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Author: jhonber

codeforces/Codeforces Round #618 (Div. 2)/A.js

@@ -0,0 +1,40 @@
+// http://codeforces.com/contest/1300/problem/A
+
+'use strict'
+
+const readInts = () => {
+  return readline().split(' ').map(num => parseInt(num))
+}
+
+const readInt = () => readInts()[0]
+
+let t = readInt()
+
+while (t --> 0) {
+  const n = readInt()
+  const arr = readInts()
+
+  let ans = 0
+  let sum = 0
+  for (let i in arr) sum += arr[i]
+
+  for (let i in arr) {
+    if (!arr[i]) {
+      arr[i] ++
+      ans ++
+      sum ++
+    }
+  }
+
+  if (!sum) {
+    for (let i in arr) {
+        if (arr[i] + 1 !== 0) {
+            arr[i] ++
+            ans ++
+            break
+        }
+    }
+  }
+
+  print(ans)
+}

codeforces/Codeforces Round #624 (Div. 3)/A.js

@@ -0,0 +1,22 @@
+// http://codeforces.com/contest/1311/problem/A
+
+'use strict'
+
+let t = parseInt(readline())
+
+while (t --> 0) {
+  const arr = readline().split(' ').map(n => parseInt(n))
+  const a = arr[0]
+  const b = arr[1]
+  
+  let ans = 0
+  const diff = Math.abs(a - b)
+  if (a < b) {
+    if (diff % 2) ans = 1
+    else ans = 2
+  } else if (a > b) {
+    if (diff % 2) ans = 2
+    else ans = 1
+  }
+  print(ans)
+}

codeforces/Codeforces Round #624 (Div. 3)/B.js

@@ -0,0 +1,36 @@
+// http://codeforces.com/contest/1311/problem/B
+
+'use strict'
+
+let t = parseInt(readline())
+const readInts = () => readline().split(' ').map(n => parseInt(n))
+const readInt = () => readInts[0]
+
+while (t --> 0) {
+  const nm = readInts()
+  const arr = readInts()
+  const p = readInts()
+
+  let found = true
+  while (found) {
+    found = false
+    for (let i in p) {
+      const pos = p[i]
+      if (arr[pos - 1] > arr[pos]) {
+        const tmp = arr[pos - 1]
+        arr[pos - 1] = arr[pos]
+        arr[pos] = tmp
+        found = true
+      }
+    }
+  }
+
+  let ok = true
+  for (let i = 1; i < arr.length; ++i) {
+    if (arr[i - 1] > arr[i]) {
+      ok = false
+      break
+    }
+  }
+  print(ok ? 'YES' : 'NO')
+}

codeforces/Codeforces Round #624 (Div. 3)/C.js

@@ -0,0 +1,40 @@
+// http://codeforces.com/contest/1311/problem/C
+
+'use strict'
+
+const getLine = () => readline().split(' ')
+const getInts = () => getLine().map(n => parseInt(n))
+const getInt = () => getInts()[0]
+
+main()
+
+function main () {
+  let t = getInt()
+  while (t --> 0) {
+    const params = getInts()
+    const s = getLine()[0]
+    const mistakes = getInts()
+    solve(...params, s, mistakes)
+  }
+}
+
+function solve (n, m, s, mistakes) {
+  const freq = Array(n + 1).fill(0)
+  const ans = Array(26).fill(0)
+  let accumulate = 0
+
+  mistakes.push(n)
+
+  for (const i of mistakes) {
+    freq[0] ++
+    freq[i] --
+  }
+
+  for (let i = 0; i < n; ++i) {
+    const ind = s[i].charCodeAt() - 'a'.charCodeAt()
+    accumulate += freq[i]
+    ans[ind] += accumulate
+  }
+
+  print(ans.join(' '))
+}

codeforces/data.db

@@ -1067,4 +1067,10 @@
 32161457
 31878123
 31910741
-32605600
+32605600
+71946383
+71824279
+71185827
+71822449
+71822118
+71946544