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#698703#5117. Find MaximumIsacBieber#WA 0ms3644kbC++231.5kb2024-11-01 21:27:422024-11-01 21:27:47

Judging History

你现在查看的是最新测评结果

  • [2024-11-01 21:27:47]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3644kb
  • [2024-11-01 21:27:42]
  • 提交

answer

#include<bits/stdc++.h>
#define debug(x) cerr<<#x<<":"<<x<<'\n';
using namespace std;
using ll = long long;
using ull = unsigned long long;
const int N = 1e5 + 5, M = 64, MOD = 1e9 + 7;
ll bit[2][M], len[2];
ll l, r;
// void dfs(int u,bool g, int sum)
// {
//     if(u == -1) {
//         ans = std::max(ans, sum);
//         return;
//     }
//     if(!g) {
//         dfs(u - 1, g, sum + 3);
//     }
//     else {
//         if(bit[1][u]) {
//             dfs(u - 1, g, sum + bit[1][u] + 1);
//             dfs(u - 1, 0, sum + bit[1][u]);
//         }
//         else dfs(u - 1, g, sum + bit[1][u] + 1);
//     }
// }
void solve()
{
    ll ans=0;
    cin>>l>>r;
    len[0] = len[1] = -1;
    for(int i=0;i<M;i++) bit[0][i] = bit[1][i] = 0;
    while(l)
    {
        bit[0][++len[0]] = l%3;
        l /= 3;
    }
    while(r)
    {
        bit[1][++len[1]] = r%3;
        r /= 3;
    }
    for(int i=len[1];i>=0;i--) 
    {
        if(bit[0][i]==bit[1][i]){
            ans+=bit[0][i]+1;
        }else{
            //bit[0][i]<bit[1][i]    
            ll tmp=0;
            for(int j=i;j>=0;j--){
                tmp+=1+bit[1][j];
            }
            ans+=max(bit[1][i]-1+(i==len[1]?0:1)+i*3,tmp);
            cout<<' '<<ans<<endl;
            return;
        }
    }

}
int main(void)
{
    ios::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    int T = 1;
    cin >> T;
    while(T--) solve();
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3600kb

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: -100
Wrong Answer
time: 0ms
memory: 3644kb

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:

 3
 3
 4
 5
 4
 5
 6
 6
 6
 6
 6
 6
 7
 6
 7
 8
 7
 7
 7
 7
 7
 8
 7
 8
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 9
 10
 9
 9
 9
 9
 9
 10
 9
 10
 11
 10
 10
 10
 10
 10
 10
 10
 10
 10
 10
 10
 10
 10
 10
 10
 10
 10
 11
 10
 10
 10
 10
 10
 11
 10
 11
 12
 12
 12
 12
 12
 12
 12
 12
 12
...

result:

wrong answer 1st numbers differ - expected: '2', found: '3'