Compilare: user.cpp: In function ‘bool solve(char*)’: user.cpp:7:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(s);++i) ^ user.cpp:5:11: warning: unused variable ‘lungime’ [-Wunused-variable] { int i,lungime; ^ user.cpp: In function ‘int main()’: user.cpp:37:27: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[60400]’ [-Wformat=] scanf("%s",&prim_s);int cnt=0; ^