Borderou de evaluare (job #112954)

Compilare: user.cpp: In function ‘int main()’: user.cpp:15:44: warning: operation on ‘act’ may be undefined [-Wsequence-point] user.cpp:15:44: warning: operation on ‘act’ may be undefined [-Wsequence-point] user.cpp:17:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:20:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]