oj.uz

Submission #852389

# Submission time Handle Problem Language Result Execution time Memory
852389 2023-09-21T18:03:21 Z Benmath Paths (BOI18_paths) C++14
23 / 100
 173 ms 18004 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];
int boja[100005];
int n;
int m;
int k;
vector<int>adjl[100005];
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 1 ms 4696 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4696 KB Output is correct
6 Correct 2 ms 4696 KB Output is correct
7 Correct 1 ms 4696 KB Output is correct
8 Correct 1 ms 4696 KB Output is correct
9 Correct 1 ms 4900 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 173 ms 18004 KB Output is correct
2 Correct 140 ms 10408 KB Output is correct
3 Runtime error 48 ms 9920 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 1 ms 4696 KB Output is correct
2 Correct 1 ms 4696 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 2 ms 4696 KB Output is correct
6 Correct 2 ms 4696 KB Output is correct
7 Correct 1 ms 4696 KB Output is correct
8 Correct 1 ms 4696 KB Output is correct
9 Correct 1 ms 4900 KB Output is correct
10 Correct 1 ms 4700 KB Output is correct
11 Correct 173 ms 18004 KB Output is correct
12 Correct 140 ms 10408 KB Output is correct
13 Runtime error 48 ms 9920 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 Incorrect 71 ms 6548 KB Output isn't correct
3 Halted 0 ms 0 KB -