Compilare: main.cpp:15:6: warning: built-in function 'exp' declared as non-function [-Wbuiltin-declaration-mismatch] 15 | char exp[100005]; | ^~~ main.cpp: In function 'int priority(char)': main.cpp:37:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 37 | if (a == '*' || a == '/') | ^~ main.cpp:39:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 39 | return 0; | ^~~~~~ main.cpp: In function 'int calculate(int, int, char)': main.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type] 31 | } | ^