QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#608444 | #5438. Half Mixed | LittleYoo | TL | 0ms | 3568kb | C++20 | 1.1kb | 2024-10-03 21:57:40 | 2024-10-03 21:57:40 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve()
{
int n, m;
cin >> n >> m;
if(n * m * (n + 1) * (m + 1) % 8 != 0) {
cout << "No\n";
return ;
}
cout << "Yes\n";
bool horizon = 1;
if(m * (m + 1) % 4 != 0) {
swap(n, m);
horizon = 0;
}
int tar = m * (m + 1) / 4, rem = m, cur = 0;
vector<int> seg;
auto ok = [&](int x) {
int add = x * (x + 1) / 2;
return cur + add + rem <= tar;
};
while(rem) {
int l = 1, r = m + 1;
while(l < r - 1) {
int mid = l + r >> 1;
if(ok(mid))
l = mid;
else
r = mid;
}
seg.emplace_back(l);
rem -= l;
cur += l * (l + 1) / 2;
}
string s;
bool now = 0;
for(auto &c : seg) {
for(int i = 0; i < c; ++i)
s += '0' + now;
now ^= 1;
}
if(horizon) {
for(int i = 0; i < n; ++i) {
for(auto &c : s)
cout << c << ' ';
cout << '\n';
}
} else {
for(auto &c : s) {
for(int i = 0; i < n; ++i)
cout << c << " \n"[i == n - 1];
}
}
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0);
int T = 1;
cin >> T;
while(T--)
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3568kb
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
Time Limit Exceeded
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 ...