Time: 20 ms (45.91%), Space: 25.6 MB (39.56%) - LeetHub

Author: MishkatIT

2441-largest-positive-integer-that-exists-with-its-negative/2441-largest-positive-integer-that-exists-with-its-negative.cpp

@@ -0,0 +1,17 @@
+class Solution {
+public:
+    int findMaxK(vector<int>& nums) {
+        map<int, bool> mp;
+        for (auto& i : nums) {
+            mp[i] = true;
+        }
+        int ans = -1;
+        for (auto& i : mp) {
+            if (mp.find(-i.first) != mp.end()) {
+                ans = abs(i.first);
+                break;
+            }
+        }
+        return ans;
+    }
+};