编辑代码

#include <stdio.h>
#include <limits.h>

int min(int a, int b) {
    return (a < b) ? a : b;
}

int changeMaking(int coins[], int n, int amount) {
    int dp[amount + 1];
    dp[0] = 0;

    for (int i = 1; i <= amount; i++) {
        dp[i] = INT_MAX;
        for (int j = 0; j < n; j++) {
            if (i >= coins[j]) {
                dp[i] = min(dp[i], dp[i - coins[j]] + 1);
            }
        }
    }

    return dp[amount];
}

int main() {
    int coins[] = {1, 2, 5};  // 硬币面额
    int n = sizeof(coins) / sizeof(coins[0]);  // 硬币种类数量
    int amount = 11;  // 找零金额

    int result = changeMaking(coins, n, amount);
    printf("最少的硬币数: %d\n", result);

    return 0;
}