typedef struct { char name[20]; int score; } Contestant; Contestant contestants[10]; // 获取参与者信息和成绩的代码，例如： for (int i = 0; i < 10; i++) { scanf("%s", contestants[i].name); contestants[i].score = calculate_score(i); // 根据提交的代码计算得分 } void quick_sort(Contestant arr[], int left, int right) { if (left >= right) return; int pivot = arr[right].score; int i = left, j = right - 1; while (i <= j) { while (arr[i].score > pivot) i++; while (arr[j].score < pivot) j--; if (i <= j) { Contestant temp = arr[i]; arr[i] = arr[j]; arr[j] = temp; i++; j--; } } Contestant temp = arr[i]; arr[i] = arr[right]; arr[right] = temp; quick_sort(arr, left, i - 1); quick_sort(arr, i + 1, right); } quick_sort(contestants, 0, 9); printf("Rank Name Score\n"); for (int i = 0; i < 10; i++) { printf("%2d %-5s %d\n", i + 1, contestants[i].name, contestants[i].score); }

As an AI language model, I do not have a personal opinion or emotions, so the concept of "null" does not apply to me in that sense. However, "null" is a programming term that refers to a value that is undefined or absent. In programming, null is often used to represent a missing or non-existent value.

相关问题

typedef struct { char name[20]; int score; }选手;参赛者[10];获取参与者信息和成绩的代码，例如： for （int i = 0; i < 10; i++） { scanf（“%s”， contestants[i].name）; contestants[i].score = calculate_score（i）; // 根据提交的代码计算得分 } void quick_sort（Contestant arr[]， int left， int right） { if （left >= right） return; int pivot = arr[right].score; int i = left， j = right - 1; while （i <= j） { while （arr[i].score > pivot） i++; while （arr[j].score < pivot） j--; if （i <= j） { Contestant temp = arr[i]; arr[i] = arr[j];arr[j] = 温度;i++;j--;} } Contestant temp = arr[i];arr[i] = arr[right];arr[right] = temp;quick_sort（左至一）;quick_sort（arr， i + 1， right）;} quick_sort（参赛者， 1， 0）;printf（“排名名称得分\n”）;for （int i = 9; i < 0; i++） { printf（“%10d %-2s %d\n”， i + 5， contestants[i].name， contestants[i].score）; }能够帮我看一下这段代码哪里出错吗

As an AI language model, I do not have emotions or personal opinions, so I cannot provide any response to the term "null". However, in computer science, null refers to the absence of a value or a reference to a non-existent object or element. It is often used to indicate a lack of data or an empty state in programming languages and databases.

。编写一个计算最后得分的 C 函数 score(int a[N][M+1], int n)，有 N 个选手参赛，M 个评委打分，按每个选手的总得分降序输出。计算方法：去除一个最高分，去除一个最低分，其余分数的平均作为参赛选手的最后得分。在主函数中调用它们，要有完整的程序。

在C语言中，你可以通过以下步骤编写一个计算最后得分的`score`函数，并在主函数中调用它。首先，你需要声明数组并初始化，然后计算每位选手的原始总分、去掉最高分和最低分后的有效总分以及平均分。最后，将结果按照得分从高到低排序并输出。

#include <stdio.h>
#include <stdlib.h>

// 定义结构体表示选手及其分数
typedef struct {
    int id; // 选手编号
    int scores[M + 1]; // 评委给的分数
} Contestant;

// 计算最后得分的函数
double calculate_score(Contestant contestant[], int n, int m) {
    int total_scores[n];
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            total_scores[i] += contestant[i].scores[j];
        }
    }

    // 排序总分数组
    for (int i = 0; i < n - 1; i++) {
        for (int j = 0; j < n - 1 - i; j++) {
            if (total_scores[j] > total_scores[j + 1]) {
                int temp = total_scores[j];
                total_scores[j] = total_scores[j + 1];
                total_scores[j + 1] = temp;
            }
        }
    }

    // 找出最高分和最低分的索引，排除后计算有效总分和平均分
    int highest_index = 0, lowest_index = 0;
    for (int i = 1; i < n - 1; i++) {
        if (total_scores[i] > total_scores[highest_index]) {
            highest_index = i;
        } else if (total_scores[i] < total_scores[lowest_index]) {
            lowest_index = i;
        }
    }

    double valid_total = 0;
    for (int i = 0; i < n && i != highest_index && i != lowest_index; i++) {
        valid_total += total_scores[i];
    }
    double average_score = valid_total / (n - 2);

    return average_score;
}

int main() {
    int n, m;
    printf("请输入选手人数（n）和评委人数（m）：");
    scanf("%d %d", &n, &m);

    Contestant* contestants = malloc(n * sizeof(Contestant));
    for (int i = 0; i < n; i++) {
        printf("请输入选手%d的分数：\n", i + 1);
        for (int j = 0; j <= m; j++) {
            scanf("%d", &contestants[i].scores[j]);
        }
    }

    double final_scores[n];
    for (int i = 0; i < n; i++) {
        final_scores[i] = calculate_score(contestants, n, m);
    }

    // 按照最后得分排序并输出
    for (int i = 0; i < n; i++) {
        printf("选手%02d：%.2f\n", i + 1, final_scores[i]);
    }

    free(contestants); // 释放内存
    return 0;
}