제출 #1230856

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1230856		djsksbrbf	Red-blue table (IZhO19_stones)	C++20	컴파일 에러	0 ms	0 KiB

stones

using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
#define fi first
#define se second
#define pb push_back
const int MOD = 1e9 + 7;
const int MAX = 2e5 + 5;

signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	int tc; cin >> tc;
	while(tc--){
		int n, m; cin >> n >> m;
		char a[n][m];
		for(int i = 0 ; i < n ; i++){
			for(int j = 0 ; j < m ; j++)a[i][j] = '+';
		}
		
		bool swit = 0;
		if(n < m){
			swap(n, m);
			swit = 1;
		}
		
		vector <int> cnt(n, m);
		bool cont = 1;
		int r =0, c = 0;
		ll ans = n;
		
		while(cont){
			int tmp = r;
			for(int i = 1 ; i <= n / 2 + 1 ; i++){
				cnt[tmp]--;
				tmp++;
				if(tmp >= n)tmp = 0;
			}
			
			tmp = r;
			for(int i = 1 ; i <= n / 2 + 1 ; i++){
				if(cnt[tmp] <= m / 2)cont = 0;
				tmp++;
				if(tmp >= n)tmp = 0;
			}
			
			if(!cont)break;
			ans++;
			
			for(int i = 1 ; i <= n ; i++){
				if(swit)a[c][r] = '-';
				else a[r][c] = '-';
				
				r++;
				if(r >= n)r = 0;
			}
			
			c++;
		}
		
		cout << ans << endl;
		
		if(swit){
			for(int i = 0 ; i < n ; i++){
				for(int j = 0 ; j < m ; j++){
					cout << (a[i][j] == '-' ? '+' : '-');
				}
				cout << endl;
			}
		}
		else{
			for(int i = 0 ; i < n ; i++){
				for(int j = 0 ; j < m ; j++){
					cout << a[i][j];
				}
				cout << endl;
			}
		}
	}
	
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

stones.cpp:4:9: error: 'pair' does not name a type
    4 | typedef pair <int, int> pii;
      |         ^~~~
stones.cpp: In function 'int main()':
stones.cpp:12:9: error: 'ios_base' has not been declared
   12 |         ios_base::sync_with_stdio(0);
      |         ^~~~~~~~
stones.cpp:13:9: error: 'cin' was not declared in this scope
   13 |         cin.tie(0);
      |         ^~~
stones.cpp:1:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
  +++ |+#include <iostream>
    1 | 
stones.cpp:25:25: error: 'swap' was not declared in this scope
   25 |                         swap(n, m);
      |                         ^~~~
stones.cpp:29:17: error: 'vector' was not declared in this scope
   29 |                 vector <int> cnt(n, m);
      |                 ^~~~~~
stones.cpp:1:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
  +++ |+#include <vector>
    1 | 
stones.cpp:29:25: error: expected primary-expression before 'int'
   29 |                 vector <int> cnt(n, m);
      |                         ^~~
stones.cpp:37:33: error: 'cnt' was not declared in this scope; did you mean 'cont'?
   37 |                                 cnt[tmp]--;
      |                                 ^~~
      |                                 cont
stones.cpp:44:36: error: 'cnt' was not declared in this scope; did you mean 'cont'?
   44 |                                 if(cnt[tmp] <= m / 2)cont = 0;
      |                                    ^~~
      |                                    cont
stones.cpp:63:17: error: 'cout' was not declared in this scope
   63 |                 cout << ans << endl;
      |                 ^~~~
stones.cpp:63:17: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
stones.cpp:63:32: error: 'endl' was not declared in this scope
   63 |                 cout << ans << endl;
      |                                ^~~~
stones.cpp:1:1: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
  +++ |+#include <ostream>
    1 |