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Answers and rating deltas for
In this program how this line work "flag[str[i]-'a']++;" can anyone explain?
| Author | Votes | Δ |
|---|---|---|
| Robert Harvey | 2 | +1.57 |
| No Idea For Name | 0 | -0.61 |
| Makoto | 0 | -0.57 |
| Gangadhar | 0 | -0.40 |
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