Submission #1022137

#	Time	Username	Problem	Language	Result	Execution time	Memory
1022137		amirhoseinfar1385	Roller Coaster Railroad (IOI16_railroad)	C++17	30 / 100	94 ms	18880 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<long long ,long long>>allt,alls;
    int now=0;
    for(auto x:s){
        alls.push_back(make_pair(x,now));
        now++;
    }
    now=0;
    for(auto x:t){
        allt.push_back(make_pair(x,now));
        now++;
    }
    allt.push_back(make_pair(1,now));
    sort(allt.begin(),allt.end());
    sort(alls.begin(),alls.end());
    long long res=0;
    for(int i=0;i<n;i++){
        if(allt[i].first==t[alls[i].second]){
            swap(allt[i],allt[i+1]);
        }
    //    cout<<allt[i].first<<" "<<alls[i].first<<" "<<allt[i+1].first<<endl;
        res+=max(0ll,allt[i].first-alls[i].first);
    }
    return res;
}

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