From 310f312a04cf292a4b29d45b1bdb13077d9a1cf7 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Sun, 22 Jan 2023 21:01:09 +0100
Subject: adds

---
 Year_2/Algorithms/resto.cc | 54 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Year_2/Algorithms/resto.cc

(limited to 'Year_2/Algorithms')

diff --git a/Year_2/Algorithms/resto.cc b/Year_2/Algorithms/resto.cc
new file mode 100644
index 0000000..53fd6f6
--- /dev/null
+++ b/Year_2/Algorithms/resto.cc
@@ -0,0 +1,54 @@
+#include <iostream>
+#include <vector>
+#include <fstream>
+#include <cstring>
+#define INF 9999999
+
+using namespace std;
+
+int
+change(vector<int>& coins, int sum)
+{
+	int n = coins.size();
+
+	int* table = new int[sum+1];
+	memset(table, sum, 0);
+
+	table[0] = 0;
+	for (int i = 1; i < sum+1; ++i) {
+		table[i] = INF;
+		for (int j = 0; j < n; ++j) {
+			if (coins[j] <= i)
+				table[i] = min(table[i], 1+table[i-coins[j]]);
+		}
+	}
+
+	int result = table[sum];
+	delete[] table;
+
+	return result;
+}
+
+int
+main(int argc, char** argv)
+{
+	int ts = (argc > 1) ? stoi(argv[1]) : 100;
+	int s, n;
+	ifstream fin("input.txt");
+	ofstream fout("output.txt");
+
+	for (int i = 0; i < ts; ++i) {
+		fin >> s >> n;
+		vector<int> v(n);
+		for (int j = 0; j < n; ++j) {
+			fin >> v[j];
+		}
+
+		fout << change(v, s) << endl;
+	}
+
+
+	fin.close();
+	fout.close();
+	return 0;
+}
-- 
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