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Luogu/P_1060_NOIP_2006_普及组_开心的金明.cpp

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+#include <bits/stdc++.h>
+#define lo long long
+#define IMX LONG_LONG_MAX
+#define IMN LONG_LONG_MIN
+
+using namespace std;
+const int N = 1e7 + 10;
+/*
+    toothless. #17
+    @fredcss_dev
+    <2025/1/21>
+*/
+
+int m, n, d[N], w, v;
+
+signed main()
+{
+	cin >> m >> n;
+    for(int i = 1; i <= n; i++) {
+        cin >> v >> w;
+        for(int j = m; j >= v; j--){
+            d[j] = max(d[j], d[j - v] + w * v);
+        }
+    }
+    printf("%d",d[m]);
+    return 0;
+}