Описание задачи и тестовый набор в комментариях
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April 1, 2023 13:10
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Компания-1. Тестовое задание-4
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| // const n = 13; | |
| // const a = [1, 2, 3, 1, 2, 2, 3, 3, 3, 1, 4, 4, 5]; | |
| // const n = 5; | |
| // const a = [1, 1, 1, 1, 1]; | |
| // const n = 10; | |
| // const a = [1, 2, 4, 2, 3, 1, 3, 9, 15, 23]; | |
| // const n = 5; | |
| // const a = [1, 2, 3, 4, 5]; | |
| // const n = 14; | |
| // const a = [2, 2, 2, 2, 1, 3, 3, 3, 3, 1, 5, 5, 5, 5]; | |
| const n = 18; | |
| const a = [5, 3, 2, 3, 3, 3, 3, 5, 5, 5, 5, 2, 5, 2, 1, 2, 2, 4]; | |
| const propsInit = { | |
| lastBalance: 0, | |
| maxLevel: 0, | |
| listenPrimeLevel: {}, | |
| listenItemByOne: {}, | |
| sizeSetOfItem: 0, | |
| groups: {} | |
| // ,debug: [] | |
| }; | |
| const res = a.reduce((props, value, index) => { | |
| if (index == 0) { | |
| props.groups[value] = { count: 1 }; | |
| props.listenPrimeLevel[value] = props.groups[value]; | |
| props.listenItemByOne[value] = props.groups[value]; | |
| } else { | |
| if (props.groups[value] === undefined) { | |
| props.groups[value] = { count: 1 }; | |
| props.listenItemByOne[value] = props.groups[value]; | |
| if (props.maxLevel === 0) { | |
| if (Object.keys(props.listenItemByOne).length > 1) { | |
| props.listenPrimeLevel = {}; | |
| props.maxLevel++; | |
| } | |
| } | |
| } else { | |
| if (props.groups[value].count === 1) { | |
| props.sizeSetOfItem++; | |
| delete props.listenItemByOne[value]; | |
| } | |
| if (props.groups[value].count === props.maxLevel) { | |
| if (Object.keys(props.listenPrimeLevel).length === 0) { | |
| props.listenPrimeLevel[value] = props.groups[value]; | |
| } else { | |
| props.listenPrimeLevel = {}; | |
| props.maxLevel++; | |
| } | |
| } | |
| if (props.groups[value].count === props.maxLevel + 1) { | |
| props.maxLevel++; | |
| } | |
| props.groups[value].count++; | |
| } | |
| if ( | |
| Object.keys(props.listenPrimeLevel).length > 0 && | |
| props.maxLevel * (props.sizeSetOfItem + Object.keys(props.listenItemByOne).length) === index | |
| ) { | |
| props.lastBalance = index + 1; | |
| } | |
| if ( | |
| Object.keys(props.listenPrimeLevel).length == 0 && | |
| Object.keys(props.listenItemByOne).length > 0 && | |
| props.maxLevel * (props.sizeSetOfItem + Object.keys(props.listenItemByOne).length - 1) === index | |
| ) { | |
| props.lastBalance = index + 1; | |
| } | |
| } | |
| // props.debug.push(JSON.parse(JSON.stringify(props))); | |
| return props; | |
| }, propsInit); | |
| console.log(res.lastBalance); |
Author
simolex
commented
Apr 1, 2023
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