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|---|---|---|
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| 3 | orzdevinwang | 3707 |
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| Страны | Города | Организации | Всё → |
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|---|---|---|
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| 7 | awoo | 156 |
| 8 | TheScrasse | 154 |
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| 10 | nor | 152 |
please help me in following problem , i tried to read its analysis ,but was unable to understand its optimised solution . I looked for various people solution ,they had used bfs, but i am unable to interpret that too.
Just give me the way ,through which i should approach this problem .
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