Submission #17643029

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Source Code Expand

let input = readLine()!.split(separator: " ")
let n = Int(input[0])!
let s = Array(input[1]).map{String($0)}
var answer = 0
for i in 0..<n-1{
    for j in i+1..<n{
        var ac = 0
        var tc = 0
        var cc = 0
        var gc = 0
        for k in i...j{
            if s[k] == "A"{ac += 1}
            if s[k] == "T"{tc += 1}
            if s[k] == "C"{cc += 1}
            if s[k] == "G"{gc += 1} 
        }
        if ac == tc && cc == gc{answer += 1}
    }
}
print(answer)

Submission Info

Judge Result