Compilare: user.cpp:13: warning: integer overflow in expression user.cpp: In function ‘int main()’: user.cpp:25: warning: format ‘%I64d’ expects type ‘int*’, but argument 4 has type ‘long long int*’ user.cpp:36: warning: format ‘%I64d’ expects type ‘int’, but argument 2 has type ‘long long int’ user.cpp:17: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:18: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result