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單項(xiàng)選擇題
下面程序的輸出是 #include <stdio.h> main ( ) { int x=1, y=0, a=0, b=0; switch ( x ) { case 1: switch ( y ) { case 0: a++; break; case 1: b++; break; } case 2: a++; b++; break; } printf ("a=%d,b=%d/n", a, b ); }
下面程序的輸出是 #include <stdio.h> main ( ) { int x=1, y=0, a=0, b=0; switch ( x ) { case 1: switch ( y ) { case 0: a++; break; case 1: b++; break; } case 2: a++; b++; break; } printf ("a=%d,b=%d/n", a, b ); }
A、a=2,b=1
B、a=1,b=1
C、a=1,b=0
D、a=2,b=2
A.h>
