Submission #312145

#	Time	Username	Problem	Language	Result	Execution time	Memory
312145		AmineTrabelsi	Traffic (IOI10_traffic)	C++17	50 / 100	403 ms	37752 KiB

traffic

#include "bits/stdc++.h"
using namespace std;
using ll = long long;
#define pb push_back 
#define mp make_pair
#define f first
#define s second
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()

// Hi

ll LocateCentre(int n,int p[],int ff[],int d[]){
	// assuming all the cities are in straight line
	// s[i] = i , d[i] = i+1;
	vector<ll> sum(n+1,0);
	for(int i=0;i<n;i++){
		sum[i+1] = sum[i]+p[i];
	}
	ll res = 1e18;
	int city = 0;
	for(int i=1;i<=n;i++){
		ll x = max(sum[i-1],sum[n]-sum[i]);
		if(x <= res){
			city = i;
			res = x;
		}
	}
	return city-1;
	//   1 2 3
	// 0 1 3 6 
}
/*
int main(){
	int p[5] = {10,10,10,20,20},s[4] = {0,1,2,3},d[4] = {1,2,3,4};
	cout<<LocateCentre(5,p,s,d)<<'\n';
	return 0;
}
*/

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25