Submission #1022094

#	Time	Username	Problem	Language	Result	Execution time	Memory
1022094		amirhoseinfar1385	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	88 ms	9668 KiB

railroad

#include "railroad.h"
#include<bits/stdc++.h>
using namespace std;
vector<int>allind;

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    int n = (int) s.size();
    vector<pair<int,int>>v;
    v.push_back(make_pair(0,1));
    for(int i=0;i<n;i++){
        v.push_back(make_pair(t[i],s[i]));
    }
    sort(v.begin(),v.end());
    vector<int>ps(n+1);
    for(int i=1;i<=n;i++){
        int p=lower_bound(v.begin(),v.end(),make_pair(v[i].second+1,-1))-v.begin();
        p--;
        ps[p]++;
    }
    for(int i=1;i<=n;i++){
        ps[i]+=ps[i-1];
    }
    for(int i=0;i<=n;i++){
        if(ps[i]>i+1);
    }
    return 0;
}

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