08. Equal Pairs

package main

import (
    "fmt"
    "math"
)

func main() {
    var num, v1, v2, currentValue, currentDiff int
    fmt.Scanln(&num)
    fmt.Scanln(&v1)
    fmt.Scanln(&v2)

    var equalValue = v1 + v2
    var maxDiff = 0

    for i := 1; i < num; i++ {
        fmt.Scanln(&v1)
        fmt.Scanln(&v2)
        currentValue = v1 + v2
        currentDiff = int(math.Abs(float64(equalValue) - float64(currentValue)))

        if currentDiff > maxDiff {
            maxDiff = currentDiff
        } else {
            equalValue = currentValue
        }
    }

    if maxDiff == 0 {
        fmt.Printf("Yes, value=%d", equalValue)
    } else {
        fmt.Printf("No, maxdiff=%d", maxDiff)
    }
}