Submission #261521

#	Time	Username	Problem	Language	Result	Execution time	Memory
261521		amalla	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	87 ms	5016 KiB

railroad

#include "railroad.h"
#include<bits/stdc++.h>

using namespace std;

bool costume_sort(pair<int,int> a, pair<int,int> b) {
    if (a.second-b.first<b.first-a.second) return false;
    return true;
}


long long plan_roller_coaster(vector<int> s, vector<int> t) {
    long long n = (long long) s.size(), curr_speed = 1, need = 0;
    vector<pair<int,int> > S(n);
    for (int i = 0; i<n; ++i) {
        S[i].first = s[i];
        S[i].second = t[i];
    }
    sort(S.begin(), S.end(), costume_sort);
    for (int i = 0; i<n; ++i) {
        if (curr_speed>S[i].first) need += curr_speed-S[i].first;
        curr_speed = S[i].second;
    }
    return need;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36