作业123

 

 

#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 = %d",sum);

 return 0;

}

 

#include "stdafx.h"

#include <stdio.h>

int main(int argc, char* argv[])

{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>

 

int main(int argc, char* argv[])

{int x,y,z;

scanf("%d%d",&x,&y);

if(y>=0)

printf("z=%d",(x+1)/y);

else

printf("z=%d",x+1/-y);

 return 0;

}