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大佬能不能帮我看看错哪儿了,电脑上行,交了就不能#include <stdio.h>
#include <math.h>
#define PI 3.1415
float R(float x,float y)//圆半径
{
float sumx,sumy,sum;
sumx=x*x;
sumy=y*y;
sum=sumx+sumy;
return (sqrt(sum));
}
float S(float c)//半圆面积
{
float sum,sumx;
sumx=c*c;
sum=(PI*sumx)/2.0;
return sum;
}
int main()
{
float N,sum,c,r,s;
float X[100],Y[100],A[100];
int i;
printf("输入N:");
scanf("%f",&N);
for(i=0;i<N;i++)
{
scanf("%f%f",&X[i],&Y[i]);
}
for(i=0;i<N;i++)
{
sum=0;
r=R(X[i],Y[i]);
s=S(r);
sum=s/50;
A[i]=(sum-0.5)+1;
}
for(i=0;i<N;i++)
{
printf("属性%d: 该属性将在第%0.f年开始侵蚀 \n",i+1,A[i]);
if(i==N-1) printf("输出结束");
}
return 0;
}
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