QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #412430 | #5141. Identical Parity | huangbrother# | WA | 31ms | 3548kb | C++17 | 794b | 2024-05-16 14:06:50 | 2024-05-16 14:06:50 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
int a[100010];
signed main(){
int t;
cin>>t;
while(t--){
int n,k;
cin>>n>>k;
if(n%k==0){
if((n/2)%(n/k)==0)cout<<"YES\n";
else cout<<"NO\n";
}else {
int res1=n+k-1-(n+k-1)/k*k+1;
int res0=k-res1;
int cnt0=n/2;
cnt0-=min(cnt0/(n/k),res0)*(n/k);
if(cnt0/(n/k)<=res0){
cnt0-=cnt0/(n/k)*(n/k);
if(cnt0<=res1)cout<<"YES\n";
else cout<<"NO\n";
}else {
cnt0-=res0*(n/k);
if(cnt0%((n+k-1)/k)==0)cout<<"YES\n";
else cout<<"NO\n";
}
}
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3404kb
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: 31ms
memory: 3548kb
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 NO YES YES YES NO YES YES YES YES YES YES YES NO YES NO YES YES YES YES YES YES NO YES NO YES NO NO YES YES YES YES NO YES YES YES YES NO YES YES YES YES YES NO YES NO YES YES YES YES YES YES YES YES YES NO YES ...
result:
wrong answer expected YES, found NO [25th token]