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The first Liaoning undergraduate program design competition in 2020 (a, B, C, e, F, G, h, I, J, K)

2021-01-23 21:12:14 The electric light of fingertip beating

Match Links :

A- Team up and distribute

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B- Two point distance

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C- Whose turn is it ?

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E- Line segment tree

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link :https://ac.nowcoder.com/acm/contest/11606/E
source : Cattle from

Now I'll give you a bunch of numbers ,a1,a2,a3…an, You need to m There are several operations as follows :
1 l r v, Section a[l] To a[r] Add all the numbers of v.
2 l r v, Section a[l] To a[r] All the numbers of are multiplied by v.
3 l r, Find interval a[l] To a[r] The sum of the products of numbers between two ( for example :2,3,4,5 The sum of the product of two is 23+24+25+34+35+45)

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F- Longest palindrome

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G- Guan Guan's lucky number

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H- Pigeon's floating point operations

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I- Pigeon's integer operation

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J- The three body problem of pigeon civilization

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K-xor

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summary + reflection

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