Submission #3631946

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Source Code Expand

#include <iostream>
#include <math.h>

#define N_MAX 100000

using namespace std;

int main(){
    int N, K;
    int a[N_MAX];
    int index;
    int ans;
    cin >> N >> K;
    for(int i = 0; i < N; i++){
        cin >> a[i];
    }
    ans = ceil((double)(N - K)/(double)(K - 1)) + 1;
    cout << ans << endl;
}

Submission Info

Judge Result