Submission #1058232

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1058232	2024-08-14 09:01:53	noyancanturk	Thousands Islands (IOI22_islands)	C++17	10 / 100	54 ms	17396 KiB

islands

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#include "islands.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
using pii=pair<int,int>;
int n,m;
map<pii,int>mp;
const int lim=2e5+100;
bool vis[lim];
vector<int>v[lim];
bool foundloop=0;
void dfs(int node,int par){
  vis[node]=1;
  for(int j:v[node]){
    if(vis[j]){
      foundloop=1;
      return;
    }
    dfs(j,node);
    if(foundloop)return;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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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:51:15: warning: comparison of integer expressions of different signedness: 'std::map<std::pair<int, int>, int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   51 |   if(mp.size()==n*(n-1)){
      |      ~~~~~~~~~^~~~~~~~~

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