Compilare: main.cpp: In function 'int main()': main.cpp:13:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(v);i++) ~^~~~~~~~~~ main.cpp:15:20: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if((v[i]>=65&&v[i]<=90||v[i]>=97&&v[i]<=122)) ~~~~~~~~^~~~~~~~~~ main.cpp:25:21: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(!(v[i]>=65&&v[i]<=90||v[i]>=97&&v[i]<=122)) ~~~~~~~~^~~~~~~~~~