Compilare: user.cpp: In function ‘int main()’: user.cpp:124:27: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(out,"%d", nrap); ^ user.cpp:88:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", v); ^ user.cpp:89:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%s", cuv); ^ user.cpp:116:26: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] x -= (v[i-1]-'a'); ^