func_code_string: #include <bits/stdc++.h>   using namespace std;   long long temp = 0, r, l, w, k = 0, m1, e, p, q, ans = 0, k1 = 0, k2 = 0, d = 0,             a = 0, b = 0, s = 0, x, y, min1 = 1000000010, max1 = 0, m, c = 0,             t = 0, i, n, c1 = 0, tot = 0, t1, k4 = 0, c2 = 0, j = 0, k3 = 0;   char ch, ch1, ch2;   string s1, s2, s3;   signed main() {     cin >> s1 >> s2;     n = s1.length();     if (n == 1) {       cout << 0;       return 0;     }     k = 0;     vector<long long> v1(110, 0), v2(110, 0);     for (long long i = 1; i < n; i++) {       if (s1[i] == s1[i - 1] && s1[i] ==  0  && s2[i - 1] ==  0  && !v1[i - 1] &&           !v1[i] && !v2[i - 1]) {         v1[i] = 1, v1[i - 1] = 1, v2[i - 1] = 1;         c++;       } else if (s1[i] == s1[i - 1] && s1[i] ==  0  && s2[i] ==  0  &&                  !v1[i - 1] && !v1[i] && !v2[i]) {         v1[i] = 1, v1[i - 1] = 1, v2[i] = 1;         c++;       } else if (s2[i] == s2[i - 1] && s2[i] ==  0  && s1[i - 1] ==  0  &&                  !v2[i - 1] && !v2[i] && !v1[i - 1]) {         v2[i] = 1, v2[i - 1] = 1, v1[i - 1] = 1;         c++;       } else if (s2[i] == s2[i - 1] && s2[i] ==  0  && s1[i] ==  0  &&                  !v2[i - 1] && !v2[i] && !v1[i]) {         v2[i] = 1, v2[i - 1] = 1, v1[i] = 1;         c++;       }     }     cout << c;   }   