[图]A、Compared to x(t), y(t) is advanced by 4B、Com...
A、Compared to x(t), y(t) is advanced by 4
B、Compared to x(t), y(t) is delayed by 4
C、Compared to x(t), y(t) is advanced by 2
D、Compared to x(t), y(t) is delayed by 2
A、Compared to x(t), y(t) is advanced by 4
B、Compared to x(t), y(t) is delayed by 4
C、Compared to x(t), y(t) is advanced by 2
D、Compared to x(t), y(t) is delayed by 2
void f(int x,int y)
{ int t;
if(x
}
main
{ int a=4,b=3,c=5;
f(a,b);f(a,c);f(b,c);
printf("%d,%d,%d\n",a,b,c);
}
执行后输出结果是()。
A.3,4,5
B.5,3,4
C.5,4,3
D.4,3,5
画出函数在区域的等值线图。
A、DensityPlot[x Sin[x]+y Cos[y],{x,-3,3},{y,-3,3}]
B、ContourPlot[x Sin[x]+y Cos[y],{x,-3,3},{y,-3,3}]
C、DensityPlot[x Sin[x]+y Cos[y],{y,-3,3},{x,-3,3}]
D、ContourPlot[x Sin[x]+y Cos[y],{y,-3,3},{x,-3,3}]
void f(int y,int *x)
{ y=y+*x; *x=*x+y; }
main()
{int x=2,y=4;
f(y,&x);
ptintf("%d %d\n",x,y);
}
执行后输出结果是【 】。
A、Compared to x(t), y(t) is advanced
B、Compared to x(t), y(t) is delayed
C、Compared to x(t), y(t) is stretched
D、Compared to x(t), y(t) is compress
A.8,2,3,4,5,6,7,1,
B.5,6,7,8,1,2,3,4,
C.1,2,3,4,5,6,7,8,
D.8,7,6,5,4,3,2,1
A、y%4==0
B、y%4==0 && y%100!=0
C、(y%4==0&&y%100!=0)||(y%400==0)
D、(y%4==0)||(y%400==0&&y%100!=0)
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