For problem setters

Правка en2, от EbraM96, 2018-05-15 12:59:31

Please keep the MOD value 10^9 + 7 !

I had a bug in my code cauz I had the MOD value set to 10^9 + 7 and it was 10^9 + 9 in the problem -_-

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en2 Английский EbraM96 2018-05-15 12:59:31 39 Tiny change: 'o 10^9 + 7' -> 'o 10^9 + 7 and it was 10^9 + 9 in the problem -_-'
en1 Английский EbraM96 2018-05-15 12:58:43 122 Initial revision (published)