Submission #1213095


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int n,k,a[22];
int main(){
	scanf("%d%d",&n,&k);
	for(int i=0; i<n; i++)
		scanf("%d",&a[i]);
	long long int res = 1000000000000LL;
	for(int mask=1; mask<(1<<n); mask++){
		if(__builtin_popcount(mask)<k)continue;
		long long int now = 0;
		int mx = 0;
		for(int i=0; i<n; i++){
			int x = a[i];
			if(mask&(1<<i)){
				if(x <= mx){
					now += mx+1-x;
					x = mx+1;
				}
			}
			mx = max(mx,x);
		}
		if(now < res)res=now;
	}
	cout<<res<<endl;
	return 0;
}

Submission Info

Submission Time
Task B - Buildings are Colorful!
User maryanna2016
Language C++14 (GCC 5.4.1)
Score 350
Code Size 531 Byte
Status AC
Exec Time 2 ms
Memory 256 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:5:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
                     ^
./Main.cpp:7:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[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 1 ms 256 KB
sub1_in2.txt AC 1 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 1 ms 256 KB
sub3_in2.txt AC 2 ms 256 KB