//北大OJ1005,土地腐蚀，每年50平方英里，半圆形 

#include<stdio.h>
int main()
{
    int N,Z,i,j,k; 
    scanf("%d",&N);
    float a[N][2];
   
    for(i=0;i<N;i++)
    {
       scanf("%f %f",&a[i][0],&a[i][1]);           
    }
    
    for(k=0;k<N;k++)
    {
        printf("Property %d: This property will begin eroding in year ",k+1);
         j=0;
         while(j>=0)
         {
              if(100*j/3.14<a[k][0]*a[k][0]+a[k][1]*a[k][1]&&100*(j+1)/3.14>a[k][0]*a[k][0]+a[k][1]*a[k][1]) 
              {
                   Z=j+1;
                   break;                                                                                             
              }
              j=j+1;            
         } 
         printf("%d.\n",Z);              
    }
    printf("END OF OUTPUT.\n");
    
    return 0;
} 

• Re:为什么总是编译错误呢，高手指点一下，谢谢啦 (915) T_mon 2009-03-25 21:17:13