Submission #1131738

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1131738	2025-01-03 17:14:30	Aviansh	Discharging (NOI20_discharging)	C++20	11 / 100	69 ms	15944 KiB

Discharging

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#include <bits/stdc++.h>
using namespace std;
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;
    }
    for(int i = 1;i<n;i++){
        assert(arr[i]<=arr[i-1]);
    }
    long long dp[n];
    dp[0]=arr[0]*n;
    long long prevmx=arr[0]*n+arr[0]*(n-0-1);
    for(int i = 1;i<n;i++){
        long long mx = arr[i];
        dp[i]=min(prevmx,arr[0]*n);
        prevmx=min(prevmx,dp[i]+arr[i]*(n-i-1));
    }
    cout << dp[n-1];
    return 0;
}
 
 
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