bzoj 1606: [Usaco2008 Dec]Hay For Sale 购买干草
Description
Input
Output
Sample Input
2
6
5
The wagon holds 7 volumetric units; three bales are offered for sale with
volumes of 2, 6, and 5 units, respectively.
Sample Output
HINT
Buying the two smaller bales fills the wagon.
Source
http://www.lydsy.com/JudgeOnline/problem.php?id=1606
01背包
#include<iostream>
#include<cstring>
#include<cstdio>
using namespace std;
int main(){
int m,n; scanf("%d%d",&m,&n);
int f[]={false};
f[]=true;
for (int i=;i<=n;i++){
int a; scanf("%d",&a);
for (int j=m;j>=a;j--)
if (f[j-a]) f[j]=true;
}
for (int i=m;i>=;i--)
if (f[i]) {
printf("%d",i);
break;
}
return ;
}
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