Submission #437241

#	Time	Username	Problem	Language	Result	Execution time	Memory
437241		ToroTN	Stove (JOI18_stove)	C++14	100 / 100	78 ms	5612 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int n,m,a[100005],sum;
multiset<int> s;
int main()
{
    scanf("%d%d",&n,&m);
    sum=n;
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&a[i]);
    }
    for(int i=2;i<=n;i++)
    {
        s.insert(a[i]-a[i-1]-1);
    }
    for(int i=1;i<=n-m;i++)
    {
        sum+=*s.begin();
        s.erase(s.find(*s.begin()));
    }
    printf("%d\n",sum);
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
stove.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%d",&a[i]);
      |         ~~~~~^~~~~~~~~~~~

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