Borderou de evaluare (job #347555)

Compilare: user.cpp: In function ‘int main()’: user.cpp:34:30: warning: unused variable ‘e’ [-Wunused-variable] user.cpp:34:33: warning: unused variable ‘wi’ [-Wunused-variable] user.cpp:34:37: warning: unused variable ‘wo’ [-Wunused-variable] user.cpp:32:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:33:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:35:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:37:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]