Submission #796458

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
796458	2023-07-28 12:04:42	ln_e	Thousands Islands (IOI22_islands)	C++17	25.75 / 100	43 ms	5188 KiB

islands

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      #include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho
        #include "islands.h"
        using ll=long long;
        using ld=long double;
        int const INF=1000000005;
        ll const LINF=1000000000000000005;
        ll const mod=1000000007;
        ld const PI=3.14159265359;
        ll const MAX_N=3e5+5;
        ld const EPS=0.00000001;
        #pragma GCC optimize("O3")
        #pragma GCC optimize("Ofast")
        #define f first
        #define s second
        #define pb push_back
        #define mp make_pair
        #define endl '\n'
        #define sz(a) (int)a.size()
        #define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
        using namespace std;
    vector<ll>g[1005];
    map<ll,ll>viz;
        int dfs(ll node){
      viz[node]=1;
      for(auto it : g[node]){
        if(viz[it]==1){
          return 1;
        }
        if(viz[it]==0){
          if(dfs(it)){
 
 
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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:84:15: warning: 'indx[3]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   84 |         ans.pb(indx[3]);
      |         ~~~~~~^~~~~~~~~
islands.cpp:87:15: warning: 'indx[5]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   87 |         ans.pb(indx[5]);
      |         ~~~~~~^~~~~~~~~
islands.cpp:85:15: warning: 'indx[4]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   85 |         ans.pb(indx[4]);
      |         ~~~~~~^~~~~~~~~
islands.cpp:83:15: warning: 'indx[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   83 |         ans.pb(indx[1]);
      |         ~~~~~~^~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 7.35 / 21
• Subtask 4: 8.399999999999999 / 24
• Subtask 5: 0 / 45