实验1

// 03.cpp : Defines the entry point for the console application. //

#include "stdafx.h"

#include<stdio.h> int main()  {int a,b,sum; a=123;  b=456;  sum=a+b;  printf("sum is %d\n",sum);  return 0;  }

 

 

 

 

// 03.cpp : Defines the entry point for the console application. //

#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;  }

 

 

 

 

 

 

// 03.cpp : Defines the entry point for the console application. //

#include "stdafx.h" #include<math.h> #include<stdio.h> int main() { float x,y,z; scanf("%f %f",&x,&y); z=x+1.0/fabs(y); printf("z=%d\n",(int)z);   printf("z=%15.6f\n",z); printf("z=%e\n",z);

 return 0; }