Compilare: main.cpp: In function 'int main()': main.cpp:12:21: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if(s[i]>='a'&&s[i]<='z'||s[i]>='A'&&s[i]<='Z') ~~~~~~~~~^~~~~~~~~~~ main.cpp:11:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=0;i<strlen(s);i++) ^~~ main.cpp:14:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' p=strtok(s," "); ^