Submission #110076

#	Time	Username	Problem	Language	Result	Execution time	Memory
110076		maruii	Stove (JOI18_stove)	C++14	100 / 100	31 ms	2176 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int N, K;
int A[100001], B[100001];
int main(){
	scanf("%d%d",&N,&K);
	for(int i=0; i<N; ++i)
		scanf("%d",A+i);
	for(int i=0; i<N-1; ++i)
		B[i] = A[i+1]-A[i];
	sort(B, B+N-1);
	int ans = accumulate(B, B+N-K, 0);
	printf("%d",ans+K);
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&N,&K);
  ~~~~~^~~~~~~~~~~~~~
stove.cpp:8:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",A+i);
   ~~~~~^~~~~~~~~~

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