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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#773901#5141. Identical Parityszy10010WA 10ms3676kbC++231.2kb2024-11-23 10:46:072024-11-23 10:46:08

Judging History

你现在查看的是最新测评结果

  • [2024-11-23 10:46:08]
  • 评测
  • 测评结果:WA
  • 用时:10ms
  • 内存:3676kb
  • [2024-11-23 10:46:07]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define sf(x) scanf("%lld",&x)
#define sff(x,y) scanf("%lld%lld",&x,&y)
#define endl '\n'
#define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define pf(x) printf("%lld",x)
#define pii pair<int,int> 
#define f first 
#define s second
#define int long long



//
//
//


void solve()
{
    int m,n;
    cin>>m>>n;

    int now = m/n;
    int yu=m%n;
    if(n%2)
    {
        int y=n/2;
        int x;
        if(m%2)x =now-1;
        else x=now;
            //now-1
            if((yu-x)%2)
            {
                cout<<"No"<<endl;
                return;
            }
            if((yu-x)/2+x>y) 
            {
                cout<<"No"<<endl;
                return;
            }
    }
    else 
    {
        if(m%2) {
            if(yu%2==0)
            {
                cout<<"No"<<endl;
                return;
            }
        }
        else 
        if(yu%2)
        {
            cout<<"No"<<endl;
            return;
        }
    }
    cout<<"Yes"<<endl;
}
signed main()
{
    IOS;
    int _=1;
    cin>>_;
    while(_--)
        solve();
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3604kb

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: 10ms
memory: 3676kb

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
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
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
...

result:

wrong answer expected NO, found YES [18th token]