Borderou de evaluare (job #67875)

Compilare: user.cpp: In function ‘int main()’: user.cpp:35:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:40:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:15:13: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:16:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:18:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:22:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:25:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]