Submission #1214128


Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
	int n,k;
	scanf("%d%d", &n, &k);
	int arr[n];
	for (int i=0; i<n; i++) scanf("%d", &arr[i]);
	long long ans=LLONG_MAX;
	for (int i=0; i<(1<<(n+1)); i++) {
		int num=0;
		long long tot=0;
		int prev=0;
		for (int j=0; j<n; j++) {
			if (1<<j & i) {
				num++;
				tot+=max(prev+1-arr[j],0);
				prev=max(prev+1,arr[j]);
			}
			prev=max(prev,arr[j]);
		}
		if (num==k) ans=min(ans,tot);
	}
	printf("%lld\n", ans);
}

Submission Info

Submission Time
Task B - Buildings are Colorful!
User estelle0500
Language C++14 (GCC 5.4.1)
Score 350
Code Size 501 Byte
Status AC
Exec Time 5 ms
Memory 256 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &k);
                       ^
./Main.cpp:8:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for (int i=0; i<n; i++) scanf("%d", &arr[i]);
                                              ^

Judge Result

Set Name Sample Subtask1 Subtask2 Subtask3
Score / Max Score 0 / 0 120 / 120 90 / 90 140 / 140
Status
AC × 2
AC × 2
AC × 3
AC × 9
Set Name Test Cases
Sample sub0_in1.txt, sub0_in2.txt
Subtask1 sub1_in1.txt, sub1_in2.txt
Subtask2 sub2_in1.txt, sub2_in2.txt, sub2_in3.txt
Subtask3 sub0_in1.txt, sub0_in2.txt, sub1_in1.txt, sub1_in2.txt, sub2_in1.txt, sub2_in2.txt, sub2_in3.txt, sub3_in1.txt, sub3_in2.txt
Case Name Status Exec Time Memory
sub0_in1.txt AC 1 ms 256 KB
sub0_in2.txt AC 1 ms 256 KB
sub1_in1.txt AC 5 ms 256 KB
sub1_in2.txt AC 5 ms 256 KB
sub2_in1.txt AC 1 ms 256 KB
sub2_in2.txt AC 1 ms 256 KB
sub2_in3.txt AC 1 ms 256 KB
sub3_in1.txt AC 5 ms 256 KB
sub3_in2.txt AC 5 ms 256 KB