Submission #599912

#	Time	Username	Problem	Language	Result	Execution time	Memory
599912		cheissmart	Roller Coaster Railroad (IOI16_railroad)	C++14	0 / 100	99 ms	9836 KiB

railroad

#include "railroad.h"
#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(v) int((v).size())
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

const int INF = 1e9 + 7;

ll plan_roller_coaster(vi s, vi t) {
    int n = SZ(s);
    V<array<int, 3>> tt;
    tt.PB({-INF, -1, -1});
    tt.PB({INF, 1, -2});
    for(int i = 0; i < n; i++) {
        tt.PB({s[i], -1, i});
        tt.PB({t[i], 1, i});
    }
    sort(ALL(tt));
    ll ss = 0;
    for(int i = 0; i < SZ(tt); i++) {
        ss += tt[i][1];
        if(ss > 0) return 0;
        if(ss == 0 && i + 2 < SZ(tt) && tt[i + 1][2] == tt[i + 2][2])
            return 0;
    }
    return 330;
}

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