func_code_string: #include <bits/stdc++.h>   using namespace std;   int mv = pow(10, 5) + 1;   void pfn() {     char x[mv], y[mv];     cin >> x >> y;     int ly = strlen(y) - 1, i;     i = ly;     while (i >= 0 && y[i] !=  1 ) i--;     int lx = strlen(x) - 1 - ly + i;     i = lx;     while (i >= 0 && x[i] !=  1 ) i--;     cout << lx - i <<   n ;   }   int main() {     int t;     cin >> t;     while (t--) pfn();   }   