Submission #45125

#	Time	Username	Problem	Language	Result	Execution time	Memory
45125		Pajaraja	Stove (JOI18_stove)	C++17	100 / 100	36 ms	10404 KiB

stove

#include <bits/stdc++.h>
int t[100007],a[100007];
int main()
{
	int n,k;
	scanf("%d%d",&n,&k);
	for(int i=0;i<n;i++) scanf("%d",&t[i]);
	int al=t[n-1]+1-t[0];
	for(int i=0;i<n-1;i++) a[i]=t[i+1]-t[i]-1;
	std::sort(a,a+n-1,std::greater<int>() );
	for(int i=0;i<k-1;i++) al-=a[i];
	printf("%d",al);
}

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:7:28: 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",&t[i]);
                       ~~~~~^~~~~~~~~~~~

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