#include <stdio.h>
int main()
{
int number=200;
int year=2014;
do{
year++;
number = number*1.2; //这里是不是应该写点什么？
}while(number<1000); //这里好像缺点什么
printf("到%d年招工规模突破1000人\n", year);
return 0;
}
int main()
{
int number=200;
int year=2014;
do{
year++;
number = number*1.2; //这里是不是应该写点什么？
}while(number<1000); //这里好像缺点什么
printf("到%d年招工规模突破1000人\n", year);
return 0;
}
2015-07-21
#include <stdio.h>
int main()
{
int i,sum=0;
i=1;
while( i<=100 ) //循环条件应该是什么呢？
{
sum=sum+i;
i++; //这里是不是应该改变循环变量的值
}
printf("100以内所有整数之和为：%d\n", sum);
return 0;
}
int main()
{
int i,sum=0;
i=1;
while( i<=100 ) //循环条件应该是什么呢？
{
sum=sum+i;
i++; //这里是不是应该改变循环变量的值
}
printf("100以内所有整数之和为：%d\n", sum);
return 0;
}
2015-07-21
#include <stdio.h>
int main()
{
char c = 'a';
int n = c ; //将c赋值给n
float f = n ; //将c赋值给f
double d = n ; //将c赋值给d
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
}
int main()
{
char c = 'a';
int n = c ; //将c赋值给n
float f = n ; //将c赋值给f
double d = n ; //将c赋值给d
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
}
2015-07-21
一条主对角线为15：
#include <stdio.h>
int main()
{
int arr[3][3] = {{1,2,3},{4,5,6},{7,8,9}};
int i,j;
int sum=0;
for(i=0;i<3;i++)
{
sum += arr[i][i];
}
printf("对角线元素之和是：%d\n",sum);
return 0;
}
#include <stdio.h>
int main()
{
int arr[3][3] = {{1,2,3},{4,5,6},{7,8,9}};
int i,j;
int sum=0;
for(i=0;i<3;i++)
{
sum += arr[i][i];
}
printf("对角线元素之和是：%d\n",sum);
return 0;
}
2015-07-21
两条对角线为30：
#include <stdio.h>
int main()
{
int arr[3][3] = {{1,2,3},{4,5,6},{7,8,9}};
int i,j;
int sum=0;
for(i=0;i<3;i++)
{
sum += arr[i][i] + arr[i][2-i];
}
printf("对角线元素之和是：%d\n",sum);
return 0;
}
#include <stdio.h>
int main()
{
int arr[3][3] = {{1,2,3},{4,5,6},{7,8,9}};
int i,j;
int sum=0;
for(i=0;i<3;i++)
{
sum += arr[i][i] + arr[i][2-i];
}
printf("对角线元素之和是：%d\n",sum);
return 0;
}
2015-07-21
#include <stdio.h>
int main()
{
int age=25;
int height=174;
float weight=55.5;
char isfat=‘y’;
printf("年龄:%d\n",age) ;
printf("身高：%d\n,"height);
printf("体重:%f\n,"weight);
printf("是否属于肥胖儿童:%c\n"isfat),
return0;
}
int main()
{
int age=25;
int height=174;
float weight=55.5;
char isfat=‘y’;
printf("年龄:%d\n",age) ;
printf("身高：%d\n,"height);
printf("体重:%f\n,"weight);
printf("是否属于肥胖儿童:%c\n"isfat),
return0;
}
2015-07-21