nonsocode

<template>
  <div class="n-select" :class="{'is-small' : small, opened: list}" ref="nSelect">
    <div class="over-con">
      <div class="search-container" ref="searchContainer" @click.stop="openAndSearch">
        <template v-if="multiple">
          <div class="selected-item" v-for="val in selected" :key="trackBy ? val[trackBy] : val" >
            <span class="text">{{label ? val[label] : val}}</span>
            <button class="close" @click="removeItem(val)">&times;</button>
          </div>
        </template>

nonsocode

class ErrorBag {
  constructor(errors = {}) {
    this.setErrors(errors);
  }

  hasErrors() {
    return !!this.keys.length;
  }

  get keys() {

nonsocode

Q1.

def f():
	int a[N + 1][M + 1][K + 1]
	sum = 0
	for i = 1 to N:
		for j = i to M:
			for k = j to K:
				sum += a[i][j]
	print(sum)