Compilare: user.cpp: In function ‘int main()’: user.cpp:22:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(t);i++){p=0; ^ user.cpp:10:20: warning: unused variable ‘g’ [-Wunused-variable] {char x[1254];char g; ^ user.cpp:11:18: warning: variable ‘n’ set but not used [-Wunused-but-set-variable] char t[1254];int n=0,i,s=0,l=1,r=0;;char d[52]={'A', 'a','b','B','c','C','d','D','e','E','f','F','g','G','h','H','i','I','j','J','k','K','l','L','m','M','n','N','o','O','p','P','r','R','s','S','t','T','q','Q','u','U','v','V','w','W','X','x','y','Y','z','Z'}; ^