Submission #1274930

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274930		muhammad-ahmad	Island Hopping (JOI24_island)	C++20	Compilation error	0 ms	0 KiB

island

#include <bits/stdc++.h>
#include "island.h"
using namespace std;

#define int long long

void solve(int N, int L) {
	int cur = 1, F[N + 1] = {}, Ex[N + 1] = {};
    
    bool vis[N];
    map<pair<int, int>, int> C;
    
    vis[1] = 1;
    
    for (int i = 1; i <= N; i++){
    	int f = query(cur, 1);
    	int ex = query(cur, 2);
    	
    	if (vis[f]){
    		if (!C[{cur, f}] && !C[{f, cur}]){
    			answer(cur, f);
    			C[{cur, f}] = 1;
    		}
    		if (!C[{cur, ex}] && !C[{ex, cur}]){
    			answer(cur, ex);
    			C[{cur, ex}] = 1;
    		}
    		vis[ex] = 1;
    		vis[f] = 1;
    		cur = x;
    	}
    	
    	else {
    		if (!C[{cur, f}] && !C[{f, cur}]){
    			answer(cur, f);
    			C[{cur, f}] = 1;
    		}
    		vis[f] = 1;
    		cur = ex;
    	}
    	
    }
}

Compilation message (stderr)

island.cpp: In function 'void solve(long long int, long long int)':
island.cpp:30:23: error: 'x' was not declared in this scope; did you mean 'ex'?
   30 |                 cur = x;
      |                       ^
      |                       ex