Submission #444293

#	Time	Username	Problem	Language	Result	Execution time	Memory
444293		hhhhaura	Dungeons Game (IOI21_dungeons)	C++17	100 / 100	3074 ms	1691132 KiB

dungeons

#include "dungeons.h"
#define wiwihorz
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma loop-opt(on)

#define rep(i, a, b) for(int i = a; i <= b; i ++)
#define rrep(i, a, b) for(int i = b; i >= a; i--)
#define all(x) x.begin(), x.end()
#define ceil(a, b) ((a + b - 1) / (b))

#define INF 1000000000000000000
#define MOD 1000000007
#define eps (1e-9)

using namespace std;

#define ll long long int
#define lld long double
#define pii pair<int, int>
#define random mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count())

#ifdef wiwihorz
#define print(a...) cerr << "Line " << __LINE__ << ": ", kout("[" + string(#a) + "] = ", a)
void vprint(auto L, auto R) { while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
void kout() {cerr << endl;}
template<class T1, class ... T2> void kout(T1 a, T2 ... e) { cerr << a << " ", kout(e...);}
#else
#define print(...) 0
#define vprint(...) 0
#endif
int N, K = 6, sz, lg;
ll cur; 
vector<ll> P;
vector<int> S, W;
vector<vector<int>> to[20];
vector<vector<ll>> ge[20], lim[20];
void init(int n, vector<int> s, vector<int> p, vector<int> w, vector<int> l) {
	N = n, sz = 0, lg = 20, cur = 1, S = s, W = w;
	while(cur < 1e7) sz ++, cur = cur * K;
	P.assign(sz + 2, 1), P[sz + 1] = INF;
	rep(i, 1, sz) P[i] = P[i - 1] * K; 
	rep(seg, 0, sz) {
		int L = P[seg];
		to[seg].assign(lg + 1, vector<int>(n + 1, n));
		ge[seg].assign(lg + 1, vector<ll>(n + 1, 0ll));
		lim[seg].assign(lg + 1, vector<ll>(n + 1, INF));
		rep(i, 0, n - 1) {
			if(s[i] < L) {
				to[seg][0][i] = w[i];
				ge[seg][0][i] = s[i];
				lim[seg][0][i] = INF;
			}
			else {
				to[seg][0][i] = l[i];
				ge[seg][0][i] = p[i];
				lim[seg][0][i] = s[i];
			}
		}
		rep(i, 1, lg) rep(j, 0, n) {
			to[seg][i][j] = to[seg][i - 1][to[seg][i - 1][j]];
			ge[seg][i][j] = ge[seg][i - 1][j] + ge[seg][i - 1][to[seg][i - 1][j]];
			lim[seg][i][j] = min(lim[seg][i - 1][j], 
				lim[seg][i - 1][to[seg][i - 1][j]] - ge[seg][i - 1][j]);
		}
	}
	return;
}
pair<int, ll> go(int id, int x, ll z) {
	rrep(i, 0, lg) {
		if(lim[id][i][x] > z) {
			z += ge[id][i][x];
			x = to[id][i][x];
		}
	}
	if(x == N) return {x, z};
	if(z >= S[x]) z += S[x], x = W[x];
	else z += ge[id][0][x], x = to[id][0][x];
	return {x, z};
} 
ll simulate(int x, int z) {
	ll cost = z;
	rep(i, 0, sz) {
		while(cost < P[i + 1]) {
			tie(x, cost) = go(i, x, cost);
			if(x == N) return cost;
		}
	}
	assert(x == N);
	return cost;
}

Compilation message (stderr)

dungeons.cpp:5: warning: ignoring '#pragma loop ' [-Wunknown-pragmas]
    5 | #pragma loop-opt(on)
      | 
dungeons.cpp:25:13: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   25 | void vprint(auto L, auto R) { while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
      |             ^~~~
dungeons.cpp:25:21: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   25 | void vprint(auto L, auto R) { while(L < R) cerr << *L << " \n"[next(L) == R], ++L;}
      |                     ^~~~

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