Submission #19112714

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Source Code Expand

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

int main()
{
	int N;
	cin >> N;
	map<int, int> mp;
	for( int i = 0; i < N; i++ ) {
		int a;
		cin >> a;
		mp[a]++;
	}

	string ans = "No";
	if( mp.size() == 1 && mp.begin()->first == 0 ) ans = "Yes";
	else if( mp.size() == 3 ) {
		auto it = mp.begin();
		int f1 = it->first;
		int s1 = it->second;
		it++;
		int f2 = it->first;
		int s2 = it->second;
		it++;
		int f3 = it->first;
		int s3 = it->second;
		if( f1 ^ f2 ^ f3 == 0 && s1 == s2 && s2 == s3 && s3 == s1 ) ans = "Yes";
	}
	else if( mp.size() == 2 ) {
		auto it = mp.begin();
		int f1 = it->first;
		int s1 = it->second;
		it++;
		int f2 = it->first;
		int s2 = it->second;
		if( s1 * 2 == s2 && f1 == 0 || s1 == s2 * 2 && f2 == 0 ) ans = "Yes";
	}

	cout << ans << endl;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:20: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses]
   27 |   if( f1 ^ f2 ^ f3 == 0 && s1 == s2 && s2 == s3 && s3 == s1 ) ans = "Yes";
      |                 ~~~^~~~
./Main.cpp:36:20: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses]
   36 |   if( s1 * 2 == s2 && f1 == 0 || s1 == s2 * 2 && f2 == 0 ) ans = "Yes";
      |       ~~~~~~~~~~~~~^~~~~~~~~~

Judge Result