Borderou de evaluare (job #22682)

Compilare: user.cpp: In function ‘int main()’: user.cpp:13:31: warning: unused variable ‘flag’ [-Wunused-variable] user.cpp:13:39: warning: unused variable ‘i1’ [-Wunused-variable] user.cpp:13:43: warning: unused variable ‘j1’ [-Wunused-variable] 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:12:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:15:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:27:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]