1.用选择法对数组中10个整数按有小到大排序
#include<stdio.h> int main() { void sort(int array[], int n); int a[10], i; printf("enter array:\n"); for (i = 0; i < 10; i++) scanf_s("%d", &a[i]); sort(a, 10); printf("The sorted array:\n"); for (i = 0; i < 10; i++) printf("%d ", a[i]); printf("\n"); return 0; } void sort(int array[], int n) { int i, j, k, t; for (i = 0; i < n - 1; i++) { k = i; for (j = i + 1; j < n; j++) if (array[j] < array[k]) k = j; t = array[k]; array[k] = array[i]; array[i] = t; } }运行结果:
2.有一个一维数组,内放10个学生成绩,写一个函数,当主函数调用此函数后,求出平均分、最高分、最低分
#include<stdio.h> float Max = 0, Min = 0; int main() { float average(float array[], int n); float ave, score[10]; int i; printf("Please enter 10 scores:"); for (i = 0; i < 10; i++) scanf_s("%f", &score[i]); ave = average(score, 10); printf("max=%6.2f\nmin=%6.2f\naverage=%6.2f\n", Max, Min, ave); return 0; } float average(float array[], int n) { int i; float aver, sum = array[0]; Max = Min = array[0]; for (i = 1; i < n; i++) { if (array[i] > Max) Max = array[i]; else if (array[i] < Min) Min = array[i]; sum = sum + array[i]; } aver = sum / n; return(aver); }运行结果:
3.输出1到5的阶乘值
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#include<stdio.h> int main() { int fac(int n); int i; for (i = 1; i <= 5; i++) printf("%d!=%d\n", i, fac(i)); return 0; } int fac(int n) { static int f = 1; f = f*n; return(f); }运行结果: