Faster-InputOutput-Implementations/readInt().cpp at master · detel/Faster-InputOutput-Implementations · GitHub

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#include<iostream>
#include<vector>
#include<string>
#include<stack>
#include<queue>
#include<fstream>
#include<cmath>
#include<algorithm>
#include<stdio.h>
#include<cstring>
#include<list>

using namespace std;

int readInt () {
	bool minus = false;
	int result = 0;
	char ch;
	ch = getchar();
	while (true) {
		if (ch == '-') break;
		if (ch >= '0' && ch <= '9') break;
		ch = getchar();
	}
	if (ch == '-') minus = true; else result = ch-'0';
	while (true) {
		ch = getchar();
		if (ch < '0' || ch > '9') break;
		result = result*10 + (ch - '0');
	}
	if (minus)
		return -result;
	else
		return result;
}

int main()
{

    int n,k;
    n=readInt();
    k=readInt();
    int cnt=0;
    while(n--)
    {
     int num;
     num=readInt();
     if(num%k==0)cnt++;
    }
    printf("%d",cnt);
    return 0;
}