mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
34 lines
898 B
C++
34 lines
898 B
C++
#include <iostream>
|
|
using namespace std;
|
|
int main()
|
|
{
|
|
int T,i,j,k;
|
|
int N,V,v[31],dp[35][505];
|
|
scanf("%d",&T);
|
|
while(T--)
|
|
{
|
|
scanf("%d%d",&N,&V);
|
|
for(i=1;i<=N;i++)
|
|
scanf("%d",&v[i]);
|
|
memset(dp,0,sizeof(dp));
|
|
for(j=0;j<=V;j++)
|
|
dp[0][j]=1;
|
|
for(i=1;i<=N;i++)
|
|
{
|
|
for(k=i;k>=1;k--)
|
|
{ for(j=V;j>=v[i];j--)
|
|
if(dp[k-1][j-v[i]])
|
|
dp[k][j]+=dp[k-1][j-v[i]];
|
|
}
|
|
}
|
|
int sel=0,kind=0;
|
|
for(i=N;i>=1;i--)
|
|
for(j=V;j>=0;j--)
|
|
if(dp[i][j]) {sel=dp[i][j];kind=i;goto lab;}
|
|
lab: if(sel)
|
|
printf("You have %d selection(s) to buy with %d kind(s) of souvenirs.\n",sel,kind);
|
|
else printf("Sorry, you can't buy anything.\n");
|
|
}
|
|
return 0;
|
|
}
|