Submission #331761

#	Time	Username	Problem	Language	Result	Execution time	Memory
331761		daniel920712	Stove (JOI18_stove)	C++14	100 / 100	28 ms	2152 KiB

stove

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include <algorithm>

using namespace std;
vector < int > all;
int when[100005]={0};
int main()
{
    int N,M,ans=0,i;
    scanf("%d %d",&N,&M);
    ans=N;
    for(i=0;i<N;i++)
    {
        scanf("%d",&when[i]);
        if(i) all.push_back(when[i]-when[i-1]-1);
    }
    sort(all.begin(),all.end());
    for(i=0;i<N-M;i++) ans+=all[i];
    printf("%d\n",ans);
    return 0;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |     scanf("%d %d",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~~
stove.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |         scanf("%d",&when[i]);
      |         ~~~~~^~~~~~~~~~~~~~~

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