답안 #1019183

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1019183 2024-07-10T14:54:10 Z amine_aroua Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
821 ms 41340 KB
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
using namespace std;
int sz;
vector<vector<int>> p;
vector<vector<int>> dist;
vector<vector<bool>> vis;
priority_queue<tuple<int ,int , int>, vector<tuple<int ,int , int>> , greater<tuple<int,int ,int>>> q;
vector<bool> reach;
int n ;
void process(int P , int tp , int last)
{
    if(P == 0)
        return;
    if(P > sz)
    {
        for(int k = 1 ; tp + k * P < n || tp - k * P >= 0 ; k++)
        {
            if(k*P + tp < n && reach[k * P + tp] && dist[k * P + tp][0] > dist[tp][last] + k)
            {
                dist[k * P + tp][0] = dist[tp][last] + k;
                q.push({dist[k * P + tp][0] , k * P + tp , 0});
            }
            if(tp - k * P >= 0 && reach[tp - k * P] &&dist[tp - k * P][0] > dist[tp][last] + k)
            {
                dist[tp - k * P][0] = dist[tp][last] + k;
                q.push({dist[tp - k * P][0] , tp - k * P , 0});
            }
        }
    }
    else
    {
        if(P + tp < n)
        {
            if(dist[P + tp][P] > dist[tp][last] + 1)
            {
                dist[P + tp][P] = dist[tp][last] + 1;
                q.push({dist[P + tp][P] , P + tp , P});
            }
        }
        if(tp - P >= 0)
        {
            if(dist[tp - P][P] > dist[tp][last] + 1)
            {
                dist[tp - P][P] = dist[tp][last] + 1;
                q.push({dist[tp - P][P] , tp - P , P});
            }
        }
    }
}
signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int  m;
    cin>>n>>m;
    sz = 300;
    reach.assign(n , 0);
    p = vector<vector<int>> (n);
    dist = vector<vector<int>> (n , vector<int>(sz +1 , INT32_MAX));
    vis = vector<vector<bool>> (n , vector<bool>(sz + 1 , 0));
    int trg = 0;
    for(int i = 0 ; i < m; i++)
    {
        int a , b;
        cin>>a>>b;
        reach[a] = 1;
        if(i == 0)
        {
            dist[a][0] = 0;
            q.push({0 , a , 0});
        }
        if(i == 1)
        {
            trg = a;
        }
        p[a].push_back(b);
    }
    while(!q.empty())
    {
        auto [d , tp , last] = q.top();
        q.pop();
        if(vis[tp][last])
            continue;
        vis[tp][last] = 1;
        for(auto P : p[tp])
        {
            process(P , tp , last);
        }
        process(last , tp , last);
    }
    int mn = INT32_MAX;
    for(int i = 0 ; i <= sz ; i++)
    {
        mn = min(mn , dist[trg][i]);
    }
    cout<<(mn == INT32_MAX ? -1 : mn);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 504 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 3 ms 588 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 3 ms 1372 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 2 ms 2908 KB Output is correct
20 Correct 2 ms 3164 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 2 ms 2396 KB Output is correct
24 Correct 3 ms 2908 KB Output is correct
25 Correct 2 ms 2908 KB Output is correct
26 Correct 2 ms 2908 KB Output is correct
27 Correct 2 ms 2908 KB Output is correct
28 Correct 3 ms 3160 KB Output is correct
29 Correct 6 ms 2904 KB Output is correct
30 Correct 2 ms 2908 KB Output is correct
31 Correct 4 ms 2904 KB Output is correct
32 Correct 3 ms 2908 KB Output is correct
33 Correct 12 ms 3212 KB Output is correct
34 Correct 12 ms 3164 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 856 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 0 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 0 ms 604 KB Output is correct
17 Correct 3 ms 1372 KB Output is correct
18 Correct 1 ms 2652 KB Output is correct
19 Correct 1 ms 2908 KB Output is correct
20 Correct 2 ms 3164 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 2 ms 2396 KB Output is correct
24 Correct 3 ms 3024 KB Output is correct
25 Correct 2 ms 2908 KB Output is correct
26 Correct 3 ms 2908 KB Output is correct
27 Correct 2 ms 2908 KB Output is correct
28 Correct 2 ms 3164 KB Output is correct
29 Correct 7 ms 3156 KB Output is correct
30 Correct 2 ms 2908 KB Output is correct
31 Correct 4 ms 3136 KB Output is correct
32 Correct 3 ms 2908 KB Output is correct
33 Correct 12 ms 3208 KB Output is correct
34 Correct 12 ms 3216 KB Output is correct
35 Correct 23 ms 2652 KB Output is correct
36 Correct 3 ms 1884 KB Output is correct
37 Correct 35 ms 3452 KB Output is correct
38 Correct 33 ms 3612 KB Output is correct
39 Correct 34 ms 3612 KB Output is correct
40 Correct 33 ms 3608 KB Output is correct
41 Correct 33 ms 3612 KB Output is correct
42 Correct 5 ms 3164 KB Output is correct
43 Correct 4 ms 3164 KB Output is correct
44 Correct 4 ms 3164 KB Output is correct
45 Correct 87 ms 4184 KB Output is correct
46 Correct 103 ms 4184 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 0 ms 604 KB Output is correct
17 Correct 3 ms 1372 KB Output is correct
18 Correct 1 ms 2628 KB Output is correct
19 Correct 2 ms 2908 KB Output is correct
20 Correct 2 ms 3164 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 1 ms 2652 KB Output is correct
23 Correct 2 ms 2396 KB Output is correct
24 Correct 3 ms 2908 KB Output is correct
25 Correct 2 ms 2908 KB Output is correct
26 Correct 2 ms 2908 KB Output is correct
27 Correct 2 ms 2908 KB Output is correct
28 Correct 2 ms 2908 KB Output is correct
29 Correct 6 ms 2908 KB Output is correct
30 Correct 2 ms 2908 KB Output is correct
31 Correct 4 ms 2908 KB Output is correct
32 Correct 3 ms 2940 KB Output is correct
33 Correct 12 ms 3160 KB Output is correct
34 Correct 12 ms 3160 KB Output is correct
35 Correct 22 ms 2740 KB Output is correct
36 Correct 3 ms 1880 KB Output is correct
37 Correct 35 ms 3420 KB Output is correct
38 Correct 33 ms 3496 KB Output is correct
39 Correct 36 ms 3612 KB Output is correct
40 Correct 35 ms 3608 KB Output is correct
41 Correct 39 ms 3612 KB Output is correct
42 Correct 6 ms 3164 KB Output is correct
43 Correct 4 ms 3164 KB Output is correct
44 Correct 4 ms 3164 KB Output is correct
45 Correct 88 ms 4172 KB Output is correct
46 Correct 86 ms 4184 KB Output is correct
47 Correct 151 ms 17492 KB Output is correct
48 Correct 18 ms 31576 KB Output is correct
49 Correct 20 ms 34396 KB Output is correct
50 Correct 20 ms 37724 KB Output is correct
51 Correct 63 ms 40976 KB Output is correct
52 Correct 79 ms 40984 KB Output is correct
53 Correct 27 ms 40612 KB Output is correct
54 Correct 19 ms 40028 KB Output is correct
55 Correct 19 ms 40100 KB Output is correct
56 Correct 26 ms 40944 KB Output is correct
57 Correct 70 ms 40232 KB Output is correct
58 Correct 30 ms 40284 KB Output is correct
59 Correct 25 ms 40280 KB Output is correct
60 Correct 30 ms 40232 KB Output is correct
61 Correct 26 ms 40284 KB Output is correct
62 Correct 50 ms 41040 KB Output is correct
63 Correct 154 ms 40280 KB Output is correct
64 Correct 254 ms 40284 KB Output is correct
65 Correct 575 ms 40724 KB Output is correct
66 Correct 821 ms 41172 KB Output is correct
67 Correct 814 ms 41340 KB Output is correct