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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#756568#5141. Identical ParityThe_clear_poolWA 35ms3640kbC++141.2kb2024-11-16 20:58:382024-11-16 20:58:39

Judging History

你现在查看的是最新测评结果

  • [2024-11-16 20:58:39]
  • 评测
  • 测评结果:WA
  • 用时:35ms
  • 内存:3640kb
  • [2024-11-16 20:58:38]
  • 提交

answer

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int t;
int main(){
    cin>>t;
    while(t--){
        int n,k;
        cin>>n>>k;
        if(n==1&&k==1){
            cout<<"Yes\n";
            continue;
        }
        if(k==1){
            cout<<"No\n";
            continue;
        }
        if((k&1)==0){
            cout<<"Yes\n";
            continue;
        }
        if(n<=2*k){
            if(n<2*k){
                cout<<"Yes\n";
                continue;
            }
            else{
                if((n/2)&1){
                    cout<<"No\n";
                }
                else{
                    cout<<"Yes\n";
                }
                continue;
            }
        }
        if(n/k==n%k+1&&(n&1)){
            if(n%k<=k/2) cout<<"Yes\n";
            else cout<<"No\n";
            continue;
        }
        if(n/k<=n%k){
            int tmp=n%k-n/k;
            if(tmp%2!=n%2){
                cout<<"No\n";
            }
            else{
                if(n%k+tmp/2<=k/2) cout<<"Yes\n";
                else cout<<"No\n";
            }
        }
        else{
            cout<<"No\n";
        }
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3640kb

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: 35ms
memory: 3632kb

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 YES, found NO [83rd token]