complete 12015.kt 12738.kt 14626.kt 33985.kt 34029.kt 34060.kt 9252.py

This commit is contained in:
2025-07-13 16:13:49 +09:00
parent cd64086305
commit 7e42a7b447
7 changed files with 253 additions and 0 deletions

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fun getLengthLIS(arr: List<Int>): Int {
val lisProps = mutableListOf<Int>()
arr.forEach {
val x = lisProps.binarySearch(it).let { it ->
if (it < 0) {
-(it + 1)
} else {
it
}
}
if (x == lisProps.size) {
lisProps.add(it)
} else {
lisProps[x] = it
}
}
return lisProps.size
}
fun main() {
readln()
val arr = readln().split(' ').map { it.toInt() }
println(getLengthLIS(arr))
}

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import java.io.StreamTokenizer
fun main() = with(StreamTokenizer(System.`in`.bufferedReader())) {
nextToken()
val n = nval.toInt()
val lisProps = IntArray(n)
var size = 0
(1..n).forEach { _ ->
nextToken()
val it = nval.toInt()
val x = lisProps.binarySearch(it, 0, size).let { it ->
if (it < 0) {
-(it + 1)
} else {
it
}
}
if (x == size) {
size++
}
lisProps[x] = it
}
println(size)
}

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fun getMissingISBN(numbers: List<Int>, missingIndex: Int): Int {
val check = numbers.last()
val others = (numbers.slice(0 until 12).withIndex().sumOf {
if (it.index % 2 == 0) {
it.value
} else {
3 * it.value
}
} + check) % 10
val res = if (missingIndex % 2 == 0) {
if (others == 0) {
0
} else {
10 - others
}
} else {
if (others == 0) {
0
} else {
if ((10 - others) % 3 == 0) {
(10 - others) / 3
} else if ((20 - others) % 3 == 0) {
(20 - others) / 3
} else {
(30 - others) / 3
}
}
}
return res
}
fun main() {
var missingIndex = -1
val numbers = readln().trim().withIndex().map {
if (it.value == '*') {
missingIndex = it.index
0
} else {
it.value.digitToInt()
}
}
println(getMissingISBN(numbers, missingIndex))
}

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/**
평문의 모든 문자는 X이므로 Encrypted Message가 모두 `A` 또는 `B`로 교체되려면,
처음과 마지막은 각각 `A`, `B`이어야만 한다.
나머지는 구역은 모두 A 또는 B로 바꿀수 있는 방법이 항상 존재한다.
```
// 가운데 문자를 i번째 문자(S[i])라고 할경우:
XXX -> ABX -> AAB (S[i]를 A로 바꾸는 경우)
XXX -> ABX -> AAB -> ABB (S[i]를 B로 바꾸는 경우)
```
*/
fun isValidEncryption(s: String): Boolean {
return s.startsWith('A') && s.endsWith('B')
}
fun main() {
readln()
isValidEncryption(readln().trim()).run {
println(
if (this) {
"Yes"
} else {
"No"
}
)
}
}

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import java.io.StreamTokenizer
import kotlin.math.pow
class BinomialSuccessiveCalculator(val p: Double /* ensure 1 > p > 0*/, val n: Int /*300 >= n >= 1*/) {
var cumulative: Double = 0.0
var before: Double = 0.0
var k: Int = -1
val p_ratio = p / (1.0 - p)
fun next() {
if (k == -1) {
before = (1 - this.p).pow(n)
} else {
before = before * (n - k).toDouble() / (k + 1).toDouble() * p_ratio
}
cumulative += before
k++
}
fun minTrialToTrust(): Int {
while (cumulative < 0.05) {
next()
}
return this.k
}
}
fun main() = with(StreamTokenizer(System.`in`.bufferedReader())) {
nextToken()
val 타율 = nval
nextToken()
val 타석 = nval.toInt()
val bsc = BinomialSuccessiveCalculator(타율, 타석)
println(bsc.minTrialToTrust())
}

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import java.io.StreamTokenizer
const val K: Long = 1_000_000_007
fun find(parents: IntArray, a: Int): Int {
if (parents[a] == a) {
return a
}
parents[a] = find(parents, parents[a]);
return parents[a]
}
fun union(parents: IntArray, a: Int, b: Int) {
val ra = find(parents, a)
val rb = find(parents, b)
if (ra == rb) {
return
} else if (ra < rb) {
parents[rb] = ra
} else {
parents[ra] = rb
}
}
fun intervalPollutionArea(polluted: List<Long>): Pair<Int, Int> {
val n = polluted.size
val parents = IntArray(n) { it }
val poses = ArrayList<Long>()
var now_x = 1L
var before_y = 0L
for (p in polluted) {
if (p <= before_y) now_x++
before_y = p
poses.add(K * now_x + p)
}
for ((i, p) in poses.withIndex()) {
val px = p / K
val py = p % K
val dx = listOf(
K * (px + 1) + py,
p + 1,
)
for (x in dx) {
val findPos = poses.binarySearch(x)
if (findPos > 0) {
union(parents, i, findPos)
}
}
}
return Pair(parents.map { find(parents, it) }.distinct().count(), n)
}
fun main() = with(StreamTokenizer(System.`in`.bufferedReader())) {
nextToken()
val n = nval.toInt()
val polluted = (1..n).map {
nextToken()
this.nval.toLong()
}
intervalPollutionArea(polluted).run {
println(this.first)
println(this.second)
}
}

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import sys
input = sys.stdin.readline
if __name__ == "__main__":
s = 0
while (n := int(input())) != -1:
s += n
print(s)