Compilare: main.cpp: In function 'int main()': main.cpp:38:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 38 | if(Ok(i + 1, j) && c[i + 1][j] == c[i][j]) | ^ main.cpp:46:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 46 | if(Ok(i - 1, j) && c[i - 1][j] == c[i][j]) | ^ main.cpp:54:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 54 | if(Ok(i, j - 1) && c[i][j - 1] == c[i][j]) | ^ main.cpp:62:19: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 62 | if(Ok(i, j + 1) && c[i][j + 1] == c[i][j]) | ^ main.cpp:37:21: warning: unused variable 'k1' [-Wunused-variable] 37 | int k1 = i, k2 = j; | ^~ main.cpp:37:29: warning: unused variable 'k2' [-Wunused-variable] 37 | int k1 = i, k2 = j; | ^~