[20251031] BOJ / P5 / 이혼 / 권혁준

khj20006/202510/31 BOJ P5 이혼.md

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+```cpp
+#include <bits/stdc++.h>
+using namespace std;
+
+int N, arr[24]{}, ans = 0;
+map<int, int> le;
+
+void init() {
+    for(int i=0;i<N;i++) cin>>arr[i];
+    ans = 0;
+    le = map<int, int>();
+}
+
+void fillLeft(int pos, int tar, int cur, int sum) {
+    le[cur] = max(le[cur], sum);
+    if(pos == tar) return;
+    fillLeft(pos+1, tar, cur, sum);
+    sum += arr[pos];
+    fillLeft(pos+1, tar, cur+arr[pos], sum);
+    fillLeft(pos+1, tar, cur-arr[pos], sum);
+}
+
+void checkRight(int pos, int tar, int cur, int sum) {
+    if(le.find(cur) != le.end()) ans = max(ans, le[cur] + sum);
+    if(pos == tar) return;
+    checkRight(pos+1, tar, cur, sum);
+    sum += arr[pos];
+    checkRight(pos+1, tar, cur+arr[pos], sum);
+	checkRight(pos+1, tar, cur-arr[pos], sum);
+}
+
+int solve() {
+    fillLeft(0,N>>1,0,0);
+    checkRight(N>>1,N,0,0);
+    int sum = 0;
+    for(int i=0;i<N;i++) sum += arr[i];
+    return sum - ans;
+}
+
+int main() {
+    cin.tie(0)->sync_with_stdio(0);
+
+    for(cin>>N;N;cin>>N) {
+        init();
+        cout<<solve()<<'\n';
+    }
+
+}
+```