Submission #1058166

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1058166	2024-08-14 08:47:56	SalihSahin	Thousands Islands (IOI22_islands)	C++17	10 / 100	16 ms	4472 KiB

islands

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#include<bits/stdc++.h>
#define pb push_back
using namespace std;
#include "islands.h"
const int N = 1e3 + 5;
vector<int> nodes, cycle, adj[N];
vector<bool> vis(N);
void dfs(int node){
    if(cycle.size() > 0) return;
    nodes.pb(node);
    vis[node] = 1;
    for(auto itr: adj[node]){
        if(!vis[itr]){
            dfs(itr);
        }
        if(itr == 0 && nodes.size() > 2) cycle = nodes;
        if(cycle.size() > 0) return;
    }
    nodes.pop_back();
}
std::variant<bool, std::vector<int>> find_journey(int N, int M, std::vector<int> U, std::vector<int> V) {
  if(N == 2){ // subtask 1
    vector<int> c[2];
    for(int i = 0; i < M; i++){
 
 
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Compilation message (stderr)

islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)':
islands.cpp:90:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |         for(int i = 0; i < cycle.size(); i++){
      |                        ~~^~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45