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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#168422#5438. Half MixedZhou_JK#WA 130ms3536kbC++232.7kb2023-09-08 14:46:052023-09-08 14:46:06

Judging History

你现在查看的是最新测评结果

  • [2023-09-08 14:46:06]
  • 评测
  • 测评结果:WA
  • 用时:130ms
  • 内存:3536kb
  • [2023-09-08 14:46:05]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
long long way(int x) {
    return 1ll * x * (x + 1) / 2;
}

void solve() {
    int n, m;
    cin >> n >> m;    
    if (way(n) % 2 == 1 && way(m) % 2 == 1) {
        cout << "No\n";
        return;
    }
    cout << "Yes\n";
    if (way(n) % 2 == 0) {
        long long w = way(n) / 2;
        vector<int> lens;
        for (int i = n; i >= 3; i--) {
            if (w >= way(i)) {
                w -= way(i);
                lens.push_back(i);
                break;
            }
        }
        
        int s = lens.size() ? lens[0] : 0;
        for (int i = 0; i <= n - s; i++) {
            int p = n - s - i;
            if (p % 2 == 0) {
                int j = p / 2;
                if (i + j * 3 == w) {
                    int x = i;
                    while (x--) {
                        lens.push_back(1);
                    }
                    x = j;
                    while (x--) {
                        lens.push_back(2);
                    }
                }
            }
        }
        int i = 0;
        vector<int> col(n);
        int p = 0;
        for (int x : lens) {
            while (x--) col[i++] = p;
            p ^= 1; 
        }
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                cout << col[i] << " ";
            }
            cout << "\n";
        }
        return;
    }
    if (way(m) % 2 == 0) {
        long long w = way(m) / 2;
        vector<int> lens;
        for (int i = m; i >= 3; i--) {
            if (w >= way(i)) {
                w -= way(i);
                lens.push_back(i);
                break;
            }
        }
        int s = lens.size() ? lens[0] : 0;
        for (int i = 0; i <= m - s; i++) {
            int p = m - s - i;
            if (p % 2 == 0) {
                int j = p / 2;
                if (i + j * 3 == w) {
                    int x = i;
                    while (x--) {
                        lens.push_back(1);
                    }
                    x = j;
                    while (x--) {
                        lens.push_back(2);
                    }
                }
            }
        }
        int i = 0;
        vector<int> col(m);
        int p = 0;
        for (int x : lens) {
            while (x--) col[i++] = p;
            p ^= 1;
        }
        
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                cout << col[j] << " ";
            }
            cout << "\n";
        }
        return;
    }
}

int main() {
    ios::sync_with_stdio(false);
    int t;
    cin >> t;
    while (t--) {
        solve();    
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3536kb

input:

2
2 3
1 1

output:

Yes
0 1 0 
0 1 0 
No

result:

ok OK, Accepted. (2 test cases)

Test #2:

score: -100
Wrong Answer
time: 130ms
memory: 3496kb

input:

5382
1 1
1 2
2 1
1 3
2 2
3 1
1 4
2 3
3 2
4 1
1 5
2 4
3 3
4 2
5 1
1 6
2 5
3 4
4 3
5 2
6 1
1 7
2 6
3 5
4 4
5 3
6 2
7 1
1 8
2 7
3 6
4 5
5 4
6 3
7 2
8 1
1 9
2 8
3 7
4 6
5 5
6 4
7 3
8 2
9 1
1 10
2 9
3 8
4 7
5 6
6 5
7 4
8 3
9 2
10 1
1 11
2 10
3 9
4 8
5 7
6 6
7 5
8 4
9 3
10 2
11 1
1 12
2 11
3 10
4 9
5 8
6 ...

output:

No
No
No
Yes
0 1 0 
No
Yes
0 
1 
0 
Yes
0 1 0 0 
Yes
0 1 0 
0 1 0 
Yes
0 0 
1 1 
0 0 
Yes
0 
1 
0 
0 
No
Yes
0 1 0 0 
0 1 0 0 
Yes
0 0 0 
1 1 1 
0 0 0 
Yes
0 0 
1 1 
0 0 
0 0 
No
No
No
Yes
0 0 0 0 
1 1 1 1 
0 0 0 0 
Yes
0 0 0 
1 1 1 
0 0 0 
0 0 0 
No
No
Yes
0 0 0 0 1 0 0 
No
Yes
0 0 0 0 0 
1 1 1 1 1...

result:

wrong answer 0 Mixed Submatrices Found, but 39 Expected (test case 67)