(HDU) 1302-the Snail (snail)

Title Link: http://vjudge.net/problem/HDU-1302

Analysis: The limitations of this problem are many, one day is divided into day and night. It is not possible to use the rise-fall as a daily change (what if the day goes out?). ）。

At the beginning of the initial position to set the double type of 0, I wrote the int type, depressed for half a day.

Be aware that the up distance cannot be negative, even if you are tired.

1#include <cstdio>2#include <cstring>3#include <cmath>4#include <iostream>5#include <algorithm>6#include <string>7#include <cstdlib>8 9 using namespacestd;Ten  One intMain () A { -     DoubleHeight,up,down,factor,delta; -      while(~SCANF ("%LF",&height)) the     { -         if(height==0) Break; -scanf"%lf%lf%lf",&up,&down,&factor); -         intday=0, flag=0; +         DoublePlace=0, first=Up ; -Delta= (first*factor*0.01); +          for(day=1;; day++) A         { at             if(up>=0) place+=Up ; -             if(place>height) -             { -flag=1; -                  Break; -             } inplace-=Down ; -             if(place<0) to             { +flag=0; -                  Break; the             } *             if(up>=0) up-=Delta; $         }Panax Notoginseng         if(flag) printf ("success on day%d\n", day); -         Elseprintf"failure on day%d\n", day); the     } +     return 0; A}

(HDU) 1302-the Snail (snail)