Compilare: main.c: In function 'main': main.c:26:42: warning: suggest parentheses around '&&' within '||' [-Wparentheses] } else if(j==0 || c=='*' || c==')' && v[j-1]==1 || c==']' && v[j-1]==2) ~~~~~~~^~~~~~~~~~~~ main.c:26:65: warning: suggest parentheses around '&&' within '||' [-Wparentheses] } else if(j==0 || c=='*' || c==')' && v[j-1]==1 || c==']' && v[j-1]==2) ~~~~~~~^~~~~~~~~~~~ main.c:12:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^~~~~~~~~~~~~~~~~~~