hdoj1864最大报销额

#include<stdio.h>
#include<math.h>
#include<string.h>
#include<stdlib.h>
#include<stack>
#include<map>
#include<time.h>
double money[3000011],sum,sm[50],va,suma,sumb,sumc;
char a;
int main()
{
int n,i,j,k,am,i1,kind;
double m;
while(scanf("%lf %d",&m,&n)!=EOF)
{
i1=0;
if(n!=0)
{
for(i=0;i<n;i++)
{
sum=suma=sumb=sumc=0;
scanf("%d ",&kind);
for(k=0;k<kind;k++)
{
if(k!=kind-1)
scanf("%c:%lf ",&a,&va);
else
scanf("%c:%lf",&a,&va);
if(a=='A')suma+=va;
else if(a=='B')sumb+=va;
else if(a=='C')sumc+=va;
else goto s;
}
sum=suma+sumb+sumc;
if(suma>600||sumb>600||sumc>600||sum>1000)goto s;
sm[i1]=sum;
i1++;
s:;
}
for(i=0;i<=(int)(m*100);i++)
money[i]=0;
for(i=0;i<i1;i++)
for(j=(int)(m*100);j-(int)(sm[i]*100)>=0;j--)
{
money[j]=money[j]>money[j-(int)(sm[i]*100)]+sm[i]?money[j]:money[j-(int)(sm[i]*100)]+sm[i];
}
printf("%.2lf\n",money[(int)(m*100)]);
}
}
return 0;
}