#include<stdio.h>
#include<stdlib.h>
#define pi 3.1415926

int main(void)
{
	int j,i,N,k=1;
	float strx[1000],stry[1000];
    scanf("%d",&N);
    for(i=0;i<N;i++)
    {
    	scanf("%f%f",&strx[i],&stry[i]);
    }
    for(j=1;j<=N;j++)
    {
    	if(100*j>(pi*(strx[j-1]*strx[j-1]+stry[j-1]*stry[j-1])))/*此处极易丢括号*/
    	{
    		printf("Property %d: This property will begin eroding in year %d.\n",k++,j);
    	}
    
    	
    }
    
   
    printf("END OF OUTPUT.\n");
    system("PAUSE");
    return 0;
    
} 

• Re:求大神帮看为啥第二个for循环不起效果 (79) 201501060326 2016-03-27 21:43:49