Submission #1042782

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1042782	2024-08-03 11:31:46	Zicrus	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	33 ms	10332 KiB

railroad

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#include <bits/stdc++.h>
#include "railroad.h"
using namespace std;
typedef long long ll;
ll plan_roller_coaster(vector<int> s, vector<int> t) {
    ll n = s.size();
    vector<pair<ll, ll>> a(n);
    for (int i = 0; i < n; i++) {
        a[i] = {s[i], t[i]};
    }
    mt19937 mt(time(0));
    shuffle(a.begin(), a.end(), mt);
    ll res = 0;
    for (int i = 1; i < n; i++) {
        res += max(0ll, a[i-1].second - a[i].first);
    }
    bool done;
    do {
        done = true;
        for (int i = 1; i < n; i++) {
            ll prev = max(0ll, a[i-1].second - a[i].first);
            ll nw = max(0ll, a[i].second - a[i-1].first);
            if (i > 1) {
                prev += max(0ll, a[i-2].second - a[i-1].first);
                nw += max(0ll, a[i-2].second - a[i].first);
            }
 
 
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• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36