Borderou de evaluare (job #221558)

Compilare: user.cpp: In function ‘int main()’: user.cpp:11:9: warning: unused variable ‘n’ [-Wunused-variable] user.cpp:9:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:21: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:39: warning: ‘costin’ may be used uninitialized in this function [-Wuninitialized] /tmp/ccztWUvP.o: In function `main': user.cpp:(.text.startup+0x56): warning: the `gets' function is dangerous and should not be used.