Borderou de evaluare (job #191097)

Compilare: user.cpp: In function ‘int main()’: user.cpp:9:25: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:9:27: warning: unused variable ‘a1’ [-Wunused-variable] user.cpp:9:30: warning: unused variable ‘a2’ [-Wunused-variable] user.cpp:9:33: warning: unused variable ‘c’ [-Wunused-variable] user.cpp:7:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] 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:10:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]