c语言3

#include<stdio.h>

int main()

{

         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(){

float x,y,z;

         scanf("%f%f",&x,&y);

         z=x+1/sqrt(y*y);

         printf("%15.6f\n",z);

         return 0;

}

#include "stdafx.h"

#include"stdio.h"

#include"math.h"

int main(){

int x,y,z;

         scanf("%d%d",&x,&y);

         z=x+1/sqrt(y*y);

         printf("%d\n",z);

         return 0;

}

#include "stdafx.h"

#include"stdio.h"

#include"math.h"

int main(){

float x,y,z;

         scanf("%f%f",&x,&y);

         z=x+1/sqrt(y*y);

 

 

         printf("%e\n",z);

         return 0;

}