QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #89867 | #5141. Identical Parity | ylf20010818 | WA | 19ms | 3364kb | C++17 | 804b | 2023-03-21 17:33:30 | 2023-03-21 17:33:33 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll t,n,k;
int main()
{
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
cin>>t;
while(t--)
{
cin>>n>>k;
if(n%k==0)
{
if(k%2==0||n==k) cout<<"YES\n";
else cout<<"NO\n";
}
else
{
ll m=n/2;
ll val1=n/k+1,val2=n/k;
ll num1=n%k,num2=k-n%k;
ll num=min(num1,m/val1);
m-=num*val1;
ll kk=m/val2;
m-=kk*val2;
num2-=kk;
if(m!=0)
{
num2--;
num2-=(val2-m);
}
if(num2>=0) cout<<"YES\n";
else cout<<"NO\n";
}
}
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 3340kb
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: 19ms
memory: 3364kb
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 [125th token]