Compilare: user.c: In function ‘citire’: user.c:19:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&N);fscanf(fin,"%d",&M); ^ user.c:19:27: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&N);fscanf(fin,"%d",&M); ^ user.c:22:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&a[i]); ^ user.c:24:10: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&b[i]); ^ user.c:41:6: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.c: In function ‘main’: user.c:45:11: warning: ignoring return value of ‘system’, declared with attribute warn_unused_result [-Wunused-result] system("pause"); ^