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QOJ
The 2nd Universal Cup Finals is coming! Check out our event page, schedule, and competition rules!
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #656093 | #5141. Identical Parity | wzxtsl# | WA | 20ms | 3724kb | C++23 | 636b | 2024-10-19 11:19:08 | 2024-10-19 11:19:08 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define int long long
const int N=2e6+7;
int n,k;
void solve(){
cin>>n>>k;
if(k&1)
{
//if(n<2*k) cout<<"Yes"<<endl;
//else
//{
int q=n/k;
if((n&1)&&(q-1<=k/2)&&(n%k)>=q-1) cout<<"Yes"<<endl;
else if((n%2==0)&&q<=k/2&&(n%k>=q)) cout<<"Yes"<<endl;
else cout<<"No"<<endl;
//}
return;
}
else{
cout<<"Yes"<<endl;
}
}
signed main(){
fast;
int t=1;
cin>>t;
while(t--){
solve();
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3660kb
input:
3 3 1 4 2 5 3
output:
No Yes Yes
result:
ok 3 token(s): yes count is 2, no count is 1
Test #2:
score: -100
Wrong Answer
time: 20ms
memory: 3724kb
input:
100000 1 1 2 1 2 2 3 1 3 2 3 3 4 1 4 2 4 3 4 4 5 1 5 2 5 3 5 4 5 5 6 1 6 2 6 3 6 4 6 5 6 6 7 1 7 2 7 3 7 4 7 5 7 6 7 7 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 10 10 11 1 11 2 11 3 11 4 11 5 11 6 11 7 11 8 11 9 11 10 11 11 12 1 ...
output:
Yes No Yes No Yes Yes No Yes Yes Yes No Yes Yes Yes Yes No Yes No Yes Yes Yes No Yes Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes No Yes No Yes No Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes...
result:
wrong answer expected NO, found YES [96th token]