Day 34 贪心算法 - 柠檬水找零
860. 柠檬水找零
function lemonadeChange(bills: number[]): boolean {
let five = 0;
let ten = 0;
for (let i = 0; i < bills.length; i++) {
if (bills[i] === 5) {
five++;
} else if (bills[i] === 10) {
five--...
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