#9. 土地利用

https://sjzezoj.com/submission/58915

S2OJ/9/9.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 20005;
+
+int s, n, a[N], f[N];
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    cin >> s >> n;
+
+    for (int i = 1; i <= n; i++) {
+        cin >> a[i];
+    }
+
+    for (int i = 1; i <= n; i++) {
+        for (int j = s; j >= a[i]; j--) {
+            f[j] = std::max(f[j], f[j - a[i]] + a[i]);
+        }
+    }
+
+    cout << s - f[s] << endl;
+
+    return 0;
+}