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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
#190907#5117. Find MaximumPHarr#TL 4ms3716kbC++20967b2023-09-29 15:36:452023-09-29 15:36:46

Judging History

你现在查看的是最新测评结果

  • [2023-09-29 15:36:46]
  • 评测
  • 测评结果:TL
  • 用时:4ms
  • 内存:3716kb
  • [2023-09-29 15:36:45]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

#define int long long

const int inf = 1e18;

using vi = vector<int>;

map<int, int> g;

int f(int x) {
    if (g[x] != 0) return g[x];
    if (x % 3 == 0) return g[x] = f(x / 3) + 1;
    else return g[x] = f(x - x % 3) + x % 3;
}

void solve(){
    int l , r;
    cin >> l >> r;
    int res = 0;
    for( int i = r , n = max( l , r - 500 ); i >= n ; i -- )
        res = max( res , f(i) );
    cout << res << "\n";
}


int32_t main() {
    ios::sync_with_stdio(false), cin.tie(nullptr);
    int t;
    g[0] = 1;
    for( cin >> t; t ; t -- )
        solve();
//    for (int i = 1, x; i <= 100; i++) {
//        vi a;
//        x = i;
//        for (; x; x /= 3) a.push_back(x % 3);
//        reverse(a.begin(), a.end() );
//        cout << i << " : ";
//        for( auto j : a ) cout << j;
//        cout << " , ";
//        cout << f(i) << "\n";
//    }

    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3644kb

input:

10
1 2
1 3
1 4
1 5
2 3
2 4
2 5
3 4
3 5
4 5

output:

3
3
4
5
3
4
5
4
5
5

result:

ok 10 numbers

Test #2:

score: 0
Accepted
time: 4ms
memory: 3716kb

input:

5050
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
1 10
1 11
1 12
1 13
1 14
1 15
1 16
1 17
1 18
1 19
1 20
1 21
1 22
1 23
1 24
1 25
1 26
1 27
1 28
1 29
1 30
1 31
1 32
1 33
1 34
1 35
1 36
1 37
1 38
1 39
1 40
1 41
1 42
1 43
1 44
1 45
1 46
1 47
1 48
1 49
1 50
1 51
1 52
1 53
1 54
1 55
1 56
1 57
1 58
1 59
1 60
1 61...

output:

2
3
3
4
5
5
5
6
6
6
6
6
6
7
7
7
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
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
3
3
4
5
5
5
6
6
6
6
6
6
7
7
7
8
8
8
8
8
8
8...

result:

ok 5050 numbers

Test #3:

score: -100
Time Limit Exceeded

input:

10000
2924776299390853 348932224550662831
638290869233943020 897334616745111026
210780034220004669 279345354637770906
20574264013277469 387573622060864735
39441497975868873 806211034038773415
19845198891021950 243636832211738144
298454268109304380 988142879006387197
613847475002049291 86666797163210...

output:

75
85
83
81
83
88
79
82
77
77
79
80
87
80
88
86
81
74
83
85
77
87
88
85
83
87
79
78
83
85
84
84
82
77
81
80
76
85
80
73
81
80
69
76
78
83
82
76
72
80
81
84
83
77
90
85
78
75
84
83
78
80
79
76
80
81
90
81
71
73
79
93
86
75
82
79
82
81
79
78
76
74
92
74
87
80
84
74
84
81
86
77
89
86
78
79
81
85
85
86
...

result: