Submission #41496

# Submission time Handle Problem Language Result Execution time Memory
41496 2018-02-17T10:56:43 Z cmaster Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
24 ms 1388 KB
#include <bits/stdc++.h>
/*#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>*/
 
#define pb push_back
#define mp make_pair
#define sz(s) ((int)(s.size()))
#define all(s) s.begin(), s.end()
#define rep(i, a, n) for (int i = a; i <= n; ++i)
#define per(i, n, a) for (int i = n; i >= a; --i)
#define onlycin ios_base::sync_with_stdio(false); cin.tie(0) 
#define F first
#define S second
using namespace std;
// using namespace __gnu_pbds;
typedef long long ll;
typedef unsigned long long ull;
/*typedef tree<
pair < int, int >,
null_type,
less< pair < int, int > >,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;*/
// find_by_order() order_of_key()
const int MAXN = (int)5e5+228;
const char nxtl = '\n';
const int mod = (int)1e9+7;
const double eps = (double)1e-7;
template<typename T> inline bool updmin(T &a, const T &b) {return a > b ? a = b, 1 : 0;}
template<typename T> inline bool updmax(T &a, const T &b) {return a < b ? a = b, 1 : 0;}

int n, m, b[MAXN], p[MAXN], d[2020];
vector < pair < int, int > > g[2020];
vector < int > divs[2020], have[2020];

int main() {
	#ifdef accepted
		freopen(".in", "r", stdin);
		freopen(".out", "w", stdout);
	#endif
	onlycin;
	cin >> n >> m;
	rep(i, 1, m) {
		cin >> b[i] >> p[i];
		have[++b[i]].pb(p[i]);
	}
	rep(i, 1, n) {
		sort(all(have[i])); have[i].resize(unique(all(have[i]))-have[i].begin());
	}
	memset(d, 0x3f, sizeof d);
	d[b[1]] = 0;
	set < pair < int, int > > S; S.insert(mp(0, b[1]));
	while(!S.empty()) {
		int v = S.begin()->second;
		S.erase(S.begin());
		for(auto &to : have[v]) {
			int cnt = 0;
			for(int go = v + to; go <= n; go += to) {
				cnt++;
				if(cnt + d[v] < d[go]) {
					S.erase(mp(d[go], go));
					d[go] = d[v]+cnt;
					S.insert(mp(d[go], go));
				}
				if(binary_search(all(have[go]), to)) break;
			}
			cnt = 0;
			for(int go = v - to; go > 0; go -= to) {
				cnt++;
				if(cnt + d[v] < d[go]) {
					S.erase(mp(d[go], go));
					d[go] = d[v]+cnt;
					S.insert(mp(d[go], go));
				}
				if(binary_search(all(have[go]), to)) break;
			}
		}
	}
	if(d[b[2]] == d[0]) d[b[2]] = -1;
	cout << d[b[2]] << nxtl;
	
	return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 608 KB Output is correct
3 Correct 2 ms 688 KB Output is correct
4 Correct 2 ms 688 KB Output is correct
5 Correct 2 ms 688 KB Output is correct
6 Correct 2 ms 688 KB Output is correct
7 Correct 2 ms 688 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 688 KB Output is correct
2 Correct 2 ms 696 KB Output is correct
3 Correct 2 ms 728 KB Output is correct
4 Correct 2 ms 728 KB Output is correct
5 Correct 2 ms 744 KB Output is correct
6 Correct 2 ms 744 KB Output is correct
7 Correct 2 ms 744 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 832 KB Output is correct
10 Correct 2 ms 832 KB Output is correct
11 Correct 2 ms 832 KB Output is correct
12 Correct 2 ms 832 KB Output is correct
13 Correct 2 ms 832 KB Output is correct
14 Correct 2 ms 832 KB Output is correct
15 Correct 2 ms 832 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 832 KB Output is correct
2 Correct 2 ms 832 KB Output is correct
3 Correct 2 ms 832 KB Output is correct
4 Correct 2 ms 832 KB Output is correct
5 Correct 2 ms 832 KB Output is correct
6 Correct 2 ms 832 KB Output is correct
7 Correct 2 ms 832 KB Output is correct
8 Correct 2 ms 832 KB Output is correct
9 Correct 2 ms 832 KB Output is correct
10 Correct 2 ms 832 KB Output is correct
11 Correct 2 ms 832 KB Output is correct
12 Correct 2 ms 832 KB Output is correct
13 Correct 2 ms 832 KB Output is correct
14 Correct 2 ms 832 KB Output is correct
15 Correct 2 ms 832 KB Output is correct
16 Correct 2 ms 832 KB Output is correct
17 Correct 3 ms 832 KB Output is correct
18 Correct 2 ms 832 KB Output is correct
19 Correct 2 ms 832 KB Output is correct
20 Correct 3 ms 832 KB Output is correct
21 Correct 2 ms 832 KB Output is correct
22 Correct 2 ms 832 KB Output is correct
23 Correct 3 ms 832 KB Output is correct
24 Correct 3 ms 876 KB Output is correct
25 Correct 3 ms 876 KB Output is correct
26 Correct 2 ms 876 KB Output is correct
27 Correct 2 ms 876 KB Output is correct
28 Correct 2 ms 876 KB Output is correct
29 Correct 8 ms 876 KB Output is correct
30 Correct 3 ms 984 KB Output is correct
31 Correct 4 ms 984 KB Output is correct
32 Correct 3 ms 984 KB Output is correct
33 Correct 10 ms 984 KB Output is correct
34 Correct 8 ms 984 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 984 KB Output is correct
2 Correct 2 ms 984 KB Output is correct
3 Correct 2 ms 984 KB Output is correct
4 Correct 2 ms 984 KB Output is correct
5 Correct 2 ms 984 KB Output is correct
6 Correct 2 ms 984 KB Output is correct
7 Correct 2 ms 984 KB Output is correct
8 Correct 2 ms 984 KB Output is correct
9 Correct 2 ms 984 KB Output is correct
10 Correct 2 ms 984 KB Output is correct
11 Correct 3 ms 984 KB Output is correct
12 Correct 2 ms 984 KB Output is correct
13 Correct 2 ms 984 KB Output is correct
14 Correct 2 ms 984 KB Output is correct
15 Correct 2 ms 984 KB Output is correct
16 Correct 2 ms 984 KB Output is correct
17 Correct 4 ms 984 KB Output is correct
18 Correct 2 ms 984 KB Output is correct
19 Correct 2 ms 984 KB Output is correct
20 Correct 3 ms 984 KB Output is correct
21 Correct 2 ms 984 KB Output is correct
22 Correct 2 ms 984 KB Output is correct
23 Correct 2 ms 984 KB Output is correct
24 Correct 3 ms 984 KB Output is correct
25 Correct 3 ms 984 KB Output is correct
26 Correct 2 ms 984 KB Output is correct
27 Correct 2 ms 984 KB Output is correct
28 Correct 2 ms 984 KB Output is correct
29 Correct 6 ms 984 KB Output is correct
30 Correct 3 ms 984 KB Output is correct
31 Correct 4 ms 984 KB Output is correct
32 Correct 4 ms 984 KB Output is correct
33 Correct 8 ms 984 KB Output is correct
34 Correct 9 ms 984 KB Output is correct
35 Correct 12 ms 1136 KB Output is correct
36 Correct 4 ms 1136 KB Output is correct
37 Correct 13 ms 1172 KB Output is correct
38 Correct 17 ms 1208 KB Output is correct
39 Correct 18 ms 1260 KB Output is correct
40 Correct 16 ms 1260 KB Output is correct
41 Correct 21 ms 1260 KB Output is correct
42 Correct 7 ms 1260 KB Output is correct
43 Correct 7 ms 1260 KB Output is correct
44 Correct 7 ms 1260 KB Output is correct
45 Correct 16 ms 1260 KB Output is correct
46 Correct 24 ms 1260 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 1260 KB Output is correct
2 Correct 2 ms 1260 KB Output is correct
3 Correct 2 ms 1260 KB Output is correct
4 Correct 1 ms 1260 KB Output is correct
5 Correct 2 ms 1260 KB Output is correct
6 Correct 1 ms 1260 KB Output is correct
7 Correct 2 ms 1260 KB Output is correct
8 Correct 2 ms 1260 KB Output is correct
9 Correct 2 ms 1260 KB Output is correct
10 Correct 2 ms 1260 KB Output is correct
11 Correct 2 ms 1260 KB Output is correct
12 Correct 2 ms 1260 KB Output is correct
13 Correct 3 ms 1260 KB Output is correct
14 Correct 3 ms 1260 KB Output is correct
15 Correct 3 ms 1260 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 3 ms 1260 KB Output is correct
18 Correct 2 ms 1260 KB Output is correct
19 Correct 2 ms 1260 KB Output is correct
20 Correct 2 ms 1260 KB Output is correct
21 Correct 2 ms 1260 KB Output is correct
22 Correct 2 ms 1260 KB Output is correct
23 Correct 3 ms 1260 KB Output is correct
24 Correct 3 ms 1260 KB Output is correct
25 Correct 4 ms 1260 KB Output is correct
26 Correct 2 ms 1260 KB Output is correct
27 Correct 3 ms 1260 KB Output is correct
28 Correct 3 ms 1260 KB Output is correct
29 Correct 6 ms 1260 KB Output is correct
30 Correct 4 ms 1260 KB Output is correct
31 Correct 4 ms 1260 KB Output is correct
32 Correct 3 ms 1260 KB Output is correct
33 Correct 8 ms 1260 KB Output is correct
34 Correct 9 ms 1260 KB Output is correct
35 Correct 17 ms 1260 KB Output is correct
36 Correct 5 ms 1260 KB Output is correct
37 Correct 12 ms 1260 KB Output is correct
38 Correct 14 ms 1264 KB Output is correct
39 Correct 15 ms 1264 KB Output is correct
40 Correct 14 ms 1324 KB Output is correct
41 Correct 15 ms 1324 KB Output is correct
42 Correct 8 ms 1324 KB Output is correct
43 Correct 7 ms 1324 KB Output is correct
44 Correct 8 ms 1324 KB Output is correct
45 Correct 20 ms 1324 KB Output is correct
46 Correct 15 ms 1324 KB Output is correct
47 Runtime error 3 ms 1388 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Halted 0 ms 0 KB -