QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #775813 | #9788. Shreckless | ucup-team191# | WA | 13ms | 3624kb | C++23 | 996b | 2024-11-23 16:46:38 | 2024-11-23 16:46:38 |
Judging History
answer
#include <bits/stdc++.h>
#define X first
#define Y second
#define PB push_back
using namespace std;
typedef vector<int> vi;
typedef long long ll;
const int N = 3e5 + 2;
int t, n, m;
vector<int> a[N];
int main() {
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> t;
while (t--) {
cin >> n >> m;
for (int i = 0; i < n; ++i) {
a[i].resize(m);
for (int j = 0; j < m; ++j) cin >> a[i][j];
}
vector<int> v = {};
multiset<int> ms;
for (int i = 0; i < n; ++i) v.push_back(a[i][0]);
for (int j = 1; j < m; ++j) {
vector<int> cur = {};
sort(v.begin(), v.end());
for (int i = 0; i < n; ++i) ms.insert(a[i][j]);
for (int x : v) {
auto it = ms.lower_bound(x);
if (it == ms.begin()) {
cur.push_back(*--ms.end());
ms.erase(--ms.end());
} else {
--it;
ms.erase(it);
}
}
swap(v, cur);
}
if (v.empty()) cout << "YES\n";
else cout << "NO\n";
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3540kb
input:
3 2 2 69 69 2024 42 3 3 1 1 1 1 1 1 2 2 2 3 4 1 1 1 1 1 1 1 1 2 2 2 2
output:
YES NO YES
result:
ok 3 token(s): yes count is 2, no count is 1
Test #2:
score: 0
Accepted
time: 1ms
memory: 3616kb
input:
3 2 2 69 69 2024 42 3 3 1 1 1 1 1 1 2 2 2 3 4 1 1 1 1 1 1 1 1 2 2 2 2
output:
YES NO YES
result:
ok 3 token(s): yes count is 2, no count is 1
Test #3:
score: -100
Wrong Answer
time: 13ms
memory: 3624kb
input:
20000 6 2 12 4 8 24 2 10 1 22 3 15 18 20 3 3 3 8 18 2 17 15 13 4 6 3 3 7 17 15 8 6 3 18 13 9 3 3 2 3 14 1 7 17 4 6 13 3 3 6 10 14 3 9 13 1 7 15 2 4 1 3 16 14 6 10 4 2 3 3 3 2 17 7 11 13 16 5 18 2 3 2 3 6 4 1 5 2 4 4 6 13 14 2 11 12 16 3 3 2 8 12 4 9 17 5 7 18 3 2 5 10 8 9 1 6 2 2 2 4 1 3 2 3 12 6 1 ...
output:
NO YES YES NO NO YES YES YES NO NO NO NO YES YES YES YES NO NO YES NO NO NO YES YES YES YES YES YES YES NO NO YES NO YES NO NO YES NO YES YES NO YES YES NO YES NO NO YES YES YES NO NO NO YES YES YES NO NO NO YES NO NO YES NO NO NO YES YES YES YES NO NO YES NO NO NO NO YES YES YES YES NO NO YES YES N...
result:
wrong answer expected NO, found YES [24th token]