Compilare: user.cpp: In function ‘void bfs()’: user.cpp:47:62: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if(!viz[y.lin][y.col] && (k^rezerv[y.lin][y.col] == mask)) ^ user.cpp:52:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(mancare[y.lin][y.col]) ^ user.cpp: In function ‘int main()’: user.cpp:83:16: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] mask = 1<<s-1; ^ user.cpp:96:31: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if(k^rezerv[i][j] == mask && !(i == l && j == c)) ^ user.cpp:77:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &p); ^ user.cpp:78:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d", &n, &m, &t); ^ user.cpp:79:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d%d%d", &l, &c, &k, &s); ^ user.cpp:87:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x, &y); ^ user.cpp:94:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &rezerv[i][j]); ^