哈工大 C语言程序设计精髓 MOOC慕课 6-12周编程题答案

内容发布更新时间 : 2024/12/27 12:39:14星期一 下面是文章的全部内容请认真阅读。

\下面代码的功能是将百分制成绩转换为5分制成绩,具体功能是:如果用户输入的是非法字符或者不在合理区间内的数据(例如输入的是a,或者102,或-45等),则程序输出 Input error!,并允许用户重新输入,直到输入合法数据为止,并将其转换为5分制输出。目前程序存在错误,请将其修改正确。并按照下面给出的运行示例检查程序。 */

#include<> #include <> int main() {

char score[100];

int flag = 0, i, s; char grade;

printf(\ while (1) {

flag=0;

scanf(\

for (i = 0; i < strlen(score); i++) {

if (score[i] >= '0' && score[i] <= '9') {

continue; } else {

flag = 1; break; } }

s = atoi(score);

if (s < 0 || s > 100 || flag == 1) {

printf(\

printf(\ continue; } else{

break; } }

s = atoi(score);

if (s >= 90) {

grade = 'A'; }

else if (s >= 80) {

grade = 'B'; }

else if (s >= 70) {

grade = 'C'; }

else if (s >= 60) {

grade = 'D'; } else {

grade = 'E'; }

printf(\

return 0; }\

\ #include<> int main() {

int n,a,i,j; double p=0,q=0;

printf(\ scanf( \ for(i=1;i<=n;i++) {

for(j=0,p=0;j

p=p+a*pow(10,j); }

q=p+q; }

printf(\ return 0; }\

\

n块砖( 27

程序的运行结果示例1: Input n(27

men=0,women=4,children=32

程序的运行结果示例2: Input n(27

men=3,women=3,children=30

程序的运行结果示例3: Input n(27

men=2,women=14,children=20 men=7,women=7,children=22 men=12,women=0,children=24

输入提示: \ 输入格式: \

输出格式:\ */

#include \ main() {

printf(\ long n, i, t, s = 0; scanf(\ int a, b, c;

for (a = 0; 4 * a <= n; a++)

for (b = 0; 4 * a + 3 * b <= n; b++)

for (c = 0; 4 * a + 3 * b + c / 2 <= n; c += 2) if (4 * a + 3 * b + c / 2 == n && c%2 == 0 && a+b+c==36) {

printf(\ } }\

\ int main()

{int year,month,day;

printf(\ scanf(\ switch(month) {

case 1: day=31;break; case 2: day=28;break; case 3: day=31;break; case 4: day=30;break; case 5: day=31;break; case 6: day=30;break; case 7: day=31;break; case 8: day=31;break; case 9: day=30;break; case 10: day=31;break; case 11: day=30;break; case 12: day=31;break;

default:day=-1;printf(\ }

if((year%4==0&&year0!=0||year@0==0)&&month==2) day=29;if (day!=-1)

printf(\ return 0; }\

\

unsigned int ComputeAge(unsigned int n){ }

main() {

int i, j, k, s = 23, n, c, age; scanf(\

printf(\

}\

\ int gys(int a,int b) {

int r; r=a%b;

if(r==0) return b;

else return gys(b,r); }

main() {

printf(\ int a,b;

scanf(\ if (a<=0 || b<=0){

printf(\ } else

printf(\

}\

\

int median(int a, int b, int c) {

if(a

if(b

else{return a

Repeated digit!

程序运行结果示例2: Input n: 12345↙

No repeated digit!

输入提示:\ 输入格式: \ 输出格式:

有重复数字,输出信息: \

没有重复数字,输出信息: \ */

#include <> int main() {

int log[10]= {0},a[100]; int b,i=0,n,c,d;

printf(\ scanf(\

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