文件名称:Cpp1
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编写一个程序，在屏幕上出现一个圆心沿正弦曲线轨迹移动的实心圆，而且，每隔四分之一周期，圆的填充色和圆的周边颜色都发生变化，同时，圆的半径在四分之一周期之内由正弦曲线幅值的0.2倍至0.6倍线性增长。-Write a program that appears on the screen along a sinusoidal trajectory of the center moving solid round, and every quarter cycle, the circle around the circle fill color and color change, while the radius of the circle in the quarter within one cycle from the sine curve of amplitude 0.2 times to 0.6 times the linear growth.
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Cpp1.cpp