Submission #849762

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
849762	2023-09-15 09:31:55	MuntherCarrot	Longest Trip (IOI23_longesttrip)	C++17	100 / 100	14 ms	852 KiB

longesttrip

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// by me
#include "longesttrip.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
#define all(x) x.begin(), x.end()
bool are_connected(std::vector<int> A, std::vector<int> B);
bool con(vector<int> a, vector<int> b){
    return are_connected(a, b);
}
std::vector<int> longest_trip(int N, int D)
{
    vector<int> v1 = {0}, v2 = {1};
    for(int i = 2; i < N; i++){
        if(i == N - 1){
            // con?(a, b) -> mrg(a, b)
            if(con({v1.back()}, {N - 1})){
                v1.push_back(N - 1);
            }
            // con?(c, b) -> mrg(c, b)
            else if(con({v2.back()}, {N - 1})){
                v2.push_back(N - 1);
            }
            // mrg(a, c)
            else{
                for(int i = v2.size() - 1; i >= 0; i--){
 
 
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Compilation message (stderr)

longesttrip.cpp: In function 'std::vector<int> longest_trip(int, int)':
longesttrip.cpp:91:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |         for(int i = 0; i < v2.size(); i++){
      |                        ~~^~~~~~~~~~~
longesttrip.cpp:98:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |         for(int i = 0; i < v2.size(); i++){
      |                        ~~^~~~~~~~~~~
longesttrip.cpp:120:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  120 |     for(int i = 0; i < v1.size(); i++){
      |                    ~~^~~~~~~~~~~
longesttrip.cpp:141:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  141 |     for(int i = 0; i < v2.size(); i++){
      |                    ~~^~~~~~~~~~~

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