直接枚举

#include<iostream>
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;

int main()
{
    int q[10];
    for(int i = 0;i < 10;i ++)
        scanf("%d",&q[i]);

    int height;
    scanf("%d",&height);

    int res = 0;
    for(int i = 0;i < 10;i ++)
        if(q[i] <= height + 30)
            res ++;

    cout<<res<<endl;

    return 0;

}