QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #354952 | #5141. Identical Parity | czc | WA | 7ms | 3828kb | C++23 | 433b | 2024-03-16 09:50:57 | 2024-03-16 09:50:57 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int T,n,k;
inline bool check(int a,int b,int c,int d,int e){
int y=e%b,x=e/b-y;
assert(b*x+d*y==e);
int t=floor((double)(a-x)/(double)d);
x+=t*d; y-=t*b;
return y<=c;
}
int main(){
scanf("%d",&T);
while(T--){
scanf("%d%d",&n,&k);
if(check(k-(n%k),n/k,n%k,n/k+1,n/2)) puts("Yes");
else puts("No");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3768kb
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: 7ms
memory: 3828kb
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 Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes No...
result:
wrong answer expected NO, found YES [18th token]