oj.uz

Submission #430577

# Submission time Handle Problem Language Result Execution time Memory
430577 2021-06-16T16:33:09 Z CodePlatina Brackets (CPSPC17_brackets) C++17
74 / 100
 700 ms 25276 KB 
#include <iostream>
#include <vector>
#include <queue>
#define pii pair<int, int>
#define piii pair<int, pii>
#define ff first
#define ss second
#define ee ss.ff
#define rr ss.ss
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")

using namespace std;

const int INF = (int)1e9 + 7;
vector<int> gph[202][8];
vector<int> rgph[202][8];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

//    freopen("in.txt", "r", stdin);

    int n, m, s, e; cin >> n >> m >> s >> e; --s; --e;
    for(int i = 0; i < m; ++i)
    {
        int x, y; char c; cin >> x >> y >> c; --x; --y;
        int z;
        if(c == '<') z = 0;
        if(c == '>') z = 1;
        if(c == '{') z = 2;
        if(c == '}') z = 3;
        if(c == '[') z = 4;
        if(c == ']') z = 5;
        if(c == '(') z = 6;
        if(c == ')') z = 7;
        gph[x][z].push_back(y);
        rgph[y][z].push_back(x);
    }

    int C[n][n];
    for(int i = 0; i < n; ++i) for(int j = 0; j < n; ++j) C[i][j] = INF;
    priority_queue<piii, vector<piii>, greater<piii>> Q;
    for(int i = 0; i < n; ++i) Q.push({0, {i, i}});

    while(Q.size())
    {
        auto x = Q.top(); Q.pop();
        if(C[x.ee][x.rr] != INF) continue;
        C[x.ee][x.rr] = x.ff;
        for(int i = 0; i < 8; i += 2)
            for(auto j : rgph[x.ee][i])
                for(auto k : gph[x.rr][i + 1])
                    Q.push({x.ff + 2, {j, k}});
        for(int i = 0; i < n; ++i)
        {
            if(C[i][x.rr] > C[x.ee][x.rr] + C[i][x.ee])
                Q.push({C[x.ee][x.rr] + C[i][x.ee], {i, x.rr}});
            if(C[x.ee][i] > C[x.ee][x.rr] + C[x.rr][i])
                Q.push({C[x.ee][x.rr] + C[x.rr][i], {x.ee, i}});
        }
    }

    cout << (C[s][e] == INF ? -1 : C[s][e]);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:31:13: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized]
   31 |         int z;
      |             ^

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 10 ms 912 KB Output is correct
27 Correct 5 ms 460 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 15 ms 1224 KB Output is correct
30 Correct 65 ms 2116 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 6 ms 908 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 76 ms 3664 KB Output is correct
36 Correct 18 ms 912 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 10 ms 912 KB Output is correct
27 Correct 5 ms 460 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 15 ms 1224 KB Output is correct
30 Correct 65 ms 2116 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 6 ms 908 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 76 ms 3664 KB Output is correct
36 Correct 18 ms 912 KB Output is correct
37 Correct 3 ms 332 KB Output is correct
38 Correct 153 ms 6672 KB Output is correct
39 Correct 2 ms 460 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 190 ms 6700 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 2 ms 332 KB Output is correct
45 Correct 155 ms 6740 KB Output is correct
46 Correct 161 ms 6712 KB Output is correct
47 Correct 3 ms 588 KB Output is correct
48 Correct 176 ms 3568 KB Output is correct
49 Correct 1 ms 332 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 319 ms 6960 KB Output is correct
2 Correct 365 ms 6812 KB Output is correct
3 Correct 314 ms 6808 KB Output is correct
4 Correct 313 ms 6872 KB Output is correct
5 Correct 312 ms 6824 KB Output is correct
6 Correct 302 ms 6828 KB Output is correct
7 Correct 311 ms 6796 KB Output is correct
8 Correct 324 ms 6960 KB Output is correct
9 Correct 305 ms 6876 KB Output is correct
10 Correct 320 ms 6960 KB Output is correct
11 Correct 316 ms 6856 KB Output is correct
12 Correct 309 ms 6832 KB Output is correct
13 Correct 284 ms 6796 KB Output is correct
14 Correct 4 ms 588 KB Output is correct
15 Correct 5 ms 656 KB Output is correct
16 Correct 1 ms 460 KB Output is correct

Subtask #6
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 10 ms 912 KB Output is correct
27 Correct 5 ms 460 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 15 ms 1224 KB Output is correct
30 Correct 65 ms 2116 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 6 ms 908 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 76 ms 3664 KB Output is correct
36 Correct 18 ms 912 KB Output is correct
37 Correct 3 ms 332 KB Output is correct
38 Correct 153 ms 6672 KB Output is correct
39 Correct 2 ms 460 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 190 ms 6700 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 2 ms 332 KB Output is correct
45 Correct 155 ms 6740 KB Output is correct
46 Correct 161 ms 6712 KB Output is correct
47 Correct 3 ms 588 KB Output is correct
48 Correct 176 ms 3568 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 319 ms 6960 KB Output is correct
51 Correct 365 ms 6812 KB Output is correct
52 Correct 314 ms 6808 KB Output is correct
53 Correct 313 ms 6872 KB Output is correct
54 Correct 312 ms 6824 KB Output is correct
55 Correct 302 ms 6828 KB Output is correct
56 Correct 311 ms 6796 KB Output is correct
57 Correct 324 ms 6960 KB Output is correct
58 Correct 305 ms 6876 KB Output is correct
59 Correct 320 ms 6960 KB Output is correct
60 Correct 316 ms 6856 KB Output is correct
61 Correct 309 ms 6832 KB Output is correct
62 Correct 284 ms 6796 KB Output is correct
63 Correct 4 ms 588 KB Output is correct
64 Correct 5 ms 656 KB Output is correct
65 Correct 1 ms 460 KB Output is correct
66 Correct 1 ms 588 KB Output is correct
67 Execution timed out 1088 ms 25276 KB Time limit exceeded
68 Halted 0 ms 0 KB -