Submission #1222341

#	Time	Username	Problem	Language	Result	Execution time	Memory
1222341		vidux	Roller Coaster Railroad (IOI16_railroad)	C++17	11 / 100	2093 ms	3400 KiB

railroad

#include "railroad.h"

#include <bits/stdc++.h>
#define fi first
#define se second
#define ALL(x) (x.begin()), (x.end())
#define DEBUG(x) cerr << #x << ": " << x << endl;
#define DEBUG_ARR(x) cerr << #x << ": "; for (auto &y : x) cout << y << " "; cout << endl;
#define SZ(x) ((int)x.size())
using namespace std;
typedef long long ll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    int n = SZ(s);
	ll ans = 1e18;
	auto rec = [&](auto rec, int mask, ll inSp, ll cur) -> void {
		if (mask == (1<<n)-1) {
			ans = min(ans, cur);
			return;
		}
		for (int b = 0; b < n; b++) if (mask != (mask | (1<<b))) {
			ll ncur = cur + max(0ll, inSp-s[b]);
			rec(rec, mask | (1<<b), t[b], ncur);
		}
	};
	rec(rec, 0, 1, 0);
    return ans;
}

Compilation message (stderr)

railroad.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
railroad_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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