Balloon.ts

function maxNumberOfBalloons(text: string): number {
    let result = new Map()
    for (let i = 0; i < text.length; i++) {
        result.set(text[i],(result.get(text[i]) || 0) + 1)
    }
    let count = 0
    if (result.get('l') >= result.get('b') * 2) {
        count = result.get('b')
    } else {
        count = Math.floor(result.get('l') / 2)
    }
    while (count > 0) {
        if (
            result.get('b') >= count &&
            result.get('a') >= count &&
            result.get('l') >= count * 2 &&
            result.get('o') >= count * 2 &&
            result.get('n') >= count
        ) {
            return count
        }
    }
};