解法一：字符串处理

  1. #include <bits/stdc++.h>
  3. using namespace std;
  5. int main() {
  6.     ios::sync_with_stdio(false);
  7.     cin.tie(0);
  9.     string str1, str2;
  10.     cin >> str1 >> str2;
  11.     int A[3], B[3];
  13.     int tmp = 0;
  14.     int index = 0;
  15.     for (auto &it:str1) {
  16.         if (it == '.') {
  17.             A[index++] = tmp;
  18.             tmp = 0;
  19.         } else {
  20.             tmp = tmp * 10 + it - 48;
  21.         }
  22.     }
  23.     A[2] = tmp;
  24.     index = 0;
  25.     tmp = 0;
  26.     for (auto &it:str2) {
  27.         if (it == '.') {
  28.             B[index++] = tmp;
  29.             tmp = 0;
  30.         } else {
  31.             tmp = tmp * 10 + it - 48;
  32.         }
  33.     }
  34.     B[2] = tmp;
  36.     int c;
  37.     A[2] += B[2];
  38.     c = A[2] / 29;
  39.     A[2] %= 29;
  40.     A[1] += B[1] + c;
  41.     c = A[1] / 17;
  42.     A[1] %= 17;
  43.     A[0] += B[0] + c;
  44.     cout << A[0] << "." << A[1] << "." << A[2] << "\n";
  45. }