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Re:我说啊,你只用4位小数也别用3.1415啊,后面那位可是9啊,这该有多大误差?这里没有spj e精度的题目多了In Reply To:Re:我说啊,你只用4位小数也别用3.1415啊,后面那位可是9啊,这该有多大误差?这里没有spj e精度的题目多了 Posted by:zerotext at 2005-05-14 22:56:27 > 改为3.1415926535898也不对啊? 我快疯了,改为 #include<stdio.h> #include<math.h> main() {int n,j,i; double r,a,b,temp,pi; pi=acos(-1.0); scanf("%d",&n); for(i=1;i<=n;) {while(scanf("%f%f",&a,&b)==2) {if(a>b) temp=a; else temp=b; for(j=1;r<temp;j++) r=sqrt(50*j*2/pi); printf("Property %d: This property will begin eroding in year %d.\n",i,j-1); i++; break; } } printf("END OF OUTPUT."); } 还是WA了 Followed by:
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