Borderou de evaluare (job #120079)

Compilare: user.cpp: In function ‘int main()’: user.cpp:11:15: warning: unused variable ‘sc’ [-Wunused-variable] user.cpp:11:23: warning: unused variable ‘sl’ [-Wunused-variable] user.cpp:12:9: warning: unused variable ‘su’ [-Wunused-variable] user.cpp:27:11: warning: unused variable ‘dif’ [-Wunused-variable] user.cpp:9:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:10:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, 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] user.cpp:18:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]