90分 求大佬帮助

#include <iostream>

using namespace std;

int main()
{
    int tall[10] = {}  ;
    int  height ;
    int count = 0;
    for ( int i = 0 ; i < 10 ; i ++){
        cin >> tall[i] ;
    }
    cin >> height;
    for ( int x = 0 ; x < 10 ; x ++ ){
        if (tall[x] < height + 30) count ++ ;
    }
    cout << count << endl;
    return 0;
}