Compilare: main.cpp: In function 'long long int pdrept()': main.cpp:93:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ind==(v.size()+1)/2) ~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:138:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(long long i=0;i<strlen(s);++i) ~^~~~~~~~~~ main.cpp: In function 'long long int pdrept()': main.cpp:98:1: warning: control reaches end of non-void function [-Wreturn-type] } ^