oj.uz

답안 #610890

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
610890 2022-07-28T17:16:22 Z fvogel499 Sky Walking (IOI19_walk) C++17
33 / 100
 300 ms 39072 KB 
#include "walk.h"
#include <bits/stdc++.h>

using namespace std;

#define pii pair<int, int>
#define f first
#define s second

#define int long long
#define size(x) (int)((x).size())

const int inf = 1e18;

int min_distance(std::vector<signed> pos, std::vector<signed> heightOf, std::vector<signed> leftP, std::vector<signed> rightP, std::vector<signed> yLevel, signed s, signed g) {
	const int n = size(pos);
	const int nbP = size(leftP);
	vector<int> finishAt [n];
	for (int i = 0; i < nbP; i++) {
		finishAt[rightP[i]].push_back(yLevel[i]);
	}
	finishAt[0].push_back(0);
	map<int, int> dp [n];
	for (int i : finishAt[n-1]) {
		dp[n-1][i] = i;
	}
	vector<pair<int, int>> addAt [n];
	vector<pair<int, int>> removeAt [n];
	for (int i = 0; i < nbP; i++) {
		addAt[rightP[i]].push_back({yLevel[i], rightP[i]});
		removeAt[leftP[i]].push_back({yLevel[i], rightP[i]});
	}
	map<int, int> m;
	for (int i = n-1; i >= 0; i--) {
		if (i < n-1) {
			for (int j : finishAt[i]) {
				dp[i][j] = inf;
				auto it = m.upper_bound(j);
				if (!m.empty() && it != m.end()) {
					int loc = dp[it->second][it->first]+it->first-j;
					dp[i][j] = min(dp[i][j], loc);
				}
				if (!m.empty() && it != m.begin()) {
					it = prev(it);
					int loc = dp[it->second][it->first]+j-it->first;
					dp[i][j] = min(dp[i][j], loc);
				}
			}
		}
		for (auto j : removeAt[i]) {
			assert(m.count(j.f));
			m.erase(j.f);
		}
		for (auto j : addAt[i]) {
			assert(!m.count(j.f));
			m[j.f] = j.s;
		}
	}
	int res = dp[0][0];
	res += (int)(pos[n-1]-pos[0]);
	if (res >= inf) res = -1;
	return res;
}

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 9164 KB Output is correct
2 Correct 151 ms 14416 KB Output is correct
3 Correct 172 ms 16548 KB Output is correct
4 Correct 215 ms 29952 KB Output is correct
5 Correct 274 ms 35356 KB Output is correct
6 Correct 256 ms 31096 KB Output is correct
7 Correct 95 ms 22476 KB Output is correct
8 Correct 116 ms 31684 KB Output is correct
9 Correct 267 ms 32860 KB Output is correct
10 Correct 166 ms 32328 KB Output is correct
11 Correct 13 ms 7116 KB Output is correct

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 9164 KB Output is correct
2 Correct 151 ms 14416 KB Output is correct
3 Correct 172 ms 16548 KB Output is correct
4 Correct 215 ms 29952 KB Output is correct
5 Correct 274 ms 35356 KB Output is correct
6 Correct 256 ms 31096 KB Output is correct
7 Correct 95 ms 22476 KB Output is correct
8 Correct 116 ms 31684 KB Output is correct
9 Correct 267 ms 32860 KB Output is correct
10 Correct 166 ms 32328 KB Output is correct
11 Correct 13 ms 7116 KB Output is correct
12 Correct 154 ms 18356 KB Output is correct
13 Correct 198 ms 33740 KB Output is correct
14 Correct 288 ms 39072 KB Output is correct
15 Correct 160 ms 33100 KB Output is correct
16 Correct 162 ms 33316 KB Output is correct
17 Correct 182 ms 33248 KB Output is correct
18 Correct 187 ms 33088 KB Output is correct
19 Correct 207 ms 33340 KB Output is correct
20 Correct 103 ms 25072 KB Output is correct
21 Correct 34 ms 15660 KB Output is correct
22 Correct 138 ms 30084 KB Output is correct
23 Correct 142 ms 31156 KB Output is correct
24 Correct 130 ms 32804 KB Output is correct
25 Correct 125 ms 30368 KB Output is correct
26 Correct 144 ms 35028 KB Output is correct
27 Correct 290 ms 37344 KB Output is correct
28 Correct 176 ms 33600 KB Output is correct
29 Correct 300 ms 34856 KB Output is correct
30 Correct 98 ms 25248 KB Output is correct
31 Correct 241 ms 36800 KB Output is correct
32 Correct 150 ms 31556 KB Output is correct
33 Correct 136 ms 34996 KB Output is correct
34 Correct 168 ms 33952 KB Output is correct
35 Correct 179 ms 32704 KB Output is correct
36 Correct 143 ms 32108 KB Output is correct
37 Correct 129 ms 29380 KB Output is correct
38 Correct 130 ms 34676 KB Output is correct
39 Correct 158 ms 32432 KB Output is correct
40 Correct 122 ms 32928 KB Output is correct
41 Correct 120 ms 30980 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -