oj.uz

Submission #123571

# Submission time Handle Problem Language Result Execution time Memory
123571 2019-07-01T16:44:53 Z egorlifar Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 461 ms 112632 KB 
/*
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 */
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
    
     
using namespace std;
template<typename T1, typename T2>inline void chkmin(T1 &x, T2 y) { if (x > y) x = y; }
template<typename T1, typename T2>inline void chkmax(T1 &x, T2 y) { if (x < y) x = y; } 
#define sz(c) (int)(c).size()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define left left228
#define right right228
#define next next228
#define rank rank228
#define prev prev228
#define y1 y1228                                                         
#define read(FILENAME) freopen((FILENAME + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((FILENAME + ".out").c_str(), "w", stdout)
#define files(FILENAME) read(FILENAME), write(FILENAME)
#define pb push_back
const string FILENAME = "input";
const int MAXN = 30228;


int n, m;
int b[MAXN];
int p[MAXN];
vector<int> kek[MAXN];
queue<pair<pair<int, int>, int> > q;
bitset<30001> was[30001];


int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	//read(FILENAME);
	cin >> n >> m;
	for (int i = 0; i < m; i++) {
		cin >> b[i] >> p[i];
	}
	for (int i = 0; i < m; i++) {
		kek[b[i]].pb(p[i]);
	}
	if (b[1] == b[0]) {
		cout << 0 << '\n';
		return 0;
	}
	for (int i = 0; i < n; i++) {
		sort(all(kek[i]));
		kek[i].resize(distance(kek[i].begin(), unique(all(kek[i]))));
	}
	for (auto x: kek[b[0]]) {
		q.push({{b[0], x}, 0});
		was[b[0]][x] = true;
	}
	while (!q.empty()) {
		auto x = q.front();
		q.pop();
		int pos = x.first.first;
		int jump = x.first.second;
		int cnt = x.second;
		for (int f = pos - jump; f <= pos + jump; f += 2 * jump) {
			if (f >= 0 && f < n) {
				if (!was[f][jump]) {
					was[f][jump] = true;
					if (f == b[1]) {
						cout << cnt + 1 << endl;
						exit(0);
					}
					q.push({{f, jump}, cnt + 1});
				}
				for (auto y: kek[f]) {
					if (!was[f][y]) {
						was[f][y] = true;
						q.push({{f, y}, cnt + 1});
					}
				}		
				kek[f].clear();
			}
		}

	}
	cout << -1 << endl;
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1016 KB Output is correct
3 Correct 2 ms 1016 KB Output is correct
4 Correct 3 ms 1016 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1016 KB Output is correct
7 Correct 3 ms 1016 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 2 ms 1016 KB Output is correct
3 Correct 3 ms 1016 KB Output is correct
4 Correct 3 ms 1016 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1016 KB Output is correct
7 Correct 3 ms 1020 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 10 ms 1172 KB Output is correct
10 Correct 3 ms 1272 KB Output is correct
11 Correct 3 ms 1144 KB Output is correct
12 Correct 3 ms 1400 KB Output is correct
13 Correct 3 ms 1400 KB Output is correct
14 Correct 3 ms 1528 KB Output is correct
15 Correct 4 ms 1656 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1144 KB Output is correct
2 Correct 3 ms 1016 KB Output is correct
3 Correct 3 ms 1016 KB Output is correct
4 Correct 2 ms 1016 KB Output is correct
5 Correct 3 ms 1144 KB Output is correct
6 Correct 3 ms 1016 KB Output is correct
7 Correct 3 ms 1144 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 3 ms 1144 KB Output is correct
10 Correct 3 ms 1276 KB Output is correct
11 Correct 4 ms 1144 KB Output is correct
12 Correct 4 ms 1400 KB Output is correct
13 Correct 4 ms 1528 KB Output is correct
14 Correct 4 ms 1528 KB Output is correct
15 Correct 4 ms 1528 KB Output is correct
16 Correct 3 ms 1016 KB Output is correct
17 Correct 6 ms 3064 KB Output is correct
18 Correct 3 ms 1148 KB Output is correct
19 Correct 3 ms 1144 KB Output is correct
20 Correct 11 ms 8440 KB Output is correct
21 Correct 3 ms 1104 KB Output is correct
22 Correct 3 ms 1144 KB Output is correct
23 Correct 11 ms 6520 KB Output is correct
24 Correct 12 ms 7544 KB Output is correct
25 Correct 6 ms 2552 KB Output is correct
26 Correct 12 ms 7420 KB Output is correct
27 Correct 11 ms 7632 KB Output is correct
28 Correct 13 ms 8440 KB Output is correct
29 Correct 17 ms 8440 KB Output is correct
30 Correct 12 ms 8440 KB Output is correct
31 Correct 12 ms 8440 KB Output is correct
32 Correct 12 ms 8440 KB Output is correct
33 Correct 15 ms 8440 KB Output is correct
34 Correct 13 ms 8416 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1016 KB Output is correct
2 Correct 2 ms 1016 KB Output is correct
3 Correct 2 ms 1016 KB Output is correct
4 Correct 2 ms 1016 KB Output is correct
5 Correct 2 ms 1096 KB Output is correct
6 Correct 3 ms 1016 KB Output is correct
7 Correct 3 ms 1020 KB Output is correct
8 Correct 3 ms 1016 KB Output is correct
9 Correct 3 ms 1144 KB Output is correct
10 Correct 3 ms 1276 KB Output is correct
11 Correct 3 ms 1144 KB Output is correct
12 Correct 4 ms 1400 KB Output is correct
13 Correct 4 ms 1528 KB Output is correct
14 Correct 4 ms 1528 KB Output is correct
15 Correct 4 ms 1528 KB Output is correct
16 Correct 3 ms 1144 KB Output is correct
17 Correct 5 ms 3068 KB Output is correct
18 Correct 3 ms 1144 KB Output is correct
19 Correct 3 ms 1144 KB Output is correct
20 Correct 11 ms 8568 KB Output is correct
21 Correct 3 ms 1272 KB Output is correct
22 Correct 3 ms 1144 KB Output is correct
23 Correct 9 ms 6392 KB Output is correct
24 Correct 11 ms 7544 KB Output is correct
25 Correct 5 ms 2460 KB Output is correct
26 Correct 11 ms 7416 KB Output is correct
27 Correct 11 ms 7672 KB Output is correct
28 Correct 12 ms 8568 KB Output is correct
29 Correct 13 ms 8440 KB Output is correct
30 Correct 11 ms 8440 KB Output is correct
31 Correct 12 ms 8440 KB Output is correct
32 Correct 12 ms 8440 KB Output is correct
33 Correct 15 ms 8440 KB Output is correct
34 Correct 13 ms 8440 KB Output is correct
35 Correct 17 ms 7160 KB Output is correct
36 Correct 5 ms 1912 KB Output is correct
37 Correct 13 ms 6392 KB Output is correct
38 Correct 15 ms 5116 KB Output is correct
39 Correct 11 ms 1784 KB Output is correct
40 Correct 11 ms 2524 KB Output is correct
41 Correct 13 ms 3576 KB Output is correct
42 Correct 16 ms 8056 KB Output is correct
43 Correct 16 ms 8284 KB Output is correct
44 Correct 17 ms 9108 KB Output is correct
45 Correct 31 ms 9348 KB Output is correct
46 Correct 24 ms 9340 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1016 KB Output is correct
2 Correct 2 ms 1144 KB Output is correct
3 Correct 3 ms 1016 KB Output is correct
4 Correct 3 ms 1016 KB Output is correct
5 Correct 3 ms 1016 KB Output is correct
6 Correct 3 ms 1144 KB Output is correct
7 Correct 3 ms 1016 KB Output is correct
8 Correct 3 ms 1144 KB Output is correct
9 Correct 3 ms 1144 KB Output is correct
10 Correct 3 ms 1272 KB Output is correct
11 Correct 3 ms 1144 KB Output is correct
12 Correct 3 ms 1404 KB Output is correct
13 Correct 3 ms 1400 KB Output is correct
14 Correct 4 ms 1528 KB Output is correct
15 Correct 3 ms 1528 KB Output is correct
16 Correct 3 ms 1144 KB Output is correct
17 Correct 5 ms 3064 KB Output is correct
18 Correct 3 ms 1144 KB Output is correct
19 Correct 3 ms 1144 KB Output is correct
20 Correct 12 ms 8568 KB Output is correct
21 Correct 3 ms 1144 KB Output is correct
22 Correct 3 ms 1144 KB Output is correct
23 Correct 9 ms 6392 KB Output is correct
24 Correct 11 ms 7544 KB Output is correct
25 Correct 6 ms 2556 KB Output is correct
26 Correct 12 ms 7420 KB Output is correct
27 Correct 11 ms 7672 KB Output is correct
28 Correct 12 ms 8568 KB Output is correct
29 Correct 13 ms 8440 KB Output is correct
30 Correct 11 ms 8412 KB Output is correct
31 Correct 12 ms 8444 KB Output is correct
32 Correct 12 ms 8440 KB Output is correct
33 Correct 15 ms 8440 KB Output is correct
34 Correct 13 ms 8440 KB Output is correct
35 Correct 16 ms 7160 KB Output is correct
36 Correct 5 ms 2040 KB Output is correct
37 Correct 13 ms 6392 KB Output is correct
38 Correct 14 ms 4984 KB Output is correct
39 Correct 10 ms 1784 KB Output is correct
40 Correct 11 ms 2552 KB Output is correct
41 Correct 13 ms 3576 KB Output is correct
42 Correct 16 ms 8056 KB Output is correct
43 Correct 16 ms 8312 KB Output is correct
44 Correct 17 ms 9080 KB Output is correct
45 Correct 32 ms 9464 KB Output is correct
46 Correct 24 ms 9340 KB Output is correct
47 Correct 28 ms 13688 KB Output is correct
48 Correct 10 ms 1916 KB Output is correct
49 Correct 10 ms 1916 KB Output is correct
50 Correct 8 ms 1784 KB Output is correct
51 Correct 104 ms 77052 KB Output is correct
52 Correct 120 ms 89820 KB Output is correct
53 Correct 33 ms 19064 KB Output is correct
54 Correct 71 ms 61304 KB Output is correct
55 Correct 94 ms 77944 KB Output is correct
56 Correct 139 ms 112632 KB Output is correct
57 Correct 5 ms 2680 KB Output is correct
58 Correct 139 ms 111872 KB Output is correct
59 Correct 131 ms 104136 KB Output is correct
60 Correct 130 ms 104184 KB Output is correct
61 Correct 126 ms 99036 KB Output is correct
62 Correct 215 ms 112632 KB Output is correct
63 Correct 251 ms 112120 KB Output is correct
64 Correct 268 ms 112120 KB Output is correct
65 Correct 351 ms 112348 KB Output is correct
66 Correct 461 ms 112248 KB Output is correct
67 Correct 296 ms 112244 KB Output is correct