作业1
#include <stdafx.h>
#include <stdio.h>
SRE实战 互联网时代守护先锋,助力企业售后服务体系运筹帷幄!一键直达领取阿里云限量特价优惠。int main () {
int a,b,sum;
a=123;
b=456;
sum=a+b;
printf("sum is %d\n",sum);
return 0; }
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; }
int main (){
float x,y,z;
scanf("%f%f",&x,&y);
y=-y;}
z=x+1/y;
printf("%d\n",z);
printf("%15.6f\n",z);
printf("%e\n",z);
return 0;

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