Submission #135847

#	Time	Username	Problem	Language	Result	Execution time	Memory
135847		Runtime_error_	Roller Coaster Railroad (IOI16_railroad)	C++14	0 / 100	210 ms	13176 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int inf = 2e5+9 , MX = 1e18+9;

bool operator <(pair<int,int> x,pair<int,int> y){
    if(x.first == y.first)
        return x.second<y.second;
    return x.first<y.first;
}

int n;
multiset<pair<int,int> > s;

long long plan_roller_coaster(vector<int> S, vector<int> T) {

    n = (int) S.size();
    for(int i=0;i<n;i++)
        s.insert(make_pair(S[i],T[i]));

    int curt = 1;
    while(!s.empty()){
        multiset<pair<int,int> > ::iterator it = s.upper_bound(make_pair(curt,-1));
        if(it == s.begin())
            return 1;
        it--;

        curt = it->second;
        s.erase(it);
    }
    return 0;
}

Compilation message (stderr)

railroad.cpp:5:34: warning: overflow in implicit constant conversion [-Woverflow]
 const int inf = 2e5+9 , MX = 1e18+9;
                              ~~~~^~

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