Submission #1131760

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1131760	2025-01-03 18:11:02	Aviansh	Discharging (NOI20_discharging)	C++20	0 / 100	254 ms	15912 KiB

Discharging

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#include <bits/stdc++.h>
using namespace std;
long long inter(array<long long,2>l1, array<long long,2>l2){
    return ((l1[1]-l2[1]))/((l2[0]-l1[0]));
}
signed main(){
  //  ios::sync_with_stdio(0);
    //cin.tie(0);
    int n;
    cin >> n;
    long long arr[n];
    for(long long &i : arr){
        cin >> i;
    }
    long long dp[n];
    dp[0]=arr[0]*n;
    deque<array<long long,2>>q;
    q.push_back({n-1,dp[0]});
    for(int i = 1;i<n;i++){
        long long mx = arr[i];
        dp[i]=2e18;
        int lo = 1;
        int hi = q.size()-1;
        while(lo<hi){
            int mid = (lo+hi)/2;
            if(inter(q[mid],q[mid-1])>=arr[i]){
                hi=mid;
 
 
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