Submission #391829

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Source Code Expand

#include<iostream>
#include<fstream>
#include<sstream>
#include<string>
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<ctime>
#include<stack>
#include<queue>
#include<set>
#include<map>
#include<vector>
#include<list>
#include<algorithm>
#include<utility>
#include<complex>

using namespace std;



bool res[1000000] = { false };
int main(void){
	int N,  A,cnt=0;
	cin >> N;
	for (int i = 0; i < N; i++){
		cin >> A;
		if (res[A])cnt++;
		res[A] = true;
	}
	cout << cnt << endl;
	return(0);
}

Submission Info

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