有以下程序:#includemain(){int x,y; printf("Enter an integer(x):&quo有以下程序:#includemain(){int x,y; printf("Enter an integer(x):");scanf("%d",&x);if(x++<0) y=-1;else if(x==0) y=0;else y=1; printf("%d",y);}现从键盘上输入-1,则程序的输出是()
有以下程序:#includemain(){int x,y; printf("Enter an integer(x):");scanf("%d",&x);if(x++<0) y=-1;else if(x==0) y=0;else y=1; printf("%d",y);}现从键盘上输入-1,则程序的输出是()A.0 B.-1 C.1 D.不确定的值