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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#668944#7735. Primitive RootpotentialWA 6ms3628kbC++201.0kb2024-10-23 16:41:192024-10-23 16:41:20

Judging History

你现在查看的是最新测评结果

  • [2024-10-23 16:41:20]
  • 评测
  • 测评结果:WA
  • 用时:6ms
  • 内存:3628kb
  • [2024-10-23 16:41:19]
  • 提交

answer

# include <bits/stdc++.h>
using namespace std;
# define IOS ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
# define int long long
# define lowbit(x) (x & (-x))
# define fi first
# define se second
# define all(x) x.begin(), x.end()
// # define endl '\n'

inline int Read();

typedef pair<int, int> PII;
const int INF = 0x3f3f3f3f;
const int MOD = 998244353;
const int N = 1e6 + 10;

map <int, int> mp;
vector <int> v;

void Solve(){
    int p, m;
    cin >> p >> m;
    if(m < p){
        cout << 1 <<"\n";
        return;
    }
    int t =max(0ll, m - p);
    int ans = max(0ll, t / p);
    if(t % p){
        if((((ans + 1) * p) ^ (p - 1)) <= t) ans ++;
    }
    ans ++;
    cout << ans <<"\n";
}
signed main(){
    IOS;
    int T = 1;
    cin >> T;
    while (T--) 
        Solve();
    return 0;
}
inline int Read(){
    int x = 0, f = 1; char c = getchar();
    while (c < '0' || c > '9'){ if (c == '-') f = -1; c = getchar();}
    while (c >= '0' && c <= '9') x = x * 10 + c - '0', c = getchar();
    return x * f;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3628kb

input:

3
2 0
7 11
1145141 998244353

output:

1
2
872

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 6ms
memory: 3572kb

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
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...

result:

wrong answer 3rd lines differ - expected: '2', found: '1'