x-1代表意思?int func(x){int countx = 0;while(x){countx ++;x = x&

int func(int x,int y ) { return(x+y) } main() {int a=1,b=2,c void func(inta,int&b) { a++; b++; } 若执行代码段：int x=0,y=1; func 一道函数测试题!void func(int *x){ x=(int *)malloc(sizeof(int));*x=1 main(){ int x=5; while(x int x=3; while(x int x=78; int y=0; while(x>0){ y++; }else x=x&(x-1); System. int x=10,y=20; main() {func();printf("%d,%d\n",x,y);} func() void Func(int *x,int *y) {*x^=*y; *y^=*x; *x^=*y; } 这个函数的功能是 func(int a,int b) {int c; c=a+b; return(c); } main() {int x= int x=0,y=0; while(x #include main() { int x=0; while(x++ {int x=15; while (x>10&&x