Submission #1213090

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Source Code Expand

#include <iostream>

using namespace std;

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

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

	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;
		}
	}

	cout << ans << endl;

	return 0;
}

Submission Info

Judge Result