This commit is contained in:
krahets
2023-09-02 23:03:42 +08:00
parent 799698e67c
commit 503ca797b8
12 changed files with 314 additions and 91 deletions

View File

@@ -121,13 +121,47 @@ status: new
=== "JS"
```javascript title="coin_change_greedy.js"
[class]{}-[func]{coinChangeGreedy}
/* 零钱兑换:贪心 */
function coinChangeGreedy(coins, amt) {
// 假设 coins 数组有序
let i = coins.length - 1;
let count = 0;
// 循环进行贪心选择,直到无剩余金额
while (amt > 0) {
// 找到小于且最接近剩余金额的硬币
while (i > 0 && coins[i] > amt) {
i--;
}
// 选择 coins[i]
amt -= coins[i];
count++;
}
// 若未找到可行方案,则返回 -1
return amt === 0 ? count : -1;
}
```
=== "TS"
```typescript title="coin_change_greedy.ts"
[class]{}-[func]{coinChangeGreedy}
/* 零钱兑换:贪心 */
function coinChangeGreedy(coins: number[], amt: number): number {
// 假设 coins 数组有序
let i = coins.length - 1;
let count = 0;
// 循环进行贪心选择,直到无剩余金额
while (amt > 0) {
// 找到小于且最接近剩余金额的硬币
while (i > 0 && coins[i] > amt) {
i--;
}
// 选择 coins[i]
amt -= coins[i];
count++;
}
// 若未找到可行方案,则返回 -1
return amt === 0 ? count : -1;
}
```
=== "C"