Submission #1125588

#	Time	Username	Problem	Language	Result	Execution time	Memory
1125588		phoop	Stove (JOI18_stove)	C++20	100 / 100	21 ms	1032 KiB

stove

#include <bits/stdc++.h>
using namespace std;
priority_queue<int> pq;
 
int main()
{
    int N,K,past,now; scanf("%d %d %d",&N,&K,&now);
    for(int i=1;i<N;i++)
    {
        past=now;
        scanf("%d",&now);
        pq.push(-(now-past-1));
    }
    int ans=N;
    for(int i=0;i<N-K;i++)
    {
        ans-=pq.top();
        pq.pop();
    }
    printf("%d\n",ans);
    return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:7:28: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     int N,K,past,now; scanf("%d %d %d",&N,&K,&now);
      |                       ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
stove.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%d",&now);
      |         ~~~~~^~~~~~~~~~~

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