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  1. n,m=gets.split(" ").map{|e| e.to_i}
  2. xs=gets.split(" ").map{|e| e.to_i}
  3. ys=[0]
  4. s=0
  5. xs.each{|e|
  6. 	s+=e
  7. 	ys<<s
  8. }
  9. p ys
  10. m.times{
  11. 	l,r=gets.split(" ").map{|e| e.to_i}
  12. 	puts xs[l-1]-ys[r]+ys[l]
  13. }
Success #stdin #stdout 0.01s 8048KB
comments (?)
stdin
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8 9
1 9 2 3 7 3 6 5
1 5
5 6
1 8
2 5
4 8
1 6
2 4
3 4
7 8
stdout
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[0, 1, 10, 12, 15, 22, 25, 31, 36]
-20
4
-34
-3
-18
-23
4
-1
1
https://ideone.com/VnibWG
language:
Ruby (ruby 2.5.5)
created:
16 hours ago
visibility:
public

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