drink,ice on.txt

以前ACM在哈工程HRBEU做的一些简单题目

#include "string.h"
#include "stdio.h"
#include "math.h"
#define cw 4.19
#define ci 2.09
#define temp 335
 
int main()
{ double mw,mi,tw,ti;
   
   scanf("%lf%lf%lf%lf",&mw,&mi,&tw,&ti);
  while(mw||mi||tw||ti)
  {
     if((mw*cw*tw)>((-mi*ci*ti)+temp*mi))
          printf("0.0 g of ice and %.1lf g of water at %.1lf C\n",(mw+mi),
                            ((mw*cw*tw+mi*ci*ti-temp*mi)/(mw*cw+mi*cw)));
   else if((-mi*ci*ti)<=(mw*cw*tw+mw*temp))
              { 
               if(mw*cw*tw>(-mi*ci*ti))  
                 printf("%.1lf g of ice and %.1lf g of water at 0.0 C\n",(mi-(mw*cw*tw+mi*ci*ti)/335),(mw+(mw*cw*tw+mi*ci*ti)/335));
                 else  printf("%.1lf g of ice and %.1lf g of water at 0.0 C\n",(mi+(-mw*cw*tw-mi*ci*ti)/335),(mw-(-mw*cw*tw-mi*ci*ti)/335));
                 }  
        else printf("%.1lf g of ice and 0.0 g of water at %.1lf C\n",(mw+mi),
                            ((mw*cw*tw+mw*temp+mi*ci*ti)/(mi*ci+mw*ci)));
    scanf("%lf%lf%lf%lf",&mw,&mi,&tw,&ti);
 
  }
  return 0;
 }