Borderou de evaluare (job #55859)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:5:20: error: too few arguments to function ‘FILE* freopen(const char*, const char*, FILE*)’ /usr/include/stdio.h:279:14: note: declared here user.cpp:6:20: error: too few arguments to function ‘FILE* freopen(const char*, const char*, FILE*)’ /usr/include/stdio.h:279:14: note: declared here user.cpp:58:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.cpp:8:17: warning: unused variable ‘d’ [-Wunused-variable] user.cpp:9:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]