oj.uz

답안 #699866

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
699866 2023-02-18T07:28:41 Z happypotato Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 103884 KB 
#include <bits/stdc++.h>
using namespace std;
const int mxN = 3e4 + 1;
pair<int, int> doge[mxN];
queue<int> jump[mxN];
unordered_map<int, int> dist[mxN];
queue<pair<int, int>> q[2];
int curdist = 0;
bool flag = false;
int n;
void PushElement(pair<int, pair<int, int>> &nxt) {
	q[flag ^ (nxt.first != curdist)].push(nxt.second);
}
void AddElement(pair<int, pair<int, int>> &nxt) {
	if (!(0 <= nxt.second.first && nxt.second.first < n)) return;
	if (dist[nxt.second.first].find(nxt.second.second) == dist[nxt.second.first].end()) {
		PushElement(nxt);
		dist[nxt.second.first][nxt.second.second] = nxt.first;
	} else if (dist[nxt.second.first][nxt.second.second] > nxt.first) {
		PushElement(nxt);
		dist[nxt.second.first][nxt.second.second] = nxt.first;
	}
}
void solve() {
	int m;
	cin >> n >> m;
	for (int i = 0; i < m; i++) {
		cin >> doge[i].first >> doge[i].second;
		if (i != 0) jump[doge[i].first].push(doge[i].second);
	}
	pair<int, pair<int, int>> nxt;
	nxt = {0, doge[0]};
	AddElement(nxt);
	while (!q[flag].empty()) {
		while (!q[flag].empty()) {
			pair<int, int> cur = q[flag].front();
			q[flag].pop();
			if (dist[cur.first][cur.second] < curdist) continue;
			if (cur.first == doge[1].first) {
				cout << curdist << endl;
				return;
			}
			while (!jump[cur.first].empty()) {
				int delta = jump[cur.first].front();
				jump[cur.first].pop();
				nxt = {curdist, {cur.first, delta}};
				AddElement(nxt);
			}
			nxt = {curdist + 1, {cur.first - cur.second, cur.second}};
			AddElement(nxt);
			nxt = {curdist + 1, {cur.first + cur.second, cur.second}};
			AddElement(nxt);
		}
		curdist++;
		flag ^= 1;
	}
	cout << "-1\n";
}
int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	solve();
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 22100 KB Output is correct
2 Correct 13 ms 22044 KB Output is correct
3 Correct 13 ms 22100 KB Output is correct
4 Correct 13 ms 22156 KB Output is correct
5 Correct 14 ms 22128 KB Output is correct
6 Correct 13 ms 22100 KB Output is correct
7 Correct 12 ms 22048 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 22100 KB Output is correct
2 Correct 15 ms 22100 KB Output is correct
3 Correct 14 ms 22100 KB Output is correct
4 Correct 13 ms 22100 KB Output is correct
5 Correct 12 ms 22112 KB Output is correct
6 Correct 13 ms 22144 KB Output is correct
7 Correct 13 ms 22108 KB Output is correct
8 Correct 12 ms 22100 KB Output is correct
9 Correct 14 ms 22140 KB Output is correct
10 Correct 13 ms 22176 KB Output is correct
11 Correct 13 ms 22100 KB Output is correct
12 Correct 17 ms 22104 KB Output is correct
13 Correct 14 ms 22184 KB Output is correct
14 Correct 14 ms 22356 KB Output is correct
15 Correct 14 ms 22356 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 22100 KB Output is correct
2 Correct 13 ms 22108 KB Output is correct
3 Correct 14 ms 22100 KB Output is correct
4 Correct 13 ms 22044 KB Output is correct
5 Correct 13 ms 22088 KB Output is correct
6 Correct 14 ms 22100 KB Output is correct
7 Correct 13 ms 22044 KB Output is correct
8 Correct 13 ms 22100 KB Output is correct
9 Correct 15 ms 22100 KB Output is correct
10 Correct 13 ms 22100 KB Output is correct
11 Correct 16 ms 22100 KB Output is correct
12 Correct 16 ms 22212 KB Output is correct
13 Correct 16 ms 22184 KB Output is correct
14 Correct 14 ms 22376 KB Output is correct
15 Correct 14 ms 22356 KB Output is correct
16 Correct 14 ms 22160 KB Output is correct
17 Correct 14 ms 22264 KB Output is correct
18 Correct 16 ms 22100 KB Output is correct
19 Correct 16 ms 22124 KB Output is correct
20 Correct 17 ms 22356 KB Output is correct
21 Correct 13 ms 22100 KB Output is correct
22 Correct 15 ms 22124 KB Output is correct
23 Correct 17 ms 22356 KB Output is correct
24 Correct 15 ms 22484 KB Output is correct
25 Correct 14 ms 22228 KB Output is correct
26 Correct 14 ms 22356 KB Output is correct
27 Correct 14 ms 22484 KB Output is correct
28 Correct 16 ms 22996 KB Output is correct
29 Correct 24 ms 24868 KB Output is correct
30 Correct 16 ms 22784 KB Output is correct
31 Correct 18 ms 23612 KB Output is correct
32 Correct 16 ms 23060 KB Output is correct
33 Correct 36 ms 27696 KB Output is correct
34 Correct 22 ms 24864 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 22036 KB Output is correct
2 Correct 13 ms 22100 KB Output is correct
3 Correct 14 ms 22044 KB Output is correct
4 Correct 13 ms 22100 KB Output is correct
5 Correct 15 ms 22044 KB Output is correct
6 Correct 14 ms 22100 KB Output is correct
7 Correct 13 ms 22044 KB Output is correct
8 Correct 13 ms 22100 KB Output is correct
9 Correct 13 ms 22100 KB Output is correct
10 Correct 12 ms 22100 KB Output is correct
11 Correct 14 ms 22100 KB Output is correct
12 Correct 13 ms 22100 KB Output is correct
13 Correct 14 ms 22184 KB Output is correct
14 Correct 15 ms 22456 KB Output is correct
15 Correct 13 ms 22356 KB Output is correct
16 Correct 14 ms 22100 KB Output is correct
17 Correct 14 ms 22356 KB Output is correct
18 Correct 14 ms 22172 KB Output is correct
19 Correct 14 ms 22100 KB Output is correct
20 Correct 17 ms 22396 KB Output is correct
21 Correct 13 ms 22172 KB Output is correct
22 Correct 16 ms 22172 KB Output is correct
23 Correct 14 ms 22388 KB Output is correct
24 Correct 14 ms 22488 KB Output is correct
25 Correct 14 ms 22148 KB Output is correct
26 Correct 14 ms 22356 KB Output is correct
27 Correct 14 ms 22408 KB Output is correct
28 Correct 18 ms 22952 KB Output is correct
29 Correct 31 ms 24932 KB Output is correct
30 Correct 16 ms 22868 KB Output is correct
31 Correct 19 ms 23636 KB Output is correct
32 Correct 17 ms 23064 KB Output is correct
33 Correct 35 ms 27720 KB Output is correct
34 Correct 24 ms 24868 KB Output is correct
35 Correct 22 ms 24160 KB Output is correct
36 Correct 14 ms 22228 KB Output is correct
37 Correct 22 ms 23216 KB Output is correct
38 Correct 22 ms 24024 KB Output is correct
39 Correct 17 ms 22356 KB Output is correct
40 Correct 18 ms 22356 KB Output is correct
41 Correct 22 ms 22996 KB Output is correct
42 Correct 18 ms 22740 KB Output is correct
43 Correct 18 ms 22740 KB Output is correct
44 Correct 17 ms 22740 KB Output is correct
45 Correct 124 ms 41488 KB Output is correct
46 Correct 67 ms 33876 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 22100 KB Output is correct
2 Correct 13 ms 22100 KB Output is correct
3 Correct 14 ms 22080 KB Output is correct
4 Correct 14 ms 22056 KB Output is correct
5 Correct 13 ms 22064 KB Output is correct
6 Correct 15 ms 22100 KB Output is correct
7 Correct 15 ms 22076 KB Output is correct
8 Correct 15 ms 22100 KB Output is correct
9 Correct 12 ms 22100 KB Output is correct
10 Correct 16 ms 22164 KB Output is correct
11 Correct 13 ms 22188 KB Output is correct
12 Correct 16 ms 22092 KB Output is correct
13 Correct 14 ms 22088 KB Output is correct
14 Correct 18 ms 22372 KB Output is correct
15 Correct 17 ms 22312 KB Output is correct
16 Correct 14 ms 22100 KB Output is correct
17 Correct 14 ms 22356 KB Output is correct
18 Correct 14 ms 22140 KB Output is correct
19 Correct 15 ms 22144 KB Output is correct
20 Correct 20 ms 22376 KB Output is correct
21 Correct 17 ms 22100 KB Output is correct
22 Correct 14 ms 22128 KB Output is correct
23 Correct 16 ms 22356 KB Output is correct
24 Correct 15 ms 22484 KB Output is correct
25 Correct 14 ms 22228 KB Output is correct
26 Correct 14 ms 22392 KB Output is correct
27 Correct 14 ms 22484 KB Output is correct
28 Correct 23 ms 23040 KB Output is correct
29 Correct 26 ms 24864 KB Output is correct
30 Correct 19 ms 22848 KB Output is correct
31 Correct 21 ms 23636 KB Output is correct
32 Correct 20 ms 23108 KB Output is correct
33 Correct 45 ms 27736 KB Output is correct
34 Correct 28 ms 24872 KB Output is correct
35 Correct 22 ms 24148 KB Output is correct
36 Correct 15 ms 22240 KB Output is correct
37 Correct 20 ms 23116 KB Output is correct
38 Correct 22 ms 23988 KB Output is correct
39 Correct 19 ms 22356 KB Output is correct
40 Correct 18 ms 22464 KB Output is correct
41 Correct 26 ms 22956 KB Output is correct
42 Correct 19 ms 22740 KB Output is correct
43 Correct 18 ms 22756 KB Output is correct
44 Correct 18 ms 22740 KB Output is correct
45 Correct 162 ms 41528 KB Output is correct
46 Correct 79 ms 33884 KB Output is correct
47 Correct 22 ms 23764 KB Output is correct
48 Correct 31 ms 22232 KB Output is correct
49 Correct 25 ms 22308 KB Output is correct
50 Correct 22 ms 22228 KB Output is correct
51 Correct 42 ms 26116 KB Output is correct
52 Correct 49 ms 26700 KB Output is correct
53 Correct 34 ms 22908 KB Output is correct
54 Correct 18 ms 24276 KB Output is correct
55 Correct 29 ms 25128 KB Output is correct
56 Correct 31 ms 26524 KB Output is correct
57 Correct 14 ms 22228 KB Output is correct
58 Correct 33 ms 27664 KB Output is correct
59 Correct 32 ms 27244 KB Output is correct
60 Correct 37 ms 27360 KB Output is correct
61 Correct 32 ms 26920 KB Output is correct
62 Correct 254 ms 42188 KB Output is correct
63 Execution timed out 1088 ms 103884 KB Time limit exceeded
64 Halted 0 ms 0 KB -