#include "stdio.h"main(){int integer1[5],integer2[5],sum[6]; int i,a,b,c; char c1,c2; printf("please input integer1\n"); scanf("c%",&c1); if(c1=='+')integer1[0]=0; else if(c1=='-') integer1[0]=1; else printf("please input unsigned\n"); for(i=1;iint shu(int *p){int s=0;for(int i=1;i<6;i++){s+=p;s*=10;}return p[0]?(0-s):s;}void zi(int *p,int s){p[0]=s<0?1:0;s=s<0?(0-s):s;int i=5;
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