Borderou de evaluare (job #134328)

Compilare: user.cpp: In function ‘void down()’: user.cpp:19:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:22:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int elimin(int)’: user.cpp:51:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int main()’: user.cpp:79:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:80:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:84:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]