Borderou de evaluare (job #694983)

Compilare: main.c: In function 'main': main.c:29:21: warning: array subscript has type 'char' [-Wchar-subscripts] 29 | if ( isDigit[ ch ] ) { // am citit o cifră din a; ecuația e a{operator}x=b | ^ main.c:32:37: warning: array subscript has type 'char' [-Wchar-subscripts] 32 | while ( isDigit[ ch = fgetc( fin ) ] ) | ~~~^~~~~~~~~~~~~~ main.c:34:31: warning: array subscript has type 'char' [-Wchar-subscripts] 34 | op = symbol2op[ ch ][ opType ]; | ^ main.c:35:17: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 35 | fscanf( fin, "x=%d", &b ); | ^~~~~~~~~~~~~~~~~~~~~~~~~ main.c:40:17: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 40 | fscanf( fin, "%d=%d", &a, &b ); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~