Borderou de evaluare (job #165710)

Compilare: user.cpp: In function ‘int main()’: user.cpp:65:29: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp:70:29: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp:10:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:62:5: warning: ‘limit’ may be used uninitialized in this function [-Wuninitialized] /tmp/ccWgD24G.o: In function `main': user.cpp:(.text.startup+0x72): warning: the `gets' function is dangerous and should not be used.