Borderou de evaluare (job #289235)

Compilare: user.cpp: In function 'int main()': user.cpp:14:12: warning: unused variable 'a' [-Wunused-variable] user.cpp:14:16: warning: unused variable 'b' [-Wunused-variable] user.cpp:14:20: warning: unused variable 'p' [-Wunused-variable] user.cpp:14:24: warning: unused variable 'cnt' [-Wunused-variable] user.cpp:7:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]