Submission #1187734

#	Time	Username	Problem	Language	Result	Execution time	Memory
1187734		ByeWorld	Thousands Islands (IOI22_islands)	C++20	5 / 100	17 ms	4420 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
#include <variant>
#include <vector>
#define ll long long
#define pb push_back
#define fi first
#define se second
#define lf ((id<<1))
#define rg ((id<<1)|1)
#define md ((l+r)>>1)
using namespace std;
const int MAXN = 2e5+10;

int n, m;
int u[MAXN], v[MAXN];
vector<int> ANS;

std::variant<bool, std::vector<int>> find_journey(
    int N, int M, std::vector<int> U, std::vector<int> V) {
	n = N; m = M;
	int a,b,c,d,e,f;
	for(int i=0; i<m; i++){
		u[i] = U[i], v[i] = V[i]; 
		if(u[i]==0&&v[i]==1) a = i;
		if(u[i]==1&&v[i]==0) b = i;
		if(u[i]==1&&v[i]==2) c = i;
		if(u[i]==2&&v[i]==1) d = i;
		if(u[i]==2&&v[i]==0) e = i;
		if(u[i]==0&&v[i]==2) f = i;
	}
	if(n >= 3){
		ANS.pb(a); 
		ANS.pb(c); 
		ANS.pb(e); 

		ANS.pb(f);
		ANS.pb(d); 
		ANS.pb(b);

		ANS.pb(e); 
		ANS.pb(c); 
		ANS.pb(a);
		
		ANS.pb(b); 
		ANS.pb(d); 
		ANS.pb(f);    
		return ANS;
	}
	return false;
}

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