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急!为什么总是wrong anwser? 自己用例子测验是对的#include<stdio.h> #include<math.h> #include<string.h> int main() { int n,i,j; double s=0,r; double a[1000][2]; const double pi=4.0*atan(1.0); scanf("%d",&n); for (i=0;i<n;i++) for (j=0;j<2;j++) scanf("%lf",&a[i][j]); for (i=0;i<n;i++) { s=0; for (j=1;;j++) { s+=50; r=sqrt((s*2.0)/pi); if (a[i][0]>=-r && a[i][0]<=r && a[i][1]<=r) {printf("Property %d: This property will begin eroding in year %d.\n",i+1,j);break;} } } printf("END OF OUTPUT.、n"); return 0; } Followed by:
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