Submission #318817

#	Time	Username	Problem	Language	Result	Execution time	Memory
318817		vojin	Stove (JOI18_stove)	C++14	0 / 100	1 ms	364 KiB

stove

#include <bits/stdc++.h>
#define MAXN (int)1e6
#define FOR(n) for(int i = 0; i < n; i++)
using namespace std;
int a[MAXN],b[MAXN];

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    long long n,k; cin >> n >> k;
    FOR(n) cin >> a[i];

    sort(a,a+n);
    if(k==1) {cout << a[n-1]-a[0]+1 << "\n"; return 0;}
    long long m=0;
    for(int i = 0; i < n; i++)if(a[i]+1!=a[i+1]) m++;



    cout << n+m-k << "\n";
    return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50