Submission #876004

#	Time	Username	Problem	Language	Result	Execution time	Memory
876004		hasan2006	Stove (JOI18_stove)	C++17	100 / 100	15 ms	4064 KiB

stove

#include <bits/stdc++.h>

using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define se second
#define fi first
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 5e5 + 9 , mod = 1e9 + 7;
ll   a[N] = {}, b[N] , c[N] , d[N] , dp[N];

void solve()
{
    ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
    cin>>n>>k;
    vector<int>v;
    for(i = 1; i <= n; i++){
        cin>>a[i];
        if(i != 1)
            v.pb(a[i] - a[i - 1] - 1);
    }
    sort(all(v));
    for(i = 0; i < n - k; i++)
        s += v[i];
    cout<<s + n<<"\n";
}

int main(){
    TL;
    /*#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    #endif*/
int t = 1;
//cin>>t;
while(t--)
     {
     solve();
     }
}
// Author : حسن

Compilation message (stderr)

stove.cpp: In function 'void solve()':
stove.cpp:26:8: warning: unused variable 'q' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |        ^
stove.cpp:26:16: warning: unused variable 'j' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                ^
stove.cpp:26:20: warning: unused variable 'm' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                    ^
stove.cpp:26:26: warning: unused variable 'z' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                          ^
stove.cpp:26:37: warning: unused variable 'f' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                     ^
stove.cpp:26:40: warning: unused variable 'l' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                        ^
stove.cpp:26:44: warning: unused variable 'r' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                            ^
stove.cpp:26:52: warning: unused variable 'x' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                    ^
stove.cpp:26:56: warning: unused variable 'y' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                        ^
stove.cpp:26:60: warning: unused variable 'mn' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                            ^~
stove.cpp:26:73: warning: unused variable 'mx' [-Wunused-variable]
   26 |     ll q , i , j , m ,n, z ,s = 0 , f, l , r , k , x , y , mn  = 1e18 , mx = 0;
      |                                                                         ^~

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