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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#401932 | #5438. Half Mixed | duker | WA | 157ms | 11596kb | C++23 | 1.5kb | 2024-04-29 16:52:19 | 2024-04-29 16:52:19 |
Judging History
answer
#define _CRT_SECURE_NO_WARNINGS 0
#include <iostream>
#include<iomanip>
#include<algorithm>
#include<vector>
#include<map>
#include<string>
#include<set>
#include<queue>
#include <stack>
#include<list>
#include<cstring>
#include<cmath>
#include <cstdlib>
#include<fstream>
#include<climits>
using namespace std;
long long karr[1000005];
void solve() {
int n, m;
cin >> n >> m;
if (((m * n * (m + 1) * (n + 1) ) / 4) % 2 == 0) {
if ((n * (n + 1) / 2) % 2 == 0) {
swap(m, n);
}
cout << "Yes" << endl;
int total = m * (m + 1) / 4;
vector<int> ans;
vector<bool> flag;
long long sum = 1;
bool swich = true;
while (total > 0)
{
long long pos = lower_bound(karr + 1, karr + 1000000 + 1, total - m + sum) - karr;
ans.push_back(pos);
sum += pos;
total -= karr[pos];
for (int i = 0; i < pos; i++)
{
flag.push_back(swich);
}
swich = !swich;
}
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
printf("%d ", flag[j] ? 1 : 0);
}
printf("\n");
}
}
else {
cout << "No" << endl;
}
}
int main() {
int t;
cin >> t;
for (int i = 1; i < 1000000; i++)
{
karr[i] += karr[i - 1] + i;
}
while (t--)
{
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 11540kb
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: 157ms
memory: 11596kb
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 0 1 1 0 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 0 1 1 1 0 1 No No No Yes 1 0 1 1 0 1 1 0 1 1 0 1 Yes 1 1 0 1 1 1 0 1 1 1 0 1 No No Yes 1 1 1 1 0 0 1 No Yes 1 0 1 1 0 1 1 0 1 1 0 1 ...
result:
wrong answer 14 Mixed Submatrices Found, but 15 Expected (test case 14)