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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#521884#5141. Identical ParityrerebornzhouWA 9ms3616kbC++141.3kb2024-08-16 16:15:512024-08-16 16:15:51

Judging History

你现在查看的是最新测评结果

  • [2024-08-16 16:15:51]
  • 评测
  • 测评结果:WA
  • 用时:9ms
  • 内存:3616kb
  • [2024-08-16 16:15:51]
  • 提交

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

Tip: Click on the bar to expand more detailed information

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]