oj.uz

Submission #852392

# Submission time Handle Problem Language Result Execution time Memory
852392 2023-09-21T18:10:52 Z Benmath Paths (BOI18_paths) C++14
23 / 100
 3000 ms 967716 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[100005][6][6][6][6];
int boja[100005];
int n;
int m;
int k;
vector<int>adjl[100005];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    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 t1 = k; t1 >= 0; t1--){
                    for (int node = 1; node <= n; node++){
                       if (i == 0){
                         if (j == 0 and t == 0 and t1 == 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 and x != t1){
                                    dp[node][i][j][t][t1] += dp[adjl[node][susjed]][boja[node]][0][0][0];
                                }
                            }
                        }
                    }else{
                        if (j == 0){
                            if (t == 0 and t1 == 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 and x!=t1){
                                         dp[node][i][j][t][t1] += dp[adjl[node][susjed]][i][boja[node]][0][0];
                                    }
                                  }
                            }
                        }else{
                            if (t == 0){
                                if(t1==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 and x!=t1){
                                         dp[node][i][j][t][t1] += dp[adjl[node][susjed]][i][j][boja[node]][0];
                                    }
                               }
                                }
                            }else{
                              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 and x!=t1){
                                         dp[node][i][j][t][t1] += dp[adjl[node][susjed]][i][j][t][boja[node]];
                                    }
                               }
                            }
                        }
                    }
                    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 (i == t1 and i > 0){
                        check ++;
                    }
                    if(j==t1 and j>0){
                        check++;
                    }
                    if(t==t1 and t>0){
                        check++;
                    }
                    if(boja[node] != i and boja[node] != j and boja[node] != t and check == 0 and boja[node] != t1){
                        dp[node][i][j][t][t1] += 1;
                    }
                    if(i == 0 and j == 0 and t == 0 and t1==0){
                        ans = ans + dp[node][i][j][t][t1];
                        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:40:57: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |                             for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~
paths.cpp:50:62: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |                                  for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
      |                                                       ~~~~~~~^~~~~~~~~~~~~~~~~~~
paths.cpp:60:61: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |                                 for (int susjed = 0; susjed < adjl[node].size(); susjed ++){
      |                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~
paths.cpp:68:59: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |                               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 4696 KB Output is correct
2 Correct 2 ms 4696 KB Output is correct
3 Correct 1 ms 4756 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 2 ms 4748 KB Output is correct
8 Correct 2 ms 4696 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 651 ms 58416 KB Output is correct
2 Correct 560 ms 15876 KB Output is correct
3 Runtime error 33 ms 9820 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4696 KB Output is correct
2 Correct 2 ms 4696 KB Output is correct
3 Correct 1 ms 4756 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 2 ms 4748 KB Output is correct
8 Correct 2 ms 4696 KB Output is correct
9 Correct 1 ms 4700 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 651 ms 58416 KB Output is correct
12 Correct 560 ms 15876 KB Output is correct
13 Runtime error 33 ms 9820 KB Execution killed with signal 11
14 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4696 KB Output is correct
2 Correct 1121 ms 9704 KB Output is correct
3 Correct 191 ms 9480 KB Output is correct
4 Correct 1363 ms 967716 KB Output is correct
5 Correct 949 ms 892684 KB Output is correct
6 Execution timed out 3101 ms 677784 KB Time limit exceeded
7 Halted 0 ms 0 KB -