Borderou de evaluare (job #372565)

Compilare: user.cpp: In function ‘bool putere4(int)’: user.cpp:10:7: warning: unused variable ‘nr2’ [-Wunused-variable] user.cpp:10:13: warning: unused variable ‘rad’ [-Wunused-variable] user.cpp:10:19: warning: unused variable ‘rad2’ [-Wunused-variable] user.cpp:14:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int main()’: user.cpp:38:9: warning: statement has no effect [-Wunused-value] user.cpp:18:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:19:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:25:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]