题目链接：http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=41&page=show_problem&problem=1150
题意：求三块的面积
1 #include <cstdio> 2 #include <cmath> 3 4 const double PI = acos( -1.0 ); 5 6 int main() 7 { 8 double a; 9 while( scanf( "%lf", &a ) != EOF ) 10 { 11 double z = ( 1 - sqrt( 3.0 ) / 4.0 - PI / 6.0 ) * a * a; 12 double y = ( 1 - PI / 4.0 ) * a * a - 2 * z; 13 double x = a * a - 4.0 * ( y + z ); 14 printf( "%.3f %.3f %.3f\n", x, 4.0 * y, 4.0 * z ); 15 } 16 return 0; 17 }
转载于:https://www.cnblogs.com/GBRgbr/archive/2012/08/22/2651396.html
