From a557fa36a22c5ef4a29da596ee1e3aa10be55984 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Mon, 27 Sep 2021 20:00:08 +0800
Subject: import(solutions): ...

---
 works/solutions/leetcode/cpp/15.cpp | 44 +++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 works/solutions/leetcode/cpp/15.cpp

(limited to 'works/solutions/leetcode/cpp/15.cpp')

diff --git a/works/solutions/leetcode/cpp/15.cpp b/works/solutions/leetcode/cpp/15.cpp
new file mode 100644
index 0000000..2b8f6cd
--- /dev/null
+++ b/works/solutions/leetcode/cpp/15.cpp
@@ -0,0 +1,44 @@
+#include <iterator>
+#include <vector>
+
+using std::vector;
+
+#include <algorithm>
+#include <set>
+#include <unordered_map>
+#include <unordered_set>
+
+bool operator<(const std::vector<int> &l, std::vector<int> &r) {
+  return std::lexicographical_compare(l.cbegin(), l.cend(), r.cbegin(),
+                                      r.cend());
+}
+
+class Solution {
+public:
+  int ha[100010]{0};
+
+  vector<vector<int>> threeSum(vector<int> &nums) {
+    std::set<std::vector<int>> result;
+
+    if (nums.size() < 3)
+      return {};
+
+    std::unordered_map<int, int> m;
+
+    for (auto n : nums) {
+      if (n >= 0)
+        m[n]++;
+    }
+
+    for (int i = 0; i < nums.size() - 2; i++) {
+      for (int j = i + 1; j < nums.size() - 1; j++) {
+        auto v = -nums[i] - nums[j];
+        if (v == 0) {
+          
+        }
+      }
+    }
+
+    return std::vector<vector<int>>(result.cbegin(), result.cend());
+  }
+};
\ No newline at end of file
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