158A - Next Round CodeForces

nextRound.cpp

#include<iostream>
#include<string>

using namespace std;

int main(){
    int n, k;
    int scores[50];
    int count = 0, score;
    cin>>n>>k;
    k=k-1;
    for(int i=0; i<n; i++){
        cin>>score;
        scores[i]=score;
    }
    
    for(int i=0; i<n; i++){
        if(scores[i]>=scores[k] && scores[i]>0){
            count++;
        }
    }
    
    cout<<count<<endl;
    return 0;
}