1,2题

#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; }

1,2题

原文：https://www.cnblogs.com/P201821430030/p/10689776.html