QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#608160 | #5438. Half Mixed | lonelywolf | WA | 114ms | 3864kb | C++20 | 1.4kb | 2024-10-03 19:13:19 | 2024-10-03 19:13:20 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve() {
int n, m;
cin >> n >> m;
if ((n + 1) * n % 4 && (m + 1) * m % 4) {
cout << "No\n";
return;
}
cout << "Yes\n";
bool f = false;
if ((m + 1) * m % 4) {
swap(n, m);
f = true;
}
vector<vector<int>> a(n + 1, vector<int>(m + 1));
int t = (m + 1) * m / 4 - m;
vector<int> ans;
while (t > 0) {
int l = 1, r = m + 1;
while (l + 1 != r) {
int mid = (l + r) / 2;
if (mid * (mid - 1) / 2 <= t) {
l = mid;
} else {
r = mid;
}
}
t -= (l - 1) * l / 2;
ans.push_back(l);
}
vector<int> x;
for (int i = 0; i < ans.size(); i++) {
for (int j = 0; j < ans[i]; j++) {
x.push_back(1);
}
x.push_back(0);
}
int now = 1;
while (x.size() < m) {
x.push_back(now);
now ^= 1;
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
a[i][j] = x[j - 1];
}
}
if (f) {
for (int j = 1; j <= m; j++) {
for (int i = 1; i <= n; i++) {
cout << a[i][j] << " \n"[i == n];
}
}
} else {
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cout << a[i][j] << " \n"[j == m];
}
}
}
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while (t--) {
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3864kb
input:
2 2 3 1 1
output:
Yes 1 0 1 1 0 1 No
result:
ok OK, Accepted. (2 test cases)
Test #2:
score: -100
Wrong Answer
time: 114ms
memory: 3784kb
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 1 0 1 No Yes 1 0 1 Yes 1 1 0 1 Yes 1 0 1 1 0 1 Yes 1 1 0 0 1 1 Yes 1 1 0 1 No Yes 1 1 0 1 1 1 0 1 Yes 1 0 1 1 0 1 1 0 1 Yes 1 1 1 1 0 0 1 1 No No No Yes 1 1 0 1 1 1 0 1 1 1 0 1 Yes 1 0 1 1 0 1 1 0 1 1 0 1 No No Yes 1 1 1 1 0 1 1 No Yes 1 1 1 1 1 0 0 0 0 0 1 1 1 1 1 Yes 1 1 0 1 1 1 0 1 1...
result:
wrong answer 69 Mixed Submatrices Found, but 68 Expected (test case 121)