Borderou de evaluare (job #361509)

Compilare: user.cpp: In function ‘int main()’: user.cpp:12:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.cpp:23:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.cpp:9:37: warning: unused variable ‘n’ [-Wunused-variable] user.cpp:9:39: warning: unused variable ‘i’ [-Wunused-variable] user.cpp:7:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:62: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]