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Submission #380038

# Submission time Handle Problem Language Result Execution time Memory
380038 2021-03-20T07:06:00 Z Kalashnikov Red-blue table (IZhO19_stones) C++17
0 / 100
 36 ms 1388 KB 
#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 500+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;
 
void solve() {
	int n , m;
	cin >> n >> m;
	cout << max(n , m) + (min(n , m)+1)/2-1 << '\n';
	for(int i = 1; i <= n; i ++) {
		for(int j = 1; j <= m; j ++) {
			if(n >= m) {
				if(j <= (m+1)/2) {
					cout << '+';
				}
				else {
					cout << '-';
				}
			}
			else {
				if(i <= (n+1)/2) {
					cout << '-';
				}
				else {
					cout << '+';
				}
			}
		}
		cout << '\n';
	}
//	cout << '\n';
}
/*
1 2 1 2   2
 
 
*/
main() {
    ios;
    int tt = 1;
    cin >> tt;
    while(tt --) {
        solve();
    }
    return 0;
}

Compilation message

stones.cpp:47:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   47 | main() {
      |      ^

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB in the table A+B is not equal to 4

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB in the table A+B is not equal to 20

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB in the table A+B is not equal to 4

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 36 ms 1388 KB Wrong answer in test 97 21: 107 < 116
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 35 ms 1388 KB in the table A+B is not equal to 35
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB in the table A+B is not equal to 4