Submission #436516

#	Time	Username	Problem	Language	Result	Execution time	Memory
436516		mohammad_kilani	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	135 ms	11444 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 200010;
vector< pair< int , int > > arr;

int sum[N];

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    int n = (int) s.size();
    for(int i = 0 ;i < n;i++){
        arr.push_back(make_pair(s[i] , i));
    }
    sort(arr.begin(),arr.end());
    for(int idx , i = 0 ;i < n;i++){
        idx = lower_bound(arr.begin(),arr.end(),make_pair(t[i] , 0)) - arr.begin();
        sum[idx]++;
    }
    int all = 0;
    vector< int > cur;
    for(int i = 0 ;i < n;i++){
        all += sum[i];
        if(t[arr[i].second] <= s[arr[i].second])
            cur.push_back(all - 1);
        else
            cur.push_back(all);
    }
    sort(cur.begin(),cur.end());
    for(int i = 0 ;i < (int)cur.size();i++){
        if(cur[i] < i)
            return 1;
    }
    return 0;
}

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