mooc答案

return 0;
}
逆序数的拆分计算
#include<stdio.h>
int main()
{
printf("Input x:\n");
int x;
scanf("%d", &x);
if(x<=0)
{
x=-x;
}
}while (m==0);
if (score >= 90)
grade = 'A';
else if (score >= 80)
grade = 'B';
else if (score >= 70)
grade = 'C';
#include <math.h>
int main()
{
int area;
float weight,price,x1,x2;
scanf("%d,%f",&area,&weight);
if (weight<=1){
x1=1.0;
}
else{
x1=1.0;
x2=ceil(weight-1);
}
if (area>0&&area<=4){
switch(area){
case(0):price=x1*10+x2*3;break;
case(1):price=x1*10+x2*4;break;
计算两个数的平方和
#include<stdio.h>
#include<math.h>
int main()
{
printf("Please input x and y:\n");
float x, y;
scanf("%f,%f", &x, &y);
printf("Result=%.2f\n", pow(x,2)+pow(y,2));
case(2):price=x1*15+x2*5;break;
case(3):price=x1*15+x2*6.5;break;
case(4):price=x1*15+x2*10;break;
}
printf("Price: %5.2f\n",price);
int main()
{
int x;
printf("Please enter the number:\n");
scanf("%d",&x);
if (x>=1000&&x<=9999) printf("%d: 1000-9999\n",x);
else if (x>0&&x<=9) printf("%d: 0-9\n",x);
n=x;
for(y=1;x/=10;y++);
printf("%d: %d bits\n",n,y);
return 0;
}
检测输入数据中奇数和偶数的个数
#include <stdio.h>
int main(){
int s,odd=0,even=0;
getchar();
}
return 0;
}
判断一个整型数据有几位v1.0
#include <stdio.h>
int main(){
ห้องสมุดไป่ตู้ int x,y,n;
printf("Please enter the number:\n");
scanf("%d",&x);
printf("weight=%d\n", x*2);
printf("height=%.2f\n", y/100.0);
printf("t=%.2f\n", x/((y/100.0)*(y/100.0)));
return 0;
}
数位拆分v2.0
#include <stdio.h>
main()
{
int m,x,y;
printf("Please input n:\n");
scanf("%d",&m);
x=m/100;
y=m%100;
printf("%d,%d\n",x,y);
printf("sum=%d,sub=%d,multi=%d\n",x+y,x-y,x*y);
sum+=(a*tem);
tem=tem*10+1;
printf("result=%d\n", (b*10+a)*(b*10+a)+(d*10+c)*(d*10+c));
return 0;
}
拆分英文名
#include<stdio.h>
int main()
{
printf("Input your English name:\n");
else if (x>=10&&x<=99) printf("%d: 10-99\n",x);
else if (x>=100&&x<=999) printf("%d: 100-999\n",x);
else printf("error!\n");
return 0;
}
#include <stdio.h>
int main(){
int a,n,sum=0,tem=1;
printf("Input a,n:\n");
scanf("%d,%d",&a,&n);
int i;
for (i=1;i<=n;i++)
{
}
else {
printf("Error in Area\n");
printf("Price: 0.00\n");
}
return 0;
}
数据区间判断
#include<stdio.h>
#include<math.h>
printf("Please enter the number:\n");
do{
scanf("%d",&s);
if (s==-1&&odd==0&&even==0) printf("over!\n");
else if( s%2!=0 &&s!=-1) {printf("%d:odd\n",s);odd++;}
else if (score >= 60)
grade = 'D';
else
grade = 'E';
printf("grade: %c\n", grade);
return 0;
}
编程计算a+aa+aaa+…+aa…a（n个a）的值
if (y!=0){
printf("dev=%.2f,mod=%d\n",(float)x/y,x%y);
}
else{
printf("The second operater is zero!\n");
}
}
快递费用计算
#include <stdio.h>
m=b*b-4*a*c;
if (m<0){
printf("error!\n");
}
else{
x1=(-b+sqrt(m))/(2*a);
x2=(-b-sqrt(m))/(2*a);
printf("x1=%7.4f, x2=%7.4f\n",x1,x2);
do{
m=scanf("%d", &score);
getchar();
if (m!=1 ||score < 0 || score > 100)
{ printf("Input error!\nPlease input score:\n");m=0;}
}
return 0;
}
6位密码输入检测
#include <stdio.h>
int main()
{
char a;
int i=0;
printf("Input your password:\n");
while(i<6)
{
scanf("%c",&a);
printf("%c:%d\n", c, c-'a'+1);