Submission #1274985

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274985		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;

void solve(int n, int l) {
	map<int, map<int, bool>> P;
	map<pair<int, int>, int> C;
	for (int i = 1; i <= n; i++){
		int f = query(i, 1), ex = query(i, 2);
		if (!C[{f, i}]){
			C[{f, i}] = 1;
			C[{i, f}] = 1;
			answer(i, f);
		}
		
		if (!C[{f, ex}] && !C[{i, ex]}){
			P[f][ex] = 1;
			P[i][ex] = 1;
		}
	}
	for (int i = 1; i <= n; i++){
		for (auto [j, c] : P[i]){
			if (!C[{i, j}] && P[j][i]){
				answer(i, j);
				C[{i, j}] = 1;
				C[{j, i}] = 1;
			}
		}
	}
}

Compilation message (stderr)

island.cpp: In function 'void solve(int, int)':
island.cpp:16:45: error: expected '}' before ']' token
   16 |                 if (!C[{f, ex}] && !C[{i, ex]}){
      |                                       ~     ^
island.cpp:16:46: error: expected ')' before '}' token
   16 |                 if (!C[{f, ex}] && !C[{i, ex]}){
      |                    ~                         ^
      |                                              )
island.cpp:16:46: error: expected primary-expression before '}' token
island.cpp:16:47: error: expected primary-expression before ')' token
   16 |                 if (!C[{f, ex}] && !C[{i, ex]}){
      |                                               ^
island.cpp: At global scope:
island.cpp:21:9: error: expected unqualified-id before 'for'
   21 |         for (int i = 1; i <= n; i++){
      |         ^~~
island.cpp:21:25: error: 'i' does not name a type
   21 |         for (int i = 1; i <= n; i++){
      |                         ^
island.cpp:21:33: error: 'i' does not name a type
   21 |         for (int i = 1; i <= n; i++){
      |                                 ^
island.cpp:30:1: error: expected declaration before '}' token
   30 | }
      | ^