Submission #66722

#	Time	Username	Problem	Language	Result	Execution time	Memory
66722		hamzqq9	Stove (JOI18_stove)	C++14	100 / 100	34 ms	1764 KiB

stove

#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define ppb pop_back
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<int,ii>
#define sz(x) ((int) x.size())
#define orta ((bas+son)>>1)
#define all(x) x.begin(),x.end()
#define dbgs(x) cerr<<(#x)<<" --> "<<(x)<<" "
#define dbg(x) cerr<<(#x)<<" --> "<<(x)<<endl;getchar()
#define pw(x) (1<<(x))
#define inf 1000000000000000
#define MOD 1000000007
#define N 100005
#define MAX 10000006
#define LOG 22
using namespace std;

int n,k;
int a[N];
vector<int> e;

int main() {

//	freopen("input.txt","r",stdin);

	scanf("%d %d",&n,&k);

	for(int i=1;i<=n;i++) {

		scanf("%d",&a[i]);

	}

	sort(a+1,a+1+n);

	int comp=n;

	for(int i=1;i<n;i++) {

		e.pb(abs(a[i]-a[i+1]));

	}

	sort(all(e));

	int ans=n;

	int cur=0;

	while(comp>k) {

		comp--;

		ans+=e[cur]-1;

		cur++;

	}

	printf("%d\n",ans);

}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:32:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&k);
  ~~~~~^~~~~~~~~~~~~~~
stove.cpp:36:8: 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