QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#657997 | #7735. Primitive Root | miluosi | WA | 11ms | 3676kb | C++14 | 697b | 2024-10-19 15:57:00 | 2024-10-19 15:57:07 |
Judging History
answer
#include<iostream>
#include<unordered_map>
#include<vector>
#include<algorithm>
#include<string>
#include<math.h>
#include<map>
#include<set>
#include<string.h>
#include<iomanip>
#include<queue>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> PII;
//int mod = 998244353;
ull log(ull p, ull m) {
ull ans = 0;
while (m) {
m /= p;
ans++;
}
return ans;
}
int main()
{
int t;
cin >> t;
while (t--)
{
ull p, m;
cin >> p >> m;
ull k = 0,ans=0;
for (k = 0;k<=log(p,m)+min(p,min(m,m/p)); k++)
{
if (((k * p + 1) ^ (p - 1)) <= m)
{
ans++;
}
}
cout << ans << endl;
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3644kb
input:
3 2 0 7 11 1145141 998244353
output:
1 2 872
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 11ms
memory: 3676kb
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 7 7 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 1...
result:
wrong answer 15th lines differ - expected: '8', found: '7'