Submission #1058108

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1058108	2024-08-14 08:31:09	SalihSahin	Thousands Islands (IOI22_islands)	C++17	10 / 100	19 ms	4440 KiB

islands

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#include<bits/stdc++.h>
#define pb push_back
using namespace std;
#include "islands.h"
std::variant<bool, std::vector<int>> find_journey(int N, int M, std::vector<int> U, std::vector<int> V) {
  if(N == 2){
    vector<int> c[2];
    for(int i = 0; i < M; i++){
        if(U[i] == 0) c[0].pb(i);
        else c[1].pb(i);
    }
    if(c[0].size() > 1 && c[1].size() > 0){
        int x = c[0][0], y = c[0][1], z = c[1][0];
        vector<int> ans = {x, z, y, x, z, y};
        return ans;
    }
    else return false;
  }
  if(N <= 400){
    vector<vector<int> > cnt(N, vector<int>(N, -1));
    for(int i = 0; i < M; i++){
        cnt[U[i]][V[i]] = i;
    }
    bool ok = 1;
    for(int i = 0; i < N; i++){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45