9.1趣味图形

//绘制余弦曲线
#include<math.h>
int main ( int argc, char **argv )
{

double y;
int x,m;

for (y=1; y>=-1; y-=0.1) {
m=acos(y)*10;
for (x=1;x<m;x++)
printf(" ");
printf("*");
for(;x<62-m;x++)
printf(" ");
printf("*\n");
}

return 0;
}
#endif

#if 0
#include<math.h>
int main ( int argc, char **argv )
{

double y;
int x,m;

for (y=10; y>=-10; y--) {
m=2*sqrt(100-y*y);
for (x=1;x<30-m;x++)
printf(" ");
printf("*");
for(;x<30+m;x++)
printf(" ");
printf("*\n");
}

return 0;
}