#include <iostream>#include <string>#include <stdio.h>#include <stdlib.h>#include <vector>using namespace std;int main(){int t;cin>>t;string pa, pb, a, b, c, tmp;vector<char> save;int jinwei, sum;for (int k = 0; k < t; k++){cin>>pa>>pb;save.clear();c.clear();// 重置顺序！但是保留原先的数值if(pa.size() < pb.size()){a = pb;b = pa;}else{a = pa;b = pb;}int maxlen = a.size();int minlen = b.size();sum = 0;jinwei = 0;int i = maxlen;int j = minlen;while((i–) && (j–)){sum = a[i] – '0' + b[j] – '0';if(jinwei) sum++;if(sum > 9){jinwei = 1;}else{jinwei = 0;}save.push_back((char)(sum % 10 + '0'));}/*if ((maxlen – minlen) != 0){*/for (i = (maxlen – minlen – 1); i >= 0 ; i–){sum = a[i] – '0';if(jinwei) sum++;if(sum > 9){jinwei = 1;}else{jinwei = 0;}save.push_back((char)(sum % 10 + '0'));}//}if(jinwei){save.push_back('1');}for (int i = save.size() – 1; i>=0 ; i–){c = c + save[i];}printf("Case %d:\n", k+1);cout<<pa<<" + "<<pb<<" = "<<c<<endl;if (k != t – 1){cout<<endl;}}return 0;}
，以后我会去到很多很繁华或苍凉，
