func_code_string: #include <bits/stdc++.h>   using namespace std;   char s[100000];   int n, m, x, y, i, sol, v[501][501];   int main() {     cin >> n >> m >> x >> y;     cin >> s;     cout << 1 <<    ;     int l = strlen(s);     for (i = 0; i < l - 1; i++) {       v[x][y] = 1;       if (s[i] ==  R  && y < m) y++;       if (s[i] ==  L  && y > 1) y--;       if (s[i] ==  U  && x > 1) x--;       if (s[i] ==  D  && x < n) x++;       if (v[x][y] == 1)         cout << 0 <<    ;       else {         cout << 1 <<    ;         sol++;       }     }     cout << n * m - sol - 1;     return 0;   }   