实验一C运行环境与最简单程序设计

 

#include "stdafx.h"
#include<stdio.h>
int main(int argc, char* argv[])
{
 int a,b,sum;
 a=123;
 b=456;
 sum=a+b;
 printf("sum is %d\n",sum);
 return 0;

}

 

#include "stdafx.h"
#include<stdio.h>
int main()
{   char c1,c2;
    c1=97;
    c2=98;
 printf("c1=%c,c2=%c\n",c1,c2);
 printf("c1=%d,c2=%d\n",c1,c2);
 return 0;
}

 

 

#include "stdafx.h"
#include<stdio.h>
#include<math.h>
int main(int argc, char* argv[])
{
 float x,y,z;
    scanf("%f%f",&x,&y);
 z=x+1/fabs(y);
 printf("z=%i\n",(int)z);
 printf("z=%15.6f\n",z);
 printf("z=%e\n",z);
 return 0;
}

 

 

 #include "stdafx.h"
#include<stdio.h>
int main()
{   char c1,c2;
    c1=197;
    c2=198;
 printf("c1=%c,c2=%c\n",c1,c2);
 printf("c1=%d,c2=%d\n",c1,c2);
 return 0;

}