Examing in Lab607

   DiDi-20/8/21

src/NetEase-20-08-08/index.js

@@ -0,0 +1,38 @@
+const readline = require('readline')
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+})
+let n = 0
+let inputs = []
+rl.on('line', function (line) {
+    if (n === 0) {
+        n = parseInt(line.trim())
+    } else {
+        inputs.push(line)
+        if (inputs.length === n) {
+            deal(inputs)
+            n = 0
+            inputs.length = 0
+        }
+    }
+})
+
+function deal(arr) {
+    let map = {}
+    for (let i = 0; i < arr.length; i++) {
+        let word = arr[i]
+        if (map[word] > 1) {
+            map[word] += 1
+        } else {
+            map[word] = 1
+        }
+    }
+    let res = 0
+    for (let key in map) {
+        if (map[key] / n >= 0.1) {
+            res++
+        }
+    }
+    console.log(res)
+}

src/NetEase-20-08-08/index4.js

@@ -0,0 +1,47 @@
+const readline = require('readline')
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+})
+let person = 0
+let inputs = []
+let gx = 0
+rl.on('line', function (line) {
+    if (person === 0) {
+        [person, gx] = line.split(' ').map(Number)
+    } else {
+        inputs.push(line)
+        if (inputs.length === gx) {
+            deal(inputs)
+
+            person = 0
+            inputs.length = 0
+        }
+    }
+})
+
+function deal(arr) {
+    // [ '1 3', '2 1', '3 2', '3 5', '4 5', '5 4' ]
+    let len = arr.length
+    let res = 0
+    let map = {}
+
+    for (let i = 0; i < len; i++) {
+        for (let j = i + 1; j < len; j++) {
+            if (arr[i][0] === arr[j][2] ) {
+                map[arr[j][0] + arr[i][2]] = true
+            }
+            if (arr[i][2] === arr[j][0] ) {
+                map[arr[i][0] + arr[j][2]] = true
+            }
+        }
+    }
+    console.log(map)
+    let keyArr = Object.keys(map)
+    for(let i = 0;i<keyArr.length;i++){
+        for(let j = 0;j<keyArr.length;j++){
+            // if ()
+        }
+    }
+    console.log(res)
+}

src/didi-20/1.js

@@ -0,0 +1,76 @@
+const readline = require('readline')
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+})
+let n = 0
+rl.on('line', function (line) {
+    n = Number(line.trim())
+    deal(n)
+})
+
+/**
+ * a\b\c:0-9
+ * a!=0
+ * a!==b!==c
+ * abc!==acc
+ * abc+acc==n
+ * abc:102-987
+ * acc:100-988
+ * @param n
+ */
+function deal(n) {
+    //f (n < 202 || n > 2000) return 0
+    if (n < 202 || n > 2000) {
+        console.log(0)
+        return
+    }
+    let abcArr = getABC()
+    let accArr = getACC()
+    let abcL = abcArr.length
+    let num = 0
+    let res = []
+    let a, b, c, abcStr
+    let a1, b1, c1
+    for (let i = 0; i < abcL; i++) {
+        abcStr = abcArr[i].toString();
+        [a, b, c] = abcStr.split('').map(Number)
+        let rest = n - abcArr[i];
+        [a1, b1, c1] = rest.toString().split('').map(Number)
+        if (a === a1 && c === c1 && accArr.indexOf(rest) !== -1) {
+            num++
+            res.push([abcArr[i], rest])
+        }
+    }
+    console.log(num)
+    for (let i = 0; i < res.length; i++) {
+        //console.log(res[i])
+        console.log(res[i][0] + ' ' + res[i][1])
+    }
+}
+
+function getABC() {
+    let a, b, c
+    let res = []
+    for (let i = 102; i < 988; i++) {
+        let str = i.toString();
+        [a, b, c] = str.split('').map(Number)
+        if (a !== b && b !== c && a !== c) {
+            res.push(i)
+        }
+    }
+    return res
+}
+
+function getACC() {
+    let a, b, c
+    let res = []
+    for (let i = 100; i < 989; i++) {
+        let str = i.toString();
+        [a, b, c] = str.split('').map(Number)
+        if (a !== b && b === c) {
+            res.push(i)
+        }
+    }
+    return res
+}

src/didi-20/2.js

@@ -0,0 +1,24 @@
+const readline = require('readline')
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+})
+let T = 0
+let inputs = []
+let n = 0
+let height = []
+let length = []
+rl.on('line', function (line) {
+    T++
+    inputs.push(line)
+    if (T === 3) {
+        n = Number(inputs[0].trim())
+        height = inputs[1].split(' ')
+        length = inputs[2].split(' ')
+        console.log(n, height, length)
+    }
+})
+
+function deal(n) {
+
+}