Contents

export default class Triangle {
    rows: number[][]
    lastRow: number[]

    constructor(rows: number) {
        this.rows = this.fillRows(rows)
        this.lastRow = this.rows[this.rows.length - 1]
    }

    newRow(prevRow: number[]) {
        let prev = 0
        const nextRow = []
        for (const x of prevRow) {
            nextRow.push(prev + x)
            prev = x
        }
        nextRow.push(1)
        return nextRow
    }

    fillRows(rows: number) {
        const result = []
        let prevRow: number[] = []
        for (let x = 0; x < rows; x++) {
            const nextRow = this.newRow(prevRow)
            result.push(nextRow)
            prevRow = nextRow
        }
        return result
    }

}

Version data entries

133 entries across 133 versions & 1 rubygems

Version	Path
trackler-2.2.1.159	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.158	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.157	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.156	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.155	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.154	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.153	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.152	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.151	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.150	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.149	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.148	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.147	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.146	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.145	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.144	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.143	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.142	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.141	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts
trackler-2.2.1.140	tracks/typescript/exercises/pascals-triangle/pascals-triangle.example.ts