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Re:我二进制压缩物品的数组开小了为什么报WA而不是RE啊?In Reply To:我二进制压缩物品的数组开小了为什么报WA而不是RE啊? Posted by:wyu_Onway at 2010-08-04 11:52:05 我也是这样 为什么呢?难道不能用二进制压缩了?
#include<stdio.h>
#include<string.h>
int Ma(int a,int b)
{
return a>b?a:b;
}
int main()
{
int i,j,k,cas=1,num,sum,ave;
int ans[210003],bag[93];
while(1)
{
k=0; sum=0;
for(i=1;i<=6;i++)
{
scanf("%d",&num);
sum+=num*i;
for(j=1;j<=num;j*=2)
bag[k++]=j*i;
}
if(sum==0)
break;
printf("Collection #%d:\n",cas++);
if(sum%2)
puts("Can't be divided.");
else{
ave=sum/2;
memset(ans,0,sizeof(ans));
for(i=0;i<k;i++)
{
for(j=ave;j>=bag[i];j--)
ans[j]=Ma(ans[j],ans[j-bag[i]]+bag[i]);
}
//printf("%d\n",ans[ave]);
if(ans[ave]==ave)
puts("Can be divided.");
else
puts("Can't be divided.");
}
puts("");
}
return 0;
}
哪里错了?
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