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- #include <bits/stdc++.h>
- using namespace std;
- #define ll long long
- #define test int t; cin>>t; for(int cs=1;cs<=t;cs++)
- ll dp[1000005];
- int main()
- {
- ios_base::sync_with_stdio(0);
- cin.tie(0);cout.tie(0);
- ll n,m,i,j,k,l=1e9+7;
- cin>>n>>m;
- ll a[n+5];
- for(i=0;i<n;i++)
- {
- cin>>a[i];
- }
- for(i=1;i<=m;i++)
- {
- dp[i]=INT_MAX;
- for(j=0;j<n;j++)
- {
- if(i>=a[j])
- {
- dp[i]=min(dp[i],dp[i-a[j]]+1ll);
- }
- }
- }
- if(dp[m]<INT_MAX) cout<<dp[m]<<endl;
- else cout<<-1<<endl;
- return 0;
- }
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