Compilare: user.cpp: In function ‘int main()’: user.cpp:115: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long long int’ user.cpp:65: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:83: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int rez(long long int, int)’: user.cpp:46: warning: control reaches end of non-void function