Compilare: user.cpp: In function ‘int main()’: user.cpp:39: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘int’ user.cpp:41: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘int’ user.cpp:44: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘int’ user.cpp:47: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘int’ user.cpp:59: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘int’ user.cpp:61: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘int’ user.cpp:64: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘int’ user.cpp:67: warning: format ‘%lld’ expects type ‘long long int’, but argument 2 has type ‘int’ user.cpp:12: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:13: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result