oj.uz

Submission #1102567

# Submission time Handle Problem Language Result Execution time Memory
1102567 2024-10-18T10:15:44 Z Ali_BBN Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 938 ms 70044 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
#define mp make_pair
#define ll long long
#define migmig cin.tie(NULL);ios_base::sync_with_stdio(false)
#define max_heap(T) priority_queue<T>
#define min_heap(T) priority_queue<T, vector<T>, greater<T>>
#define pb push_back
#define fi first
#define sec second
#define endl "\n"
#define pii pair <int, int>
using namespace std;
const ll MOD = 1e9 + 7;
const int INF = 1e9;
const ll INF18 = 1e18;
const int MAXN = 3e4 + 1;
const int LOG = 23;
vector <int> all[MAXN];
map <pii, int> shit;
set <pii> s;
bool be[MAXN];
vector <pii> adj[MAXN];
ll dist[MAXN];
int now = 0;
int t0, t1;
int ft = 0;
bool flag = 0;
void dijk(int r){
    min_heap(pii) pq;
    dist[r] = 0;
    pq.push(mp(0, r));
    while (!pq.empty()){
		ft++;
        auto [d, v] = pq.top();
		if (v == t1) return;
        pq.pop();
        if (d == dist[v]){
            for (auto [u, w] : adj[v]){
                if (dist[u] > d + w){
                    dist[u] = d + w;
                    pq.push(mp(d + w, u));
                }
            }
        }
    }
}
void solve(){
	int n, m;
	cin >> n >> m;
	for (int i = 0; i < m; i++){
		int b, p;
		cin >> b >> p;
		if (i == 0) t0 = b;
		if (i == 1) t1 = b;
		if (s.find(mp(b % p, p)) == s.end()) shit[mp(b % p, p)] = now++, s.insert(mp(b % p, p));
		be[b] = 1;
		all[shit[mp(b % p, p)]].pb(b);
	}
	vector <int> v;
	for (auto i : s){
		v.clear();
		int t = shit[i];
		for (int j : all[t]) v.pb(j);
		sort(v.begin(), v.end());
		int last = i.fi;
		for (int j = 0; j < v.size(); j++){
			for (int k = last; k < v[j]; k += i.sec){
				if (be[k]) adj[v[j]].pb(mp(k, (v[j] - k) / i.sec));
			}
			for (int k = v[j] + i.sec; k < n; k += i.sec){
				if (be[k]) adj[v[j]].pb(mp(k, (k - v[j]) / i.sec));
				if (j != v.size() - 1 && k == v[j + 1]) break;
			}
			last = v[j];
		}
	}
	fill(dist, dist + n, INF);
	dijk(t0);
	if (dist[t1] == INF) cout << -1 << endl;
	else cout << dist[t1] << endl;
}
int main(){
	migmig;
	int tc = 1;
	// cin >> tc;
	for (int ti = 0; ti < tc; ti++) solve();
}

Compilation message

skyscraper.cpp: In function 'void dijk(int)':
skyscraper.cpp:36:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   36 |         auto [d, v] = pq.top();
      |              ^
skyscraper.cpp:40:23: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   40 |             for (auto [u, w] : adj[v]){
      |                       ^
skyscraper.cpp: In function 'void solve()':
skyscraper.cpp:68:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |   for (int j = 0; j < v.size(); j++){
      |                   ~~^~~~~~~~~~
skyscraper.cpp:74:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |     if (j != v.size() - 1 && k == v[j + 1]) break;
      |         ~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1876 KB Output is correct
2 Correct 2 ms 1884 KB Output is correct
3 Correct 2 ms 1876 KB Output is correct
4 Correct 2 ms 1876 KB Output is correct
5 Correct 2 ms 1876 KB Output is correct
6 Correct 3 ms 1876 KB Output is correct
7 Correct 2 ms 1876 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1884 KB Output is correct
2 Correct 2 ms 1876 KB Output is correct
3 Correct 2 ms 1876 KB Output is correct
4 Correct 2 ms 1876 KB Output is correct
5 Correct 2 ms 1876 KB Output is correct
6 Correct 2 ms 1876 KB Output is correct
7 Correct 1 ms 1876 KB Output is correct
8 Correct 2 ms 1876 KB Output is correct
9 Correct 2 ms 1876 KB Output is correct
10 Correct 2 ms 1876 KB Output is correct
11 Correct 3 ms 2132 KB Output is correct
12 Correct 2 ms 1888 KB Output is correct
13 Correct 2 ms 1876 KB Output is correct
14 Correct 3 ms 2132 KB Output is correct
15 Correct 3 ms 2132 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2040 KB Output is correct
2 Correct 2 ms 1876 KB Output is correct
3 Correct 2 ms 2044 KB Output is correct
4 Correct 2 ms 1876 KB Output is correct
5 Correct 2 ms 1876 KB Output is correct
6 Correct 1 ms 1876 KB Output is correct
7 Correct 2 ms 1876 KB Output is correct
8 Correct 2 ms 1876 KB Output is correct
9 Correct 2 ms 2096 KB Output is correct
10 Correct 2 ms 2044 KB Output is correct
11 Correct 3 ms 2132 KB Output is correct
12 Correct 2 ms 1876 KB Output is correct
13 Correct 2 ms 1876 KB Output is correct
14 Correct 3 ms 2132 KB Output is correct
15 Correct 3 ms 2132 KB Output is correct
16 Correct 3 ms 1876 KB Output is correct
17 Correct 4 ms 2132 KB Output is correct
18 Correct 2 ms 1888 KB Output is correct
19 Correct 2 ms 1888 KB Output is correct
20 Correct 3 ms 2040 KB Output is correct
21 Correct 4 ms 1876 KB Output is correct
22 Correct 2 ms 1876 KB Output is correct
23 Correct 3 ms 1876 KB Output is correct
24 Correct 4 ms 2532 KB Output is correct
25 Correct 3 ms 2132 KB Output is correct
26 Correct 3 ms 2132 KB Output is correct
27 Correct 4 ms 2256 KB Output is correct
28 Correct 4 ms 2388 KB Output is correct
29 Correct 2 ms 1876 KB Output is correct
30 Correct 2 ms 1880 KB Output is correct
31 Correct 2 ms 1876 KB Output is correct
32 Correct 2 ms 1876 KB Output is correct
33 Correct 3 ms 2132 KB Output is correct
34 Correct 3 ms 2132 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1876 KB Output is correct
2 Correct 2 ms 1876 KB Output is correct
3 Correct 2 ms 1876 KB Output is correct
4 Correct 2 ms 1876 KB Output is correct
5 Correct 1 ms 1876 KB Output is correct
6 Correct 2 ms 1876 KB Output is correct
7 Correct 2 ms 1876 KB Output is correct
8 Correct 2 ms 1876 KB Output is correct
9 Correct 2 ms 1876 KB Output is correct
10 Correct 2 ms 1876 KB Output is correct
11 Correct 3 ms 2132 KB Output is correct
12 Correct 2 ms 2132 KB Output is correct
13 Correct 2 ms 2040 KB Output is correct
14 Correct 3 ms 2132 KB Output is correct
15 Correct 3 ms 2140 KB Output is correct
16 Correct 3 ms 1876 KB Output is correct
17 Correct 4 ms 2296 KB Output is correct
18 Correct 2 ms 1876 KB Output is correct
19 Correct 2 ms 1876 KB Output is correct
20 Correct 2 ms 1876 KB Output is correct
21 Correct 3 ms 2040 KB Output is correct
22 Correct 3 ms 1884 KB Output is correct
23 Correct 3 ms 1888 KB Output is correct
24 Correct 4 ms 2132 KB Output is correct
25 Correct 3 ms 2132 KB Output is correct
26 Correct 3 ms 2132 KB Output is correct
27 Correct 4 ms 2512 KB Output is correct
28 Correct 4 ms 2404 KB Output is correct
29 Correct 2 ms 1876 KB Output is correct
30 Correct 2 ms 1876 KB Output is correct
31 Correct 2 ms 1884 KB Output is correct
32 Correct 3 ms 2044 KB Output is correct
33 Correct 3 ms 2132 KB Output is correct
34 Correct 5 ms 2132 KB Output is correct
35 Correct 28 ms 6484 KB Output is correct
36 Correct 6 ms 2644 KB Output is correct
37 Correct 23 ms 6772 KB Output is correct
38 Correct 45 ms 8072 KB Output is correct
39 Correct 34 ms 7900 KB Output is correct
40 Correct 44 ms 8020 KB Output is correct
41 Correct 34 ms 8012 KB Output is correct
42 Correct 13 ms 8388 KB Output is correct
43 Correct 23 ms 8648 KB Output is correct
44 Correct 6 ms 2644 KB Output is correct
45 Correct 35 ms 6476 KB Output is correct
46 Correct 30 ms 6460 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1876 KB Output is correct
2 Correct 1 ms 1876 KB Output is correct
3 Correct 2 ms 1876 KB Output is correct
4 Correct 2 ms 1876 KB Output is correct
5 Correct 2 ms 1876 KB Output is correct
6 Correct 2 ms 1876 KB Output is correct
7 Correct 2 ms 1876 KB Output is correct
8 Correct 2 ms 1876 KB Output is correct
9 Correct 2 ms 1876 KB Output is correct
10 Correct 2 ms 1876 KB Output is correct
11 Correct 3 ms 2132 KB Output is correct
12 Correct 2 ms 1876 KB Output is correct
13 Correct 2 ms 1876 KB Output is correct
14 Correct 3 ms 2132 KB Output is correct
15 Correct 3 ms 2132 KB Output is correct
16 Correct 2 ms 1876 KB Output is correct
17 Correct 4 ms 2132 KB Output is correct
18 Correct 3 ms 1876 KB Output is correct
19 Correct 3 ms 1876 KB Output is correct
20 Correct 2 ms 2040 KB Output is correct
21 Correct 3 ms 1876 KB Output is correct
22 Correct 2 ms 1876 KB Output is correct
23 Correct 2 ms 1876 KB Output is correct
24 Correct 5 ms 2132 KB Output is correct
25 Correct 4 ms 2300 KB Output is correct
26 Correct 2 ms 2132 KB Output is correct
27 Correct 3 ms 2256 KB Output is correct
28 Correct 3 ms 2388 KB Output is correct
29 Correct 2 ms 1876 KB Output is correct
30 Correct 2 ms 1876 KB Output is correct
31 Correct 2 ms 1876 KB Output is correct
32 Correct 2 ms 2040 KB Output is correct
33 Correct 3 ms 2156 KB Output is correct
34 Correct 3 ms 2132 KB Output is correct
35 Correct 28 ms 6708 KB Output is correct
36 Correct 7 ms 2900 KB Output is correct
37 Correct 25 ms 6740 KB Output is correct
38 Correct 37 ms 8012 KB Output is correct
39 Correct 34 ms 8020 KB Output is correct
40 Correct 33 ms 8020 KB Output is correct
41 Correct 33 ms 8072 KB Output is correct
42 Correct 13 ms 8388 KB Output is correct
43 Correct 22 ms 8644 KB Output is correct
44 Correct 5 ms 2656 KB Output is correct
45 Correct 32 ms 6540 KB Output is correct
46 Correct 29 ms 6648 KB Output is correct
47 Correct 39 ms 13276 KB Output is correct
48 Correct 28 ms 6900 KB Output is correct
49 Correct 28 ms 6076 KB Output is correct
50 Correct 18 ms 4948 KB Output is correct
51 Correct 40 ms 9432 KB Output is correct
52 Correct 44 ms 9672 KB Output is correct
53 Correct 32 ms 7248 KB Output is correct
54 Correct 3 ms 1876 KB Output is correct
55 Correct 2 ms 1876 KB Output is correct
56 Correct 10 ms 3412 KB Output is correct
57 Correct 5 ms 2756 KB Output is correct
58 Correct 938 ms 2892 KB Output is correct
59 Correct 25 ms 8404 KB Output is correct
60 Correct 806 ms 70044 KB Output is correct
61 Correct 178 ms 37796 KB Output is correct
62 Correct 42 ms 11468 KB Output is correct
63 Correct 34 ms 6740 KB Output is correct
64 Correct 31 ms 6484 KB Output is correct
65 Correct 34 ms 6740 KB Output is correct
66 Correct 35 ms 6820 KB Output is correct
67 Correct 44 ms 6744 KB Output is correct