oj.uz

답안 #939145

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
939145 2024-03-06T06:14:10 Z a_l_i_r_e_z_a Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 11600 KB 
// In the name of God
// Hope is last to die
 
#include <bits/stdc++.h>
using namespace std;
 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2")
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
 
#define pb push_back
#define int long long
#define S second
#define F first
#define mp make_pair
#define smax(x, y) (x) = max((x), (y))
#define smin(x, y) (x) = min((x), (y))
#define all(x) (x).begin(), (x).end()
 
const int maxn = 3e4 + 5;
const int inf = 1e9 + 7;
int n, m, s, t, d[maxn];
vector<int> vec[maxn];
vector<pii> adj[maxn];
bool mark[maxn];
set<pll> st;

void dij(){
    memset(d, 63, sizeof d);
    d[s] = 0;
    st.insert(mp(0, s));
    while(st.size()){
        int v = (*st.begin()).S, dist = (*st.begin()).F;
        st.erase(st.begin());
        for(auto [u, w]: adj[v]){
            if(d[u] > dist + w){
                st.erase(mp(d[u], u));
                d[u] = dist + w;
                st.insert(mp(d[u], u));
            }
        }
    }
}

int32_t main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
    cin >> n >> m;
    for(int i = 0; i < m; i++){
        int b, p; cin >> b >> p;
        if(p < n) vec[p].pb(b);
        if(i == 0) s = b;
        if(i == 1) t = b;
    }
    for(int p = 1; p < n; p++){
        for(auto u: vec[p]) mark[u] = 1;
        for(int i = 0; i < n; i++){
            if(!mark[i]) continue;
            for(int j = i - p; j >= 0; j -= p){
                adj[i].pb(mp(j, (i - j) / p));
                if(mark[j]) break;
            }
            for(int j = i + p; j < n; j += p){
                adj[i].pb(mp(j, (j - i) / p));
                if(mark[j]) break;
            }
        }
        for(auto u: vec[p]) mark[u] = 0;
    }
    dij();
    if(d[t] >= inf) cout << -1 << '\n';
    else cout << d[t] << '\n';
 
    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1880 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 2 ms 2036 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 2140 KB Output is correct
12 Correct 1 ms 1884 KB Output is correct
13 Correct 1 ms 2140 KB Output is correct
14 Correct 1 ms 2136 KB Output is correct
15 Correct 1 ms 2140 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 1 ms 2140 KB Output is correct
12 Correct 1 ms 2140 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 1 ms 2140 KB Output is correct
15 Correct 1 ms 2140 KB Output is correct
16 Correct 1 ms 2140 KB Output is correct
17 Correct 2 ms 2136 KB Output is correct
18 Correct 3 ms 2140 KB Output is correct
19 Correct 3 ms 2140 KB Output is correct
20 Correct 6 ms 2140 KB Output is correct
21 Correct 2 ms 1884 KB Output is correct
22 Correct 3 ms 2140 KB Output is correct
23 Correct 3 ms 2340 KB Output is correct
24 Correct 4 ms 2140 KB Output is correct
25 Correct 8 ms 2140 KB Output is correct
26 Correct 4 ms 2140 KB Output is correct
27 Correct 3 ms 2140 KB Output is correct
28 Correct 4 ms 2168 KB Output is correct
29 Correct 7 ms 2652 KB Output is correct
30 Correct 4 ms 2368 KB Output is correct
31 Correct 5 ms 2396 KB Output is correct
32 Correct 4 ms 2396 KB Output is correct
33 Correct 9 ms 3164 KB Output is correct
34 Correct 9 ms 3164 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 1884 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1880 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1880 KB Output is correct
11 Correct 1 ms 2140 KB Output is correct
12 Correct 1 ms 2140 KB Output is correct
13 Correct 1 ms 2140 KB Output is correct
14 Correct 1 ms 2136 KB Output is correct
15 Correct 1 ms 2136 KB Output is correct
16 Correct 1 ms 2140 KB Output is correct
17 Correct 2 ms 2140 KB Output is correct
18 Correct 3 ms 2140 KB Output is correct
19 Correct 3 ms 2392 KB Output is correct
20 Correct 3 ms 2140 KB Output is correct
21 Correct 1 ms 1880 KB Output is correct
22 Correct 3 ms 2136 KB Output is correct
23 Correct 3 ms 2140 KB Output is correct
24 Correct 4 ms 2140 KB Output is correct
25 Correct 5 ms 2140 KB Output is correct
26 Correct 4 ms 2140 KB Output is correct
27 Correct 3 ms 2140 KB Output is correct
28 Correct 4 ms 2140 KB Output is correct
29 Correct 6 ms 2848 KB Output is correct
30 Correct 4 ms 2396 KB Output is correct
31 Correct 5 ms 2592 KB Output is correct
32 Correct 5 ms 2396 KB Output is correct
33 Correct 8 ms 3416 KB Output is correct
34 Correct 9 ms 3316 KB Output is correct
35 Correct 8 ms 3164 KB Output is correct
36 Correct 3 ms 2140 KB Output is correct
37 Correct 10 ms 4188 KB Output is correct
38 Correct 11 ms 4188 KB Output is correct
39 Correct 11 ms 4188 KB Output is correct
40 Correct 10 ms 4188 KB Output is correct
41 Correct 11 ms 4188 KB Output is correct
42 Correct 6 ms 2516 KB Output is correct
43 Correct 6 ms 2268 KB Output is correct
44 Correct 6 ms 2272 KB Output is correct
45 Correct 15 ms 6748 KB Output is correct
46 Correct 15 ms 6748 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Correct 1 ms 1884 KB Output is correct
3 Correct 1 ms 1884 KB Output is correct
4 Correct 1 ms 1880 KB Output is correct
5 Correct 1 ms 1884 KB Output is correct
6 Correct 1 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1884 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 2140 KB Output is correct
11 Correct 1 ms 2140 KB Output is correct
12 Correct 1 ms 2140 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 1 ms 1960 KB Output is correct
15 Correct 1 ms 2140 KB Output is correct
16 Correct 1 ms 2124 KB Output is correct
17 Correct 3 ms 2140 KB Output is correct
18 Correct 3 ms 2140 KB Output is correct
19 Correct 3 ms 2180 KB Output is correct
20 Correct 4 ms 2140 KB Output is correct
21 Correct 1 ms 1884 KB Output is correct
22 Correct 3 ms 2140 KB Output is correct
23 Correct 3 ms 2140 KB Output is correct
24 Correct 4 ms 2140 KB Output is correct
25 Correct 4 ms 2140 KB Output is correct
26 Correct 4 ms 2392 KB Output is correct
27 Correct 3 ms 2140 KB Output is correct
28 Correct 8 ms 2140 KB Output is correct
29 Correct 6 ms 2648 KB Output is correct
30 Correct 4 ms 2392 KB Output is correct
31 Correct 5 ms 2396 KB Output is correct
32 Correct 4 ms 2396 KB Output is correct
33 Correct 8 ms 3164 KB Output is correct
34 Correct 8 ms 3164 KB Output is correct
35 Correct 8 ms 3164 KB Output is correct
36 Correct 3 ms 2140 KB Output is correct
37 Correct 9 ms 4184 KB Output is correct
38 Correct 11 ms 4184 KB Output is correct
39 Correct 11 ms 4532 KB Output is correct
40 Correct 11 ms 4188 KB Output is correct
41 Correct 10 ms 4188 KB Output is correct
42 Correct 6 ms 2520 KB Output is correct
43 Correct 6 ms 2276 KB Output is correct
44 Correct 6 ms 2272 KB Output is correct
45 Correct 15 ms 6796 KB Output is correct
46 Correct 15 ms 6744 KB Output is correct
47 Correct 206 ms 11600 KB Output is correct
48 Correct 251 ms 4816 KB Output is correct
49 Correct 315 ms 3916 KB Output is correct
50 Correct 838 ms 3900 KB Output is correct
51 Execution timed out 1075 ms 6048 KB Time limit exceeded
52 Halted 0 ms 0 KB -