1267. 【例9.11】01背包问题

http://ybt.ssoier.cn:8088/statusx.php?runidx=15592920

ybt/1267/1267.cpp

@@ -0,0 +1,28 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 205;
+
+int m, n, w[N], c[N], f[N][N];
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> m >> n;
+    for (int i = 1; i <= n; i++) {
+        cin >> w[i] >> c[i];
+    }
+
+    for (int i = 1; i <= n; i++) {
+        for (int j = m; j; j--) {
+            f[i][j] = std::max(f[i - 1][j], j - w[i] >= 0 ? f[i - 1][j - w[i]] + c[i] : -1);
+        }
+    }
+
+    cout << f[n][m] << endl;
+
+    return 0;
+}