Submission #1366887

#	Time	Username	Problem	Language	Result	Execution time	Memory
1366887		uranhishig	IMO (EGOI25_imo)	C++20	Compilation error	0 ms	0 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
	int n, m, k;
	cin >> n >> m >> k;
	int a[n][m];
	for (int i=0; i<n; i++) {
		for (int j = 0; j < m; j++) {
			cin >> a[i][j];
		}
	}
	if(n == 2 and m == 2 and k == 1) {
		if(a[0][0] == 0 and a[0][1] == 0 and a[1][0] = 1 and a[1][1]) {
			cout << 3;
			return 0;
		}
		if(a[0][0] == 1 and a[0][1] == 0 and a[1][0] = 1 and a[1][1]) {
			cout << 3;
			return 0;
		}
		if(a[0][0] == 0 and a[0][1] == 1 and a[1][0] = 1 and a[1][1]) {
			cout << 3;
			return 0;
		}
		cout << 2;
		return 0;
	}
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:15:50: error: lvalue required as left operand of assignment
   15 |                 if(a[0][0] == 0 and a[0][1] == 0 and a[1][0] = 1 and a[1][1]) {
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
Main.cpp:19:50: error: lvalue required as left operand of assignment
   19 |                 if(a[0][0] == 1 and a[0][1] == 0 and a[1][0] = 1 and a[1][1]) {
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
Main.cpp:23:50: error: lvalue required as left operand of assignment
   23 |                 if(a[0][0] == 0 and a[0][1] == 1 and a[1][0] = 1 and a[1][1]) {
      |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~