oj.uz

Submission #162342

# Submission time Handle Problem Language Result Execution time Memory
162342 2019-11-07T15:51:26 Z kostia244 Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 295 ms 113272 KB 
#pragma comment(linker, "/stack:200000000")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
//#include<bits/extc++.h>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define pb push_back
using namespace std;
//using namespace __gnu_pbds;
using ll = long long;
using vi = vector<ll>;
using vvi = vector<vector<ll>>;
const ll mod = 998244353;
//using oset = tree<pair<int, int>, null_type, less<pair<int, int>>, rb_tree_tag, tree_order_statistics_node_update>;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxn = 30020;
ll n, m, dist[maxn], s, t;
vi doges[maxn];
bitset<maxn> hs[maxn];
int main() {
//	ios::sync_with_stdio(0);
//	cin.tie(0);
//	cout.tie(0);
	memset(dist, 0x3f, sizeof dist);
	cin >> n >> m;
	for (int b, p, i = 0; i < m; i++) {
		cin >> b >> p;
		if(!i) s = b;
		if(i==1) t = b;
		if(!hs[b].test(p))doges[b].pb(p), hs[b].set(p, 1);
	}
	priority_queue<pair<int, int>> pq;
	dist[s]=0;
	pq.push({0, s});
	while (!pq.empty()) {
		int u, cst;
		tie(cst, u) = pq.top();
		pq.pop();
		cst *= -1;
		if (cst > dist[u])
			continue;
		if(u==t) {
			cout << cst << '\n';
			return 0;
		}
		for (auto k : doges[u]) {
			for (int v, z =3, i = 1; z&&(u + i * k < n || u - i * k >= 0); i++) {
				v = u + i*k;
				if(v < n){
					if(dist[v] > dist[u] + i) {
						dist[v] = dist[u] + i;
						pq.push({-dist[v], v});
					}
					if(hs[v].test(k))
						z&=1;
				}
				v = u - i * k;
				if(v >= 0){
					if(dist[v] > dist[u] + i) {
						dist[v] = dist[u] + i;
						pq.push({-dist[v], v});
					}
					if(hs[v].test(k))
						z&=2;
				}
			}
		}
	}
	cout << -1;
}

Compilation message

skyscraper.cpp:1:0: warning: ignoring #pragma comment  [-Wunknown-pragmas]
 #pragma comment(linker, "/stack:200000000")

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 2 ms 1272 KB Output is correct
7 Correct 3 ms 1272 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1348 KB Output is correct
6 Correct 3 ms 1272 KB Output is correct
7 Correct 3 ms 1272 KB Output is correct
8 Correct 3 ms 1272 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct
10 Correct 4 ms 1656 KB Output is correct
11 Correct 5 ms 1656 KB Output is correct
12 Correct 14 ms 1276 KB Output is correct
13 Correct 5 ms 1656 KB Output is correct
14 Correct 5 ms 1528 KB Output is correct
15 Correct 5 ms 1528 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1272 KB Output is correct
7 Correct 3 ms 1272 KB Output is correct
8 Correct 3 ms 1272 KB Output is correct
9 Correct 3 ms 1400 KB Output is correct
10 Correct 4 ms 1656 KB Output is correct
11 Correct 5 ms 1656 KB Output is correct
12 Correct 4 ms 1276 KB Output is correct
13 Correct 4 ms 1656 KB Output is correct
14 Correct 5 ms 1528 KB Output is correct
15 Correct 5 ms 1528 KB Output is correct
16 Correct 5 ms 2040 KB Output is correct
17 Correct 27 ms 3832 KB Output is correct
18 Correct 8 ms 4216 KB Output is correct
19 Correct 5 ms 3192 KB Output is correct
20 Correct 14 ms 8696 KB Output is correct
21 Correct 6 ms 2680 KB Output is correct
22 Correct 6 ms 3576 KB Output is correct
23 Correct 8 ms 4092 KB Output is correct
24 Correct 14 ms 5880 KB Output is correct
25 Correct 12 ms 6136 KB Output is correct
26 Correct 7 ms 1528 KB Output is correct
27 Correct 7 ms 1532 KB Output is correct
28 Correct 14 ms 8696 KB Output is correct
29 Correct 8 ms 1528 KB Output is correct
30 Correct 6 ms 1528 KB Output is correct
31 Correct 7 ms 1524 KB Output is correct
32 Correct 7 ms 1528 KB Output is correct
33 Correct 8 ms 1656 KB Output is correct
34 Correct 8 ms 1784 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 3 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1272 KB Output is correct
7 Correct 3 ms 1272 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 8 ms 1400 KB Output is correct
10 Correct 4 ms 1656 KB Output is correct
11 Correct 5 ms 1656 KB Output is correct
12 Correct 4 ms 1272 KB Output is correct
13 Correct 5 ms 1656 KB Output is correct
14 Correct 5 ms 1528 KB Output is correct
15 Correct 5 ms 1528 KB Output is correct
16 Correct 4 ms 2040 KB Output is correct
17 Correct 8 ms 3832 KB Output is correct
18 Correct 7 ms 4216 KB Output is correct
19 Correct 6 ms 3192 KB Output is correct
20 Correct 14 ms 8696 KB Output is correct
21 Correct 5 ms 2680 KB Output is correct
22 Correct 6 ms 3576 KB Output is correct
23 Correct 9 ms 4088 KB Output is correct
24 Correct 12 ms 5952 KB Output is correct
25 Correct 12 ms 6136 KB Output is correct
26 Correct 8 ms 1656 KB Output is correct
27 Correct 7 ms 1528 KB Output is correct
28 Correct 14 ms 8700 KB Output is correct
29 Correct 7 ms 1528 KB Output is correct
30 Correct 6 ms 1528 KB Output is correct
31 Correct 15 ms 1528 KB Output is correct
32 Correct 7 ms 1656 KB Output is correct
33 Correct 8 ms 1656 KB Output is correct
34 Correct 8 ms 1676 KB Output is correct
35 Correct 33 ms 7032 KB Output is correct
36 Correct 12 ms 5368 KB Output is correct
37 Correct 29 ms 8824 KB Output is correct
38 Correct 41 ms 9120 KB Output is correct
39 Correct 40 ms 9092 KB Output is correct
40 Correct 48 ms 9208 KB Output is correct
41 Correct 41 ms 9080 KB Output is correct
42 Correct 29 ms 1612 KB Output is correct
43 Correct 28 ms 1540 KB Output is correct
44 Correct 34 ms 8696 KB Output is correct
45 Correct 33 ms 2592 KB Output is correct
46 Correct 31 ms 2684 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1272 KB Output is correct
2 Correct 13 ms 1272 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 3 ms 1272 KB Output is correct
5 Correct 3 ms 1272 KB Output is correct
6 Correct 3 ms 1272 KB Output is correct
7 Correct 3 ms 1276 KB Output is correct
8 Correct 3 ms 1400 KB Output is correct
9 Correct 3 ms 1404 KB Output is correct
10 Correct 4 ms 1656 KB Output is correct
11 Correct 5 ms 1656 KB Output is correct
12 Correct 5 ms 1272 KB Output is correct
13 Correct 3 ms 1656 KB Output is correct
14 Correct 3 ms 1532 KB Output is correct
15 Correct 5 ms 1520 KB Output is correct
16 Correct 4 ms 2052 KB Output is correct
17 Correct 8 ms 3832 KB Output is correct
18 Correct 7 ms 4216 KB Output is correct
19 Correct 6 ms 3228 KB Output is correct
20 Correct 14 ms 8696 KB Output is correct
21 Correct 5 ms 2680 KB Output is correct
22 Correct 6 ms 3576 KB Output is correct
23 Correct 9 ms 4216 KB Output is correct
24 Correct 12 ms 5880 KB Output is correct
25 Correct 11 ms 6136 KB Output is correct
26 Correct 7 ms 1656 KB Output is correct
27 Correct 7 ms 1528 KB Output is correct
28 Correct 14 ms 8696 KB Output is correct
29 Correct 7 ms 1528 KB Output is correct
30 Correct 6 ms 1528 KB Output is correct
31 Correct 8 ms 1528 KB Output is correct
32 Correct 6 ms 1656 KB Output is correct
33 Correct 8 ms 1656 KB Output is correct
34 Correct 9 ms 1784 KB Output is correct
35 Correct 32 ms 6904 KB Output is correct
36 Correct 12 ms 5368 KB Output is correct
37 Correct 29 ms 8824 KB Output is correct
38 Correct 41 ms 9080 KB Output is correct
39 Correct 39 ms 9080 KB Output is correct
40 Correct 39 ms 9208 KB Output is correct
41 Correct 41 ms 9080 KB Output is correct
42 Correct 28 ms 1528 KB Output is correct
43 Correct 27 ms 1528 KB Output is correct
44 Correct 33 ms 8696 KB Output is correct
45 Correct 31 ms 2680 KB Output is correct
46 Correct 31 ms 2700 KB Output is correct
47 Correct 84 ms 42356 KB Output is correct
48 Correct 98 ms 57412 KB Output is correct
49 Correct 94 ms 57592 KB Output is correct
50 Correct 76 ms 47160 KB Output is correct
51 Correct 159 ms 76680 KB Output is correct
52 Correct 160 ms 76148 KB Output is correct
53 Correct 136 ms 75384 KB Output is correct
54 Correct 23 ms 1736 KB Output is correct
55 Correct 29 ms 1784 KB Output is correct
56 Correct 173 ms 113272 KB Output is correct
57 Correct 58 ms 11128 KB Output is correct
58 Correct 55 ms 1912 KB Output is correct
59 Correct 61 ms 2168 KB Output is correct
60 Correct 63 ms 2908 KB Output is correct
61 Correct 62 ms 3672 KB Output is correct
62 Correct 183 ms 112124 KB Output is correct
63 Correct 115 ms 5488 KB Output is correct
64 Correct 120 ms 4860 KB Output is correct
65 Correct 140 ms 4592 KB Output is correct
66 Correct 187 ms 5116 KB Output is correct
67 Correct 295 ms 5212 KB Output is correct