).rbegin(); i!=(c).rend(); ++i)

const double eps = 1e-10;
const double pi  = acos(-1.0);
const double inf = (int)1e8;

#define clr(a,i) memset((a), (i) ,sizeof(a))

int main(){
  string s;
  int in,iw,is,ie;
  in=iw=is=ie=0;
  std::cin >> s;
  rep(i,s.size()){
    if(s[i]=='N') in++;
    if(s[i]=='S') is++;
    if(s[i]=='W') iw++;
    if(s[i]=='E') ie++;
  }
  if(in==0&&is=0&&iw==0&&ie==0){
    std::cout << "YES" << std::endl;
  }else if(in>0&&is>0&&iw==0&&ie==0){
    std::cout << "YES" << std::endl;
  }else if(iw>0&&ie>0&&in==0&&is==0){
    std::cout << "YES" << std::endl;
  }else if(iw>0&&ie>0&&in>0&&is>0){
    std::cout << "YES" << std::endl;
  }
  else{
    std::cout << "NO" << std::endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:11: error: lvalue required as left operand of assignment
   39 |   if(in==0&&is=0&&iw==0&&ie==0){
      |      ~~~~~^~~~
Language: C++

#include <iostream>
#include <string>
#include <alogorithm>
#include <vector>
#include <set>
#include <map>
#include <utility>
#include <tuple>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
#define rep(i,a,n)	for(int i=a;i<n;i++)
#define rrep(i,a,n)	for(int i=a;i>=n;i--)
#define mp make_pair
#define pb push_back
#define mt make_tuple
#define fst first
#define scn second
int main(){
	string s;	cin>>s;
	bool n=false,w=false,s=false,e=false;
	for(int i=0;i<s.size();i++){
		if(s[i]=#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <utility>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
#define rep(i,a,n)	for(int i=a;i<n;i++)
#define rrep(i,a,n)	for(int i=a;i>=n;i--)
#define mp make_pair
#define pb push_back
#define mt make_tuple
#define fst first
#define scn second
int main(){
	string str;	cin>>str;
	bool n=false,w=false,s=false,e=false;
	for(int i=0;i<str.size();i++){
		if(str[i]=='N')	n=true;
		else if(str[i]=='W')	w=true;
		else if(str[i]=='S')	s=true;
		else if(str[i]=='E')	e=true;
	}
	if(n^s||e^w){
		cout<<"NO"<<endl;
	}
	else cout<<"YES"<<endl;
	return 0;
}
="N")	n=true;
		else if(s[i]=="W")	w=true;
		else if(s[i]=="S")	s=true;
		else if(s[i]=="E")	e=true;
	}
	if(n^s||e^w){
		cout<<"NO"<<endl;
	}
	else cout<<"YES"<<endl;
	return 0;
}


Compiler output:
a.cc:3:10: fatal error: alogorithm: No such file or directory
    3 | #include <alogorithm>
      |          ^~~~~~~~~~~~
compilation terminated.
Language: C++

#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <iostream>
#include <cstdio>
#include <cmath>
#include <cstring>
using namespace std;
typedef pair<int,int> P;
int a;
char a[1001];
int w,n,s,e;
int main()
{
	cin>>a;
    scanf("%s",a);
   for(int i=0;i<n;i++){
    if(a[i]=='W') w++;
   else if(a[i]=='E') e++;
 else if(a[i]=='N') n++;
 else s++;
  if((!(!w)==!e)||(!(!n)==!s)) puts("No");
 else puts("Yes");
}
}

Compiler output:
a.cc:14:6: error: conflicting declaration 'char a [1001]'
   14 | char a[1001];
      |      ^
a.cc:13:5: note: previous declaration as 'int a'
   13 | int a;
      |     ^
a.cc: In function 'int main()':
a.cc:21:9: error: invalid types 'int[int]' for array subscript
   21 |     if(a[i]=='W') w++;
      |         ^
a.cc:22:13: error: invalid types 'int[int]' for array subscript
   22 |    else if(a[i]=='E') e++;
      |             ^
a.cc:23:11: error: invalid types 'int[int]' for array subscript
   23 |  else if(a[i]=='N') n++;
      |           ^
Language: C++

#include <iostream>
#include <string>
using namespace std;

int main(){
	string s;
	cin >> s;
	int x = 0, y = 0;
	for(int i = 0; i < s.length(); i++){
		if(s.at(i) == 'N') y++;
		else if(s.at(i) == 'S') y--;
		else if((s.at(i) == 'E')) x++;
		else x--
	}
	if(x == 0 && y == 0) cout << "Yes";
	else cout << "No";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:25: error: expected ';' before '}' token
   13 |                 else x--
      |                         ^
      |                         ;
   14 |         }
      |         ~
Language: Java

import java.util.Scanner;

public class A {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int ns = 0;
        int we = 0;

        String str = sc.nextLine();

        for (int i = 0, max = str.length(); i < max; i++) {
            char ch = str.charAt(i);

            if(ch == 'N') {
                ns++;
            } else if (ch == 'W') {
                we--;
            } else if(ch == 'S') {
                ns--;
            } else if(ch == 'E'){
                we++;
            }
        }

        if (ns == 0 && we == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
}

Compiler output:
Main.java:3: error: class A is public, should be declared in a file named A.java
public class A {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
	string str;
	cin >> str;
	int x = 0, y = 0;
	for (int unsigned i = 0; i < s.size(); i++) {
		if (s[i] == 'S') y++;
		if (s[i] == 'N') y--;
		if (s[i] == 'W') x++;
		if (s[i] == 'E') x--;
	}
	if (x == 0 && y == 0) {
		cout << "Yes" << endl;
	}
	else {
		cout << "No" << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:38: error: 's' was not declared in this scope
    7 |         for (int unsigned i = 0; i < s.size(); i++) {
      |                                      ^
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<cstring>
#include<cmath>
#include<set>
#include<map>
#include<sstream>
#include<iomanip>
using namespace std;
int main()
{
    ios_base::sync_with_stdio(false);
    string ss;
    cin>>ss;
    int x=0,y=0;
    for(int i=0;i<ss.size();i++)
    {
        if(ss[i]=='S')
        {
            y--;
        }
        else if(ss[i]=='N')
            y++;
        else if(ss[i]=='W')
            x--;
        else 
            x++
    }
    if(x==0&&y==0)
    {
        cout<<"Yes"<<endl;
    }
    else
        cout<<"No"<<endl;
    
    
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:16: error: expected ';' before '}' token
   29 |             x++
      |                ^
      |                ;
   30 |     }
      |     ~
Language: C++

#include <iostream>

#include <stack>
#include <queue>
#include <deque>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>

#include <cmath>
#include <algorithm>

#include <fstream>

using namespace std;

#define M_PI 3.14159265358979323846264338327950288


int main()
{
  srand(179179);

  cin.tie(nullptr);
  ios_base::sync_with_stdio(false);

  cout.setf(ios_base::fixed);
  cout.precision(28);

  string S;
  cin >> S;
  map<char, int> m;
  for (auto& x : S) {
    ++m[x];
  }
  if (m.size() == 4 || (m.size() == 2 && (m['S'] > 0 && m['N'] > 0 || m['E'] > 0 && m['W'] > 0)) {
    cout << "YES\n";
  } else {
    cout << "NO\n";
  }
  return 0;
}

Compiler output:
a.cc:19:9: warning: "M_PI" redefined
   19 | #define M_PI 3.14159265358979323846264338327950288
      |         ^~~~
In file included from /usr/include/c++/14/cmath:47,
                 from a.cc:12:
/usr/include/math.h:1121:10: note: this is the location of the previous definition
 1121 | # define M_PI           3.14159265358979323846  /* pi */
      |          ^~~~
a.cc: In function 'int main()':
a.cc:38:97: error: expected ';' before '{' token
   38 |   if (m.size() == 4 || (m.size() == 2 && (m['S'] > 0 && m['N'] > 0 || m['E'] > 0 && m['W'] > 0)) {
      |                                                                                                 ^~
      |                                                                                                 ;
a.cc:40:5: error: expected primary-expression before 'else'
   40 |   } else {
      |     ^~~~
a.cc:40:4: error: expected ')' before 'else'
   40 |   } else {
      |    ^~~~~
      |    )
a.cc:38:6: note: to match this '('
   38 |   if (m.size() == 4 || (m.size() == 2 && (m['S'] > 0 && m['N'] > 0 || m['E'] > 0 && m['W'] > 0)) {
      |      ^
Language: C++

#include <cstdio>
#include <cstring>
using namespace std;

const int N = 1000500;

char buf[N];
bool was[256];

int main() {
    gets(buf);
    int n = strlen(buf);
    for (int i = 0; i < n; i++) {
        was[buf[i]] = true;
    }
    bool ans = was['N'] == was['S'] && was['E'] == was['W'];
    puts(ans ? "Yes" : "No");
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'gets' was not declared in this scope; did you mean 'getw'?
   11 |     gets(buf);
      |     ^~~~
      |     getw
Language: C++

// {{{ by shik
#include <bits/stdc++.h>
#include <unistd.h>
#define SZ(x) ((int)(x).size())
#define ALL(x) begin(x),end(x)
#define REP(i,n) for ( int i=0; i<int(n); i++ )
#define REP1(i,a,b) for ( int i=(a); i<=int(b); i++ )
#define FOR(it,c) for ( auto it=(c).begin(); it!=(c).end(); it++ )
#define MP make_pair
#define PB push_back
using namespace std;
typedef long long LL;
typedef pair<int,int> PII;
typedef vector<int> VI;

#ifdef SHIK
template<typename T>
void _dump( const char* s, T&& head ) { cerr<<s<<"="<<head<<endl; }

template<typename T, typename... Args>
void _dump( const char* s, T&& head, Args&&... tail ) {
    int c=0;
    while ( *s!=',' || c!=0 ) {
        if ( *s=='(' || *s=='[' || *s=='{' ) c++;
        if ( *s==')' || *s==']' || *s=='}' ) c--;
        cerr<<*s++;
    }
    cerr<<"="<<head<<", ";
    _dump(s+1,tail...);
}

#define dump(...) do { \
    fprintf(stderr, "%s:%d - ", __PRETTY_FUNCTION__, __LINE__); \
    _dump(#__VA_ARGS__, __VA_ARGS__); \
} while (0)

template<typename Iter>
ostream& _out( ostream &s, Iter b, Iter e ) {
    s<<"[";
    for ( auto it=b; it!=e; it++ ) s<<(it==b?"":" ")<<*it;
    s<<"]";
    return s;
}

template<typename A, typename B>
ostream& operator <<( ostream &s, const pair<A,B> &p ) { return s<<"("<<p.first<<","<<p.second<<")"; }
template<typename T>
ostream& operator <<( ostream &s, const vector<T> &c ) { return _out(s,ALL(c)); }
template<typename T, size_t N>
ostream& operator <<( ostream &s, const array<T,N> &c ) { return _out(s,ALL(c)); }
template<typename T>
ostream& operator <<( ostream &s, const set<T> &c ) { return _out(s,ALL(c)); }
template<typename A, typename B>
ostream& operator <<( ostream &s, const map<A,B> &c ) { return _out(s,ALL(c)); }
#else
#define dump(...)
#endif

template<typename T>
void _R( T &x ) { cin>>x; }
void _R( int &x ) { scanf("%d",&x); }
void _R( long long &x ) { scanf("%" PRId64,&x); }
void _R( double &x ) { scanf("%lf",&x); }
void _R( char &x ) { scanf(" %c",&x); }
void _R( char *x ) { scanf("%s",x); }

void R() {}
template<typename T, typename... U>
void R( T& head, U&... tail ) {
    _R(head);
    R(tail...);
}

template<typename T>
void _W( const T &x ) { cout<<x; }
void _W( const int &x ) { printf("%d",x); }
template<typename T>
void _W( const vector<T> &x ) {
    for ( auto i=x.cbegin(); i!=x.cend(); i++ ) {
        if ( i!=x.cbegin() ) putchar(' ');
        _W(*i);
    }
}

void W() {}
template<typename T, typename... U>
void W( const T& head, const U&... tail ) {
    _W(head);
    putchar(sizeof...(tail)?' ':'\n');
    W(tail...);
}

#ifdef SHIK
#define FILEIO(...)
#else
#define FILEIO(name) do {\
    freopen(name ".in","r",stdin); \
    freopen(name ".out","w",stdout); \
} while (0)
#endif

// }}}

const int N=1010;
int n;
char s[N];
const char *t="NWSE";
int main() {
    n=strlen(gets(s));
    bool b[4]={};
    REP(i,n) b[strchr(t,s[i])-t]=1;
    if ( (b[0]^b[2]) || (b[1]^b[3]) ) W("No");
    else W("Yes");
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:109:14: error: 'gets' was not declared in this scope; did you mean 'getw'?
  109 |     n=strlen(gets(s));
      |              ^~~~
      |              getw
Language: C++

#include <bits/stdc++.h>
using namespace std;
int x = 0, y = 0;

int main() {
    string s;
    cin >> s;
    for (int i = 0; i < s.size(); i++) {
        if (s[i] == "N") y++;
        else if (s[i] == "S") y--;
        else if (s[i] == "E") x++;
        else x--;
    }
    if (x == 0 && y == 0) cout << "Yes" << endl;
    else cout << "No" << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:18: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |         if (s[i] == "N") y++;
a.cc:10:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |         else if (s[i] == "S") y--;
a.cc:11:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |         else if (s[i] == "E") x++;
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main() {
	int n; cin >> n;
	vector<int> a(n + 1, 0);
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
	}

	int res = 0;
	int curr = 0;
	bool ct = 1;

	for (int i = 1; i <= n; i++) {
		int ds = a[i];
		int prs = (ds + curr) / 2;
		res += prs;
		if (y == 0) {
			curr =  0;
		} else {
			curr = (ds + curr) % 2;
		}
		// cout << prs << " pairs\n";
	}
	cout << res << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:21: error: 'y' was not declared in this scope
   20 |                 if (y == 0) {
      |                     ^
Language: C++

// -----------------------------------
// author   : MatsuTaku
// country  : Japan
// created  : 09/11/20 07:34:59
// -----------------------------------

#include <bits/stdc++.h>
#include <atcoder/all>

using namespace std;
using ll = long long;

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

  int n; cin>>n;
  vector<int> A(n); for (auto& a:A) cin>>a;
  int ans = 0;
  for (int i = 1; i < n; i++) {
    int add = min(A[i-1], A[i]);
    ans += add;
    A[i] -= add;
    ans += (A[i-1]-add)/2;
  }
  ans += A[n-1]/2;
  cout << ans << endl;

  return 0;
}


Compiler output:
a.cc:8:10: fatal error: atcoder/all: No such file or directory
    8 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

// -----------------------------------
// author   : MatsuTaku
// country  : Japan
// created  : 09/11/20 07:34:59
// -----------------------------------

#include <bits/stdc++.h>
#include <atcoder/all>

using namespace std;
using ll = long long;

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

  int n; cin>>n;
  vector<int> A(n); for (auto& a:A) cin>>a;
  int ans = 0;
  for (int i = 1; i < n; i++) {
    int add = min(A[i-1], A[i]);
    ans += add;
    A[i] -= add;
    ans += (A[i-1]-add)/2;
  }
  ans += A[i]/2;
  cout << ans << endl;

  return 0;
}


Compiler output:
a.cc:8:10: fatal error: atcoder/all: No such file or directory
    8 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

https://atcoder.jp/contests/agc003/submit?taskScreenName=#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<int,int>;
#define rep(i,s,n) for(int i = s; i < (int)(n); i++)

int main() {
  int n;
  cin >> n;
  ll ans = 0;
  vector<bool>o(n);
  rep(i,0,n){
    int a;
    cin >> a;
    ans += a/2;
    if(a%2 == 1) o[i] = 1;
    if(i > 0){
      if(o[i-1] && o[i]){
        ans++;
        o[i] = 0;
        o[i-1] = 0;
      }
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc:1:1: error: 'https' does not name a type
    1 | https://atcoder.jp/contests/agc003/submit?taskScreenName=#include <bits/stdc++.h>
      | ^~~~~
a.cc:4:11: error: 'pair' does not name a type
    4 | using P = pair<int,int>;
      |           ^~~~
a.cc: In function 'int main()':
a.cc:9:3: error: 'cin' was not declared in this scope
    9 |   cin >> n;
      |   ^~~
a.cc:11:3: error: 'vector' was not declared in this scope
   11 |   vector<bool>o(n);
      |   ^~~~~~
a.cc:11:10: error: expected primary-expression before 'bool'
   11 |   vector<bool>o(n);
      |          ^~~~
a.cc:16:18: error: 'o' was not declared in this scope
   16 |     if(a%2 == 1) o[i] = 1;
      |                  ^
a.cc:18:10: error: 'o' was not declared in this scope
   18 |       if(o[i-1] && o[i]){
      |          ^
a.cc:25:3: error: 'cout' was not declared in this scope
   25 |   cout << ans << endl;
      |   ^~~~
a.cc:25:18: error: 'endl' was not declared in this scope
   25 |   cout << ans << endl;
      |                  ^~~~
Language: C++

#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define si short int
#define speed ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define pill pair<ll,ll>
#define f first
#define s second
#define pilc pair<ll,char>
#define all(a) (a).begin(),(a).end()
#define rep(s,e,step) for(int i = (s); i < (e) ; i += step)
#define vrep(s,e,step) for(int j = (s); j < (e) ; j += step)
#define ex exit(0)
#define sz(a) (a).size()
 
 
using namespace std;
 
const ll N = 4e5;
const ll big = 1e18;
const ll block = 800;
const ll mod = 1e6;
 
ll n;
ll a[N], b[N], dp[N], ans;
int main() {
	speed;
	cin >> n;
	for(int i = 2; i <= n + 1; i++)
		cin >> a[i];
	for(int i = 2; i <= n + 1; i++) {
		ans += a[i] / 2;
		a[i] % = 2;
		if(a[i + 1] && a[i])
			ans++, ans[i + 1]--;
	}
	cout << ans << '\n';
}
 
/*
4
1 2 3 4
*/

Compiler output:
a.cc: In function 'int main()':
a.cc:33:24: error: expected primary-expression before '=' token
   33 |                 a[i] % = 2;
      |                        ^
a.cc:35:35: error: invalid types 'long long int[int]' for array subscript
   35 |                         ans++, ans[i + 1]--;
      |                                   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
#define int long long
 
vector<int> a;
int n;
 
signed main() {
    cin >> n;
  	int suma = 0;
  	int ans = 0;
    for(int i = 0;i < n;i++){
        int j;cin >> j;
        if(j == 0){
          ans += suma/2;
          suma = 0;
          continue;
        }
        suma += j;
    }
   	ans += suma/2;
    cout << ans << endl;
	return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:24:18: error: expected '}' at end of input
   24 |         return 0;
      |                  ^
a.cc:9:15: note: to match this '{'
    9 | signed main() {
      |               ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
#define int long long
 
vector<int> a;
int n;
int ans = 0;
 
signed main() {
    cin >> n;
  	int suma = 0;
  	int ans = 0;
    for(int i = 0;i < n;i++){
        int j;cin >> j;
        if(j == 0){
          ans += suma/2;
          suma = 0;
          continue;
        }
        suma += j;
    }
   	ans += suma/2;
    cout << ans << endl;
	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:25:18: error: expected '}' at end of input
   25 |         return 0;
      |                  ^
a.cc:10:15: note: to match this '{'
   10 | signed main() {
      |               ^
Language: C++

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

int main(){
  int N;
  cin>>N;
  long long ans=0;
  int A[N+1];
  int B[N+1];

  for(int i=1;i<=N;i++){
    cin>>A[i];
  }
  for(int i=1;i<=N;i++){
    B[i]=0;
  }
  for(int i=1;i<=N;i++){
    ans+=A[i]/2;
    if(A[i]%2 ==1){
      B[i]=1;
    }
  }  
  for(int i=1;i<N;i++){
    if(B[i]==1 && B[i+1]==1){
      ans++;
      B[i+1]=0;
    }
  }
  cout<<setprecisitn(20)<<ans<<endl;
  return 0;
}

 

Compiler output:
a.cc: In function 'int main()':
a.cc:29:9: error: 'setprecisitn' was not declared in this scope
   29 |   cout<<setprecisitn(20)<<ans<<endl;
      |         ^~~~~~~~~~~~
Language: C++

using LL = long long;
 
int main() {

  int N;
  cin >> N;

  vector<LL> A(N + 1, 0);
  for (int i = 0; i < N; i++) cin >> A[i];

  LL ans = 0;
  for (int i = 0; i < N; i++) {
    ans += A[i] / 2;
    A[i] %= 2;
    if (A[i] & (A[i + 1] > 0)) {
      ans++;
      A[i + 1]--;
    }
  }

  cout << ans;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> N;
      |   ^~~
a.cc:8:3: error: 'vector' was not declared in this scope
    8 |   vector<LL> A(N + 1, 0);
      |   ^~~~~~
a.cc:8:12: error: expected primary-expression before '>' token
    8 |   vector<LL> A(N + 1, 0);
      |            ^
a.cc:8:14: error: 'A' was not declared in this scope
    8 |   vector<LL> A(N + 1, 0);
      |              ^
a.cc:21:3: error: 'cout' was not declared in this scope
   21 |   cout << ans;
      |   ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
struct edge {
    int to;     // 辺の行き先
    int weight; // 辺の重み
    edge(int t, int w) : to(t), weight(w) { }
};
using Graph = vector<vector<int>>;
using dou =long double;
string Yes="Yes";
string YES="YES";
string NO="NO";
string No="No";
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; }
#define rep(i, n)         for(int i = 0; i < (int)(n); i++)
#define brep(n)           for(int bit=0;bit<(1<<n);bit++)
#define erep(i,container) for (auto i : container)
#define irep(i, n)        for(int i = n-1; i >= (int)0; i--)
#define rrep(i,m,n) for(int i = m; i < (int)(n); i++)
#define reprep(i,j,h,w) rep(i,h)rep(j,w)
#define all(x) (x).begin(),(x).end()
#define aall(x,n) (x).begin(),(x).begin()+(n)
#define VEC(type,name,n) std::vector<type> name(n);rep(i,n)std::cin >> name[i];
#define pb push_back
#define pf push_front
#define lb lower_bound
#define ub upper_bound
#define res resize
#define as assign
#define fi first
#define se second
#define itn int
#define mp make_pair
#define sum(a) accumulate(all(a),0ll)
#define keta fixed<<setprecision
#define vvector(name,typ,m,n,a)vector<vector<typ> > name(m,vector<typ> (n,a))
#define vvvector(name,t,l,m,n,a) vector<vector<vector<t> > > name(l, vector<vector<t> >(m, vector<t>(n,a)));
#define vvvvector(name,t,k,l,m,n,a) vector<vector<vector<vector<t> > > > name(k,vector<vector<vector<t> > >(l, vector<vector<t> >(m, vector<t>(n,a)) ));
 
typedef long long ll;
const int INF = 2000000000;
const ll INF64 = 922337203685477580ll;
const int mod = 1000000007ll;
const ll  MOD = 1000000007LL;


int main(){
    int n;
    std::cin >> n;
    VEC(ll,a,n);
    ll ans=a[0]/2;
    a[0]%=2;
    rrep(i,1,n){
        //if(a[i-1])a[i]++;
        (if(a[i]!=0))a[i]+=a[i-1];
        ans+=a[i]/2;
        a[i]%=2;
    }
    std::cout << ans << std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:56:10: error: expected primary-expression before 'if'
   56 |         (if(a[i]!=0))a[i]+=a[i-1];
      |          ^~
a.cc:56:10: error: expected ')' before 'if'
   56 |         (if(a[i]!=0))a[i]+=a[i-1];
      |         ~^~
      |          )
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<iomanip>
#include<algorithm>
#include<queue>
#include<stack>
#include<list>
#include<map>
#include<deque>
#include<math.h>
using namespace std;
#define ll long long
int main(){
    ll N,A;
    cin >> N;
    ll i;
    ll ans=0;
    ll t=0;
    for(i=0;i<N;i++){
        cin >> A;
        ans+=(A+t)/2;
        if(A!=0)t=(A+t)%2;else 
    }
    cout << ans;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:5: error: expected primary-expression before '}' token
   24 |     }
      |     ^
Language: C++

    #include<iostream>
    #include<stdio.h>
    //#include <bits/stdc++.h>
    #include<vector>
    #include<float.h>
    #include<iomanip>
    #include<algorithm>
    #include<string>
    #include<cstring>
    #include<math.h>
    #include<cmath>
    #include<sstream>
    #include<set>
    #include<map>
    #include<queue>
    #include <cassert>
    #include <cmath>
    #include<cstdint>

    #define INF 1e9
    #define rep(i,n)for(int i=0;(i)<(int)(n);i++)
    #define REP(i,a,b)for(int i=(int)(a);(i)<=(int)(b);i++)
    #define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;
    #define vec(type,n) vector<type>(n)
    #define vvec(m,n) vector<vector<int>> (int(m),vector<int>(n))

    using namespace std;
    using ll = long long;
    using Graph = vector<vector<int>>;
    using P = pair<int,int>;

    ll cmb(ll n,int a,int mod){
        ll res = 1;
        rep(i,a){
            res *= (n-i);
            res /= (i+1);
            res %= mod;
        }
        return res;
    }

    ll mod_pow(ll x,ll n,ll mod){
        ll res = 1;
        while(n>0){
            if(n&1)res = res*x%mod;
            x = x*x%mod;
            n >>= 1;
        }
        return res;
    }

    int main(){
      int n;cin>>n;
      VEC(ll,a,n);
      int res = 0;
      auto f = vec(int,n);
      rep(i,n){
          if(a[i]%2==1)f[i] = 1;
          res += a[i]/2;
      }
      rep(i,n-1){
          if(f[i] == 1 && f[i+1] == 1){
              res++;
              i++
          }
      }
      cout<<res;
    }
    


Compiler output:
a.cc: In function 'int main()':
a.cc:64:18: error: expected ';' before '}' token
   64 |               i++
      |                  ^
      |                  ;
   65 |           }
      |           ~