c语言实验一

#include <stdio.h>

int main(){

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         int a,b,sum;

         a=123;

         b=456;

         sum = a + b;

         printf("sum is %d\n",sum);

        

         return 0;

}

                       

#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 <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;

}

 

#include<math.h>

int main()

{

         int x,y,z;

         scanf("%d %d",&x,&y);

         z=x+1/abs(y);

         printf("%d\n%15.6f\n%e\n",z,(double)z,(double)z);

         return 0;

}

 

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