'commit'

TangDou/LanQiaoBei/LanQiao12ShengSai/BC4_YiWei_DP.cpp

@@ -0,0 +1,39 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+const int N = 1010;
+
+int n, m;
+int v[N], w[N];
+int f[N];
+/*
+55 3
+
+21 9
+20 2
+30 21
+
+答案：
+30
+*/
+int main() {
+    cin >> m >> n;
+
+    // ①
+    for (int i = 1; i <= n; i++) cin >> w[i] >> v[i];
+    for (int i = 1; i <= n; i++)
+        for (int j = m; j >= w[i]; j--)
+            f[j] = max(f[j], f[j - w[i]] + v[i]);
+
+    // // ②
+    // for (int i = 1; i <= n; i++) {
+    //     int w, v;
+    //     cin >> w >> v;
+    //     for (int j = m; j >= w; j--)
+    //         f[j] = max(f[j], f[j - w] + v);
+    // }
+
+    printf("%d\n", f[m]);
+    return 0;
+}