#include <iostream>
#include <vector>
#include <algorithm>
#include <cstdlib>
#include <conio.h>
#include <climits>
#include <cstring>
using namespace std;
int main ()
{
int amount;
int b[10000];
memset(b, INT_MAX, sizeof b);
b[0]=0;
int a[20];
int coin;
int i;
cout << "amount : " ;
cin >> amount;
cout << "No of coin : " ;
cin >> coin;
for(i=0; i<coin; i++){
cin >> a[i];
}
for(int i = 0; i <amount; i++)
{
for(int j = a[i] ; j <= amount; j++)
{
int pre = b[j];
int cur = 1+b[j-a[i]];
b[j] = min(pre,cur);
}
}
cout << b[amount];
getch();
return 0;
}
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