zju1205

#include <iostream>#include <string>#include <vector>#include <algorithm>using namespace std;int main(){string s1, s2, temp;vector<int> v;int a, b, sum;int flag;while (cin >> s1 >> s2){flag = 0;v.clear();sum = 0;reverse(begin(s1), end(s1));reverse(begin(s2), end(s2));if (s1.size() < s2.size()){temp = s1;s1 = s2;s2 = temp;}for (int i = 0; i < s1.size(); ++i){if (s1[i] == '0')a = 0;else if (s1[i] == '1')a = 1;else if (s1[i] == '2')a = 2;else if (s1[i] == '3')a = 3;else if (s1[i] == '4')a = 4;else if (s1[i] == '5')a = 5;else if (s1[i] == '6')a = 6;else if (s1[i] == '7')a = 7;else if (s1[i] == '8')a = 8;else if (s1[i] == '9')a = 9;else if (s1[i] == 'a')a = 10;else if (s1[i] == 'b')a = 11;else if (s1[i] == 'c')a = 12;else if (s1[i] == 'd')a = 13;else if (s1[i] == 'e')a = 14;else if (s1[i] == 'f')a = 15;else if (s1[i] == 'g')a = 16;else if (s1[i] == 'h')a = 17;else if (s1[i] == 'i')a = 18;else if (s1[i] == 'j')a = 19;if (i >= s2.size()) b = 0;else{if (s2[i] == '0')b = 0;else if (s2[i] == '1')b = 1;else if (s2[i] == '2')b = 2;else if (s2[i] == '3')b = 3;else if (s2[i] == '4')b = 4;else if (s2[i] == '5')b = 5;else if (s2[i] == '6')b = 6;else if (s2[i] == '7')b = 7;else if (s2[i] == '8')b = 8;else if (s2[i] == '9')b = 9;else if (s2[i] == 'a')b = 10;else if (s2[i] == 'b')b = 11;else if (s2[i] == 'c')b = 12;else if (s2[i] == 'd')b = 13;else if (s2[i] == 'e')b = 14;else if (s2[i] == 'f')b = 15;else if (s2[i] == 'g')b = 16;else if (s2[i] == 'h')b = 17;else if (s2[i] == 'i')b = 18;else if (s2[i] == 'j')b = 19;}sum = a + b + flag;if (sum > 19){flag = 1;sum = sum - 20;}elseflag = 0;v.push_back(sum);}if (flag == 1)v.push_back(1);for (int i = v.size() - 1; i >= 0; i--){if (v[i] < 10) cout << v[i];else if (v[i] == 10) cout << "a";else if (v[i] == 11) cout << "b";else if (v[i] == 12) cout << "c";else if (v[i] == 13) cout << "d";else if (v[i] == 14) cout << "e";else if (v[i] == 15) cout << "f";else if (v[i] == 16) cout << "g";else if (v[i] == 17) cout << "h";else if (v[i] == 18) cout << "i";else if (v[i] == 19) cout << "j";}cout << endl;}return 0;}