oj.uz

Submission #852390

# Submission time Handle Problem Language Result Execution time Memory
852390 2023-09-21T18:04:08 Z Benmath Paths (BOI18_paths) C++14
70 / 100
 1450 ms 529496 KB 
/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <bits/stdc++.h>

using namespace std;
long long int dp[300005][6][6][6];
int boja[300005];
int n;
int m;
int k;
vector<int>adjl[300005];
int main()
{
    cin >> n >> m >> k;
    for (int i = 1; i <= n; i++){
        cin >> boja[i];
    }
    for (int i = 0; i < m; i++){
        int x, y;
        cin >> x >> y;
        adjl[x].push_back(y);
        adjl[y].push_back(x);
    }
    long long int ans = 0;
    for (int i = k; i >= 0; i--){
        for (int j = k; j >= 0; j--){
            for (int t = k; t >= 0; t--){
                for (int node = 1; node <= n; node++){
                    if (i == 0){
                        if (j == 0 and t == 0){
                            for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
                                int x = boja[adjl[node][susjed]];
                                if(x != boja[node] and x != i and x != j and x != t){
                                    dp[node][i][j][t] += dp[adjl[node][susjed]][boja[node]][0][0];
                                }
                            }
                        }
                    }else{
                        if (j == 0){
                            if (t == 0){
                                 for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
                                    int x = boja[adjl[node][susjed]];
                                    if(x != boja[node] and x != i and x != j and x != t){
                                         dp[node][i][j][t] += dp[adjl[node][susjed]][i][boja[node]][0];
                                    }
                                  }
                            }
                        }else{
                            if (t == 0){
                                for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
                                    int x = boja[adjl[node][susjed]];
                                    if(x != boja[node] and x != i and x != j and x != t){
                                         dp[node][i][j][t] += dp[adjl[node][susjed]][i][j][boja[node]];
                                    }
                               }
                            }else{
                              
                            }
                        }
                    }
                    int check = 0;
                    if (i == j and i > 0){
                        check ++;
                    } 
                    if (j == t and j > 0){
                        check ++;
                    }
                    if (i == t and i > 0){
                        check ++;
                    }
                    if(boja[node] != i and boja[node] != j and boja[node] != t and check == 0){
                        dp[node][i][j][t] += 1;
                    }
                    if(i == 0 and j == 0 and t == 0){
                        ans = ans + dp[node][i][j][t];
                        ans --;
                    }
                    //cout << dp[node][i][j][t]<<" "<<i<<" "<<j<<" "<<t<<" "<<node<<" "<<boja[node]<<endl;
                }
            }
        }
    }
    cout << ans << endl;
}

Compilation message

paths.cpp: In function 'int main()':
paths.cpp:37:57: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |                             for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~
paths.cpp:47:62: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |                                  for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
      |                                                       ~~~~~~~^~~~~~~~~~~~~~~~~~~
paths.cpp:56:61: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |                                 for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
      |                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8792 KB Output is correct
2 Correct 3 ms 8792 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 2 ms 8796 KB Output is correct
5 Correct 2 ms 8792 KB Output is correct
6 Correct 2 ms 8792 KB Output is correct
7 Correct 2 ms 8792 KB Output is correct
8 Correct 2 ms 8796 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 2 ms 8796 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 20560 KB Output is correct
2 Correct 142 ms 13396 KB Output is correct
3 Correct 905 ms 527876 KB Output is correct
4 Correct 207 ms 67152 KB Output is correct
5 Correct 154 ms 67664 KB Output is correct
6 Correct 666 ms 357972 KB Output is correct
7 Correct 923 ms 528728 KB Output is correct
8 Correct 897 ms 529232 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8792 KB Output is correct
2 Correct 3 ms 8792 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 2 ms 8796 KB Output is correct
5 Correct 2 ms 8792 KB Output is correct
6 Correct 2 ms 8792 KB Output is correct
7 Correct 2 ms 8792 KB Output is correct
8 Correct 2 ms 8796 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 2 ms 8796 KB Output is correct
11 Correct 175 ms 20560 KB Output is correct
12 Correct 142 ms 13396 KB Output is correct
13 Correct 905 ms 527876 KB Output is correct
14 Correct 207 ms 67152 KB Output is correct
15 Correct 154 ms 67664 KB Output is correct
16 Correct 666 ms 357972 KB Output is correct
17 Correct 923 ms 528728 KB Output is correct
18 Correct 897 ms 529232 KB Output is correct
19 Correct 207 ms 23376 KB Output is correct
20 Correct 145 ms 15840 KB Output is correct
21 Correct 898 ms 528744 KB Output is correct
22 Correct 210 ms 67132 KB Output is correct
23 Correct 159 ms 67676 KB Output is correct
24 Correct 650 ms 358268 KB Output is correct
25 Correct 906 ms 528668 KB Output is correct
26 Correct 911 ms 529496 KB Output is correct
27 Correct 172 ms 15696 KB Output is correct
28 Correct 218 ms 29264 KB Output is correct
29 Correct 1450 ms 528732 KB Output is correct
30 Correct 806 ms 272196 KB Output is correct
31 Correct 765 ms 272144 KB Output is correct
32 Correct 1391 ms 528740 KB Output is correct
33 Correct 2 ms 8792 KB Output is correct
34 Correct 2 ms 8796 KB Output is correct
35 Correct 2 ms 8796 KB Output is correct
36 Correct 2 ms 8792 KB Output is correct
37 Correct 2 ms 8796 KB Output is correct
38 Correct 2 ms 8792 KB Output is correct
39 Correct 2 ms 8792 KB Output is correct
40 Correct 2 ms 8792 KB Output is correct
41 Correct 2 ms 8792 KB Output is correct
42 Correct 2 ms 8792 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8792 KB Output is correct
2 Incorrect 71 ms 10420 KB Output isn't correct
3 Halted 0 ms 0 KB -