Leetcode-Solutions-1/Min_coins_dp.cpp at master · rs1820/Leetcode-Solutions-1 · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main()
{
   ll t;
   cin>>t;
   while(t--){
       ll n,m;
       cin>>n>>m;

       ll coin[n];

       for(ll i=0;i<n;i++)
       cin>>coin[i];

       ll dp[m+1];

       dp[0] = 0;


    for (ll i=1; i<=m; i++)
        dp[i] = INT_MAX;


    for (ll i=1; i<=m; i++)
    {

     for (ll j=0; j<m; j++) {
          if (coin[j] <= i)
          {
              ll res = dp[i-coin[j]];
              if (res != INT_MAX && res + 1 < dp[i])
                  dp[i] = res + 1;
          }
     }

    }

    cout<< dp[m]<<"\n";

   }

    return 0;
}