利用字符数组,允许输入两个100位以内的整数,并输出其加 、减、乘运算...答:include <stdio.h>#include <string.h>int main(){ int i,j,k,n,t,a1,b1; char a[10001],b[10001]; int aa[100001],bb[10001]; while (scanf("%d",&n)!=EOF) { for (t=1;t<=n;t++) { memset(a,0,sizeof(a)); memset(b,0,sizeof(b));...