Submission #125620

#	Time	Username	Problem	Language	Result	Execution time	Memory
125620		gs14004	Stove (JOI18_stove)	C++17	100 / 100	27 ms	1908 KiB

stove

#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pi;

vector<int> v;

int main(){
	int n, k, p;
	scanf("%d %d %d",&n,&k,&p);
	for(int i=1; i<n; i++){
		int q;
		scanf("%d",&q);
		v.push_back(q - p - 1);
		p = q;
	}
	sort(v.begin(), v.end());
	int ans = n;
	for(int i=0; i<n-k; i++) ans += v[i];
	cout << ans << endl;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d",&n,&k,&p);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~
stove.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&q);
   ~~~~~^~~~~~~~~

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