'commit'

2025-08-30 18:35:01 +08:00
commit 1f397eca87
6258 changed files with 1487241 additions and 0 deletions
--- a/C++专题课程/动态规划/动态规划-6-部分和问题.cpp
+++ b/C++专题课程/动态规划/动态规划-6-部分和问题.cpp
@@ -0,0 +1,44 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+/*
+֪ʶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+
+<EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݲο<EFBFBD><EFBFBD><EFBFBD>
+https://www.cnblogs.com/aiguona/p/9218754.html
+*/
+
+int n, k, a[22], b[22];
+
+bool dfs(int x, int sum)  //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ұ<EFBFBD><D2B1><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ɵý<C9B5>
+{
+    if (sum > k)
+        return false;
+    if (x == n)
+        return sum == k;  //<2F><><EFBFBD><EFBFBD>ǰn<C7B0><6E><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><CBA3><EFBFBD><EFBFBD><EFBFBD>sum=k<>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
+    if (dfs(x + 1, sum)) {
+        b[x] = 0;    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>a[x]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ0<CEAA><30>
+        return true;
+    }
+    if (dfs(x + 1, sum + a[x])) {
+        b[x] = 1;    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>a[x]<5D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ1<CEAA><31>
+        return true;
+    }
+    return false;
+}
+
+int main() {
+    while (scanf("%d%d", &n, &k) != EOF) {
+        for (int i = 0; i < n; i++)
+            scanf("%d", &a[i]);
+        if (dfs(0, 0)) {
+            printf("YES\n");
+            for (int i = 0; i < n; i++)
+                if (b[i])
+                    printf("%d ", a[i]);
+            printf("\n");
+        } else
+            printf("NO\n");
+    }
+    return 0;
+}