Borderou de evaluare (job #21852)

Compilare: user.cpp: In function 'int main()': user.cpp:11:17: warning: unused variable 'x' [-Wunused-variable] user.cpp:9:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:12: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:32:5: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /tmp/ccebznQd.o: In function `main': user.cpp:(.text.startup+0x5b): warning: the `gets' function is dangerous and should not be used.