Problem database last updated: June 20, 2025
2 problems · 1 Easy, 1 Medium, 0 Hard · Ranked #376 of 458
1 Easy
50% · avg 23%
1 Medium
50% · avg 59%
0 Hard
0% · avg 18%
Based on 2 reported problems, Societe Generale interviews are easier than average - only 0% Hard compared to 18% across all companies.
The most common topics are string (50%), greedy (50%), array (50%), dynamic-programming (50%). Problems below are sorted by frequency, the ones at the top are asked most often.
| Problem | Difficulty | Frequency | Topics | |
|---|---|---|---|---|
Minimum Number of Swaps to Make the Binary String Alternating Given a binary string s, return the minimum number of character swaps to make it alternating, or -1 if it is impossible. | Medium | Very Likely | stringgreedy | Solve |
Best Time to Buy and Sell Stock You are given an array prices where prices[i] is the price of a given stock on the ith day. | Easy | Likely | arraydynamic-programming | Solve |
Minimum Number of Swaps to Make the Binary String Alternating
SolveGiven a binary string s, return the minimum number of character swaps to make it alternating, or -1 if it is impossible.
Best Time to Buy and Sell Stock
SolveYou are given an array prices where prices[i] is the price of a given stock on the ith day.
Frequency scores are based on crowdsourced interview reports. A higher score means the problem has been reported more often in recent Societe Generale interviews.
Very Likely
75-100%
Likely
50-74%
Sometimes
25-49%
Rare
0-24%
Societe Generale interviews focus heavily on string, greedy, array problems. If you're short on time, these are the categories to prioritize. The problems on this page are sorted by frequency, so start from the top and work your way down.
Beyond solving problems, practice explaining your approach. Societe Generale interviewers care about your thought process - how you break down a problem, consider edge cases, and evaluate tradeoffs between solutions. A clean O(n) solution you can explain clearly beats an O(log n) solution you can't articulate.
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Societe Generale has been reported to ask 2 distinct coding problems. The most common topics are string, greedy, array. 1 are Easy difficulty, 1 are Medium, and 0 are Hard. Problems are sorted by frequency - the ones at the top are asked most often.
Based on 2 reported problems, Societe Generale interviews are easier than average - only 0% Hard compared to 18% across all companies. 50% of questions are Medium difficulty. Focus on the high-frequency Medium problems first, then work through the Hard ones.
Start with the highest-frequency problems listed on this page. Focus on the core topics: string, greedy, array. Practice solving them under time pressure and explaining your approach out loud. Mock interviews with AI can simulate the real experience.
Simulate a real Societe Generale coding interview with an AI interviewer. Get a scorecard with specific feedback on your problem-solving, code quality, and communication.
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