QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#616640 | #5438. Half Mixed | mhw | WA | 93ms | 19384kb | C++20 | 1.6kb | 2024-10-06 09:29:01 | 2024-10-06 09:29:01 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 2e6 + 5;
int w[N];
void solve()
{
int n, m, p;
cin >> n >> m;
if (n % 4 == 0 || n % 4 == 3) p = n;
else if (m % 4 == 0 || m % 4 == 3) p = m;
else
{
cout << "No\n";
return;
}
int pp = p;
int aw = p * (p + 1) / 4;
vector<int> ans;
while (aw != p)
{
int t = upper_bound(w + 1, w + N, aw) - w - 1;
if (w[t] == aw) t--;
if (t <= 0) break;
aw -= w[t];
p -= t;
ans.push_back(t);
}
while (aw--) ans.push_back(1);
cout << "Yes\n";
if (pp == n)
{
int now = 1;
for (auto i: ans)
{
while (i--)
{
for (int j = 1; j <= m; j++) cout << now << ' ';
cout << '\n';
}
now ^= 1;
}
}
else
{
for (int i = 1; i <= n; i++)
{
int now = 1;
for (auto j: ans)
{
while (j--) cout << now << ' ';
now ^= 1;
}
cout << '\n';
}
}
}
signed main()
{
// freopen("D:\\3022244240\\vscode\\txt\\in.txt", "r", stdin);
// freopen("D:\\3022244240\\vscode\\txt\\out.txt", "w", stdout);
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
for (int i = 1; i < N; i++) w[i] = i * (i + 1) / 2;
int T = 1; cin >> T;
while (T--) solve();
return 0;
}
/*
5
2 3
1 1
1 8
3 8
8 3
*/
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 19168kb
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: 93ms
memory: 19384kb
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 1 1 0 0 0 1 1 1 Yes 1 1 1 1 0 0 1 1 No No No Yes 1 1 1 1 0 0 0 0 1 1 1 1 Yes 1 1 1 1 1 1 0 0 0 1 1 1 No No Yes 1 1 1 1 0 0 1 No Yes 1 1 1 1 1 0 0 0 0 0...
result:
wrong output format Expected integer, but "Yes" found (test case 67)