1290. 采药

http://ybt.ssoier.cn:8088/statusx.php?runidx=15594277

ybt/1290/1290.cpp

@@ -0,0 +1,28 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 1005;
+
+int m, n, w[N], v[N], f[N];
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> m >> n;
+    for (int i = 1; i <= n; i++) {
+        cin >> w[i] >> v[i];
+    }
+
+    for (int i = 1; i <= n; i++) {
+        for (int j = m; j; j--) {
+            f[j] = std::max(f[j], j >= w[i] ? f[j - w[i]] + v[i] : f[j]);
+        }
+    }
+
+    cout << f[m] << endl;
+
+    return 0;
+}