Submission #988628

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
988628	2024-05-25 10:49:31	parlimoos	Building Bridges (CEOI17_building)	C++17	60 / 100	312 ms	7844 KiB

building

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//Be Name KHODA
#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pb push_back
#define pp pop_back
#define lb lower_bound
#define ub upper_bound
#define cl clear
#define bg begin
#define arr(x) array<ll , x>
#define endl '\n'
int n;
vector<ll> w , h;
ll dp[200000] , inf[200000][2];
set<arr(2)> pt;
void init(){
    for(int i = 1 ; i < n ; i++) w[i] += w[i - 1];
    for(int i = 0 ; i < n ; i++){
        inf[i][1] = (h[i] * h[i]) , inf[i][0] = (h[i] * h[i]) - w[i];
        if(i > 0) inf[i][1] += w[i - 1];
    }
}
bool jg(ll c , int i , int j){
    return (dp[i] - (2 * c * h[i]) <= dp[j] - (2 * c * h[j]));
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 0 / 40