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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#643581#7735. Primitive Rootcy325WA 33ms3672kbC++201.5kb2024-10-15 22:04:112024-10-15 22:04:12

Judging History

你现在查看的是最新测评结果

  • [2024-10-15 22:04:12]
  • 评测
  • 测评结果:WA
  • 用时:33ms
  • 内存:3672kb
  • [2024-10-15 22:04:11]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
void solve(){
    int p,m;
    cin>>p>>m;
    if(p==1){
        cout<<m<<endl;
        return;
    }else {
        int idx;
        if(p%2==0){  idx= m / p;}
        if(m==0){
            if(((p-1)^(1))<=m){
                cout<<1<<endl;
                return;
            }else{
                cout<<0<<endl;
                return;
            }
        }
        else { idx = m / p + 1; }
        if(((p-1)^(idx*p+1))<=m){
            if(((p-1)^((idx-1)*p+1))>m){
                cout<<idx<<endl;
                return;
                }
            if(((p-1)^((idx+1)*p+1))>m){
                cout<<idx<<endl;
                return;
            }
            cout<<idx+1<<endl;
            return;
        }else{
            cout<<idx<<endl;
//            return;
        }
    }
//    int i=0;
//    int cnt=0;
//    int last=p;
//    vector<int> a;
//    while(1){
//        int x=(p-1)^(i*p+1);
////        if(last>m&&x>m)break;
//        if(last>m*2024)break;
//        if(x<=m) {
//            cnt++;a.push_back(x);
//        }
//        cout<<"idx:"<<i<<" x:"<<x<<" ";
//        last=x;
//        i++;
//    }
//    cout<<endl;
//    for(int i=0;i<a.size();i++){cout<<a[i]<<" ";}
//    cout<<a.size()<<endl;
//    cout<<endl;

}
signed main() {
    std::ios::sync_with_stdio(false);

    int t;
    cin>>t;
    while(t--)solve();
//    solve();
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3552kb

input:

3
2 0
7 11
1145141 998244353

output:

1
2
872

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 33ms
memory: 3672kb

input:

47595
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
2 11
2 12
2 13
2 14
2 15
2 16
2 17
2 18
2 19
2 20
2 21
2 22
2 23
2 24
2 25
2 26
2 27
2 28
2 29
2 30
2 31
2 32
2 33
2 34
2 35
2 36
2 37
2 38
2 39
2 40
2 41
2 42
2 43
2 44
2 45
2 46
2 47
2 48
2 49
2 50
2 51
2 52
2 53
2 54
2 55
2 56
2 57
2 58
2 59
2 60...

output:

1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
...

result:

wrong answer 503rd lines differ - expected: '0', found: '1'