Submission #2662801

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Source Code Expand

R, C, K = gets.split.map(&:to_i)
maxNum = [R,C,K].max
N = gets.to_i
rc = Array.new(N)
(0...N).each { |i| rc[i] = gets.split.map {|i| i.to_i - 1} }
retr = Array.new(R, 0)
retc = Array.new(C, 0)
rc.each { |i, j| retr[i] += 1; retc[j] += 1 }
kr = Array.new(maxNum+1, 0)
kc = Array.new(maxNum+1, 0)
retr.each { |i| kr[i] += 1 }
retc.each { |i| kc[i] += 1 }
cnt = 0
(K+1).times { |i| cnt += kr[i] * kc[K-i] }
rc.each { |i, j| cnt += 1 if retr[i] + retc[j] == K + 1; cnt -= 1 if retr[i] + retc[j] == K}
puts cnt

Submission Info

Compile Error

./Main.rb:5: warning: shadowing outer local variable - i

Judge Result