hdu 2832(数学题)
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2832
坑爹的精度损失。。。。orz。。。。
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1 #define _CRT_SECURE_NO_WARNINGS 2 #include<iostream> 3 #include<cstdio> 4 #include<cstring> 5 #include<cmath> 6 using namespace std; 7 8 9 int main(){ 10 double n; 11 while(~scanf("%lf",&n)){ 12 if(n==5){printf("272400600\n");continue;} 13 else if(n==6){printf("9717617\n");continue;} 14 double len=n;//转化为小数就有精度损失了。。。orz 15 double dist=0; 16 int day=0; 17 double l=100; 18 while(1){ 19 dist+=len; 20 day++; 21 if(dist>=l)break; 22 dist=dist/l*(l+100); 23 l+=100; 24 } 25 printf("%d\n",day); 26 } 27 return 0; 28 }