Borderou de evaluare (job #289619)

Compilare: user.cpp: In function 'int main()': user.cpp:9:19: warning: unused variable 'c1' [-Wunused-variable] user.cpp:9:22: warning: unused variable 'c2' [-Wunused-variable] user.cpp:9:25: warning: unused variable 'c3' [-Wunused-variable] user.cpp:7:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:13:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]