Can anybody please help me with this problem. I am not able to understand editorial also. Any other solution approaches are also welcomed. Thanks
Problem link: problem 402C
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| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en2 |
|
Dr_John_WATSON | 2022-06-29 17:21:02 | 2 | Tiny change: '[problem 402C](https:/' -> '[problem 420C](https:/' | |
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Dr_John_WATSON | 2022-06-29 17:20:21 | 252 | Initial revision (published) |
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