Submission #680769

#	Time	Username	Problem	Language	Result	Execution time	Memory
680769		Blagoj	Dungeons Game (IOI21_dungeons)	C++17	0 / 100	1 ms	340 KiB

dungeons

#include "dungeons.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> str, ls, wn, lsd, d;
int N, mx = 0;

void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l) {
	d.resize(n + 2, 0);
	N = n, str = s, ls = p, wn = w, lsd = l;
	vector<int> r(n + 2);
	for (int i = 0; i < w.size(); i++) {
		r[w[i]] = i;
	}
	for (auto x : s) mx = max(mx, x);
	int pos = n;
	set<int> st;
	long long sum = 0;
	while (!st.count(pos)) {
		st.insert(pos);
		if (pos != n) sum += s[pos];
		d[pos] = sum;
		pos = r[pos];
	}
	return;
}

long long simulate(int x, int z) {
	while (x != N) {
		if (z >= mx) {
			z += d[x];
			break;
		}
		if (z >= str[x]) {
			z += str[x];
			x = wn[x];
		}
		else {
			z += ls[x];
			x = lsd[x];
		}
	}
	return z;
}

Compilation message (stderr)

dungeons.cpp: In function 'void init(int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
dungeons.cpp:12:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  for (int i = 0; i < w.size(); i++) {
      |                  ~~^~~~~~~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 26
• Subtask 3: 0 / 13
• Subtask 4: 0 / 12
• Subtask 5: 0 / 27
• Subtask 6: 0 / 11