Submission #1033661

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033661		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	18 ms	1504 KiB

stove

#include<bits/stdc++.h>
#define ll long long int
#define ld long double
#define ii int
#define pb push_back
#define fi first
#define se second
#define Op operator
#define bp __builtin_popcount
#define Faster ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define endl '\n'
#define TT ll tt;cin>>tt;while(tt--){Test_Case();}
#define T Test_Case() ;
using namespace std;
const ii N = 2e5 , M = 1e6 , mod = 1e9 + 7 , Ones = 1 , Zero = 0;
const ll oo = 1e18 ;
ii a[N + 5] ; 
bool comp(ii aa , ii bb) {
    return aa > bb ; 
}
void Test_Case(){
    ii n , k , ans = 0 ; cin >> n >> k ; 
    for(ii i = 1 ; i <= n ; i ++) {
        cin >> a[i] ; 
    }
    vector<ii> v ; ans = a[n] - a[1] + 1 ;
    for(ii i = 2 ; i <= n ; i ++) v.pb(a[i] - a[i - 1] - 1) ; 
    sort(v.begin() , v.end() , comp) ; 
    for(ii i = 0 ; i < k - 1 ; i ++) ans -= v[i] ; 
    cout << ans << endl ; 
}
int main(){
    Faster
    T ;
}
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• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50