Submission #561357

#	Time	Username	Problem	Language	Result	Execution time	Memory
561357		neki	Roller Coaster Railroad (IOI16_railroad)	C++14	0 / 100	88 ms	6536 KiB

railroad

#include <bits/stdc++.h>
#define vc vector
#define ll long long
using namespace std;

ll plan_roller_coaster(vc<int> s, vc<int> t) {
    
    s.push_back(1000000100);t.push_back(1);
    ll n=s.size();
    vc<ll> ind(n); iota(ind.begin(), ind.end(), 0);
    sort(ind.begin(), ind.end(), [&](ll a, ll b){return s[a]<s[b];});
    
    
    vc<ll> kok(n, 0);
    sort(t.begin(), t.end());
    for(ll i=0, j=0;i<n;++i){
        while(j<n and t[i]>s[ind[j]]) j++;
        if(j<n) ++kok[ind[j]];
    }
    
    for(ll i=1;i<n;++i) kok[i]+=kok[i-1];
    
    ll br=1;
    for(ll i=0;i<n;++i) if(kok[i]>=i+1) br=0;
    return br;
}

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