Compilare: user.cpp:24: warning: integer constant is too large for ‘long’ type user.cpp: In function ‘int main()’: user.cpp:33: warning: conversion lacks type at end of format user.cpp:33: warning: too many arguments for format user.cpp:19: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:20: 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:31: warning: ‘p’ is used uninitialized in this function