Ok, looks like in my case the format of input data in tests #2 and #6 is differ from the one in the example. Accepted Go code is:


package main

import (
    "fmt"
    "sort"
)

type city struct {
    n, x, y int
}

func main() {
    var n int
    fmt.Scan(&n)
    m := make([]city, n)

    for i := 0; i < n; i++ {
        m[i].n = i + 1
        fmt.Scan(&m[i].x, &m[i].y)
    }

    sort.Slice(m, func(i, j int) bool {
        if m[i].x < m[j].x {
            return true
        }
        return false
    })

        for i := 0; i < n; i += 2 {
        fmt.Println(m[i].n, m[i+1].n)
    }
}


time:   0.14
memory: 2 044 КB


Edited by author 29.09.2020 01:10

4
-1 -2 -3 -4
-5 0 -7 -8
-9 -1 -127 -100
-3 -4 -7 -1

I have WA on tc 4 too and am unable to figure it out. Some help?

(my solution provide 4 answers at all: infinity, 0, 1, 2)

.

Edited by author 24.09.2020 17:19

looks like "aaaa" answer should be full string.

input: aaaa
output : aaaa

Yes

is 1 the correct answer ?

Nvm

Edited by author 23.09.2020 15:53

Hi,

What about the scenario where both players have flush ? In texas holdem whosoever has higher highest card wins and if they are the same then it's a tie. So what should be the answer for the following test case.

4C 6C 8C
3H 4H 8H
AS AD

Mine is Artyom because both player's best hand is eight high flush (even though the next best card of sasha (6) is greater than next best card of dima (4)).

First test different

I got my problem
I erased from multiset in a wrong way

what is the whole test case ? .  i am getting wrong answer on test case 2 !

My AC solution returns
55555556 2

My answer is 26 53646707