diff --git a/week7/week7_1/.gitignore b/week7/week7_1/.gitignore new file mode 100644 index 0000000..f68d109 --- /dev/null +++ b/week7/week7_1/.gitignore @@ -0,0 +1,29 @@ +### IntelliJ IDEA ### +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/week7/week7_1/.idea/.gitignore b/week7/week7_1/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/week7/week7_1/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/week7/week7_1/.idea/inspectionProfiles/Project_Default.xml b/week7/week7_1/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 0000000..df543e3 --- /dev/null +++ b/week7/week7_1/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,6 @@ + + + + \ No newline at end of file diff --git a/week7/week7_1/.idea/kotlinc.xml b/week7/week7_1/.idea/kotlinc.xml new file mode 100644 index 0000000..506f8fd --- /dev/null +++ b/week7/week7_1/.idea/kotlinc.xml @@ -0,0 +1,10 @@ + + + + + + + \ No newline at end of file diff --git a/week7/week7_1/.idea/libraries/KotlinJavaRuntime.xml b/week7/week7_1/.idea/libraries/KotlinJavaRuntime.xml new file mode 100644 index 0000000..3e44d76 --- /dev/null +++ b/week7/week7_1/.idea/libraries/KotlinJavaRuntime.xml @@ -0,0 +1,26 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/week7/week7_1/.idea/misc.xml b/week7/week7_1/.idea/misc.xml new file mode 100644 index 0000000..cf9abe6 --- /dev/null +++ b/week7/week7_1/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/week7/week7_1/.idea/modules.xml b/week7/week7_1/.idea/modules.xml new file mode 100644 index 0000000..a2a7f15 --- /dev/null +++ b/week7/week7_1/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/week7/week7_1/.idea/vcs.xml b/week7/week7_1/.idea/vcs.xml new file mode 100644 index 0000000..b2bdec2 --- /dev/null +++ b/week7/week7_1/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/week7/week7_1/src/main/kotlin/Main.kt b/week7/week7_1/src/main/kotlin/Main.kt new file mode 100644 index 0000000..2679dce --- /dev/null +++ b/week7/week7_1/src/main/kotlin/Main.kt @@ -0,0 +1,60 @@ +import java.util.Arrays +import java.util.LinkedList +import java.util.Queue +import kotlin.concurrent.fixedRateTimer + +val vertical = arrayOf(2, -2, 1 , -1, 1, -1, -2, 2) +val horizontal = arrayOf(1, -1, 2, -2, -2, 2, 1, -1) +lateinit var resultArray: Array + + +fun main() { + val L = readLine()?.toInt() ?: return + resultArray = Array(L){ 0 } + + for(i in 0 until L){ + val n = readLine()?.toInt() ?: return + val chess = Array(n){Array(n){0}} + val (startX, startY) = readLine()?.split(" ")?.map { it.toInt() } ?: return + val (endX, endY) = readLine()?. split(" ")?.map { it.toInt() } ?: return + + resultArray[i] = bfs(chess, startX, startY, endX, endY, n) + } + resultArray.forEach {it-> + println(it) + } +} + +fun bfs(chess: Array>, startX: Int, startY: Int, endX: Int, endY: Int, n: Int): Int{ + val queue: Queue> = LinkedList>() + queue.offer(Pair(startX, startY)) + chess[startX][startY] = 1 + var cnt = 0 + + while (queue.isNotEmpty()) { + val queueSize = queue.size + + for(i in 0 until queueSize){ + val index = queue.poll() + if (index.first == endX && index.second == endY) { + return cnt + } + + for (j in 0 until 8) { + val curX: Int = index.first + vertical[j] + val curY: Int = index.second + horizontal[j] + + if (isValidPosition(n, curX, curY) && chess[curX][curY] == 0) { + chess[curX][curY] = 1 + queue.offer(Pair(curX, curY)) + } + } + } + cnt++ + } + return -1 +} + +fun isValidPosition(n: Int, x: Int, y: Int): Boolean{ + return x in 0 until n && y in 0 until n +} diff --git a/week7/week7_1/week7_1.iml b/week7/week7_1/week7_1.iml new file mode 100644 index 0000000..4eba30b --- /dev/null +++ b/week7/week7_1/week7_1.iml @@ -0,0 +1,15 @@ + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/week7/week7_2/.gitignore b/week7/week7_2/.gitignore new file mode 100644 index 0000000..f68d109 --- /dev/null +++ b/week7/week7_2/.gitignore @@ -0,0 +1,29 @@ +### IntelliJ IDEA ### +out/ +!**/src/main/**/out/ +!**/src/test/**/out/ + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache +bin/ +!**/src/main/**/bin/ +!**/src/test/**/bin/ + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/week7/week7_2/.idea/.gitignore b/week7/week7_2/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/week7/week7_2/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/week7/week7_2/.idea/inspectionProfiles/Project_Default.xml b/week7/week7_2/.idea/inspectionProfiles/Project_Default.xml new file mode 100644 index 0000000..df543e3 --- /dev/null +++ b/week7/week7_2/.idea/inspectionProfiles/Project_Default.xml @@ -0,0 +1,6 @@ + + + + \ No newline at end of file diff --git a/week7/week7_2/.idea/kotlinc.xml b/week7/week7_2/.idea/kotlinc.xml new file mode 100644 index 0000000..506f8fd --- /dev/null +++ b/week7/week7_2/.idea/kotlinc.xml @@ -0,0 +1,10 @@ + + + + + + + \ No newline at end of file diff --git a/week7/week7_2/.idea/libraries/KotlinJavaRuntime.xml b/week7/week7_2/.idea/libraries/KotlinJavaRuntime.xml new file mode 100644 index 0000000..3e44d76 --- /dev/null +++ b/week7/week7_2/.idea/libraries/KotlinJavaRuntime.xml @@ -0,0 +1,26 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/week7/week7_2/.idea/misc.xml b/week7/week7_2/.idea/misc.xml new file mode 100644 index 0000000..cf9abe6 --- /dev/null +++ b/week7/week7_2/.idea/misc.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/week7/week7_2/.idea/modules.xml b/week7/week7_2/.idea/modules.xml new file mode 100644 index 0000000..553e96f --- /dev/null +++ b/week7/week7_2/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/week7/week7_2/.idea/vcs.xml b/week7/week7_2/.idea/vcs.xml new file mode 100644 index 0000000..b2bdec2 --- /dev/null +++ b/week7/week7_2/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/week7/week7_2/src/main/kotlin/Main.kt b/week7/week7_2/src/main/kotlin/Main.kt new file mode 100644 index 0000000..a711485 --- /dev/null +++ b/week7/week7_2/src/main/kotlin/Main.kt @@ -0,0 +1,73 @@ +import java.util.LinkedList +import java.util.Queue +import java.util.Scanner +import java.util.StringTokenizer +import kotlin.properties.Delegates + +lateinit var connected: Array> +lateinit var dfsVisited: Array +lateinit var visited: Array> +lateinit var apart: Array +val dx = arrayOf(0, 0, 1, -1) +val dy = arrayOf(1, -1, 0, 0) +var appartNum = 0 +var N = 0 + + +fun main() { + N = readLine()?.toInt() ?: return + val scanner = Scanner(System.`in`) + connected = Array(N){ Array(N) { 0 } } + visited = Array(N){ Array(N) { false } } + apart = Array(N*N){ 0 } + + for(i in 0 until N){ + val input = readLine() + for(j in 0 until N){ + connected[i][j] = input?.get(j)?.toString()?.toInt() ?: 0 + } + } + + for(i in 0 until N){ + for(j in 0 until N){ + if(connected[i][j] == 1 && !visited[i][j]){ + appartNum++ + BFS(i, j) + } + } + } + + apart.sort() + println("$appartNum") + + apart.forEach { v-> + if(v != 0) println(v) + } + +} + +fun BFS(x : Int, y : Int){ + val q: Queue = LinkedList() + q.add(intArrayOf(x, y)) + visited[x][y] = true + apart[appartNum]++ + + while(!q.isEmpty()){ + val curX = q.peek()[0] + val curY = q.peek()[1] + q.poll() + + for(i in 0 until 4){ + val nx = curX + dx[i] + val ny = curY + dy[i] + + if(nx >= 0 && ny >= 0 && nx < N && ny < N){ + if(connected[nx][ny] == 1 && !visited[nx][ny]){ + q.add(intArrayOf(nx, ny)) + visited[nx][ny] = true + apart[appartNum]++ + } + } + } + } +} \ No newline at end of file diff --git a/week7/week7_2/week7_2.iml b/week7/week7_2/week7_2.iml new file mode 100644 index 0000000..4eba30b --- /dev/null +++ b/week7/week7_2/week7_2.iml @@ -0,0 +1,15 @@ + + + + + + + + + + + + + + + \ No newline at end of file