HDOJ The Snail 1302

这个死蜗牛。。。。。英语渣渣。。

#include<stdio.h>#include<stdlib.h>int main(){double a,b,c,d;while(scanf("%lf%lf%lf%lf",&a,&b,&c,&d),a){double m=0,x;int t,i;x=(b*(d*0.01));for(i=0;;i++){m+=b-c;if(m<0){t=0;break;}else if(m>=a){t=1;break;}b-=x;}if(t)printf("success on day %d\n",i);elseprintf("failure on day %d\n",i+1);}return 0;}