oj.uz

Submission #1028593

# Submission time Handle Problem Language Result Execution time Memory
1028593 2024-07-20T05:45:12 Z tolbi Dreaming (IOI13_dreaming) C++17
18 / 100
 30 ms 8272 KB 
#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    vector<vector<pair<int,int>>> arr(N);
    for (int i = 0; i < M; i++){
        arr[A[i]].push_back({B[i],T[i]});
        arr[B[i]].push_back({A[i],T[i]});
    }
    vector<int> dp(N,-1);
    function<int(int)> f = [&](int src)->int{
        queue<array<int,3>> qu;
        qu.push({src,0,-1});
        int manode = src;
        int mm = 0;
        vector<int> gez;
        while (qu.size()){
            int node = qu.front()[0];
            int w = qu.front()[1];
            int lnode = qu.front()[2];
            qu.pop();
            if (w>mm) manode=node,mm=w;
            for (auto nex : arr[node]){
                if (nex.first==lnode) continue;
                qu.push({nex.first,nex.second+w,node});
            }
        }
        qu.push({manode,0,-1});
        while (qu.size()){
            int node = qu.front()[0];
            int w = qu.front()[1];
            int lnode = qu.front()[2];
            qu.pop();
            dp[node]=w;
            if (dp[node]>dp[manode]) manode=node;
            for (auto nex : arr[node]){
                if (nex.first==lnode) continue;
                qu.push({nex.first,nex.second+w,node});
            }
        }
        int ret = dp[manode];
        qu.push({manode,0,-1});
        while (qu.size()){
            int node = qu.front()[0];
            int w = qu.front()[1];
            int lnode = qu.front()[2];
            qu.pop();
            ret=min(ret,max(dp[node],w));
            for (auto &nex : arr[node]){
                if (nex.first==lnode) continue;
                qu.push({nex.first,nex.second+w,node});
            }
        }
        return ret;
    };
    vector<int> ansarr;
    for (int i = 0; i < N; ++i)
    {
        if (dp[i]==-1) {
            ansarr.push_back(f(i));
        }
    }
    if (ansarr.size()==1) return 0;
    sort(ansarr.begin(), ansarr.end());
    for (int i = 0; i < ansarr.size()-1; i++){
        ansarr[i]+=L;
    }
    sort(ansarr.begin(), ansarr.end());
    return ansarr[ansarr.size()-1]+ansarr[ansarr.size()-2];
}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:65:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |     for (int i = 0; i < ansarr.size()-1; i++){
      |                     ~~^~~~~~~~~~~~~~~~~

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 8272 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 8272 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 6108 KB Output is correct
2 Correct 21 ms 6096 KB Output is correct
3 Correct 25 ms 6360 KB Output is correct
4 Correct 20 ms 6108 KB Output is correct
5 Correct 20 ms 6108 KB Output is correct
6 Correct 22 ms 6624 KB Output is correct
7 Correct 23 ms 6284 KB Output is correct
8 Correct 21 ms 5992 KB Output is correct
9 Correct 21 ms 5980 KB Output is correct
10 Correct 20 ms 6488 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 10 ms 3840 KB Output is correct
13 Correct 13 ms 4052 KB Output is correct
14 Correct 10 ms 3664 KB Output is correct
15 Correct 10 ms 3800 KB Output is correct
16 Correct 11 ms 3800 KB Output is correct
17 Correct 11 ms 3632 KB Output is correct
18 Correct 11 ms 3800 KB Output is correct
19 Correct 11 ms 3800 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 10 ms 3800 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 30 ms 8272 KB Output isn't correct
2 Halted 0 ms 0 KB -