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Visa Coding Interview Questions

We track 139 coding questions asked at Visa, tagged with the algorithms and concepts they test. The most common: Array, String, Hash Table, Dynamic Programming, Sorting.

Browse all 139 Visa questions →

Concept mix

Each question's weight is split evenly across its concepts, so the shares sum to 100%.

Array — 22.8%String — 9.4%Hash Table — 7.2%Dynamic Programming — 6.1%Sorting — 4.5%Two Pointers — 4.4%Math — 4.2%Greedy — 3.9%Matrix — 3.1%Binary Search — 2.6%Other (41) — 31.6%

How many questions involve each concept

Share of all 139 tracked Visa questions that touch each concept. Questions usually involve several, so these overlap.

Where Visa differs from the average company

Concept weight at Visa relative to the average across all companies we track. Green means Visa leans on it harder than most.

Visa specialties

Concepts that show up at Visa but are rarely asked elsewhere. They are easy to get blindsided by.

Difficulty mix

Level split of the 139 tracked Visa questions.

  • Junior23% (32)
  • Mid/Senior60% (84)
  • Staff17% (23)

Every concept in Visa interviews

ConceptQuestions% of questionsShare of mix
Array9266.2%22.8%
String3726.6%9.4%
Hash Table3525.2%7.2%
Dynamic Programming2618.7%6.1%
Sorting2417.3%4.5%
Two Pointers1812.9%4.4%
Greedy1611.5%3.9%
Math1611.5%4.2%
Heap (Priority Queue)1510.8%2.4%
Matrix1510.8%3.1%
Depth-First Search128.6%2.2%
Binary Search117.9%2.6%
Stack107.2%2.6%
Simulation96.5%2.1%
Breadth-First Search85.8%1.5%
Counting85.8%1.4%
Backtracking64.3%1.3%
Prefix Sum64.3%1.5%
Binary Tree53.6%1.1%
Linked List53.6%1.5%
Monotonic Stack53.6%1.0%
Sliding Window53.6%1.0%
Tree53.6%1.1%
Trie53.6%0.8%
Design42.9%0.7%
Divide and Conquer42.9%0.7%
Queue42.9%0.6%
Recursion42.9%1.5%
Bit Manipulation32.2%0.5%
Memoization32.2%0.4%
Monotonic Queue32.2%0.4%
Ordered Set32.2%0.5%
Union-Find32.2%0.5%
Bucket Sort21.4%0.2%
Doubly-Linked List21.4%0.4%
Graph Theory21.4%0.3%
Hash Function21.4%0.4%
Quickselect21.4%0.2%
Rolling Hash21.4%0.4%
Segment Tree21.4%0.4%
String Matching21.4%0.4%
Binary Indexed Tree10.7%0.1%
Bitmask10.7%0.1%
Brainteaser10.7%0.2%
Combinatorics10.7%0.2%
Data Stream10.7%0.1%
Enumeration10.7%0.2%
Eulerian Circuit10.7%0.1%
Game Theory10.7%0.2%
Number Theory10.7%0.2%
Topological Sort10.7%0.2%

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