Borderou de evaluare (job #7015)

Compilare: user.cpp: In function ‘int main()’: user.cpp:11:17: warning: unused variable ‘nr’ [-Wunused-variable] user.cpp:11:27: warning: unused variable ‘cn’ [-Wunused-variable] user.cpp:11:30: warning: unused variable ‘cm’ [-Wunused-variable] user.cpp:11:49: warning: unused variable ‘cn1’ [-Wunused-variable] user.cpp:11:53: warning: unused variable ‘cm1’ [-Wunused-variable] user.cpp:9:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]