Submission #754596

#	Time	Username	Problem	Language	Result	Execution time	Memory
754596		matere	Stove (JOI18_stove)	C++14	100 / 100	54 ms	1208 KiB

stove

#include<bits/stdc++.h>
using namespace std;
vector<int>dist;
int n,k,a[200001];
int main(){
	cin>>n>>k;
	a[0]=-1999999999;
	for(int i=1;i<=n;i++){
		cin>>a[i];
		dist.push_back(a[i]-a[i-1]-1);
	}
	int ans=n;
	sort(dist.begin(),dist.end());
	dist.pop_back();
	for(int i=1;i<=k-1;i++){
		dist.pop_back();
	}
	for(int i=0;i<dist.size();i++){
		ans+=dist[i];
	}
	cout<<ans<<endl;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:18:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  for(int i=0;i<dist.size();i++){
      |              ~^~~~~~~~~~~~

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