Borderou de evaluare (job #209997)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:13: warning: unused variable ‘k’ [-Wunused-variable] user.cpp:9:17: warning: unused variable ‘z’ [-Wunused-variable] user.cpp:9:21: warning: unused variable ‘nr’ [-Wunused-variable] user.cpp:9:26: warning: unused variable ‘maxz’ [-Wunused-variable] user.cpp:7:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]