Compilare: user.cpp: In function ‘int main()’: user.cpp:57:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&nrop); ^ user.cpp:60:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&op); ^ user.cpp:63:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&tp); ^ user.cpp:68:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&tp); ^ user.cpp: In function ‘void pop(int)’: user.cpp:22:11: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i,poz; ^