Submission #1042848

#	Time	Username	Problem	Language	Result	Execution time	Memory
1042848		Zicrus	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	2045 ms	19788 KiB

railroad

#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();

    map<ll, ll> m;
    for (int i = 0; i < n; i++) {
        m[s[i]] = t[i];
    }

    ll cur = (*m.begin()).second;
    m.erase(m.begin());
    ll res = 0;
    while (--n) {
        auto iter = lower_bound(m.begin(), m.end(), pair<const ll, ll>(cur, 0));
        if (iter == m.end()) return 1;
        cur = (*iter).second;
        m[(*iter).first] = -1000;
    }
    return 0;
}

Compilation message (stderr)

railroad.cpp: In function 'll plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:17:8: warning: unused variable 'res' [-Wunused-variable]
   17 |     ll res = 0;
      |        ^~~

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