Compilare: main.cpp: In function 'int main()': main.cpp:14:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(c>='a'&&c<='z'||c>='A'&&c<='Z') ~~~~~~^~~~~~~~ main.cpp:20:23: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(cc>='a'&&cc<='z'||cc>='A'&&cc<='Z') ~~~~~~~^~~~~~~~~ main.cpp:13:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%c",&c); ^