Borderou de evaluare (job #283861)

Compilare: user.cpp: In function 'int main()': user.cpp:7:15: warning: unused variable 'sum' [-Wunused-variable] user.cpp:7:20: warning: unused variable 'mod' [-Wunused-variable] user.cpp:14:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:17:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]