PayPay
10 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2264. Largest 3-Same-Digit Number in String | Easy | 100% | TopicsString |
| 3161. Block Placement Queries | Hard | 77% | TopicsArrayBinary SearchBinary Indexed TreeSegment TreeOrdered Set |
| 6. Zigzag Conversion | Medium | 67.5% | TopicsString |
| 2300. Successful Pairs of Spells and Potions | Medium | 67.5% | TopicsArrayTwo PointersBinary SearchSorting |
| 1584. Min Cost to Connect All Points | Medium | 67.5% | TopicsArrayUnion-FindGraph TheoryMinimum Spanning TreePrim's AlgorithmKruskal's AlgorithmBorůvka's Algorithm |
| 121. Best Time to Buy and Sell Stock | Easy | 67.5% | TopicsArrayDynamic Programming |
| 852. Peak Index in a Mountain Array | Medium | 67.5% | TopicsArrayBinary SearchTernary Search |
| 1. Two Sum | Easy | 67.5% | TopicsArrayHash Table |
| Decode String | Medium | 67.5% | TopicsStringStackRecursion |
| 33. Search in Rotated Sorted Array | Medium | 67.5% | TopicsArrayBinary Search |
