Submission #334195

#	Time	Username	Problem	Language	Result	Execution time	Memory
334195		shahriarkhan	Stove (JOI18_stove)	C++14	100 / 100	25 ms	2408 KiB

stove

#include<bits/stdc++.h>
using namespace std ;

const int INF = 1e9 ;

int main()
{
    int n , k ;
    scanf("%d%d",&n,&k) ;
    int a[n+1] ;
    for(int i = 1 ; i <= n ; ++i) scanf("%d",&a[i]) ;
    sort(a+1,a+n+1) ;
    vector<int> v ;
    int tot = a[n] - a[1] + 1 ;
    for(int i = 1 ; i < n ; ++i)
    {
        v.push_back(a[i]-a[i+1]+1) ;
    }
    sort(v.begin(),v.end()) ;
    for(int i = 0 ; i < (k-1) ; ++i) tot += v[i] ;
    printf("%d\n",tot) ;
    return 0 ;
}

Compilation message (stderr)

stove.cpp: In function 'int main()':
stove.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |     scanf("%d%d",&n,&k) ;
      |     ~~~~~^~~~~~~~~~~~~~
stove.cpp:11:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |     for(int i = 1 ; i <= n ; ++i) scanf("%d",&a[i]) ;
      |                                   ~~~~~^~~~~~~~~~~~

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