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Re:大牛来看看为什么我的能AC?感觉不对啊

Posted by hebeboy at 2009-04-28 21:55:22 on Problem 1276
In Reply To:大牛来看看为什么我的能AC?感觉不对啊 Posted by:hanjialong at 2008-08-03 21:02:06
> 每种面值只保留了一种组成方法。。。。所以觉得不对
> 
> #include<iostream>
> using namespace std;
> 
> const int maxn=100010;
> 
> struct curr
> {
> 	bool ok;
> 	int n[10];
> };
> 
> curr c[maxn];
> 
> int main()
> {
> 	int num,cash,n[10],d[10],k;
> 	int i,j;
> 	while(scanf("%d",&cash)!=EOF)
> 	{
> 		for(i=0;i<=cash;i++)
> 			c[i].ok=0;
> 		c[0].ok=1;
> 		scanf("%d",&num);
> 		for(i=0;i<num;i++)
> 		{
> 			scanf("%d%d",&n[i],&d[i]);
> 			c[0].n[i]=0;
> 		}
> 		for(i=0;i<=cash;i++)
> 			if(c[i].ok)
> 			{
> 				for(j=0;j<num;j++)
> 					if(c[i].n[j]<n[j]&&i+d[j]<=cash&&!c[i+d[j]].ok)
> 					{
> 						c[i+d[j]].ok=1;
> 						for(k=0;k<num;k++)
> 							c[i+d[j]].n[k]=c[i].n[k];
> 						c[i+d[j]].n[j]++;
> 					}
> 			}
> 		while(!c[cash].ok) cash--;
> 		printf("%d\n",cash);
> 	}
> 	return 0;
> 
> }

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