Submission #330732

#	Time	Username	Problem	Language	Result	Execution time	Memory
330732		oak	Stove (JOI18_stove)	C++14	100 / 100	31 ms	1132 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i,k;
	scanf("%d %d",&n,&k);
	int inp[n];k--;
	
	for(i=0;i<n;i++){
		scanf("%d",&inp[i]);
	}
	int diff[n];
	int ans = inp[n-1]-inp[0]+1;
	for(i=0;i<n-1;i++){
		diff[i] = inp[i+1]-inp[i]-1;
	}
	sort(diff,diff+n-1,greater<int>());
	for(i=0;i<k;i++){
		ans -= diff[i];
	}
	printf("%d",ans);
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:5:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    5 |  scanf("%d %d",&n,&k);
      |  ~~~~~^~~~~~~~~~~~~~~
stove.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |   scanf("%d",&inp[i]);
      |   ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50