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

import java.util.Scanner;
import java.util.stream.Collectors;

public class Main {
    public static void main(String[] args) {
        Scanner stdin = new Scanner(System.in);
        int h = stdin.nextInt();
        int w = stdin.nextInt();
        int n = stdin.nextInt();
        int[] a = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = stdin.nextInt();
        }
        
        int[] color = new int[h * w];
        int k = 0;
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < a[i]; j++) {
                color[k + j] = i + 1;
            }
            k += a[i];
        }

        int[][] matrix = new int[h][w];
        int x = 0;
        int y = 0;
        int d = 1;
        for (int i = 0; i < h * w; i++) {
            matrix[x][y] = color[i];
            if (d == 1 && y == w - 1) {
                x += 1;
                d = -1;
            } else if (d == -1 && y == 0) {
                x += 1;
                d = 1;
            } else {
                y += d;
            }
        }
        
        for (int i = 0; i < h; i++) {
            String line = Arrays.stream(matrix[i]).mapToObj(Integer::toString).collect(Collectors.joining(" "));
            System.out.println(line);
        }
    }
}


Compiler output:
Main.java:42: error: cannot find symbol
            String line = Arrays.stream(matrix[i]).mapToObj(Integer::toString).collect(Collectors.joining(" "));
                          ^
  symbol:   variable Arrays
  location: class Main
1 error
Language: C++

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


int main(){

    
    int h, w, n, i, j, t;

    int f = 1;

    map<int, int> mp;

    int a[101][101];


    cin >> h >> w >> n;

    for( i = 1 ; i <= n ; i = i + 1 ){

         cin >> t;

         mp[i] = t;

         }


    for( i = 0 ; i < h ; i = i + 1 ){

         for( j = 0 ; j < w ; j = j + 1 ){

              if( mp[f] > 0 ){ 

                  a[i][j] = f;

                  mp[f] -= 1;

                  }

               else if( mp[f] == 0 ){

                        f += 1;

                        a[i][j] = f;

                        mp[f] -= 1;

                        }

               }

          }


 
    for( i = 0 ; i < h ; i = i + 1 ){

         for( j = 0 ; j < w ; j = j + 1 ){

              if( i % 2 == 1 ) cout << a[i][w - 1 - j] << " " ;

              else cout << a[i][j] << " " ;

              }

         cout << endl;

         }



    return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:72:14: error: expected '}' at end of input
   72 |     return 0;
      |              ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define MM 1000000000
#define MOD MM+7
#define MAX 10000
#define MAP 100
#define Pair pair<int,int>

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

int main(){
    int H,W; cin >> H >> W;
    int N; cin >> N;
    int a[N];
    for(int i = 0; i < N; i++) cin >> a[i];
    int masu[H][W];
    for(int i = 0; i < H; i++){
        for(int j = 0; j < W; j++){
            masu[i][j] = 0;
        }
    }
    int pointer = 0;
    for(int i = 0; i < H; i++){
        int ans[W];
        if(i%2 == 0){
            for(int j = 0; j < W; j++){
                ans[j] = pointer + 1;
                a[pointer]--;
                if(a[pointer] == 0) pointer++;
            }
        } else {
            for(int j = w-1; j >= 0; j--){
                ans[j] = pointer+1;
                a[pointer]--;
                if(a[pointer] == 0) pointer++;
            }
        }
        for(int j = 0; j < w-1; j++) cout << ans[j] << " ";
        cout << ans[W-1] << endl;
    }
}





Compiler output:
a.cc: In function 'int main()':
a.cc:34:25: error: 'w' was not declared in this scope
   34 |             for(int j = w-1; j >= 0; j--){
      |                         ^
a.cc:40:28: error: 'w' was not declared in this scope
   40 |         for(int j = 0; j < w-1; j++) cout << ans[j] << " ";
      |                            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define MM 1000000000
#define MOD MM+7
#define MAX 10000
#define MAP 100
#define Pair pair<int,int>

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

int main(){
    int H,W; cin >> H >> W;
    int N; cin >> N;
    int a[N];
    for(int i = 0; i < N; i++) cin >> a[i];
    int masu[H][W];
    for(int i = 0; i < H; i++){
        for(int j = 0; j < W; j++){
            masu[i][j] = 0;
        }
    }
    int pointer = 0;
    for(int i = 0; i < H; i++){
        int ans[w];
        if(i%2 == 0){
            for(int j = 0; j < W; j++){
                ans[j] = pointer + 1;
                a[pointer]--;
                if(a[pointer] == 0) pointer++;
            }
        } else {
            for(int j = w-1; j >= 0; j--){
                ans[j] = pointer+1;
                a[pointer]--;
                if(a[pointer] == 0) pointer++;
            }
        }
        for(int j = 0; j < w-1; j++) cout << ans[j] << " ";
        cout << ans[w-1] << endl;
    }
}





Compiler output:
a.cc: In function 'int main()':
a.cc:26:17: error: 'w' was not declared in this scope
   26 |         int ans[w];
      |                 ^
a.cc:29:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   29 |                 ans[j] = pointer + 1;
      |                 ^~~
      |                 abs
a.cc:35:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   35 |                 ans[j] = pointer+1;
      |                 ^~~
      |                 abs
a.cc:40:46: error: 'ans' was not declared in this scope; did you mean 'abs'?
   40 |         for(int j = 0; j < w-1; j++) cout << ans[j] << " ";
      |                                              ^~~
      |                                              abs
a.cc:41:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   41 |         cout << ans[w-1] << endl;
      |                 ^~~
      |                 abs
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define MM 1000000000
#define MOD MM+7
#define MAX 10000
#define MAP 100
#define Pair pair<int,int>

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

int main(){
    int H,W; cin >> H >> W;
    int N; cin >> N;
    int a[N];
    for(int i = 0; i < N; i++) cin >> a[i];
    int masu[H][W];
    for(int i = 0; i < H; i++){
        for(int j = 0; j < W; j++){
            masu[i][j] = 0;
        }
    }
    for(int i = 0; i < H; i++){
        int ans[w];
        if(i%2 == 0){
            for(int j = 0; j < W; j++){
                ans[j] = pointer + 1;
                a[pointer]--;
                if(a[pointer] == 0) pointer++;
            }
        } else {
            for(int j = w-1; j >= 0; j--){
                ans[j] = pointer+1;
                a[pointer]--;
                if(a[pointer] == 0) pointer++;
            }
        }
        for(int j = 0; j < w-1; j++) cout << ans[j] << " ";
        cout << ans[w-1] << endl;
    }
}





Compiler output:
a.cc: In function 'int main()':
a.cc:25:17: error: 'w' was not declared in this scope
   25 |         int ans[w];
      |                 ^
a.cc:28:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   28 |                 ans[j] = pointer + 1;
      |                 ^~~
      |                 abs
a.cc:28:26: error: 'pointer' was not declared in this scope
   28 |                 ans[j] = pointer + 1;
      |                          ^~~~~~~
a.cc:34:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   34 |                 ans[j] = pointer+1;
      |                 ^~~
      |                 abs
a.cc:34:26: error: 'pointer' was not declared in this scope
   34 |                 ans[j] = pointer+1;
      |                          ^~~~~~~
a.cc:39:46: error: 'ans' was not declared in this scope; did you mean 'abs'?
   39 |         for(int j = 0; j < w-1; j++) cout << ans[j] << " ";
      |                                              ^~~
      |                                              abs
a.cc:40:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   40 |         cout << ans[w-1] << endl;
      |                 ^~~
      |                 abs
Language: C

#include <bits/stdc++.h>

using namespace std;
typedef pair <int, int> pii;

const int maxn = 10001;

int h,w,a[maxn],p=1,n;
stack <int> v;
void input();
void solve();

int main(){
	input();
	solve();
	
	return 0;
}
void input(){
	cin>>h>>w>>n;
	for (int i=1;i<=n;i++){
		cin>>a[i];
	}
}
void solve(){
	for (int j=0;j<h;j++){
		if (j%2==0){
			for (int i=0;i<w;i++){
				if (a[p]>1){
					cout<<p<<" ";
					a[p]--;
				}
				else{
					cout<<p<<" ";
					a[p]--;
					p++;
				}
			}
		}
		else{
			for (int i=0;i<w;i++){
				if (a[p]>1){
					v.push(p);
					a[p]--;
				}
				else{
					v.push(p);
					a[p]--;
					p++;
				}
			}
			for (int i=0;i<w;i++){
				cout<<v.top()<<" ";
				v.pop();
			}
		}
		cout<<endl;
	}
}

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

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
	int H, W;
	cin >> H >> W;
	int N;
	cin >> N;
	int a[N + 10];
	int c[10001];
	for (int i = 0; i < N; i++) {
		cin >> a[i];
	}
	int cnt=0;
	for (int i = 0; i<H*W; i++) {
		c[i]=x+1;
		cnt++;
      	a[x]--;
      	if(a[x]==0) x++;
	}
  	cnt=0;
  	for(int i=0; i<H*W; i++){
      cout<<c[i]<<" ";
      cnt++;
      if(cnt%W==0){cout<<endl; sort(c+W,c+2*W); reverse(c+W,c+2*W);}
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:22: error: 'x' was not declared in this scope
   16 |                 c[i]=x+1;
      |                      ^
Language: C++

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

const int mxhw = 101;
int fld[mxhw][mxhw];

int main() {
    int H, W;
    cin >> H >> W;
    int N;
    cin >> N;
    vector<int> a(N);
    for(int i = 0; i < N; i++) cin >> a[i];
    
    memset(fld, -1, sizeof(fld));

    int car = 0;
    for(int i = 0; i < H; i++) {
        for(int j = 0; j < W; j++) {
            if(a[car] <= 0) car++;
            if(i%2 == 0) fld[i][j] = car + 1;
            else fld[i][W-1-j] = car + 1;
            a[car]--;
        }
    }

    for(int i = 0; i < H; i++) {
        for(int j = 0; j < W; j++) {
            cout << fld[i][j] << " ";
        }
        cout << endl;
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:5: error: 'memset' was not declared in this scope
   16 |     memset(fld, -1, sizeof(fld));
      |     ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<vector>
  +++ |+#include <cstring>
    3 | using namespace std;
Language: C

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<set>
using namespace std;
typedef long long LL;
const int INF=0x3f3f3f3f;
const int MAXN=1e5+5;
int a[MAXN];
int G[105][105];

int main()
{
    int h,w;
    while(scanf("%d%d",&h,&w)!=EOF)
    {
        int n;
        scanf("%d",&n);
        for(int i=1;i<=n;++i)
            scanf("%d",&a[i]);
        int cnt=1;
        for(int i=1;i<=h;++i)
        {
            if(i&1)
            {
                for(int j=1;j<=w;++j)
                {
                   if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                   else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }else
            {
                for(int j=w;j>=1;--j)
                {
                    if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                    else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }
        }
        for(int i=1;i<=h;++i)
        {
            for(int j=1;j<=w;++j)
            {
                if(j!=w) printf("%d ",G[i][j]);
                else printf("%d\n",G[i][j]);
            }
        }
    }
    return 0;
}


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

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<set>
using namespace std;
typedef long long LL;
const int INF=0x3f3f3f3f;
const int MAXN=1e5+5;
int a[MAXN];
int G[105][105];

int main()
{
    int h,w;
    while(scanf("%d%d",&h,&w)!=EOF)
    {
        int n;
        scanf("%d",&n);
        for(int i=1;i<=n;++i)
            scanf("%d",&a[i]);
        int cnt=1;
        for(int i=1;i<=h;++i)
        {
            if(i&1)
            {
                for(int j=1;j<=w;++j)
                {
                   if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                   else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }else
            {
                for(int j=w;j>=1;--j)
                {
                    if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                    else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }
        }
        for(int i=1;i<=h;++i)
        {
            for(int j=1;j<=w;++j)
            {
                if(j!=w) printf("%d ",G[i][j]);
                else printf("%d\n",G[i][j]);
            }
        }
    }
    return 0;
}
1

Compiler output:
a.cc:53:1: error: expected unqualified-id before numeric constant
   53 | 1
      | ^
Language: C++

#include<algorithm>  
#include<iostream>  
#include<cstdio>  
#include<cmath>  
using namespace std;  
int n,a[100005], b[5];  
int main(){  
    scanf("%d", &n);  
    for( int i = 1; i <= n; i++ ) scanf("%d", &a[i]);  
    for( int i = 1; i <= n; i++ ){  
        if( a[i] & 1 ){ b[1]++; continue; }  
        if( a[i]%4 == 0 ) b[4]++;  
        else if( a[i]%2 == 0 ) b[2]++ 
    }  
    if( !b[2] && b[1] > b[4]+1 ) { puts("No"); return 0;}  
    if(  b[2] && b[1] > b[4] ) { puts("No"); return 0;}  
    puts("Yes");  
    return 0;  
}  

Compiler output:
a.cc: In function 'int main()':
a.cc:13:38: error: expected ';' before '}' token
   13 |         else if( a[i]%2 == 0 ) b[2]++
      |                                      ^
      |                                      ;
   14 |     }
      |     ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int h,l;
int sumn;
int x,y;
int answer[200][200];

int main()
{
    cin>>h>>l>>sumn;
    x=1,y=1;
    for(int i=1; i<=sumn; i++)
    {
        int count;
        cin>>count;
        while(count--)
        {
            answer[x][y]=i;
            if(y==h&&x%2==1)
                {y=h;x++;}
            else if(y==1&&x%2==0)
                {y=1;x++;}
            else if(x&1)
                y++;
            else
                y--;
        }
    }
    for(int i=1; i<=l; i++)
        for(int j=1; j<=l; j++)
            {
			 printf("%d%c",ans[i][j],j==c?'\n':' ');
        	}
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:40: error: 'ans' was not declared in this scope; did you mean 'abs'?
   32 |                          printf("%d%c",ans[i][j],j==c?'\n':' ');
      |                                        ^~~
      |                                        abs
a.cc:32:53: error: 'c' was not declared in this scope
   32 |                          printf("%d%c",ans[i][j],j==c?'\n':' ');
      |                                                     ^
Language: C

#include<stdio.h>
int main ()  
{ 
    int a[200][200],b[40000];   
    int h,w;  
    while(true)  
    {  
        scanf("%d %d",&h,&w);
        int i,j,n,s=0;  
        scanf("%d",&n);  
        for(i=0;i<n;i++)  
            scanf("%d",&b[i]);  
        for(i=0;i<h;i++)  
        {  
            if(i%2==0)  
                for(j=0;j<w;j++)  
                {  
                    a[i][j]=s+1;  
                    b[s]--;  
                    if(b[s]==0)  
                        s++;  
                }  
            if(i%2==1)  
                for(j=w-1;j>=0;j--)  
                {  
                    a[i][j]=s+1;  
                    b[s]--;  
                    if(b[s]==0)  
                        s++;  
                }  
        }  
        for(i=0;i<h;i++)  
        {  
            for(j=0;j<w-1;j++)  
                printf("%d ",a[i][j]);  
            printf("%d\n",a[i][w-1]);  
        }  
    }  
} 

Compiler output:
main.c: In function 'main':
main.c:6:11: error: 'true' undeclared (first use in this function)
    6 |     while(true)
      |           ^~~~
main.c:2:1: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    1 | #include<stdio.h>
  +++ |+#include <stdbool.h>
    2 | int main ()
main.c:6:11: note: each undeclared identifier is reported only once for each function it appears in
    6 |     while(true)
      |           ^~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <cmath>
#include <fstream>
#include <ctime>
#include <time.h>
#include <queue>
#include <memory.h>
#include <vector>
#include <algorithm>
#include <numeric>
#include <conio.h>
#define PI 3.1415927

using namespace std;
const int maxn=1e5+5;
int a[maxn];
int g[105][105];

int main()
{
    int h,w;
    while(scanf("%d%d",&h,&w)!=EOF)
    {
        int n;
        scanf("%d",&n);
        for(int i=1;i<=n;++i)
            scanf("%d",&a[i]);
        int cnt=1;
        for(int i=1;i<=h;++i)
        {
            if(i&1)
            {
                for(int j=1;j<=w;++j)
                {
                   if(a[cnt]>0) {g[i][j]=cnt;--a[cnt];}
                   else if(a[cnt]==0) {++cnt;g[i][j]=cnt;--a[cnt];}
                }
            }else
            {
                for(int j=w;j>=1;--j)
                {
                    if(a[cnt]>0) {g[i][j]=cnt;--a[cnt];}
                    else if(a[cnt]==0) {++cnt;g[i][j]=cnt;--a[cnt];}
                }
            }
        }
        for(int i=1;i<=h;++i)
        {
            for(int j=1;j<=w;++j)
            {
                if(j!=w) printf("%d ",g[i][j]);
                else printf("%d\n",g[i][j]);
            }
        }
    }
}

Compiler output:
a.cc:15:10: fatal error: conio.h: No such file or directory
   15 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <windows.h>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <string>
#include <cmath>
#include <fstream>
#include <ctime>
#include <time.h>
#include <queue>
#include <memory.h>
#include <vector>
#include <algorithm>
#include <numeric>
#include <conio.h>
#define PI 3.1415927

using namespace std;
const int maxn=1e5+5;
int a[maxn];
int g[105][105];

int main()
{
    int h,w;
    while(scanf("%d%d",&h,&w)!=EOF)
    {
        int n;
        scanf("%d",&n);
        for(int i=1;i<=n;++i)
            scanf("%d",&a[i]);
        int cnt=1;
        for(int i=1;i<=h;++i)
        {
            if(i&1)
            {
                for(int j=1;j<=w;++j)
                {
                   if(a[cnt]>0) {g[i][j]=cnt;--a[cnt];}
                   else if(a[cnt]==0) {++cnt;g[i][j]=cnt;--a[cnt];}
                }
            }else
            {
                for(int j=w;j>=1;--j)
                {
                    if(a[cnt]>0) {g[i][j]=cnt;--a[cnt];}
                    else if(a[cnt]==0) {++cnt;g[i][j]=cnt;--a[cnt];}
                }
            }
        }
        for(int i=1;i<=h;++i)
        {
            for(int j=1;j<=w;++j)
            {
                if(j!=w) printf("%d ",g[i][j]);
                else printf("%d\n",g[i][j]);
            }
        }
    }
}

Compiler output:
a.cc:2:10: fatal error: windows.h: No such file or directory
    2 | #include <windows.h>
      |          ^~~~~~~~~~~
compilation terminated.
Language: C++

typedef long long LL;
const int INF=0x3f3f3f3f;
const int MAXN=1e5+5;
int a[MAXN];
int G[105][105];

int main()
{
    int h,w;
    while(scanf("%d%d",&h,&w)!=EOF)
    {
        int n;
        scanf("%d",&n);
        for(int i=1;i<=n;++i)
            scanf("%d",&a[i]);
        int cnt=1;
        for(int i=1;i<=h;++i)
        {
            if(i&1)
            {
                for(int j=1;j<=w;++j)
                {
                   if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                   else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }else
            {
                for(int j=w;j>=1;--j)
                {
                    if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                    else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }
        }
        for(int i=1;i<=h;++i)
        {
            for(int j=1;j<=w;++j)
            {
                if(j!=w) printf("%d ",G[i][j]);
                else printf("%d\n",G[i][j]);
            }
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: 'scanf' was not declared in this scope
   10 |     while(scanf("%d%d",&h,&w)!=EOF)
      |           ^~~~~
a.cc:10:32: error: 'EOF' was not declared in this scope
   10 |     while(scanf("%d%d",&h,&w)!=EOF)
      |                                ^~~
a.cc:1:1: note: 'EOF' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | typedef long long LL;
a.cc:39:26: error: 'printf' was not declared in this scope
   39 |                 if(j!=w) printf("%d ",G[i][j]);
      |                          ^~~~~~
a.cc:39:26: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
a.cc:40:22: error: 'printf' was not declared in this scope
   40 |                 else printf("%d\n",G[i][j]);
      |                      ^~~~~~
a.cc:40:22: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: C++

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

int main()
{
	int p,q,n,j,k;
	cin>>p>>q>>n;
	l=1;
	int a[10010],map[110][110];
    for(int i=1;i<=n;i++)
    {
    	cin>>a[i];
    }
    for(int i=1;i<=p;i++)
    {
        if(i%2==1) j=1;
        else j=q;
        while(j>=1&&j<=q)
        {
            while(a[l]<=0) l++;
            if(a[l]>0)
            {
                map[i][j]=l;
                a[l]--;
                if(i%2==1) 
				{
					j++;
				}
                else 
					j--;
            }
        }
    }
    for(int i=1;i<=q;i++)
    {
        for(int j=1;j<=q;j++)
        {
            cout<<map[i][j];
        }
        cout<<endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'l' was not declared in this scope
    9 |         l=1;
      |         ^
Language: C


//考试
#include<iostream>
using namespace std;
int a[10005];
int b[10005];
int main()
{
    int h,w;
    int n;
    cin>>h>>w;
    cin>>n;
    for(int i=1; i<= n; i++)
        cin>>b[i];
    int flag = 1;
    int j = 1;
    for (int i = 1; i <= n; i++)
    {
        while (b[i] > 0)
        {
            a[j] = flag;
            j++;
            b[i]--;
        }
        flag++;
    }
    for (int i = 1; i <= h; i++)
    {
        if (i % 2 == 1)
        {
            for (int p = w*(i - 1) + 1; p <= i*w; p++)
            {
                cout << a[p] << " ";
            }
            if (i != h)
                cout << endl;
        }
        else if (i % 2 == 0)
        {
            for (int p = w*i; p >= w*(i - 1) + 1; p--)
            {
                cout << a[p] << " ";
            }
            if (i != h)
                cout << endl;
        }
    }
    return 0;
}

Compiler output:
main.c:3:9: fatal error: iostream: No such file or directory
    3 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>  
   
int a[105][105],b[10000+50];  
   
int main ()  
{  
    int h,w;  
    while(scanf("%d %d",&h,&w)!=EOF)  
    {  
        int i,j,t,k=0;  
        scanf("%d",&t);  
        for(i=0;i<t;i++)  
            scanf("%d",&b[i]);  
        for(i=0;i<h;i++)  
        {  
            if(i%2==0)  
                for(j=0;j<w;j++)  
                {  
                    a[i][j]=k+1;  
                    b[k]--;  
                    if(b[k]==0)  
                        k++;  
                }  
            if(i%2==1)  
                for(j=w-1;j>=0;j--)  
                {  
                    a[i][j]=k+1;  
                    b[k]--;  
                    if(b[k]==0)  
                        k++;  
                }  
        }  
        for(i=0;i<h;i++)  
        {  
            for(j=0;j<w-1;j++)  
                printf("%d ",a[i][j]);  
            printf("%d\n",a[i][w-1]);  
        }  
    }  


Compiler output:
main.c: In function 'main':
main.c:39:5: error: expected declaration or statement at end of input
   39 |     }
      |     ^
Language: C++

#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>
using namespace std;
typedef long long LL;
int a[100050];
int G[105][105];

int main()
{
    int h,w;
    while(scanf("%d%d",&h,&w)!=EOF)
    {
        int n;
		cin>>n;
        for(int i=1;i<=n;++i)  cin>>a[i];
        int tmp=1;
        for(int i=1;i<=h;++i)
        {
            if(i&1)
            {
                for(int j=1;j<=w;++j)
                {
                   if(a[tmp]>0){
                   		G[i][j]=tmp;
                   		a[tmp]-=1;
				   } 
                   else if(a[cnt]==0){
                   		tmp++;
                   		G[i][j]=tmp;
                   		a[tmp]-=1;
				   } 
                }
            }else
            {
                for(int j=w;j>=1;--j)
                {
                    if(a[tmp]>0) {G[i][j]=tmp;--a[tmp];}
                    else if(a[tmp]==0) {++tmp;G[i][j]=tmp;--a[tmp];}
                }
            }
        }
        for(int i=1;i<=h;++i)
        {
            for(int j=1;j<=w;++j)
            {
                if(j!=w) cout<<G[i][j]<<' ';
                else cout<<G[i][j]<<endl;
            }
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:30: error: 'cnt' was not declared in this scope; did you mean 'int'?
   29 |                    else if(a[cnt]==0){
      |                              ^~~
      |                              int
Language: C++

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<set>
using namespace std;
typedef long long LL;
const int INF=0x3f3f3f3f;
const int MAXN=1e5+5;
int a[MAXN];
int G[105][105];

int main()
{
    int a,w;
    while(scanf("%d%d",&a,&w)!=EOF)
    {
        int n;
        scanf("%d",&n);
        for(int i=1;i<=n;++i)
            scanf("%d",&a[i]);
        int cnt=1;
        for(int i=1;i<=a;++i)
        {
            if(i&1)
            {
                for(int j=1;j<=w;++j)
                {
                   if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                   else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }else
            {
                for(int j=w;j>=1;--j)
                {
                    if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                    else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }
        }
        for(int i=1;i<=a;++i)
        {
            for(int j=1;j<=w;++j)
            {
                if(j!=w) printf("%d ",G[i][j]);
                else printf("%d\n",G[i][j]);
            }
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:26: error: invalid types 'int[int]' for array subscript
   22 |             scanf("%d",&a[i]);
      |                          ^
a.cc:30:24: error: invalid types 'int[int]' for array subscript
   30 |                    if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
      |                        ^
a.cc:30:49: error: invalid types 'int[int]' for array subscript
   30 |                    if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
      |                                                 ^
a.cc:31:29: error: invalid types 'int[int]' for array subscript
   31 |                    else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
      |                             ^
a.cc:31:61: error: invalid types 'int[int]' for array subscript
   31 |                    else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
      |                                                             ^
a.cc:37:25: error: invalid types 'int[int]' for array subscript
   37 |                     if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
      |                         ^
a.cc:37:50: error: invalid types 'int[int]' for array subscript
   37 |                     if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
      |                                                  ^
a.cc:38:30: error: invalid types 'int[int]' for array subscript
   38 |                     else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
      |                              ^
a.cc:38:62: error: invalid types 'int[int]' for array subscript
   38 |                     else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
      |                                                              ^
Language: C

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<set>
using namespace std;
typedef long long LL;
const int INF=0x3f3f3f3f;
const int MAXN=1e5+5;
int a[MAXN];
int G[105][105];

int main()
{
    int h,w;
    while(scanf("%d%d",&h,&w)!=EOF)
    {
        int n;
        scanf("%d",&n);
        for(int i=1;i<=n;++i)
            scanf("%d",&a[i]);
        int cnt=1;
        for(int i=1;i<=h;++i)
        {
            if(i&1)
            {
                for(int j=1;j<=w;++j)
                {
                   if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                   else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }else
            {
                for(int j=w;j>=1;--j)
                {
                    if(a[cnt]>0) {G[i][j]=cnt;--a[cnt];}
                    else if(a[cnt]==0) {++cnt;G[i][j]=cnt;--a[cnt];}
                }
            }
        }
        for(int i=1;i<=h;++i)
        {
            for(int j=1;j<=w;++j)
            {
                if(j!=w)  cout<<G[i][j];
                else printf("%d\n",G[i][j]);
            }
        }
    }
    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 MP make_pair
 #define PB push_back
 typedef long long LL;
 typedef pair<int,int> PII;
 const double eps=1e-8;
 const double pi=acos(-1.0);
 const int K=1e6+7;
 const int mod=1e9+7;
  
 int r,c,n,x,y,ans[200][200];
  
 int main(void)
 {
     scanf("%d%d%d",&r,&c,&n);
     x=1,y=1;
     for(int i=1,cnt;i<=n;i++)
     {
         scanf("%d",&cnt);
         while(cnt--)
         {
             ans[x][y]=i;
             if(y==c&&x%2==1)
                 y=c,x++;
             else if(y==1&&x%2==0)
                 y=1,x++;
             else if(x&1)
                 y++;
             else
                 y--;
         }
     }
     for(int i=1;i<=r;i++)
     for(int j=1;j<=c;j++)
         printf("%d%c",ans[i][j],j==c?'\n':' ');
     return 0;
 }

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

int a[105][105],b[10000+50];  
   
int main ()  
{  
    int h,w;  
    while(scanf("%d %d",&h,&w)!=EOF)  
    {  
        int i,j,t,k=0;  
        scanf("%d",&t);  
        for(i=0;i<t;i++)  
            scanf("%d",&b[i]);  
        for(i=0;i<h;i++)  
        {  
            if(i%2==0)  
                for(j=0;j<w;j++)  
                {  
                    a[i][j]=k+1;  
                    b[k]--;  
                    if(b[k]==0)  
                        k++;  
                }  
            if(i%2==1)  
                for(j=w-1;j>=0;j--)  
                {  
                    a[i][j]=k+1;  
                    b[k]--;  
                    if(b[k]==0)  
                        k++;  
                }  
        }  
        for(i=0;i<h;i++)  
        {  
            for(j=0;j<w-1;j++)  
                printf("%d ",a[i][j]);  
            printf("%d\n",a[i][w-1]);  
        }  
    }  
}  



Compiler output:
main.c: In function 'main':
main.c:6:11: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    6 |     while(scanf("%d %d",&h,&w)!=EOF)
      |           ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int a[105][105],b[10000+50];
main.c:6:11: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    6 |     while(scanf("%d %d",&h,&w)!=EOF)
      |           ^~~~~
main.c:6:11: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:6:33: error: 'EOF' undeclared (first use in this function)
    6 |     while(scanf("%d %d",&h,&w)!=EOF)
      |                                 ^~~
main.c:6:33: note: 'EOF' is defined in header '<stdio.h>'; this is probably fixable by adding '#include <stdio.h>'
main.c:6:33: note: each undeclared identifier is reported only once for each function it appears in
main.c:34:17: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   34 |                 printf("%d ",a[i][j]);
      |                 ^~~~~~
main.c:34:17: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:34:17: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:34:17: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:35:13: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   35 |             printf("%d\n",a[i][w-1]);
      |             ^~~~~~
main.c:35:13: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C++

#include <algorithm>
#include <cstdio>
#include <cstring>
#include <map>
#include <queue>
#include <vector>
#include <cstdlib>
#include <set>
using namespace std;
int a[105][105],b[10050];
int main ()
{
    int h,w;
    while(scanf("%d %d",&h,&w)!=EOF)
    {
        int i,j,t,k=0;
        cin>>t;
        for(i=0;i<t;i++)
            cin>>b[i];
        for(i=0;i<h;i++)
        {
            if(i%2==0)
                for(j=0;j<w;j++)
                {
                    a[i][j]=k+1;
                    b[k]--;
                    if(b[k]==0)
                        k++;
                }
            if(i%2==1)
                for(j=w-1;j>=0;j--)
                {
                    a[i][j]=k+1;
                    b[k]--;
                    if(b[k]==0)
                        k++;
                }
        }
        for(i=0;i<h;i++)
        {
            for(j=0;j<w-1;j++)
                cout<<a[i][j];
            cout<<a[i][w-1]<<endl;
        }
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:9: error: 'cin' was not declared in this scope
   17 |         cin>>t;
      |         ^~~
a.cc:9:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    8 | #include <set>
  +++ |+#include <iostream>
    9 | using namespace std;
a.cc:42:17: error: 'cout' was not declared in this scope
   42 |                 cout<<a[i][j];
      |                 ^~~~
a.cc:42:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:43:13: error: 'cout' was not declared in this scope
   43 |             cout<<a[i][w-1]<<endl;
      |             ^~~~
a.cc:43:13: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:43:30: error: 'endl' was not declared in this scope
   43 |             cout<<a[i][w-1]<<endl;
      |                              ^~~~
a.cc:9:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    8 | #include <set>
  +++ |+#include <ostream>
    9 | using namespace std;
Language: C++

#include<bits/stdc++.h>

#define INF 1e9
#define llINF 1e18
#define MOD 1e9+7
#define pb push_back
#define mp make_pair 
#define F first
#define S second
#define ll long long
using namespace std;
int main(){
  int h,w;cin>>h>>w;
  int n;cin>>n;
  int ans[h][w];
  bool muki=true;
  int cnt=0;
  for(int i=0;i<h;i++)ans[i]="";
  for(int i=0;i<n;i++){
    int num;cin>>num;
    for(int j=0;j<num;j++){
      char c='0'+i+1;
      if(muki){
	ans[gyou][cnt]=i+1;
	cnt++;
	if(cnt==w){
	  muki=false;
	  cnt=0;
	  gyou++;
	}
      }else{
	ans[gyou][w-cnt-1]=i+1;
	cnt++;
	if(cnt==w){
	  muki=true;
	  cnt=0;
	  gyou++;
	}
      }
    }
  }
  for(int i=0;i<h;i++){
    for(int j=0;j<w;j++){
      cout<<ans[i][j];
      if(j!=w-1)
	cout<<" ";
    }
    cout<<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:29: error: incompatible types in assignment of 'const char [1]' to 'int [w]'
   18 |   for(int i=0;i<h;i++)ans[i]="";
      |                       ~~~~~~^~~
a.cc:24:13: error: 'gyou' was not declared in this scope
   24 |         ans[gyou][cnt]=i+1;
      |             ^~~~
a.cc:32:13: error: 'gyou' was not declared in this scope
   32 |         ans[gyou][w-cnt-1]=i+1;
      |             ^~~~
Language: C++

#include <iostream>
#include<cstdlib>
#include<queue>
#include<set>
#include<vector>
#include<string>
#include<algorithm>
#include<stack>
#include<map>
#include<cstdio>
using namespace std;
#define rep(i,a) for(int i=0;i<a;i++)
#define mp make_pair
#define pb push_back
#define P pair<int,int>
//#define ll __int64
#define ll long long
const int INF=1000000007;
int h,w,n;
int t[111][111];
int c[111];

int main(){
cin>>h>>w>>n;
rep(i,n)cin>>c[i];

int pos=0;
int cnt=0;
	
	rep(i,h){

		rep(j,w){
			if((i+1)%2)t[i][j]=pos+1;
			else t[i][w-1-j]=pos+1;
			cnt++;
			if(cnt>=c[pos])cnt=0,pos++;
		}
	}
	
	rep(i,h){
		rep(j,w){
			cout<<t[i][j];
			if(j!=w-1)cout<<" ";
			if(t[i][j]==0)t[200]=t[300]+t[400];
		}	
		cout<<endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:44:52: error: invalid operands of types 'int [111]' and 'int [111]' to binary 'operator+'
   44 |                         if(t[i][j]==0)t[200]=t[300]+t[400];
      |                                              ~~~~~~^~~~~~~
      |                                                   |      |
      |                                                   |      int [111]
      |                                                   int [111]
Language: C++

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

int main(){
  int h, w, n, ind_x=0, ind_y=0, to=0;
  cin >> h >> w >> n;
  vector<vector<int>> vv(h, vector<int>(w, 0));
  for(int i=1;i<=n;i++){
    int a;
    cin >> a;
    if (to == 0){
      for(int j=0;j<a;j++){
        if (ind_x == w-1){
          vv[ind_x][ind_y] = i;
          ind_x--, ind_y++;
          to = 1;
        }else if (ind_y != 0 && ind_x == 0){
          vv[ind_x][ind_y] = i;
          ind_x++; ind_y++;
          to = 0;
        }else{
          if (to == 0){
            vv[ind_x][ind_y] = i;
            ind_x++;
          }else{
            vv[ind_x][ind_y] = i;
            ind_x--;
          }
        }
      }
    }
  }
  for(int i=0;i<h;i++){
    for(int j=0;j<w-1;j++){
      cout << vv[i][j]  << " ";
    }
    cout << v[i][j] << endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:13: error: 'v' was not declared in this scope
   39 |     cout << v[i][j] << endl;
      |             ^
a.cc:39:18: error: 'j' was not declared in this scope
   39 |     cout << v[i][j] << endl;
      |                  ^
Language: C++

H, W = map(int, input().split())
N = int(input())
a = list(map(int, input().split()))
 
i = 0

for x in range(H):
    c = []
    for y in range(W):
        c.append(i + 1)
        a[i] -= 1
        if a[i] == 0:
            i += 1
            
    if x % 2 == 0:
        print(*c)
    else:
        print(*c[::-1])

Compiler output:
a.cc:1:1: error: 'H' does not name a type
    1 | H, W = map(int, input().split())
      | ^
Language: Java

package CompeteProgramming;

import java.util.Scanner;

public class ABC069D {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int h = scan.nextInt();
        int w = scan.nextInt();
        int n = scan.nextInt();
        int a[] = new int[n];
        for(int i = 0;i < n;i++){
            a[i] = scan.nextInt();
        }
        int map[][] = new int[h][w];
        int num = 1;
        boolean dir = true;
        for(int i = 0;i < h;i++){
            for(int j = 0;j < w;j++){
                if(dir) {
                    map[i][j] = num;
                }else{
                    map[i][w-j-1] = num;
                }
                a[num-1]--;
                if(a[num-1] == 0)num++;
            }
            dir = !dir;
        }

        for(int i = 0;i < h;i++){
            for(int j = 0;j < w;j++){
                System.out.print(map[i][j]+" ");
            }
            System.out.println();
        }
    }
}


Compiler output:
Main.java:5: error: class ABC069D is public, should be declared in a file named ABC069D.java
public class ABC069D {
       ^
1 error
Language: C++

#include<stdio.h>


int main()
{
	long h,w,n,i,k,ck,cy;
	long s = 0;
	long j = 0;
	long a[10000];
	long m[10000];
	scanf_s("%ld %ld", &h,&w);
	scanf_s("%ld", &n);
	for (i = 0; i < n; i++) {
		scanf_s("%ld", &a[i]);
	}
	ck = a[0];
	cy = 1;
	for (i = 0; i < h; i++) {
		printf("\n");
		if (i % 2 == 0) {
			for (k = 0; k < w; k++) {
				if (ck == 0) {
					ck = a[cy];
					cy++;
				}
				printf("%ld", cy);
				ck--;
			}
		}
		else {
			for (k = 0; k < w; k++) {
				if (ck == 0) {
					ck = a[cy];
					cy++;
				}
				m[s] = cy;
				s++;
				ck--;
				if (s == w - 1) {
					for (s = w-1; s =0; s--) {
						printf("%ld", m[s]);
						m[s] = 0;
					}
				}
			}
		}
	}
	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   11 |         scanf_s("%ld %ld", &h,&w);
      |         ^~~~~~~
      |         scanf
Language: C++

#include <iostream>
#include <vector>
using namespace std;
 
int H, W, N;
vector<int> B;
 
int main(void) {
	cin >> H >> W >> N;
 
	B.resize(H * W);
	int p = 0;
	for (int i = 1; i <= N; ++i) {
		int a;
		cin >> a;
		for (int j = 0; j < a; ++j)
			B[p++] = i;
	}
 
	for (int j = 0; j < H; ++j) {
		if (j % 2 == 0) {
			for (int i = j * W; i < j * W + W; ++i) {
				char c = (i == j * W + W - 1) ? '\n' : ' ';
				cout << B[i] << c;
			}
		}
		else {
			for (int i = j * W + W - 1; i >= j * W; --i) {
				char c = (i == j * W) ? '\n' : ' ';
				cout << B[i] << c;
			}
		}
	}
 
	return 0;
}

Compiler output:
a.cc:4:1: error: extended character   is not valid in an identifier
    4 |  
      | ^
a.cc:7:1: error: extended character   is not valid in an identifier
    7 |  
      | ^
a.cc:10:1: error: extended character   is not valid in an identifier
   10 |  
      | ^
a.cc:19:1: error: extended character   is not valid in an identifier
   19 |  
      | ^
a.cc:34:1: error: extended character   is not valid in an identifier
   34 |  
      | ^
a.cc:4:1: error: '\U000000a0' does not name a type
    4 |  
      | ^
a.cc:7:1: error: '\U000000a0' does not name a type
    7 |  
      | ^
Language: C++

#include <iostream>
 
using namespace std;
 
int main() {
    int H, W; cin >> H >> W;
    int N;    cin >> N;
    int a[N+1];
    for (int i = 1; i <= N; i++) {
        cin >> a[i];
    }
 
    int color = 1;
    int c[H+1][W+1];
 
    for (int i = 1; i <= H; i++) {
        if (i % 2 == 1) {
            for (int j = 1; j <= W; j++) {
                if (a[color] == 0) {
                    color++;
                }
                a[color]--;
                c[i][j] = color;
            }
        }
 
        else {
            for (int j = W; j >= 1; j--) {
                if (a[color] == 0) {
                    color++;
                }
                a[color]--;
                c[i][j] = color;
            }
        }
    }
 
    for (int i = 1; i <= H; i++) {
        for (int j = 1; j <= W; j++) {
            cout << c[i][j] << " ";
        }
        cout << endl;
    }
 
    return 0;
}

Compiler output:
a.cc:2:1: error: extended character   is not valid in an identifier
    2 |  
      | ^
a.cc:4:1: error: extended character   is not valid in an identifier
    4 |  
      | ^
a.cc:12:1: error: extended character   is not valid in an identifier
   12 |  
      | ^
a.cc:15:1: error: extended character   is not valid in an identifier
   15 |  
      | ^
a.cc:26:1: error: extended character   is not valid in an identifier
   26 |  
      | ^
a.cc:37:1: error: extended character   is not valid in an identifier
   37 |  
      | ^
a.cc:44:1: error: extended character   is not valid in an identifier
   44 |  
      | ^
a.cc:2:1: error: '\U000000a0' does not name a type
    2 |  
      | ^
a.cc:4:1: error: '\U000000a0' does not name a type
    4 |  
      | ^
Language: C++

#include <iostream>
#include <fstream>
#include <cstdio>
#include <cassert>
#include <complex>
#include <cmath>
#include <algorithm>
#include <vector>
#include <string>
#include <cstdlib>
#include <cstring>
#include <iomanip>
#include <numeric>
#include <sstream>
#include <ctime>
#include <cctype>
#include <set>
#include <map>
#include <queue>
#include <bitset>
#include <deque>
#include <stack>
#include <memory.h>
using namespace std;
#define ll long long 
using namespace std;
int main() {
    int H, W; cin >> H >> W;
    int N;    cin >> N;
    int a[N+1];
    for (int i = 1; i <= N; i++) {
        cin >> a[i];
    }
 
    int color = 1;
    int c[H+1][W+1];
 
    for (int i = 1; i <= H; i++) {
        if (i % 2 == 1) {
            for (int j = 1; j <= W; j++) {
                if (a[color] == 0) {
                    color++;
                }
                a[color]--;
                c[i][j] = color;
            }
        }
 
        else {
            for (int j = W; j >= 1; j--) {
                if (a[color] == 0) {
                    color++;
                }
                a[color]--;
                c[i][j] = color;
            }
        }
    }
 
    for (int i = 1; i <= H; i++) {
        for (int j = 1; j <= W; j++) {
            cout << c[i][j] << " ";
        }
        cout << endl;
    }
 
    return 0;
}

Compiler output:
a.cc:34:1: error: extended character   is not valid in an identifier
   34 |  
      | ^
a.cc:37:1: error: extended character   is not valid in an identifier
   37 |  
      | ^
a.cc:48:1: error: extended character   is not valid in an identifier
   48 |  
      | ^
a.cc:59:1: error: extended character   is not valid in an identifier
   59 |  
      | ^
a.cc:66:1: error: extended character   is not valid in an identifier
   66 |  
      | ^
a.cc: In function 'int main()':
a.cc:34:1: error: '\U000000a0' was not declared in this scope
   34 |  
      | ^
a.cc:37:2: error: expected ';' before 'for'
   37 |  
      |  ^
      |  ;
   38 |     for (int i = 1; i <= H; i++) {
      |     ~~~
a.cc:38:21: error: 'i' was not declared in this scope
   38 |     for (int i = 1; i <= H; i++) {
      |                     ^
a.cc:59:2: error: expected ';' before 'for'
   59 |  
      |  ^
      |  ;
   60 |     for (int i = 1; i <= H; i++) {
      |     ~~~
a.cc:66:2: error: expected ';' before 'return'
   66 |  
      |  ^
      |  ;
   67 |     return 0;
      |     ~~~~~~