Submission #70602

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
70602	2018-08-23 07:20:39	someone_aa	Stove (JOI18_stove)	C++17	100 / 100	73 ms	11004 KiB

stove

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#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 100100;
int arr[maxn], n, k;
bool light[maxn];
vector<pair<int,int> > diff;
int main() {
    cin>>n>>k;
    for(int i=1;i<=n;i++) {
        cin>>arr[i];
    }
    for(int i=2;i<=n;i++) {
        diff.pb(mp(arr[i]-arr[i-1], i));
    }
    light[1] = true;
    sort(diff.rbegin(), diff.rend());
    for(int i=0;i<k-1;i++) {
        light[diff[i].second] = true;
    }
    arr[0] = 0;
    int last = 1;
    int result = 0;
    for(int i=1;i<=n;i++) {
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50