Compilare: user.cpp: In function ‘int main()’: user.cpp:103: warning: format ‘%ld’ expects type ‘long int*’, but argument 2 has type ‘int*’ user.cpp:123: warning: format ‘%ld’ expects type ‘long int’, but argument 2 has type ‘int’ user.cpp:124: warning: format ‘%ld’ expects type ‘long int’, but argument 2 has type ‘int’ user.cpp:100: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:101: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:102: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:103: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘long int cauta(int, int, int)’: user.cpp:78: warning: control reaches end of non-void function