Compilare: user.cpp: In function ‘int update(int)’: user.cpp:10: warning: no return statement in function returning non-void user.cpp: In function ‘int verif(int)’: user.cpp:17: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:49: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void fct()’: user.cpp:21: warning: ‘ind’ may be used uninitialized in this function