Compilare: user.cpp: In function ‘int main()’: user.cpp:11:5: warning: this ‘while’ clause does not guard... [-Wmisleading-indentation] while(f.get(s,1050000)); ^~~~~ user.cpp:12:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘while’ {for(int i=0;s[i];i++) ^ user.cpp:13:20: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(s[i]>=65&&s[i]<=90||s[i]>=97&&s[i]<=122) ~~~~~~~~^~~~~~~~~~