//使用for循环
for(i=1;i<=100;i++)
{
sum=sum+flag*i;
flag=flag*(-1);
}
printf("sum=%d\n",sum);
return 0;
for(i=1;i<=100;i++)
{
sum=sum+flag*i;
flag=flag*(-1);
}
printf("sum=%d\n",sum);
return 0;
2015-02-23
int age = 15;
int height = 162;
float weight = 82.5;
char isfat = 'y';
int height = 162;
float weight = 82.5;
char isfat = 'y';
2015-02-23
#include <stdio.h>
int main()
{
int sum = 0;
int i;
for(i=1; i<=10; i++)
{
printf("%d\n", i);
if(i==3)
goto sum;
}
sum: printf("结束for循环了....");
return 0;
}
int main()
{
int sum = 0;
int i;
for(i=1; i<=10; i++)
{
printf("%d\n", i);
if(i==3)
goto sum;
}
sum: printf("结束for循环了....");
return 0;
}
2015-02-23
#include <stdio.h>
int main()
{
// 这是一首思念家乡的诗
printf("床前明月光,");
printf("疑是地上霜。");
printf("举头望明月,");
printf("低头思故乡。");
/*短短四句诗,无迹的。“无意于工而无不工”。*/
return 0;
}
int main()
{
// 这是一首思念家乡的诗
printf("床前明月光,");
printf("疑是地上霜。");
printf("举头望明月,");
printf("低头思故乡。");
/*短短四句诗,无迹的。“无意于工而无不工”。*/
return 0;
}
2015-02-23
#include <stdio.h>
int main()
{
double num = 2.5; //定义浮点型变量num1并赋值为2.5
printf("num的整数部分是%d\n",(int) num);
return 0;
}
int main()
{
double num = 2.5; //定义浮点型变量num1并赋值为2.5
printf("num的整数部分是%d\n",(int) num);
return 0;
}
2015-02-22
#include <stdio.h>
int main()
{
double num = 2.5; //定义浮点型变量num1并赋值为2.5
int num1=(int)num;
printf("num的整数部分是%d\n", num1);
return 0;
}
int main()
{
double num = 2.5; //定义浮点型变量num1并赋值为2.5
int num1=(int)num;
printf("num的整数部分是%d\n", num1);
return 0;
}
2015-02-21
#include <stdio.h>
int main()
{
char c = 'a';
int n = c ; //将c赋值给n
float f = c ; //将c赋值给f
double d = c ; //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 = c ; //将c赋值给f
double d = c ; //将c赋值给d
printf("%d\n",n);
printf("%f\n",f);
printf("%lf\n",d);
return 0;
}
2015-02-21
#include <stdio.h>
int main()
{
double num = 2.5;
int num1 = (int)2.5;//定义浮点型变量num1并赋值为2.5
printf("num的整数部分是%d\n", num1);
return 0;
}
int main()
{
double num = 2.5;
int num1 = (int)2.5;//定义浮点型变量num1并赋值为2.5
printf("num的整数部分是%d\n", num1);
return 0;
}
2015-02-21