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Commit a8263bc

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Create Makoda and Childish Pranks.cpp
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#include <iostream>
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#include <vector>
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using namespace std;
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const int NO_OF_NEIGHBOURS = 4;
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const char BLACK = '1', WHITE = '0';
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int X[NO_OF_NEIGHBOURS] = {-1, 0, 0, 1}, Y[NO_OF_NEIGHBOURS] = {0, 1, -1, 0};
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struct rectangle
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{
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int x1, y1, x2, y2;
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rectangle(int X1, int Y1, int X2, int Y2)
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{
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x1 = X1 + 1;
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y1 = Y1 + 1;
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x2 = X2 + 1;
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y2 = Y2 + 1;
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}
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};
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void solve()
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{
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int no_of_rows, no_of_columns;
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cin >> no_of_rows >> no_of_columns;
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vector <string> grid(no_of_rows);
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for(int i = 0; i < no_of_rows; i++)
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{
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cin >> grid[i];
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}
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if(grid[0][0] == BLACK)
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{
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cout << "-1\n";
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return;
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}
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vector <rectangle> moves;
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for(int i = no_of_rows - 1; i >= 0; i--)
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{
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for(int j = no_of_columns - 1; j >= 0; j--)
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{
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if(grid[i][j] == BLACK)
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{
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if(j > 0)
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{
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moves.push_back(rectangle(i, j - 1, i, j));
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}
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else if(i > 0)
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{
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moves.push_back(rectangle(i - 1, j, i, j));
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}
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}
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}
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}
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cout << moves.size() << "\n";
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for(rectangle current_rectangle : moves)
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{
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cout << current_rectangle.x1 << " " << current_rectangle.y1 << " " << current_rectangle.x2 << " " << current_rectangle.y2 << "\n";
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}
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}
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int main()
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{
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int no_of_test_cases;
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cin >> no_of_test_cases;
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while(no_of_test_cases--)
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solve();
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return 0;
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}
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