CodeForces.158A Next Round (水模拟)

CodeForces.158A Next Round (水模拟)

题意分析

校赛水题的英文版，坑点就是要求为正数。

代码总览

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <sstream>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <cmath>
#define INF 0x3f3f3f3f
#define nmax 200
#define MEM(x) memset(x,0,sizeof(x))
using namespace std;
int a[nmax];
int main()
{
    //freopen("in.txt","r",stdin);
    int n,k;
    while(scanf("%d %d",&n,&k)!= EOF){
        for(int i = 0; i<n;++i)
            scanf("%d",&a[i]);
        int tar = a[k-1];
        int ans = 0;
        for(int i = 0;i<n;++i){
            if(a[i] <=0) break;
            if(a[i] < tar) break;
            if(a[i] >= tar) ans++;
        }
        printf("%d\n",ans);
    }
    return 0;
}