无脑的大数加法模板 include<bits/stdc.h>usingnamespacestd;stringsum(strings1,strings2){if(s1.length()<s2.length())//保证s1字符串最大{stringtemp=s1;s1=s2;s2=temp;}inti,j;for(i=s1.length()-1,j=s2.length()-1;i>=0;i--,j--){s1[i]=char(s1[i]+(j>=0?s2[j]-'0':0));//注意细节if(s1[i]-'0'>=10){s1[i]=char((s1[...