本文详细解析了HDU 1065题目，通过C++代码示例展示了如何计算特定属性开始侵蚀的年份。代码中使用了基本的输入输出操作，以及数学计算来得出结果。
http://acm.hdu.edu.cn/showproblem.php?pid=1065
错了n次了，让所有的水题汗颜啊！
View Code
#include
"
iostream
"
using namespace std;
#define pi 3.1415926 // 3.1415927(wrong)
int main()
{
int n;
double a,b,sum;
cin >> n;
int i = 0 ;
while (n -- )
{
cin >> a >> b;
sum = pi * (a * a + b * b) / 2 ;
int x = ( int )(sum / 50 ) + 1 ; // (int)sum/50+1(wrong)
cout << " Property " <<++ i << " : " << " This property will begin eroding in year " ;
cout << x << " . " << endl;
}
cout << " END OF OUTPUT. " << endl;
return 0 ;
}
using namespace std;
#define pi 3.1415926 // 3.1415927(wrong)
int main()
{
int n;
double a,b,sum;
cin >> n;
int i = 0 ;
while (n -- )
{
cin >> a >> b;
sum = pi * (a * a + b * b) / 2 ;
int x = ( int )(sum / 50 ) + 1 ; // (int)sum/50+1(wrong)
cout << " Property " <<++ i << " : " << " This property will begin eroding in year " ;
cout << x << " . " << endl;
}
cout << " END OF OUTPUT. " << endl;
return 0 ;
}
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