A.int x=0;do{x++;}while(x=1); B. k=10 ; while( ) k--; C. y=0, x=1;while(x>++y){x=k++; k=x;} D.while(1) {x++;}
A.未知数 B.0 C.1 D.2
A.5 9 B.1 4 7 C.3 5 7 D.3 6 9
A.3 B.4 C.5 D.6
A.9 B.8 C.7 D.6