Submission #1213106

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Source Code Expand

#include <iostream>

using namespace std;

int n, k;
long long a[15], ans = 0;

int main(){
	cin >> n >> k;
	for (int i = 0; i < n; i++){
		cin >> a[i];
	}

	if (n == k){
		for (int i = 1; i < n; i++){
			if (a[i - 1] >= a[i]){
				ans += a[i - 1] - a[i] + 1;
				a[i] = a[i - 1] + 1;
			}
		}
	}
	else{

	}

	cout << ans << endl;

	return 0;
}

Submission Info

Judge Result