Submission #153343

#	Time	Username	Problem	Language	Result	Execution time	Memory
153343		mhy908	Stove (JOI18_stove)	C++14	100 / 100	28 ms	2040 KiB

stove

#include <bits/stdc++.h>
int n,k,t[100010],a[100010],s,i;
int main()
{
    scanf("%d%d",&n,&k);
    for(i=1;i<=n;i++)scanf("%d",&t[i]);
    for(i=2;i<=n;i++)a[i-1]=t[i]-t[i-1]-1;
    std::sort(a+1,a+n);
    for(i=1;i<=n-k;i++)s+=a[i];
    printf("%d",s+n);
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:5:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&k);
     ~~~~~^~~~~~~~~~~~~~
stove.cpp:6:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=1;i<=n;i++)scanf("%d",&t[i]);
                      ~~~~~^~~~~~~~~~~~

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