7、If语句和++、--

A-11

B01

C10

D00

A7

B6

C5

D4main(){intm=5;if(m++>5)printf("%d\n",m);elseprintf("%d\n",m--);}

A3

B4

C5

D6

Aif(x>0)y=1;elseif(x<0)y=-1;elsey=0;

Bif(x)if(x>0)y=1;elseif(x<0)y=-1;elsey=0;

Cy=-1if(x)if(x>0)y=1;elseif(x==0)y=0;elsey=-1;

Dy=0;if(x>=0)if(x>0)y=1;elsey=-1;

Aif(x>0)y=1;elseif(x==0)y=0;elsey=-1;

By=0;if(x>0)y=1;elseif(x<0)y=-1;

Cy=0;if(x>=0);if(x>0)y=1;elsey=-1;

Dif(x>=0)if(x>0)y=1;elsey=0;elsey=-1;

A11

B10

C9

D8

A0

B1

C2

D3

A1,2,3

B1,3,2

C1,3,3

D3,2,1

A331

B41

C2

D1

A123

B234

C223

D233