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;

}