QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #801196 | #9788. Shreckless | isWFnoya# | WA | 18ms | 3860kb | C++23 | 1.2kb | 2024-12-06 19:20:13 | 2024-12-06 19:20:13 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std ;
void solve()
{
int n , m ;
cin >> n >> m ;
vector<vector<int>> a(n , vector<int>(m , 0)) ;
for(int i = 0 ; i < n ; i ++)
for(int j = 0 ; j < m ; j ++)
cin >> a[i][j] ;
multiset<int> b ;
for(int i = 0 ; i < n ; i ++) b.insert(a[i][0]) ;
for(int j = 1 ; j < m ; j ++)
{
if(b.empty()) break ;
multiset<int> s ;
for(int i = 0 ; i < n ; i ++) s.insert(a[i][j]) ;
int siz = b.size() ;
for(auto u : b)
{
auto it = s.lower_bound(u) ;
if(it != s.begin())
{
siz -= 1 ;
it -- ;
s.erase(it) ;
}
}
b.clear() ;
// cout << siz << "??\n" ;
while(siz --)
{
auto it = s.end() ;
it -- ;
b.insert(*it) ;
s.erase(it) ;
}
// for(auto u : b) cout << u << ' ' ; cout << '\n' ;
}
if(b.empty()) cout << "YES\n" ;
else cout << "NO\n" ;
}
int main()
{
std::ios::sync_with_stdio(false) , cin.tie(0) ;
int T ;
cin >> T ;
while (T --) solve() ;
return 0 ;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3860kb
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: 0ms
memory: 3608kb
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: 18ms
memory: 3584kb
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 NO YES NO NO YES YES YES NO NO NO NO YES YES YES YES NO NO YES NO NO NO YES NO YES YES YES YES YES NO NO YES NO YES NO NO YES NO YES YES NO NO 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 NO YES YES YES NO NO YES YES NO NO...
result:
wrong answer expected YES, found NO [2nd token]