Submission #2869860


Source Code Expand

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

vector<int> v;

int main(){
	int n;
	cin >> n;
	v.resize(n);
	for(int i = 0; i < n; i++) cin >> v[i];
	sort(v.begin(), v.end());

	int ans = 0;
	int cnt = 1;
	for(int i = 1; i < n; i++){
		if(v[i] == v[i-1]) cnt++;
		else {
			if(cnt % 2 == 1) ans++;
			cnt = 1;
		}
		if(i == n-1) if(cnt % 2 == 1) ans++;
	}

	cout << ans << endl;
	return 0;
}

Submission Info

Submission Time
Task C - Write and Erase
User neoti
Language C++14 (GCC 5.4.1)
Score 300
Code Size 417 Byte
Status AC
Exec Time 60 ms
Memory 640 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 11
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
01.txt AC 56 ms 640 KB
02.txt AC 55 ms 640 KB
03.txt AC 60 ms 640 KB
04.txt AC 55 ms 640 KB
05.txt AC 60 ms 640 KB
06.txt AC 57 ms 640 KB
07.txt AC 28 ms 640 KB
08.txt AC 59 ms 640 KB
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB