글 읽기 - 추가 반례 부탁드려요.

choiyoujun 3년 전 0

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output
1
19 15

오목돌이 6개 이상 연속으로 있을때도 처리 다 했는데

채점에서 계속 틀렸다고 나옵니다.

반례가 더 필요합니다.

(kotlin)

val dx = intArrayOf(0, 1, 1, -1)
val dy = intArrayOf(1, 0, 1, 1)
val sdx = intArrayOf(0, -1, -1, 1)
val sdy = intArrayOf(-1, 0, -1, -1)

var graph = arrayOf<IntArray>()
var omok = intArrayOf(0, 0, 0)
var startPoint = intArrayOf(0, 0)

fun main(args: Array<String>) = with(System.`in`.bufferedReader()) {
    graph = Array(21) { IntArray(21) }
    repeat(19) {
        val str = readLine().split(" ").map { rock -> rock.toInt() }
        for (i in 1 until 20) {
            graph[it + 1][i] = str[i - 1]
        }
    }

    for (y in 1..19) {
        for (x in 1..19) {
            if (graph[y][x] != 0) {
                for (v in 0 until 4) {
                    if (graph[y][x] == 1) dfs(v, graph[y][x], 1, x, y)
                    else dfs(v, graph[y][x], 1, x, y)
                }
            }
        }
    }

    println(
        when {
            omok[1] == 5 -> "1\n${startPoint[0]} ${startPoint[1]}"
            omok[2] == 5 -> "2\n${startPoint[0]} ${startPoint[1]}"
            else -> "0"
        }
    )
}

fun dfs(direction: Int, target: Int, count: Int, x: Int, y: Int) {
    val nx = dx[direction] + x
    val ny = dy[direction] + y

    if (nx in 1..19 && ny in 1..19) {
        if (graph[ny][nx] == target) {
            dfs(direction, target, count + 1, nx, ny)
        } else if (count == 5) {
            omok[target] = 5
            startPoint[0] = ny - dy[direction] * 5
            startPoint[1] = nx - dx[direction] * 5
        }

    } else if ((nx == 20 || ny == 20 || nx == 0 || ny == 0) && count == 5) {
        val synY = ny - dy[direction] * 5 + sdy[direction]
        val synX = nx - dx[direction] * 5 + sdx[direction]
        if (graph[synY][synX] == target) return
        omok[target] = 5
        startPoint[0] = ny - dy[direction] * 5
        startPoint[1] = nx - dx[direction] * 5
    }
}

rlawnddnjs12 2년 전 0

혹시 해결하셨나요 저도 올려놓으신 반례랑 예제 다 맞게 나오는데 AC를 못받네요,, 해결하셨으면 원인 뭐였는지 여쭤봐도 될까요

cathy192 2년 전 2

테스트 케이스에 대한 출력 답이 잘못되었어요,,! 세로로 일자인 경우를 제외하고 항상 가장 왼쪽에 있는 노드가 출력되어야합니다.

위의 테스트 케이스들 중 출력되어야하는 답입니다.

1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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5 2

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1
6 1

댓글을 작성하려면 로그인해야 합니다.

문제

문제

출처

ICPC

추가 반례 부탁드려요.

choiyoujun 3년 전 0

rlawnddnjs12 2년 전 0

cathy192 2년 전 2

Baekjoon Online Judge

채점 현황

문제

유저 대회

고등학교 대회

출처

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