oj.uz

답안 #1012244

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1012244 2024-07-01T21:07:34 Z 1ne 던전 (IOI21_dungeons) C++17
26 / 100
 772 ms 489676 KB 
#include "dungeons.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
const int k = 20;
vector<vector<long long>>table;
vector<vector<long long>>nx;
vector<vector<long long>>bk;
vector<vector<long long>>sum;
vector<vector<long long>>bksum;
vector<vector<long long>>need;
vector<int>S,P,W,L;
long long N;	
void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l) {
	table.resize(n,vector<long long>(k));
	nx.resize(n,vector<long long>(k,-1));
	sum.resize(n,vector<long long>(k,0));
	need.resize(n,vector<long long>(k,1e16));
	bk.resize(n,vector<long long>(k,-1));
	bksum.resize(n,vector<long long>(k,0));
	N = n;
	S = s;
	P = p;
	W = w;
	L = l;
	for (long long i = 0;i<n;++i){
		table[i][0] = s[i];
		nx[i][0] = w[i];
		sum[i][0] = s[i];
		need[i][0] = s[i];
		bk[i][0] = l[i];
		bksum[i][0] = p[i];
	}
	for (long long i = 1;i<k;++i){
			for (long long j = 0;j<n;++j){
			if (nx[j][i - 1] == -1 || nx[j][i - 1] == n)continue;
			//cout<<nx[j][i - 1]<<'\n';
			nx[j][i] = nx[nx[j][i - 1]][i - 1];
			table[j][i] = max(table[j][i - 1],table[nx[j][i - 1]][i - 1] - sum[j][i - 1]);
			sum[j][i] = sum[j][i - 1] + sum[nx[j][i - 1]][i - 1];
		}
	}
	for (long long i = 1;i<k;++i){
			for (long long j = 0;j<n;++j){
			if (bk[j][i - 1] == -1 || bk[j][i - 1] == n)continue;
			//cout<<nx[j][i - 1]<<'\n';
			bk[j][i] = bk[bk[j][i - 1]][i - 1];
			need[j][i] = min(need[j][i - 1],need[bk[j][i - 1]][i - 1] - bksum[j][i - 1]);
			bksum[j][i] = bksum[j][i - 1] + bksum[bk[j][i - 1]][i - 1];
		}
	}
	return;
}
 
long long simulate(int x, int z) {
	unordered_map<int,long long>mp;
	long long Z = z;
	int cnt = 0;
	auto check = [&](int xx){
		if (xx != N && mp.find(xx) != mp.end() && S[xx] > Z && Z != mp[xx]){
			long long v = Z - mp[xx];
			long long k = (S[xx] - Z + v - 1) / v;
			Z+=k * v;			
		}
		mp[xx] = Z;
	};
	while(x != N){
		//check(x);
		cnt++;
		//assert(cnt < 50);
	//	cout<<x<<"->";
		long long c = -1;
		int left = 0,right = k - 1;
		while(left <= right){
			int mid = (left + right)>>1;
			if (nx[x][mid] != -1 && table[x][mid] <= Z){
				left = mid + 1;
				c = mid;
			}
			else right = mid - 1;
		}
		++c;
		//while(nx[x][c] != -1 && table[x][c] <= Z){
		//	++c;
		//}
		if (c != 0){
			Z+=sum[x][c - 1];
			x = nx[x][c - 1];	
		}
		check(x);
		if (x != N && S[x] > Z){
			int cc = 0;
			while(bk[x][cc]!=-1 && need[x][cc] > Z){
				++cc;
			}
			cc--;
			while(cc >= 0 && x != N){
			//	cout<<x<<"->";
				if (bk[x][cc] != -1){
					if (need[x][cc] <= Z){
						cc--;
					}	 
					else{
						Z+=bksum[x][cc];
						x = bk[x][cc];
						check(x);
					}
				}
				else cc--;
			}
			//cout<<'\n';
		}	
	}
//	cout<<'\n';
	return Z;
}

Subtask #1
0.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1628 KB Output is correct
2 Correct 749 ms 489552 KB Output is correct
3 Correct 722 ms 489540 KB Output is correct
4 Correct 730 ms 489556 KB Output is correct
5 Correct 604 ms 489556 KB Output is correct
6 Correct 772 ms 489524 KB Output is correct
7 Correct 686 ms 489676 KB Output is correct

Subtask #3
0.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 96 ms 62136 KB Output is correct
3 Correct 117 ms 62268 KB Output is correct
4 Correct 101 ms 62032 KB Output is correct
5 Correct 104 ms 62036 KB Output is correct
6 Incorrect 121 ms 62040 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 96 ms 62136 KB Output is correct
3 Correct 117 ms 62268 KB Output is correct
4 Correct 101 ms 62032 KB Output is correct
5 Correct 104 ms 62036 KB Output is correct
6 Incorrect 121 ms 62040 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #5
0.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 96 ms 62136 KB Output is correct
3 Correct 117 ms 62268 KB Output is correct
4 Correct 101 ms 62032 KB Output is correct
5 Correct 104 ms 62036 KB Output is correct
6 Incorrect 121 ms 62040 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1628 KB Output is correct
2 Correct 749 ms 489552 KB Output is correct
3 Correct 722 ms 489540 KB Output is correct
4 Correct 730 ms 489556 KB Output is correct
5 Correct 604 ms 489556 KB Output is correct
6 Correct 772 ms 489524 KB Output is correct
7 Correct 686 ms 489676 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 96 ms 62136 KB Output is correct
10 Correct 117 ms 62268 KB Output is correct
11 Correct 101 ms 62032 KB Output is correct
12 Correct 104 ms 62036 KB Output is correct
13 Incorrect 121 ms 62040 KB Output isn't correct
14 Halted 0 ms 0 KB -