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KS
Kushagra Sahay
Joined interview queue
Live
Prompt
Explain the optimal approach for Two Sum and its complexity tradeoff.
ApproachIn progress
Edge CasesPending
ComplexityPending
Follow-upPending
Interview Readiness82%
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JudgeO - ProblemsPractice
[]*o#
OKContainer With Water
OKAdvanced Kit
..Container View
..Stream VII SH
..Stack Addition
..Stream Following Attaches
..Advance Value
JudgeO - solution.cppC++ 17
01#include <bits/stdc++.h>
02using namespace std;
03 
04int main() {
05 int n, target;
06 cin >> n >> target;
07 vector<int> nums(n);
08 for (auto &x : nums)
09 cin >> x;
10 // Two Sum Logic
11 unordered_map<int,int> mp;
12 for (int i = 0; i < n; i++) {
Run
stdout: Testcase 1 - Accepted (Runtime: 2ms)

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JudgeO - AI Mentor
Can you explain the sliding window technique?
Sure. It reduces nested loops into one pass over a moving window.
Quick example?
Start with first k sum, slide by add-next remove-prev, track max.
Type a message...
^
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Arrays & Hashing
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Two Pointers
88
Sliding Window
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Binary Search
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