编辑代码

#include <stdio.h>

void makeChange(int coins[], int num_coins, int amount) {
    int remaining = amount;

    printf("找零 %d 需要的硬币：\n", amount);

    for (int i = 0; i < num_coins; i++) {
        int numCoins = remaining / coins[i];
        if (numCoins > 0) {
            printf("%d 个 %d 面值的硬币\n", numCoins, coins[i]);
            remaining %= coins[i];
        }
    }
}

int main() {
    int coins[] = {20, 19, 10, 2};
    int num_coins = sizeof(coins) / sizeof(coins[0]);
    int amount = 63;

    makeChange(coins, num_coins, amount);

    return 0;
}