以下是第五版《代码答案形式的C语言程序设计》第八章的例题答案：8。1```c#include #define N 5int main(){int a[N], max, i;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);max = a[0];for (i = 1; i < N; i++)if (a[i] > max) max = a[i];printf("max=%d\n", max);return 0;}```8。2```c#include #define N 5int main(){int a[N], i;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);printf("Reverse array a:\n");for (i = N - 1; i >= 0; i--)printf("%d ", a[i]);printf("\n");return 0;}```8。3```c#include #define N 5int main(){int a[N], i;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);printf("a[0]=%d, a[%d]=%d\n", a[0], N - 1, a[N - 1]);return 0;}```8。
4```c#include #define N 5int main(){int a[N], i, sum = 0;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);for (i = 0; i < N; i++)sum += a[i];printf("sum=%d, average=%。2f\n", sum, (float)sum / N);return 0;}```8。5```c#include #define N 5int main(){int a[N], i, temp;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);for (i = 0; i < N / 2; i++){temp = a[i];a[i] = a[N - i - 1];a[N - i - 1] = temp;}printf("Reverse array a:\n");for (i = 0; i < N; i++)printf("%d ", a[i]);printf("\n");return 0;}```8。
6```c#include #define N 5int main(){int a[N], i, j, temp;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);for (i = 0; i < N - 1; i++)for (j = i + 1; j < N; j++)if (a[i] > a[j]){temp = a[i];a[i] = a[j];a[j] = temp;}printf("Sort array a:\n");for (i = 0; i < N; i++)printf("%d ", a[i]);printf("\n");return 0;}```8。7```c#include #define N 5int main(){int a[N], i, j, temp;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);for (i = 0; i < N - 1; i++)for (j = 0; j < N - i - 1; j++)if (a[j] > a[j + 1]){temp = a[j];a[j] = a[j + 1];a[j + 1] = temp;}printf("Sort array a:\n");for (i = 0; i < N; i++)printf("%d ", a[i]);printf("\n");return 0;}```8。
8```c#include #define N 5int main(){int a[N], i;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);printf("Max 5 numbers in array a:\n");for (i = 0; i < 5; i++)printf("%d ", a[i]);printf("\n");return 0;}```8。9```c#include #define N 5int main(){int a[N], i, j, temp;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);for (i = 0; i < N - 1; i++)for (j = 0; j < N - i - 1; j++)if (a[j] > a[j + 1]){temp = a[j];a[j] = a[j + 1];a[j + 1] = temp;}printf("Median number in array a:\n");printf("%d\n", a[N / 2]);return 0;}```8。
10```c#include #define N 5int main(){int a[N], i, j, temp;printf("Enter array a:\n");for (i = 0; i < N; i++)scanf("%d", &a[i]);for (i = 0; i < N - 1; i++)for (j = 0; j < N - i - 1; j++)if (a[j] > a[j + 1]){temp = a[j];a[j] = a[j + 1];a[j + 1] = temp;}printf("Mode number in array a:\n");for (i = 0; i < N; i++){int count = 0, k;for (j = i; j < N; j++)if (a[j] == a[i]) count++;for (k = i - 1; k >= 0; k--)if (a[k] == a[i]) break;if (k < 0 && count > 1) printf("%d ", a[i]);}printf("\n");return 0;}```
