Created
January 24, 2013 20:00
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get coordinate for pascal triangle
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| /* | |
| 1 | |
| 1 1 | |
| 1 2 1 | |
| 1 3 3 1 | |
| 1 4 6 4 1 | |
| */ | |
| def getNum(int x, int y) { | |
| if (y == 0) { | |
| return 1 | |
| } else if (x == y) { | |
| return 1 | |
| } else { | |
| return getNum(x-1, y-1) + getNum(x-1, y) | |
| } | |
| } | |
| getNum(4 ,1 ) |
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