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Submission #376602

# Submission time Handle Problem Language Result Execution time Memory
376602 2021-03-11T19:28:40 Z ijxjdjd Red-blue table (IZhO19_stones) C++14
11 / 100
 35 ms 1900 KB 
#include <bits/stdc++.h>
#define FR(i, N) for (int i = 0; i < int(N); i++)
#define all(x) begin(x), end(x)

using namespace std;

using ll = long long;

int conv(int i) {
    if (i%2 == 0) {
        return (i-2);
    }
    else {
        return i-1;
    }
}
int main() {
	cin.tie(0);
	cin.sync_with_stdio(0);
	int T;
	cin >> T;
	while (T-->0) {
        int N, M;
        cin >> N >> M;
        char board[N][M];
        if (max(N, M) >= conv(N)+conv(M)) {
            for (int i = 0; i < N; i++) {
                for (int j = 0; j < M; j++) {
                    board[i][j] = (N >= M ? '+' : '-');
                }
            }
        }
        else {
            for (int i = conv(N); i < N; i++) {
                for (int j = 0; j < M; j++) {
                    board[i][j] = '-';
                }
            }
            for (int j = conv(M); j < M; j++) {
                for (int i = 0; i < N; i++) {
                    board[i][j] = '+';
                }
            }
            for (int i = 0; i < conv(N); i++) {
                for (int j = 0; j < conv(M); j++) {
                    board[i][j] = ((i + j)%2 ? '+' : '-');
                }
            }
        }
        cout << max(max(N, M), conv(N) + conv(M)) << '\n';
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < M; j++) {
                cout << board[i][j];
            }
            cout << '\n';
        }
	}
	return 0;
}

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 Wrong answer in test 4 4: 4 < 5

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Wrong answer in test 4 3: 4 < 5

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 Wrong answer in test 4 4: 4 < 5

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 1388 KB Output is correct
2 Correct 30 ms 1900 KB Output is correct
3 Correct 29 ms 1900 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 33 ms 1388 KB Wrong answer in test 4 4: 4 < 5
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 Wrong answer in test 4 4: 4 < 5