程序段 int x=3,a=1;switch(x) {case 4: a++;case 3: a++;case 2: a++;case 1: a++;} printf ("%d",a);的输出结果是()
举一反三
- 以下程序段的输出结果是( ) int x=1,a=0,b=0; switch(x) {case 0:b++; case 1:a++; case 2:a++;b++; } printf("a=%d,b=%d",a,b);
- main() { int x=1,y=0,a=0,b=0; switch(x) { case 1: switch(y) { case 0:a++; case 1:b++;break; } case 2:a++;b++;break; case 3:a++;b++; } printf("a=%d,b=%d ", a,b); }
- 下列程序段的输出结果是 #include int main( ) { int x=1,a=0,b=0; switch(x) { case 0: b++; case 1: a++; case 2: a++;b++; } printf("a=%d,b=%d\n",a,b); }
- main() {int x=1,a=0,b=0; switch (x) { case 0: b++; case 1: a++; case 2: a++;b++;} printf("a=%d,b=%d",a,b); } 该程序的输出结果是( )
- void main() { int x=1,a=0,b=0; switch (x) { case 0: b++; case 1: a++; case 2: a++;b++; } printf("a=%d,b=%d",a,b); } 该程序的输出结果是( ).