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

# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <tuple>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr int INF = 2000000000;
constexpr int HINF = INF / 2;
constexpr double DINF = 100000000000000000.0;
constexpr long long LINF = 9223372036854775807;
constexpr long long HLINF = 4500000000000000000;
const double PI = acos(-1);
int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
#define ALL(x)    (x).begin(),(x).end()
#define UNIQ(c)   (c).erase(unique(ALL((c))), end((c)))
#define mp        make_pair
#define eb        emplace_back
#define REP(i, a) for (int i = 0; i < (a); i++)


int h, w, d;
string s = "RYGB";
int main() {
	cin >> h >> w >> d;
	for (int i = 0; i < h; i++) {
		for (int j = 0; j < w; j++) {
			int x = (i + j) / d % 2;
			int y = ((h - 1 - (i - j)) / d % 2;
			cout << s[x * 2 + y];
		}
		cout << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:59: error: expected ')' before ';' token
   39 |                         int y = ((h - 1 - (i - j)) / d % 2;
      |                                 ~                         ^
      |                                                           )
Language: C++

#include <iosstream>
using namespace std;
char s[] = "RGYB";
int n, m, k;
int main()
{
	cin >> n >> m >> k;
	for (int i = 0; i < n; putchar(10), i++)
		for (int j = 0; j < m; j++)
			putchar(s[(i + j) / k % 2 * 2 + (i + m - j) / k % 2]);
}

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

#include <iosstream>
using namespace std;
char s[] = "RGYB";
int n, m, k;
int main()
{
	cin >> n >> m >> k;
	for (int i = 0; i < n; putchar(10), i++)
		for (int j = 0; j < m; j++)
			putchar(s[(i + j) / k % 2 + (i + m - j) / k % 2]);
}

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

#include <iostream>
using namespace std;
char s[] = "RGYB";
int n, m, k;
int maim()
{
	cin >> n >> m >> k;
	for (int i = 0; i < n; putchar(10), i++)
		for (int j = 0; j < m; j++)
			putchar(s[(i + j) / k % 2 + (i + m - j) / k % 2]);
}

Compiler output:
a.cc: In function 'int maim()':
a.cc:11:1: warning: no return statement in function returning non-void [-Wreturn-type]
   11 | }
      | ^
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#include <cstdio>
using namespace std;
char s[] = "RGYB";
int n, m, k;
int maim()
{
	cin >> n >> m >> k;
	for (int i = 0; i < n; putchar(10), i++)
		for (int j = 0; j < m; j++)
			putchar(s[(i + j) / k % 2 + (i + m - j) / k % 2]);
}

Compiler output:
a.cc: In function 'int maim()':
a.cc:7:9: error: 'cin' was not declared in this scope
    7 |         cin >> n >> m >> k;
      |         ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include <cstdio>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:11:1: warning: no return statement in function returning non-void [-Wreturn-type]
   11 | }
      | ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

#define REP(i,n) for(int i=0;i<n;++i)
#define SORT(name) sort(name.begin(), name.end())
#define ZERO(p) memset(p, 0, sizeof(p))
#define MINUS(p) memset(p, -1, sizeof(p))

#define MOD 1000000007
#define INF 1000000000

int H, W, d;
int main()
{
    ZERO(ans);
    ZERO(ret);
    cin >> H >> W >> d;

    if(d % 2 != 0) {
        REP(i, H) {
            char tile1, tile2;
            if(i % 2 == 0) {
                tile1 = 'R';
                tile2 = 'G';
            } else {
                tile1 = 'G';
                tile2 = 'R';
            }
            REP(j, W) {
                if(j % 2 == 0) { printf("%c", tile1); }
                else { printf("%c", tile2); }
            }
            printf("\n");
        }
    } else {
        REP(i, H) {
            char up, down, left, right;
            for(int j = 0; j < W; j += d) {
                if(((i + j) / d) % 2 == 0) {
                    up = 'R';
                    down = 'G';
                    left = 'Y';
                    right = 'B';
                } else {
                    up = 'G';
                    down = 'R';
                    left = 'B';
                    right = 'Y';
                }
                int up_n = d - (i % d) * 2;
                if(i % d >= d / 2) { up_n = 0; }
                int down_n = ((i % d) - d / 2) * 2;
                if(i % d <= d / 2) { down_n = 0; }
                int width_n;
                if(i % d <= d / 2) {
                    width_n = i % d;
                } else {
                    width_n = d - (i % d);
                }
                int ind = j;
                for(int k = 0; k < width_n && ind < W; k++, ind++) { printf("%c", left); }
                for(int k = 0; k < up_n && ind < W; k++, ind++) { printf("%c", up); }
                for(int k = 0; k < down_n && ind < W; k++, ind++) { printf("%c",down); }
                for(int k = 0; k < width_n && ind < W; k++, ind++) { printf("%c", right); }
            }
            printf("\n");
        }
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:10: error: 'ans' was not declared in this scope; did you mean 'abs'?
   17 |     ZERO(ans);
      |          ^~~
a.cc:8:24: note: in definition of macro 'ZERO'
    8 | #define ZERO(p) memset(p, 0, sizeof(p))
      |                        ^
a.cc:18:10: error: 'ret' was not declared in this scope
   18 |     ZERO(ret);
      |          ^~~
a.cc:8:24: note: in definition of macro 'ZERO'
    8 | #define ZERO(p) memset(p, 0, sizeof(p))
      |                        ^
Language: C++

/*
 ***
 Question Name:
 ***
 Question Link:
 ***
 Idea:
 */

#include <memory.h>
#include <ctime>
#include <random>
#include <iomanip>
#include <algorithm>
#include <iostream>
#include <iterator>
#include <numeric>
#include <sstream>
#include <fstream>
#include <cassert>
#include <climits>
#include <cstdlib>
#include <cstring>
#include <string>
#include <cstdio>
#include <vector>
#include <cmath>
#include <functional>
#include <queue>
#include <deque>
#include <stack>
#include <list>
#include <map>
#include <set>
#include <unordered_set>
#include <unordered_map>

#define REP(i,s,n) for(int (i)=s; (i)<(int)(n);(i)++)
#define RIT(it,c) for(__typeof(c.begin()) it = c.begin();it!=c.end();it++)
#define ALL(x) x.begin(), x.end()
#define SZ(x) (int)(x).size()
#define MSET(m,v) memset(m,v,sizeof(m))

using namespace std;

typedef long long LL;
typedef long double LD;
typedef vector<int> vi;
typedef pair<int,int> ii;
typedef vector<LL> vL;
typedef vector<bool> vb;
typedef unordered_set<int> ui;
typedef pair<LL,LL> pLL;

class FourColoring{
    vector<string> Templ= {"RY","BG"};
public:
    void solve(int H,int M, int d){
        for(int i=0;i<H;++i){
            for(int j=0;j<M;++j) cout<<Templ[((i+j+H+M)/d)%2][((i-j+H+M)/d)%2];
            cout<<endl;
        }
    }
}

int main(){
    int H,M,d;
    cin>>H>>M>>d;
    FourColoring().solve(H, M, d);
    return 0;
}

Compiler output:
a.cc:64:2: error: expected ';' after class definition
   64 | }
      |  ^
      |  ;
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
	int h,w,d;
	int ditu[510][510];
bool pd(int x,int y)
{
	for (int i=max(1,x-d);i<=min(h,x+d);i++)
		for (int j=max(1,y-d);j<=min(w,y+d);j++)
		if (abs(i-x)+abs(j-y)==d) 
			if (ditu[i][j]==0) return false;
	return true;
}	
void dfs(int x,int y)
{
	for (int i=max(1,x-d);i<=min(h,x+d);i++)
		for (int j=max(1,y-d);j<=min(w,y+d);j++)
		if (abs(i-x)+abs(j-y)==d) 
		{
			if (ditu[i][j]==0)
			for (int k=1;k<=4;k++)
			{
				bool flag=true;
				for (int p=max(1,i-d);p<=min(h,i+d);p++)
					for (int q=max(1,j-d);q<=min(w,j+d);q++)
				if (abs(p-i)+abs(q-j)==d) if (k==ditu[p][q]) {p=h+1;q=w+1;flag=false;}
				if (flag) {
				ditu[i][j]=k;
				dfs(i,j);
				};
			};	
		};
	return;
}
int main()
{
	memset(ditu,0,sizeof(ditu));
	cin>>h>>w>>d;
	for (int i=1;i<=h;i++)
		for (int j=1;j<=w;j++)
			if (ditu[i][j]==0) 
			{
				ditu[i][j]=1;
				dfs(i,j);
			}
	for (int i=1;i<=h;i++)
	{
		for (int j=1;j<=w;j++)
		{  
			if (ditu[i][j]==0) cout<<' ';
			if (ditu[i][j]==1) cout<<'R';
			if (ditu[i][j]==2) cout<<'Y';
			if (ditu[i][j]==3) cout<<'B';
			if (ditu[i][j]==4) cout<<'G';	
			//cout<<ditu[i][j]<<' ';
		}
		cout<<endl;
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:9: error: 'memset' was not declared in this scope
   37 |         memset(ditu,0,sizeof(ditu));
      |         ^~~~~~
a.cc:3:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<algorithm>
  +++ |+#include <cstring>
    3 | using namespace std;
Language: C

#include <stdio.h>

int main() {
	int h, w, d, color;
	short c[510][510] = {};
	scanf("%d%d%d", &h, &w, &d);

	for (int i = 0; i < h; i++)
	{
		for (int j = 0; j < w; j++)
		{
			color = c[i][j];
			for (int k = 0; k < d; k++)
			{
				if (i + d - k < h && j + k < w
					&& c[i + d - k][j + k] == color) {
					c[i + d - k][j + k = (c[i + d - k][j + k + 1) % 4;
				}
				if (i + d - k < h && j - k > 0 
					&& c[i + d - k][j - k] == color) {
					c[i + d - k][j - k] = (c[i + d - k][j - k] + 1) % 4;
				}
			}
			if (j + d < w
				&& c[i][j + d] == color) {
				c[i][j + d] = (c[i][j + d] + 1) % 4;
			}
		}
	}

	for (int i = 0; i < h; i++)
	{
		for (int j = 0; j < w; j++)
		{
			switch (c[i][j])
			{
			case 0:
				printf("R");
				break;
			case 1:
				printf("Y");
				break;
			case 2:
				printf("G");
				break;
			default:
				printf("B");
				break;
			}

		}
		printf("\n");
	}

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:17:85: error: expected ']' before ')' token
   17 |                                         c[i + d - k][j + k = (c[i + d - k][j + k + 1) % 4;
      |                                                                                     ^
      |                                                                                     ]
main.c:17:60: error: lvalue required as left operand of assignment
   17 |                                         c[i + d - k][j + k = (c[i + d - k][j + k + 1) % 4;
      |                                                            ^
main.c:17:90: error: expected ']' before ';' token
   17 |                                         c[i + d - k][j + k = (c[i + d - k][j + k + 1) % 4;
      |                                                                                          ^
      |                                                                                          ]
main.c:17:91: error: expected ';' before '}' token
   17 |                                         c[i + d - k][j + k = (c[i + d - k][j + k + 1) % 4;
      |                                                                                           ^
      |                                                                                           ;
   18 |                                 }
      |                                 ~
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll, ll> P;

#define each(i,a) for (auto&& i : a)
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
#define pb push_back
#define all(a) (a).begin(),(a).end()
#define chmin(x,v) x = min(x, v)
#define chmax(x,v) x = max(x, v)

const ll linf = 1e18;
const int inf = 1e9;
const double eps = 1e-12;
const double pi = acos(-1);

template<typename T>
istream& operator>>(istream& is, vector<T>& vec) {
    each(x,vec) is >> x;
    return is;
}
template<typename T>
ostream& operator<<(ostream& os, const vector<T>& vec) {
    rep(i,vec.size()) {
        if (i) os << " ";
        os << vec[i];
    }
    return os;
}
template<typename T>
ostream& operator<<(ostream& os, const vector< vector<T> >& vec) {
    rep(i,vec.size()) {
        if (i) os << endl;
        os << vec[i];
    }
    return os;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    ll h, w, D; cin >> h >> w >> D;
    UnionFind uf(w * h * 4 * 2);
    rep(y, h) rep(x, w) rep(nx, max(x - D, 0LL), min(x + D + 1, w)) {
        ll ny = y + D - abs(x - nx);
        rep(i, 4) uf.unite(ID(x, y, 0, 1), ID(nx, ny, 0, 0));
    }
    vector<vector<bool>> used(h, vector<bool>(w, false));
    vector<vector<ll>> ans(h, vector<ll>(w, -1));
    rep(y, h) rep(x, w) {
        if (used[y][x]) continue;
        used[y][x] = true;
    }
    const string S = "RYGB";
    rep(y, h) {
        rep(x, w) {
            cout << S[ans[y][x]];
        }
        cout << endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:52:5: error: 'UnionFind' was not declared in this scope
   52 |     UnionFind uf(w * h * 4 * 2);
      |     ^~~~~~~~~
a.cc:55:19: error: 'uf' was not declared in this scope
   55 |         rep(i, 4) uf.unite(ID(x, y, 0, 1), ID(nx, ny, 0, 0));
      |                   ^~
a.cc:55:28: error: 'ID' was not declared in this scope; did you mean 'D'?
   55 |         rep(i, 4) uf.unite(ID(x, y, 0, 1), ID(nx, ny, 0, 0));
      |                            ^~
      |                            D
Language: C++

#include <bits/stdc++.h>

#define endl '\n'
#define max_n 2002

using namespace std;

int side;
int co[max_n][max_n];

void dfs(int x, int y, int val) {
	if(x < 0 || y < 0 || x >= 2002 || y >= 2002) continue;
	if(co[x][y] != 0) return;
	for(int i=x-side; i<=x+side; i++) {
		for(int j=y-side; j<=y+side; j++) {
			if(i < 0 || j < 0 || i >= 2002 || j >= 2002) continue;
			if(abs(x-i) + abs(y-j) <= side) co[i][j] = val;
		}
	}
	dfs(x + side + side + 1, y + side + side - 1, val);
	dfs(x - side - side - 1, y - side - side + 1, val);

	dfs(x + side + side - 1, y - side - side - 1, val);
	dfs(x - side - side + 1, y - side - side + 1, val);
}

int main() {
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int n, m, d;
	cin >> n >> m >> d;
	side = (d-1) / 2;
	memset(co, 0, sizeof co);
	dfs(1000, 1000, 1);
	dfs(1000+side+1, 1000+side, 2);
	dfs(1000+side, 1000-side-1, 3);
	dfs(1000+side+side+1, 1000-1, 4);
	for(int i=0; i<n; i++) {
		for(int j=0; j<m; j++) {
			if(co[1000+i][1000+j] == 1) {
				cout << 'R';
			}
			else if(co[1000+i][1000+j] == 2) {
				cout << 'G';
			}
			else if(co[1000+i][1000+j] == 3) {
				cout << 'Y';
			}
			else if(co[1000+i][1000+j] == 4) {
				cout << 'B';
			}
		}
		cout << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'void dfs(int, int, int)':
a.cc:12:54: error: continue statement not within a loop
   12 |         if(x < 0 || y < 0 || x >= 2002 || y >= 2002) continue;
      |                                                      ^~~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

const string col = "RGBY";
string col2[3] = {"RGG", "YRB", "YBB"};
string col3[3] = {"RYY", "BGR", "YRB"};

int H, W, d;
char ans[505][505];

void solve1() {
    for (int i = 0; i < H; i++) {
        for (int j = 0; j < W; j++) {
            if (i % 2 == 0 && j % 2 == 0) ans[i][j] = 'R';
            else if (i % 2 == 1 && j % 2 == 0) ans[i][j] = 'G';
            else if (i % 2 == 0 && j % 2 == 1) ans[i][j] = 'Y';
            else ans[i][j] = 'R';
        }
    }
}

void solve2() {
    for (int i = 0; i < H; i++) {
        for (int j = 0; j < W; j++) {
            ans[i][j] = col2[i % 3][j % 3];
        }
    }
}

void solve3() {
    for (int i = 0; i < H; i++) {
        for (int j = 0; j < W; j++) {
            ans[i][j] = col3[i % 3][j % 3];
        }
    }
}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> H >> W >> d;
    if (d % 2 == 1) solve1();
    else if (d % 4 == 0) solve2();
    else if solve3();

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

Compiler output:
a.cc: In function 'int main()':
a.cc:47:13: error: expected '(' before 'solve3'
   47 |     else if solve3();
      |             ^~~~~~
      |             (
Language: C++

h, w, d = map(int, raw_input().split())

if d % 2 == 1:
    res = []
    for i in range(h):
        res += [""]
        for j in range(w):
            if (i + j) % 2 == 1:
                res[i] += 'R'
            else:
                res[i] += 'Y'

    print "\n".join(res)
    exit()

def solve(i, j, d):
    if (i+j) % 2 == 1:return solve(i+1,j,d)
    a = (i+j) / 2
    b = (i-j) / 2
    ind = 0
    if (a/d) % 2 == 1:ind += 1
    if (b/d) % 2 == 1:ind += 2
    return "RYGB"[ind]

res = []
for i in range(h):
    res += [""]
    for j in range(w):
        res[i] += solve(i,j,d/2)

print "\n".join(res)
                

Compiler output:
a.cc:1:1: error: 'h' does not name a type
    1 | h, w, d = map(int, raw_input().split())
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;  
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
#define rep(i,n) for(ll i=0;i<(n);i++)  
#define pii pair<int,int>
#define piii pair<int,pii>
#define mp make_pair
#define pb push_back  
#define ALL(a) (a).begin(),(a).end()
#define FST first
#define SEC second  
const int INF = (INT_MAX/2);
const ll LLINF = (LLONG_MAX/2);
const double eps = 1e-5;
const double PI = M_PI;  
#define DEB cerr<<"!"<<endl
#define SHOW(a,b) cerr<<(a)<<" "<<(b)<<endl
#define SHOWARRAY(ar,i,j) REP(a,i)REP(b,j)cerr<<ar[a][b]<<((b==j-1)?((a==i-1)?("\n\n"):("\n")):(" "))
  
#define DIV 1000000007
typedef vector<ll> Array;
typedef vector<Array> matrix;
typedef tuple<int,int,int> tiii;
#define mt make_tuple

int t_2 = 0; int t_4 = 0; int t_e = 0;

int table[500][500] ={};
int h,w,d; 
void fill(int x,int y,int turn,int v){
  if(turn  == 0 || table[x][y] != 0)  return;
  if(!(x >= 0 && x < h))  return;
  if(!(y >= 0 && y < w))  return;
  table[x][y] = v;
  fill(x-1,y,turn-1,v);
  fill(x+1,y,turn-1,v);
  fill(x,y-1,turn-1,v);
  fill(x,y+1,turn-1,v);
}

int main(){
  cin >> h >> w >> d;
  h,w;  
  int color = 0;
  for(int i = 0; i < h; i++){
    rep(j,w){
      if(table[i][j] == 0){
        if(i > 0)color = table[i-1][j] + 2;
        if(j > 0 && color == dp[i][j-1]) color++;
        fill(i,j,d,color%4+1),color++;
      }
    }
  }
  char o[4] = {'R','G','B','Y'};
  rep(i,h){
    rep(j,w){
      cout << o[table[i][j]-1];
    }
    cout << endl;
  }
/*  rep(i,10){
    rep(j,10)
      cerr << table[i][j];
    cerr<<endl;
  }*/
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:51:30: error: 'dp' was not declared in this scope; did you mean 'dup'?
   51 |         if(j > 0 && color == dp[i][j-1]) color++;
      |                              ^~
      |                              dup
Language: C++

#define _USE_MATH_DEFINES
#include <sstream> //string stream its useful!
#include<string>
#include<iostream>
#include<utility> //pair
#include <vector> // vector
#include <algorithm>    // swap,sort,binary_search
#include <functional>   // std::greater
#include <map> //map
#include<set> //set
#include<queue> //queue
#include<list> //list
#include<cmath>
#include<numeric>
#include<cassert>
#include <iomanip> //cout<<setprecision
#include <regex>
#include <ctype.h> //toupper case
#include <tuple>

typedef long long ll;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
const ll W = 1000000007;
const int alphacount = 26;


using namespace std;
void omajinai() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout<<setprecision(15);
}

class Main{
public:
    
    ll H,W,D;
    Main(){
        cin>>H>>W>>D;
    }
    
    
    void run(){
        char c[4] = {'R','Y','G','B'};
        int dx[4] = {-1,-1,1,1};
        int dy[4] = {-1,1,-1,1};
        
        vector<vector<int> > ret(H,vector<int>(W,-1));
        queue<pair<int ,int> > q;
        REP(i,D){
            q.push(make_pair(0,i));
        }
        while(!q.empty()){
            const pair<int,int> p = q.front();
            vector<bool> b(4,false);
            q.pop();
            REP(i,4){
                REP(j,D+1){
                    int xx = p.first + j * dx[i];
                    int yy = p.second + (D-j) * dy[i];
                    if(xx<0 || yy < 0 ||xx>=H || yy >= W) continue;
                    if(ret[xx][yy] < 0){
                        if(ret[xx][yy] == -1){ q.push(make_pair(xx,yy)); ret[xx][yy]--;}
                        continue;
                    }
                    b[ret[xx][yy]] = true;
                }
            }
            REP(i,4){
                if(!b[i]){
                    ret[p.first][p.second] = i;
                    break;
                }
            }
            assert(ret[p.first][p.second]!=-1);
        }
        
        REP(i,H){
            FOR(j,W) cout<<c[ret[i][j]];
            cout<<endl;
        }
    }
};

#ifndef gtest
int main(){
    omajinai();
    Main().run();
    return 0;
}
#endif

Compiler output:
a.cc:81:20: error: macro "FOR" requires 3 arguments, but only 2 given
   81 |             FOR(j,W) cout<<c[ret[i][j]];
      |                    ^
a.cc:22:9: note: macro "FOR" defined here
   22 | #define FOR(i,a,b) for (int i=(a);i<(b);i++)
      |         ^~~
a.cc: In member function 'void Main::run()':
a.cc:81:13: error: 'FOR' was not declared in this scope
   81 |             FOR(j,W) cout<<c[ret[i][j]];
      |             ^~~
Language: C++

#include<cstdio>

char colors[]="RYGB";

int main(void) {
    int h,w,d;
    scanf("%d%d%d",&h,&w,&d);

    if(d%2 == 1) {
        for(int i=0; i<h; i++) {
            for(int j=0; j<w; j++)
                printf("%c", colors[(i+j)%2]);
            printf("\n");
        }
        return 0;
    }

    int k=d-1;
    for(int i=0; i<h; i++) {
        for(int j=0; j<w; j++) {
            int jj=(j/k) % 4;
            int ii=(jj%2) ? (i/2) % 2 : ((i-1)/2) % 2;
            printf("%c", colors[(ii+jj)%4];
        }
        printf("\n");
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:43: error: expected ')' before ';' token
   23 |             printf("%c", colors[(ii+jj)%4];
      |                   ~                       ^
      |                                           )
Language: C++

#include <bits/stdc++.h>
#include "printer.hpp"
using namespace std;
typedef long long ll;
#define REP(i,n) FOR(i,0,n)
#define FOR(i,a,b) for(ll i=a;i<b;i++)
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define PQ priority_queue
#define UM unordered_map
#define ALL(a) (a).begin(),(a).end()
typedef vector<ll> vi;
typedef vector<vector<ll>> vvi;
const ll INF = (1ll << 60);
typedef pair<ll,ll> pii;
struct Edge {ll s,t,d;};
struct vector<vector<Edge>> Graph;

int main(){
  ll H,W,d; cin>>H>>W>>d;
  if(d%2){
    REP(i,H){
      REP(j,W){
        if(i%2){
          if(j%2) cout<<"R";
          else cout<<"G";
        }else {
          if(j%2) cout<<"B";
          else cout<<"Y";
        }
      }
      cout<<endl;
    }
  }else{
    bool swapped=false;
    if(W<H) { swap(H,W); swapped=true;}
    vvi mp(H,vi(W,-1));
    REP(i,H){
      mp[i][0]=i%4;
    }
    FOR(i,1,W){
      REP(j,H){
        vi cnt(4);
        REP(k,d+1){
          if(0<=j-k&&j-k<H&&0<=i-d+k&&i-d+k<W){
            cnt[mp[j-k][i-d+k]]+=1;
          }
          if(0<=j+k&&j+k<H&&0<=i-d+k&&i-d+k<W){
            cnt[mp[j+k][i-d+k]]+=1;
          }
        }
        REP(k,4) if(cnt[k]==0) {mp[j][i]=k;break;}
      }
    }
    if(swapped==false){
      REP(i,H) {
        REP(j,W){
          if(mp[i][j]==0) cout<<"R";
          else if(mp[i][j]==1) cout<<"G";
          else if(mp[i][j]==2) cout<<"B";
          else if(mp[i][j]==3) cout<<"Y";
        }
        cout<<endl;
      }
    } else {
      REP(j,W) {
        REP(i,H){
          if(mp[i][j]==0) cout<<"R";
          else if(mp[i][j]==1) cout<<"G";
          else if(mp[i][j]==2) cout<<"B";
          else if(mp[i][j]==3) cout<<"Y";
        }
        cout<<endl;
      }
    }
  }
}


Compiler output:
a.cc:2:10: fatal error: printer.hpp: No such file or directory
    2 | #include "printer.hpp"
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
int n, m, d;
int col[1001][1001];
int note[550][550][5];
int haha(int i, int j){return i*1000 + j;}
void bfs(){
	while(!q.empty()){
		int u = q.front(); q.pop();
		int x = u / 1000, y = u % 1000;
		for(int i = 1; i <= 4; i ++){
			if(note[x][y][i] == 0){
				col[x][y] = i;
				break;	
			}
		}
		int xx = x - d, yy = y;
		for(int i = 0; i <= d; i ++){
			if(1 <= xx && xx <= n && 1 <= yy && yy <= m){
				if(!col[xx][yy]){
					note[xx][yy][col[x][y]] = 1;
					q.push(haha(xx,yy));
				}
			}
			xx ++;
			yy ++;
		}
		xx = x - d + 1, yy = y - 1;
		
		for(int i = 1; i <= d; i ++){
			if(1 <= xx && xx <= n && 1 <= yy && yy <= m){
				if(!col[xx][yy]){
					note[xx][yy][col[x][y]] = 1;
					q.push(haha(xx,yy));
				}
			}
			xx ++;
			yy --;
		}

		xx = x + d, yy = y;


		for(int i = 0; i < d; i ++){
			if(1 <= xx && xx <= n && 1 <= yy && yy <= m){
				if(!col[xx][yy]){
					note[xx][yy][col[x][y]] = 1;
					q.push(haha(xx,yy));
				}
			}
			xx --;
			yy ++;
		}

		xx = x + d - 1, yy = y - 1;
		for(int i = 1; i < d; i ++){
			if(1 <= xx && xx <= n && 1 <= yy && yy <= m){
				if(!col[xx][yy]){
					note[xx][yy][col[x][y]] = 1;
					q.push(haha(xx,yy));
				}
			}
			xx --;
			yy --;
		}
	}
}

void pp(int x){
	if(x == 1)
		printf("R");

	if(x == 2)
		printf("Y");

	if(x == 3)
		printf("G");

	if(x == 4)
		printf("B");

	return 0;
}

int main(){
	scanf("%d%d%d", &n, &m, &d);
	for(int i = 1; i <= n; i ++){
		for(int j = 1; j <= m; j ++){
			if(col[i][j])
				continue;
			col[i][j] = 1;
			q.push(haha(i, j));
			bfs();
		}
	}

	for(int i = 1; i <= n; i ++){
		for(int j = 1; j <= m; j ++){
			pp(col[i][j]);
		}
		puts("");
	}
	return 0;
}

Compiler output:
a.cc: In function 'void bfs()':
a.cc:10:16: error: 'q' was not declared in this scope
   10 |         while(!q.empty()){
      |                ^
a.cc: In function 'void pp(int)':
a.cc:84:16: error: return-statement with a value, in function returning 'void' [-fpermissive]
   84 |         return 0;
      |                ^
a.cc: In function 'int main()':
a.cc:94:25: error: 'q' was not declared in this scope
   94 |                         q.push(haha(i, j));
      |                         ^
Language: C++

# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr long long MOD = 1000000000 + 7;
constexpr long long INF = 100000000000000;
const double PI = acos(-1);

int main() {
	int h, w, d;
	cin >> h >> w >> d;
	int w2, h2;
	if (d % 2 == 0) {
		//w2 = d - 1, h2 = d - 2;
		w2 = d / 2;
		h2 = d / 2 + 1;
		if (d == 2) {
			w2 = 2;
			h2 = 1;
		}
	}
	else {
		//w2 = d - 1, h2 = d - 1;
		w2 = d / 2 + 1;
		h2 = d / 2 + 1;
	}
	if (h + w - 2 == k) {
		w2--;
		h2--;
	}
	for (int i = 0; i < h; i++) {
		for (int j = 0; j < w; j++) {
			if (j % (w2 * 2) < w2&&i % (h2 * 2) < h2) {
				if (i % (h2 * 4) < h2 * 2) {
					cout << "R";
				}
				else {
					cout << "Y";
				}
			}
			else if (j % (w2 * 2) >= w2&&i % (h2 * 2) < h2) {
				if (i % (h2 * 4) < h2 * 2) {
					cout << "Y";
				}
				else {
					cout << "R";
				}
			}
			else if (j % (w2 * 2) < w2&&i % (h2 * 2) >= h2) {
				if (i % (h2 * 4) < h2 * 2) {
					cout << "G";
				}
				else {
					cout << "B";
				}
			}
			else {
				if (i % (h2 * 4) < h2 * 2) {
					cout << "B";
				}
				else {
					cout << "G";
				}
			}
		}
		cout << endl;
	}
	//system("pause");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:26: error: 'k' was not declared in this scope
   39 |         if (h + w - 2 == k) {
      |                          ^
Language: C++

# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr long long MOD = 1000000000 + 7;
constexpr long long INF = 100000000000000;
const double PI = acos(-1);

int main() {
	int h, w, d;
	cin >> h >> w >> d;
	int w2, h2;
	if (d % 2 == 0) {
		//w2 = d - 1, h2 = d - 2;
		w2 = d / 2;
		h2 = d / 2 + 1;
		if (d == 2) {
			w2 = 2;
			h2 = 1;
		}
	}
	else {
		//w2 = d - 1, h2 = d - 1;
		w2 = d / 2 + 1;
		h2 = d / 2 + 1;
	}
	if (h + w - 2 == k) {
		w2--;
		h2--;
	}
	for (int i = 0; i < h; i++) {
		for (int j = 0; j < w; j++) {
			if (j % (w2 * 2) < w2&&i % (h2 * 2) < h2) {
				if (i % (h2 * 4) < h2 * 2) {
					cout << "R";
				}
				else {
					cout << "Y";
				}
			}
			else if (j % (w2 * 2) >= w2&&i % (h2 * 2) < h2) {
				if (i % (h2 * 4) < h2 * 2) {
					cout << "Y";
				}
				else {
					cout << "R";
				}
			}
			else if (j % (w2 * 2) < w2&&i % (h2 * 2) >= h2) {
				if (i % (h2 * 4) < h2 * 2) {
					cout << "G";
				}
				else {
					cout << "B";
				}
			}
			else {
				if (i % (h2 * 4) < h2 * 2) {
					cout << "B";
				}
				else {
					cout << "G";
				}
			}
		}
		cout << endl;
	}
	system("pause");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:26: error: 'k' was not declared in this scope
   39 |         if (h + w - 2 == k) {
      |                          ^
Language: C++

#include<cstdio>
int main(){
	int h,w,d;
	scanf("%d %d %d",&h,&w,&d);
	if(d%4!=0){
		for(int i=0;i<h;i++){
			if(i%4==0){
				for(int j=0;j<w;j++){
					if(j%4==0)printf("R");
					if(j%4==1)printf("Y");
					if(j%4==2)printf("G");
					if(j%4==3)printf("B");
				}
			}else if(i%4==1){
				for(int j=0;j<w;j++){
					if(j%4==0)printf("Y");
					if(j%4==1)printf("G");
					if(j%4==2)printf("B");
					if(j%4==3)printf("R");
				}
			}else if(i%4==2){
				for(int j=0;j<w;j++){
					if(j%4==0)printf("G");
					if(j%4==1)printf("B");
					if(j%4==2)printf("R");
					if(j%4==3)printf("Y");
				}
			}else{
				for(int j=0;j<w;j++){
					if(j%4==0)printf("B");
					if(j%4==1)printf("R");
					if(j%4==2)printf("Y");
					if(j%4==3)printf("G");
				}
			}
			printf("\n");
		}
	}else{
	for(int i=0;i<h;i++){
			if(i%4==0){
				for(int j=0;j<w;j++){
					if(j%16==0)printf("R");
					if(j%16==1)printf("Y");
					if(j%16==2)printf("G");
					if(j%16==3)printf("B");
					if(j%16==4)printf("Y");
					if(j%16==5)printf("B");
					if(j%16==6)printf("R");
					if(j%16==7)printf("G");
					if(j%16==8)printf("G");
					if(j%16==9)printf("R");
					if(j%16==10)printf("B");
					if(j%16==11)printf("Y");
					if(j%16==12)printf("B");
					if(j%16==13)printf("G");
					if(j%16==14)printf("R");
					if(j%16==15)printf("Y");
				}
			}else if(i%4==1){
				for(int j=0;j<w;j++){
					if(j%16==0)printf("Y");
					if(j%16==1)printf("G");
					if(j%16==2)printf("B");
					if(j%16==3)printf("R");
					if(j%16==4)printf("G");
					if(j%16==5)printf("R");
					if(j%16==6)printf("Y");
					if(j%16==7)printf("B");
					if(j%16==8)printf("G");
					if(j%16==9)printf("R");
					if(j%16==10)printf("B");
					if(j%16==11)printf("Y");
					if(j%16==12)printf("R");
					if(j%16==13)printf("B");
					if(j%16==14)printf("G");
					if(j%16==15)printf("Y");
				}
			}else if(i%4==2){
				for(int j=0;j<w;j++){
					if(j%16==0)printf("G");
					if(j%16==1)printf("B");
					if(j%16==2)printf("R");
					if(j%16==3)printf("Y");
					if(j168==4)printf("B");
					if(j%16==5)printf("Y");
					if(j%16==6)printf("G");
					if(j%16==7)printf("R");
					if(j%16==8)printf("R");
					if(j%16==9)printf("G");
					if(j%16==10)printf("Y");
					if(j%16==11)printf("B");
					if(j%16==12)printf("R");
					if(j%16==13)printf("G");
					if(j%16==14)printf("Y");
					if(j%16==15)printf("B");
				}
			}else{
				for(int j=0;j<w;j++){
					if(j%16==0)printf("B");
					if(j%16==1)printf("R");
					if(j%16==2)printf("Y");
					if(j%16==3)printf("G");
					if(j%16==4)printf("R");
					if(j%16==5)printf("G");
					if(j%16==6)printf("B");
					if(j%16==7)printf("Y");
					if(j%16==8)printf("Y");
					if(j%16==9)printf("B");
					if(j%16==10)printf("G");
					if(j%16==11)printf("R");
					if(j%16==12)printf("G");
					if(j%16==13)printf("Y");
					if(j%16==14)printf("B");
					if(j%16==15)printf("R");
				}
			}
			printf("\n");
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:84:44: error: 'j168' was not declared in this scope
   84 |                                         if(j168==4)printf("B");
      |                                            ^~~~
Language: C++

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

#define rep(i,n) for (int i=0;i<(n);i++)
#define rep2(i,a,b) for (int i=(a);i<(b);i++)
#define rrep(i,n) for (int i=(n)-1;i>=0;i--)
#define rrep2(i,a,b) for (int i=(a)-1;i>=b;i--)
#define chmin(a,b) (a)=min((a),(b));
#define chmax(a,b) (a)=max((a),(b));
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
#define printV(v) cerr<<(#v)<<":";for(auto(x):(v)){cerr<<" "<<(x);}cerr<<endl;
#define printVS(vs) cerr<<(#vs)<<":"<<endl;for(auto(s):(vs)){cerr<<(s)<< endl;}
#define printVV(vv) cerr<<(#vv)<<":"<<endl;for(auto(v):(vv)){for(auto(x):(v)){cerr<<" "<<(x);}cerr<<endl;}
#define printP(p) cerr<<(#p)<<(p).first<<" "<<(p).second<<endl;
#define printVP(vp) cerr<<(#vp)<<":"<<endl;for(auto(p):(vp)){cerr<<(p).first<<" "<<(p).second<<endl;}

inline void output(){ cerr << endl; }
template<typename First, typename... Rest>
inline void output(const First& first, const Rest&... rest) {
    cerr << first << " "; output(rest...);
}

using ll = long long;
using Pii = pair<int, int>;
using TUPLE = tuple<int, int, int>;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
const int inf = 2e9;
const int mod = 1e9 + 7;
using Graph = vector<vector<int>>;

int a[500][500];
bool used[4];
string s = "RYGB";

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);

    int h, w, d;
    cin >> h >> w >> d;
    rep(i, H) {
        rep(j, W) {
            for (int ni = i - d, nj = j; ni <= i; ++ni, --nj) {
                if (ni < 0 || ni > h - 1 || nj < 0 || nj < w - 1) continue;
                used[a[ni][nj]] = true;
            }
            a[i][j] = -1;
            rep(k, 4) {
                if (!used[k]) {
                    a[i][j] = k;
                    break;
                }
            }
            assert(a[i][j] != -1);
            cout << s[a[i][j]];
        }
        cout << "\n";
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:44:12: error: 'H' was not declared in this scope
   44 |     rep(i, H) {
      |            ^
a.cc:4:34: note: in definition of macro 'rep'
    4 | #define rep(i,n) for (int i=0;i<(n);i++)
      |                                  ^
a.cc:45:16: error: 'W' was not declared in this scope
   45 |         rep(j, W) {
      |                ^
a.cc:4:34: note: in definition of macro 'rep'
    4 | #define rep(i,n) for (int i=0;i<(n);i++)
      |                                  ^
Language: C++

#include <bits/stdc++.h>

#define fir first
#define sec second
using namespace std;
typedef long long LL;
typedef unsigned long long u64;

template <typename T> inline bool cmin(T & a, const T & b) { return a > b ? a = b, 1 : 0;}
template <typename T> inline bool cmax(T & a, const T & b) { return a < b ? a = b, 1 : 0;}
int inp() {
	int x = 0, f = 1;char ch;
	for(ch = getchar(); !isdigit(ch); ch = getchar())
		if(ch == '-') f = -1;
	for(; isdigit(ch); x = x * 10 + ch - '0', ch = getchar());
	return x * f;
}

int h, w, d;　

int chk(int x, int y) {
	return 1 <= x && x <= h && 1 <= y && y <= w;
} 

int main() {
	int i, j;
	cin >> h >> w >> d;
	if(d % 2 == 1) {
		assert(0);
	}
	return 0;
}




Compiler output:
a.cc:19:13: error: extended character 　 is not valid in an identifier
   19 | int h, w, d;　
      |             ^
a.cc:19:13: error: '\U00003000' does not name a type
   19 | int h, w, d;　
      |             ^~
Language: C++

#include <bits/stdc++.h>

#define fir first
#define sec second
using namespace std;
typedef long long LL;
typedef unsigned long long u64;

template <typename T> inline bool cmin(T & a, const T & b) { return a > b ? a = b, 1 : 0;}
template <typename T> inline bool cmax(T & a, const T & b) { return a < b ? a = b, 1 : 0;}
int inp() {
	int x = 0, f = 1;char ch;
	for(ch = getchar(); !isdigit(ch); ch = getchar())
		if(ch == '-') f = -1;
	for(; isdigit(ch); x = x * 10 + ch - '0', ch = getchar());
	return x * f;
}

int h, w, d;　

int chk(int x, int y) {
	return 1 <= x && x <= h && 1 <= y && y <= w;
} 

int main() {
	int i, j;
	cin >> h >> w >> d;
	if(d % 2 == 0); else assert(0); 
	return 0;
}




Compiler output:
a.cc:19:13: error: extended character 　 is not valid in an identifier
   19 | int h, w, d;　
      |             ^
a.cc:19:13: error: '\U00003000' does not name a type
   19 | int h, w, d;　
      |             ^~
Language: C++

#include <bits/stdc++.h>
typedef long long LL;
#define SORT(c) sort((c).begin(),(c).end())
 
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
 
using namespace std;
int main(void)
{
  int h,w;
  cin >> h >> w >> d;
  int p=1, q=2, r=4;
  char m[128];
  m[0] = 'R';
  m[1] = 'B';
  m[2] = 'G';
  m[4] = 'Y';
  vector<vector<int> > fi(h,vector<int>(w,0));
  REP(i,h) REP(j,w) {
    int flag=0;
    REP(k,d) {
      if(i-d+k >= 0 && j-k >=0) flag=(flag | fi[i-d+k][j-k]);
    }
    fi[i][j]=0;
    if(!(flag & 1)) fi[i][j]=1;
    if(!(flag & 2)) fi[i][j]=2;
    if(!(flag & 4)) fi[i][j]=4;
  }
  REP(i,h){
    REP(j,w){
      cout << m[fi[i][j]];
    }
    cout << endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'd' was not declared in this scope
   12 |   cin >> h >> w >> d;
      |                    ^
Language: C++


#define REP(i,n) for(int i=0;i<(int)(n);i++)
#define ALL(x) (x).begin(),(x).end()
#define LL long long
#define pii pair<int,int>
#define pll pair<LL,LL>

using namespace std;

int main(){

    int H,W,d;cin>>H>>W>>d;
    char ans[H][W];
    int h = max(1,d/2);
    int w = max(1,d - h);

    string color="RYGBRYGBRYGBRYGBRYGBRYGBRYGBRYGBRYGBRYGBRYGB";

    REP(i,H)REP(j,W){
            int row = i/h;
            int cul = j/w;
            int index;
            if(row%2==0)index=0;
            else index=2;
            ans[i][j]=color[index + cul%4];
        }
    
    REP(i,H){
        REP(j,W){
            cout<<ans[i][j];
        }
        cout<<endl;
    }



    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:15: error: 'cin' was not declared in this scope
   12 |     int H,W,d;cin>>H>>W>>d;
      |               ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | 
a.cc:14:13: error: 'max' was not declared in this scope
   14 |     int h = max(1,d/2);
      |             ^~~
a.cc:17:5: error: 'string' was not declared in this scope
   17 |     string color="RYGBRYGBRYGBRYGBRYGBRYGBRYGBRYGBRYGBRYGBRYGB";
      |     ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | 
a.cc:25:23: error: 'color' was not declared in this scope
   25 |             ans[i][j]=color[index + cul%4];
      |                       ^~~~~
a.cc:30:13: error: 'cout' was not declared in this scope
   30 |             cout<<ans[i][j];
      |             ^~~~
a.cc:30:13: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:32:9: error: 'cout' was not declared in this scope
   32 |         cout<<endl;
      |         ^~~~
a.cc:32:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:32:15: error: 'endl' was not declared in this scope
   32 |         cout<<endl;
      |               ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 |
Language: C++

#include<iostream>
#include<vector>
#include<cstring>

using namespace std;

struct UnionFind
{
  vector< int > data;

  UnionFind(int sz)
  {
    data.assign(sz, -1);
  }

  bool unite(int x, int y)
  {
    x = find(x), y = find(y);
    if(x == y) return (false);
    if(data[x] > data[y]) swap(x, y);
    data[x] += data[y];
    data[y] = x;
    return (true);
  }

  int find(int k)
  {
    if(data[k] < 0) return (k);
    return (data[k] = find(data[k]));
  }

  int size(int k)
  {
    return (-data[find(k)]);
  }
};

set< int > g[500 * 500];
int paint[500 * 500];
int added[500 * 500];
bool v[4][500 * 500];
bool dame[4][500 * 500];


void dfs(int idx, const int color)
{
  if(v[color][idx]) {
    return;
  }
  v[color][idx] = true;

  if(paint[idx] == -1 && !dame[color][idx]) {
    paint[idx] = color;
    for(auto &to : g[idx]) {
      dame[color][to] = true;
    }
  }

  for(auto &to : g[idx]) {
    dfs(to, color);
  }
}

int main()
{
  int H, W, d;

  cin >> H >> W >> d;
  UnionFind uf(H * W);
  for(int i = 0; i < H; i++) {
    for(int j = 0; j < W; j++) {
      for(int k = -d; k <= d; k++) {
        const int p = d - abs(k);
        for(int l : {-p, p}) {
          int y = i + k, x = j + l;
          if(y < 0 || x < 0 || y >= H || x >= W) continue;
          g[i * W + j].emplace(y * W + x);
          uf.unite(i * W + j, y * W + x);
        }
      }
    }
  }

  memset(paint, -1, sizeof(paint));

  for(int i = 0; i < H; i++) {
    for(int j = 0; j < W; j++) {
      if(paint[i * W + j] == -1) {
        dfs(i * W + j, added[uf.find(i * W + j)]++ % 4);
      }
    }
  }

  string s = "RYGB";
  for(int i = 0; i < H; i++) {
    for(int j = 0; j < W; j++) {
      int color = paint[i * W + j];
      cout << s[color];
    }
    cout << endl;
  }
}

Compiler output:
a.cc:38:1: error: 'set' does not name a type
   38 | set< int > g[500 * 500];
      | ^~~
a.cc: In function 'void dfs(int, int)':
a.cc:54:20: error: 'g' was not declared in this scope
   54 |     for(auto &to : g[idx]) {
      |                    ^
a.cc:59:18: error: 'g' was not declared in this scope
   59 |   for(auto &to : g[idx]) {
      |                  ^
a.cc: In function 'int main()':
a.cc:77:11: error: 'g' was not declared in this scope
   77 |           g[i * W + j].emplace(y * W + x);
      |           ^
Language: C++

#include <bits/stdc++.h>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-9;
//const ll mod=1e9+7;
const ll mod=998244353;
const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0};

ll Pow(ll n,ll p){
	ll r=1;
	for(;p>0;p>>=1){
		if(p&1) r=(r*n)%mod;
		n=(n*n)%mod;
	}
	return r;
}

const int M=200005;
ll F[M];

void Init(){
	F[0]=1;
	for(int i=1;i<M;i++) F[i]=F[i-1]*i%mod;
}

ll Div(ll n,ll m){
	return n*Pow(m,mod-2)%mod;
}

ll nCk(ll n,ll k){
	if(n<0) return 1;
	return Div(F[n],F[n-k]*F[k]%mod);
}

int n,m;
string A,B,C,D;

vl ff(){
	vl a(m+1);
	a[0]++;
	if(A!=string(n,'0')){
		int S=0,t=0;
		for(int i=0;i<n;i++) S+=A[i]-'0';
		for(int i=0;i<m;i++){
			t+=C[i]-'0'+D[i]-'0';
			a[i+1]=nCk(S+t-1,t);
		}
	}
	swap(A,B);
	reverse(C.begin(),C.end());
	reverse(D.begin(),D.end());
	return a;
}

ll f(){
	ll res=0,t=0;
	vl a=ff(),b=ff();
	for(int i=0;i<m;i++) if(C[i]=='1'||D[i]=='1'){
		t=(C[i]-'0'+D[i]-'0')*(a[i]+t)%mod;
		(res+=t*b[m-1-i])%=mod;
	}
	swap(A,C);swap(B,D);swap(n,m);
	return res;
}

int main(){
	ios;;sync_with_stdio(0);
	cin.tie(0);
	cin>>n>>m>>A>>B>>C>>D;
	Init();
	cout<<(f()+f())%mod<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:87:9: error: declaration does not declare anything [-fpermissive]
   87 |         ios;;sync_with_stdio(0);
      |         ^~~
a.cc:87:14: error: 'sync_with_stdio' was not declared in this scope
   87 |         ios;;sync_with_stdio(0);
      |              ^~~~~~~~~~~~~~~
Language: C++

// Author: wlzhouzhuan
#pragma GCC optimize(2)
#pragma GCC optimize(3)
#include <bits/stdc++.h>
using namespace std;

#define ll long long 
#define rint register int 
#define rep(i, l, r) for (rint i = l; i <= r; i++)
#define per(i, l, r) for (rint i = l; i >= r; i--)
#define mset(s, _) memset(s, _, sizeof(s))
#define pb push_back
#define pii pair <int, int>
#define mp(a, b) make_pair(a, b)

inline int read() {
  int x = 0, neg = 1; char op = getchar();
  while (!isdigit(op)) { if (op == '-') neg = -1; op = getchar(); }
  while (isdigit(op)) { x = (x << 3) + (x << 1) + op - '0'; op = getchar(); }
  return neg * x;
}

int N, a, opt, now, ans;

int main(){
    scanf("%d", &N);
    for(int i=1; i<=N; i++){
        scanf("%d", &opt);
        a=log2(opt);
        if((1<<a)<opt){
            if(target>a)   target=a;
            else        a++;

        }
        if(a>target)   ans+=a-target, target=a;
        if(a<target)   target=a;
    }
    printf("%d", ans);
    return 0;
}

/*
const int N = 100005;
const int mod = 1e9 + 7;
int a[N], n, ans;
int inv[N];

ll fac(int n) {
  ll res = 1;
  for (rint i = 1; i <= n; i++) {
    res = 1ll * res * i % mod;
  }
  return res;
}

int main() {
  n = read();
  inv[1] = 1;
  for (rint i = 2; i <= n; i++) {
    inv[i] = 1ll * inv[mod % i] * (mod - mod / i) % mod;
  }
  for (rint i = 2; i <= n; i++) {
    inv[i] = (inv[i] + inv[i - 1]) % mod;
  }
  for (rint i = 1; i <= n; i++) {
    a[i] = read();
    if (i > 1) {
      ans += 1ll * (a[i] - a[i - 1]) * inv[i - 1] % mod;
      if (ans > mod) ans -= mod;
    }
  }
  printf("%lld\n", 1ll * ans * fac(n - 1) % mod);
  return 0;
}*/ 

Compiler output:
a.cc: In function 'int main()':
a.cc:31:16: error: 'target' was not declared in this scope
   31 |             if(target>a)   target=a;
      |                ^~~~~~
a.cc:35:14: error: 'target' was not declared in this scope
   35 |         if(a>target)   ans+=a-target, target=a;
      |              ^~~~~~
a.cc:36:14: error: 'target' was not declared in this scope
   36 |         if(a<target)   target=a;
      |              ^~~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define INF 1000000005
#define MOD 1000000007
#define EPS 1e-10
#define rep(i,n) for(int i=0;i<(int)n;++i)
#define each(a,b) for(auto (a): (b))
#define all(v) (v).begin(),(v).end()
#define zip(v) sort(all(v)),v.erase(unique(all(v)),v.end())
#define fi first
#define se second
#define pb push_back
#define show(x) cout<<#x<<" = "<<(x)<<endl
#define spair(p) cout<<#p<<": "<<p.fi<<" "<<p.se<<endl
#define svec(v) cout<<#v<<":";rep(kbrni,v.size())cout<<" "<<v[kbrni];cout<<endl
#define sset(s) cout<<#s<<":";each(kbrni,s)cout<<" "<<kbrni;cout<<endl
#define smap(m) cout<<#m<<":";each(kbrni,m)cout<<" {"<<kbrni.first<<":"<<kbrni.second<<"}";cout<<endl

using namespace std;

typedef pair<int,int>P;

int main()
{
int n;
cin >> n;
vector<int> vec(n);
rep(i,n){
cin >> vec[i];
}
abort(vec[0]%5 >= 4);
cout << "0\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:6: error: too many arguments to function 'void abort()'
   31 | abort(vec[0]%5 >= 4);
      | ~~~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/cstdlib:79,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:42,
                 from a.cc:1:
/usr/include/stdlib.h:730:13: note: declared here
  730 | extern void abort (void) __THROW __attribute__ ((__noreturn__)) __COLD;
      |             ^~~~~