题解 | 统计成绩

#include <stdio.h>
int main() {
    int n, i, j = 0;//要输入几科成绩
    float sum = 0;
    float average = 0;
    scanf("%d", &n);
    float temp = 0;
    float score[5] = { 0 };
    for (i = 0; i < 5; i++) {
        scanf("%f ", &score[i]);
    }
    int size = sizeof(score) / sizeof(score[0]);
    //冒泡排序
    for (i = 0; i < size - 1; i++) {
        for (j = 0; j < (size - i) - 1; j++) {
            if (score[j + 1] < score[j]) {
                temp = score[j];
                score[j] = score[j + 1];
                score[j + 1] = temp;
            }
        }
    }
    for (i = 0; i < size; i++) {
        sum += score[i];
    }
    average = sum * 1.0 / size;
    printf("%.2f %.2f %.2f", score[size - 1], score[0], average);
    return 0;
}