Compilare: main.cpp: In function 'int main()': main.cpp:18:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<strlen(p);j++) ~^~~~~~~~~~ main.cpp:19:72: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses] if(!strchr("qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM",p[j])>0) ^ main.cpp:12:5: warning: unused variable 'i' [-Wunused-variable] int i,lm,S=0,ct=0,j,cti=0; ^ main.cpp:12:7: warning: unused variable 'lm' [-Wunused-variable] int i,lm,S=0,ct=0,j,cti=0; ^~