QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#521884 | #5141. Identical Parity | rerebornzhou | WA | 9ms | 3616kb | C++14 | 1.3kb | 2024-08-16 16:15:51 | 2024-08-16 16:15:51 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define IOS std::ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
#define int long long
#define ull unsigned long long
#define fi first
#define se second
#define pi pair<int,int>
const int N=1e6+10;
const int INF=1e18;
int a[N];
int t[N][3];
map<pair<int,int>,vector<int>> mp;
void solve(){
int n,k;
cin>>n>>k;
if(n==k){
cout<<"Yes\n";
return;
}
if(k==1){
cout<<"No\n";
return;
}
// if(k>n/2){
// cout<<"Yes\n";
// return;
// }
if(k&1){
// if(n&1){
int ne=0,no=0;
ne=(n+1)/2-((k+1)/2)*(n/k);
no=n/2-((k)/2)*(n/k);
if(ne<0||no<0){
cout<<"No";
return;
}
if(ne<=(k+1)/2&&no<=k/2){
cout<<"Yes\n";
}
else{
cout<<"No\n";
}
// }
// else{
// if(min(n%k,(k/2))+(n/k)*(k/2)==((k+1)/2)*(n/k)){
// cout<<"Yes\n";
// }
// else{
// cout<<"No\n";
// }
// }
}
else{
cout<<"Yes\n";
}
}
signed main(){
IOS
int _=1;
cin>>_;
while(_--){
solve();
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3612kb
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: 9ms
memory: 3616kb
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 NoYes Yes Yes No Yes Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes No Yes NoYes Yes Yes Yes Yes Yes No Yes NoYes NoYes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes No Yes NoYes Yes Yes Yes Yes Yes Yes Yes Yes No Yes NoYe...
result:
wrong output format YES or NO expected, but NOYES found [18th token]