Borderou de evaluare (job #426105)

Compilare: user.cpp: In function ‘int main()’: user.cpp:30:31: warning: operation on ‘i’ may be undefined [-Wsequence-point] user.cpp:32:31: warning: operation on ‘j’ may be undefined [-Wsequence-point] user.cpp:36:27: warning: operation on ‘i’ may be undefined [-Wsequence-point] user.cpp:38:27: warning: operation on ‘j’ may be undefined [-Wsequence-point] user.cpp:8:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:10: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:11:10: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] /tmp/cc26IMx3.o: In function `main': user.cpp:(.text.startup+0x56): warning: the `gets' function is dangerous and should not be used.