func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, i, j, k;     string s;     while (cin >> n >> s) {       int sum = 0;       int left = 0, right = 0, up = 0, down = 0;       for (i = 0; i < n; i++) {         if (s[i] ==  R ) {           if (left == 1) {             sum++;             left = 0;             up = 0;             down = 0;           }           right = 1;         } else if (s[i] ==  L ) {           if (right == 1) {             sum++;             right = 0;             up = 0;             down = 0;           }           left = 1;         } else if (s[i] ==  U ) {           if (down == 1) {             sum++;             down = 0;             left = 0;             right = 0;           }           up = 1;         } else if (s[i] ==  D ) {           if (up == 1) {             sum++;             up = 0;             left = 0;             right = 0;           }           down = 1;         }       }       cout << sum + 1 << endl;     }     return 0;   }   