Submission #1042846

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1042846	2024-08-03 13:01:03	Zicrus	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	2101 ms	18136 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();
    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 (!m.empty()) {
        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;
}
 
 
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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;
      |        ^~~

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• Subtask 2: 0 / 23
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• Subtask 4: 0 / 36