ways to give a check

check.cpp

#include <bits/stdc++.h>

using namespace std;

vector<int> findBlackKing(vector < vector<char> > board)
{
    int board_len = board.size();
    vector<int> king_pos;
    for(int x = 0; x < board_len; x++)
    {
        for(int y = 0; y < board_len; y++)
        {
            if(board[x][y] == 'k')
            {
                king_pos.push_back(x);
                king_pos.push_back(y);
            }
        }
    }
    
    return king_pos;
}

int waysToGiveACheck(vector < vector<char> > board) {
    
    //getting the size of the board (dimensions)
    int n = board.size();
    //position of a valid pawn to be promoted
    vector<int> valid_pawn_pos;
    //position of the king
    vector<int> black_king_pos;
    //number of ways to give a check
    int ways_to_give_a_check = 0;
    
    //find position of valid pawn
    for(int i = 0; i < n; i++)
    {
        if(board[1][i] == 'P')
        {
            if(board[0][i] == '#')
            {
                valid_pawn_pos.push_back(1);
                valid_pawn_pos.push_back(i);
            }
        }
    }
    
    //find position of black king
    black_king_pos = findBlackKing(board);
    
    /*find all ways to give a check situation*/
    if(board[valid_pawn_pos[0]])
    
    cout << "(" << valid_pawn_pos[0] << " " << valid_pawn_pos[1] << ")" << endl;   
    cout << "(" << black_king_pos[0] << " " << black_king_pos[1] << ")" << endl;
    
    cout << endl;
    return 0;
}

int main() {
    int t;
    cin >> t;
    for(int a0 = 0; a0 < t; a0++){
        vector< vector<char> > board(8,vector<char>(8));
        for(int board_i = 0;board_i < 8;board_i++){
           for(int board_j = 0;board_j < 8;board_j++){
              cin >> board[board_i][board_j];
           }
        }
        int result = waysToGiveACheck(board);
        cout << result << endl;
    }
    return 0;
}