oj.uz

Submission #531181

# Submission time Handle Problem Language Result Execution time Memory
531181 2022-02-28T03:33:28 Z nguot Stove (JOI18_stove) C++14
100 / 100
 64 ms 2796 KB 
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r){return l+rng()%(r-l+1);}
#define fasty ios_base::sync_with_stdio(0),cin.tie(0)
#define fori(x,a,b) for (int x=a;x<=b;x++)
#define ford(x,a,b) for (int x=a;x>=b;x--)
#define forv(a,b) for(auto&a:b)
#define fi first
#define se second
#define pb push_back
#define ii pair<int,int>
#define mt make_tuple
#define mp make_pair
#define all(a) a.begin(),a.end()
#define reset(f,x) memset(f, x, sizeof(f))
#define getbit(x,i) ((x>>i)&1)
#define batbit(x,i) (x|(1ll<<i))
#define tatbit(x,i) (x&~(1<<i))
#define gg exit(0);
#define int long long

const int N = 3e5+10;
int n,a[N],b[N],k;
main()
{
    int n,k;
    cin>>n>>k; --k;
    fori(i,1,n) cin>>a[i];
    fori(i,1,n-1) b[i] = a[i+1]-a[i]-1;
    int res = a[n]-a[1]+1;

    sort(b+1,b+n+1,greater<int>());
    fori(i,1,k) res-=b[i];
    cout<<res;

}
//xem lai lqdoj
//cai lai voi19

Compilation message

stove.cpp:25:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   25 | main()
      | ^~~~

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 3 ms 460 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 2 ms 316 KB Output is correct
15 Correct 2 ms 332 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 304 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 300 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 3 ms 460 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 2 ms 316 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 46 ms 2740 KB Output is correct
17 Correct 43 ms 2796 KB Output is correct
18 Correct 55 ms 2760 KB Output is correct
19 Correct 64 ms 2712 KB Output is correct
20 Correct 50 ms 2756 KB Output is correct
21 Correct 42 ms 2724 KB Output is correct
22 Correct 43 ms 2776 KB Output is correct
23 Correct 48 ms 2736 KB Output is correct
24 Correct 48 ms 2740 KB Output is correct