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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#859633#9678. 网友小 Z 的树rqoi0310 1ms10184kbC++201.3kb2025-01-17 21:17:542025-01-17 21:18:29

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你现在查看的是最新测评结果

  • [2025-01-17 21:18:29]
  • 评测
  • 测评结果:0
  • 用时:1ms
  • 内存:10184kb
  • [2025-01-17 21:17:54]
  • 提交

answer

#include"diameter.h"
#include<algorithm>
#include<utility>
#include<tuple>
std::pair<int,int> find_diameter(int task_id,int n) {
    if(n==1) {
        return {1,1};
    }
    if(n==2) {
        return {1,2};
    }
    if(n==3) {
        if(in(1,2,3)) {
            return {2,3};
        }
        if(in(2,1,3)) {
            return {1,3};
        }
        return {1,2};
    }
    const auto find([&](const int &x,const int &y)->std::tuple<std::tuple<int,int>,std::tuple<int,int>> {
        std::tuple<int,int> min(1000000000,0),max(-1000000000,0);
        for(int i=1;i<=n;i++) {
            if(i==x||i==y) {
                continue;
            }
            std::tuple<int,int> tmp(query(x,y,i),i);
            min=std::min(min,tmp);
            max=std::max(max,tmp);
        }
        return {min,max};
    });
    int a{std::get<1>(std::get<1>(find(1,2)))};
    int b{std::get<1>(std::get<1>(find(1,a)))};
    auto [r0,r1](find(a,b));
    auto &[d0,x](r0);
    auto &[s,c](r1);
    if(x==c) {
        return {a,b};
    }
    int d1{},d2{};
    if(in(x,a,c)) {
        d1=query(x,a,c),d2=s-d0-d1;
    }
    else {
        d2=query(x,b,c),d1=s-d0-d2;
    }
    if(d0>=d1&&d0>=d2) {
        return {a,b};
    }
    if(d1>=d2) {
        return {a,c};
    }
    return {b,c};
}

Details

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Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 10184kb

input:

1 100
25
1 3
2 18
3 8
4 18
5 14
6 22
7 18
8 10
9 11
10 12
11 25
12 16
13 11
14 17
15 17
16 25
17 2
18 20
19 18
20 12
21 1
22 17
23 14
24 1
50
1 37
2 27
3 10
4 25
5 16
6 17
7 10
8 36
9 16
10 6
11 48
12 2
13 28
14 30
15 10
16 44
17 31
18 1
19 6
20 7
21 30
22 42
23 45
24 23
25 27
26 39
27 45
28 48
29 4...

output:

WA

result:

wrong answer Wrong Answer

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #2:

0%

Subtask #4:

score: 0
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Dependency #3:

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Subtask #5:

score: 0
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Dependency #4:

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Subtask #6:

score: 0
Skipped

Dependency #5:

0%

Subtask #7:

score: 0
Skipped

Dependency #6:

0%

Subtask #8:

score: 0
Skipped

Dependency #7:

0%

Subtask #9:

score: 0
Skipped

Dependency #8:

0%

Subtask #10:

score: 0
Skipped

Dependency #9:

0%

Subtask #11:

score: 0
Skipped

Dependency #1:

0%