Submission #550145

#	Time	Username	Problem	Language	Result	Execution time	Memory
550145		Theo830	Dungeons Game (IOI21_dungeons)	C++17	0 / 100	7033 ms	19772 KiB

dungeons

#include <bits/stdc++.h>
using namespace std;
typedef int ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define iii2 pair<ii,ll>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
#include "dungeons.h"
//void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l);
//long long simulate(int x, int z);
vector<int>S,P,W,L;
void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l){
    S = s;
    P = p;
    W = w;
    L = l;
	return;
}

long long simulate(int x, int z){
    int n = S.size();
    long long ans = z;
    ll cur = x;
    while(1){
        bool v[n] = {0};
        vll vis;
        ll mini = 1e9;
        ll sum = 0;
        while(!v[cur]){
            v[cur] = 1;
            vis.pb(cur);
            if(ans >= S[cur]){
                ans += S[cur];
                cur = W[cur];
            }
            else{
                ans += P[cur];
                cur = L[cur];
            }
            if(cur == n){
                break;
            }
        }
        if(cur == n){
            break;
        }
        reverse(all(vis));
        while(vis.back() != cur){
            vis.pop_back();
        }
        for(auto x:vis){
            if(S[x] > ans){
                mini = min(mini,S[x]);
                sum += P[x];
            }
            else{
                sum += S[x];
            }
        }
        if(mini != (ll)(1e9)){
            ans += sum * ((mini - ans) / sum);
        }
    }
    return ans;
}
/*
static int n, q;
static std::vector<int> s, p, z;
static std::vector<int> w, l, x;
static std::vector<long long> answer;

int main() {
	assert(scanf("%d %d", &n, &q) == 2);
	s.resize(n);
	p.resize(n);
	w.resize(n);
	l.resize(n);
    x.resize(q);
    z.resize(q);
    answer.resize(q);

	for (int i = 0; i < n; i++) {
		assert(scanf("%d", &s[i]) == 1);
	}
	for (int i = 0; i < n; i++) {
		assert(scanf("%d", &p[i]) == 1);
	}
	for (int i = 0; i < n; i++) {
		assert(scanf("%d", &w[i]) == 1);
	}
	for (int i = 0; i < n; i++) {
		assert(scanf("%d", &l[i]) == 1);
	}


    init(n, s, p, w, l);

    for (int i = 0; i < q; i++) {
		assert(scanf("%d %d", &x[i], &z[i]) == 2);
		answer[i] = simulate(x[i], z[i]);
    }
    fclose(stdin);

    for (int i = 0; i < q; i++) {
        printf("%lld\n", answer[i]);
    }
    fclose(stdout);
    return 0;
}
*/

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