Compilare: main.cpp: In function 'int main()': main.cpp:13:12: warning: unknown escape sequence: '\|' p=strtok(s,"!@#$%^&*(){}[]-_=+;:<>,.?/\| "); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:16:15: warning: unknown escape sequence: '\|' p=strtok(NULL,"!@#$%^&*(){}[]-_=+;:<>,.?/\| "); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:20:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(s1);i++) ~^~~~~~~~~~~ main.cpp:10:11: warning: unused variable 'n' [-Wunused-variable] long long n,i,ct=0,cti=0; ^