Submission #961753

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
961753	2024-04-12 12:06:51	Prieved1	Longest Trip (IOI23_longesttrip)	C++17	15 / 100	36 ms	3952 KiB

longesttrip

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    #include "longesttrip.h"
    #include <bits/stdc++.h>
    using namespace std;
    int cnt=0;
    int n;
    map<int, map<int,int>> mp;
    bool query1(int a, int b) {
      if(mp[a][b]!=0)return mp[a][b]-1;
      int c=are_connected({a}, {b});
      mp[a][b]=c+1;
      mp[b][a]=c+1;
      cnt++;
      return c;
    }
    bool query2(int a, int b) {
     for(int j  = 0;j<n;j++) {
      if(a==j or j==b)continue;
      if(mp[a][j]==1 and mp[j][b]==1) {
        mp[a][b]=2;
        mp[b][a]=2;
        return 1;
      }
     }
     return query1(a,b);
    }
    vector<int> longest_trip(int N, int D)
    {
      n=N;
      cnt=0;
      mp.clear();
 
 
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Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:120:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  120 |       for(int j = res+1;j<t[0].size();j++) {
      |                         ~^~~~~~~~~~~~
longesttrip.cpp:124:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  124 |       for(int j = res2;j<t[1].size();j++)ans.push_back(t[1][j]);
      |                        ~^~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 25
• Subtask 4: 0 / 60