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Minimizing Coins.cpp
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Minimizing Coins.cpp
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#include<bits/stdc++.h>
using namespace std;
using namespace std::chrono;
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define int long long
#define ff first
#define ss second
#define pb push_back
#define ppb pop_back
#define pf push_front
#define ppf pop_front
#define all(v) (v).begin(), (v).end()
#define fl fflush(stdout)
int mod = 1e9 + 7;
void solve() {
int n, m; cin >> n >> m;
vector<int> dp(m + 1, INT_MAX);
dp[0] = 0;
int val[n];
for (int i = 0; i < n; i++) cin >> val[i];
for (int i = 1; i <= m; i++) {
for (int j = 0; j < n; j++) {
if (i - val[j] >= 0) {
dp[i] = min(dp[i], dp[i - val[j]] + 1);
}
}
}
if (dp[m] == INT_MAX) {
cout << "-1";
return;
}
else {
cout << dp[m];
}
}
signed main() {
auto start = high_resolution_clock::now();
IOS;
int t = 1;
#ifndef ONLINE_JUDGE
freopen("input.txt", "r" , stdin);
freopen("output.txt", "w", stdout);
#endif
// cin >> t;
int i = 1;
while (t--) {
// cout << "CASE #" << i << ": ";
solve();
cout << endl;
i++;
}
auto stop = high_resolution_clock::now();
auto duration = duration_cast<microseconds>(stop - start);
cerr << "Time taken:" << duration.count() / 1000000.0 << " seconds" << "\n";
return 0;
}