func_code_string: #include <bits/stdc++.h>   const int N = 100010;   using namespace std;   namespace YKY {   inline int rnd() {     int res = 0, f = 1;     char ch = getchar();     while (ch <  0  || ch >  9 ) {       if (ch ==  - ) f = -1;       ch = getchar();     }     while (ch >=  0  && ch <=  9 ) {       res = res * 10 + ch -  0 ;       ch = getchar();     }     return res * f;   }   inline void wr(int x) {     if (x < 0) {       putchar( - );       x = -x;     }     if (x > 9) wr(x / 10);     putchar(x % 10 +  0 );   }   char s[N];   int n, m, k;   int Main() {     n = rnd();     m = rnd();     k = rnd();     scanf( %s , s + 1);     m = m + k;     for (int i = 1, opt, l, r, c; i <= m; i++) {       opt = rnd();       l = rnd();       r = rnd();       c = rnd();       if (opt == 1)         memset(s + l, c +  0 , r - l + 1);       else         puts(memcmp(s + l, s + l + c, r - l - c + 1) ?  NO  :  YES );     }     return 0;   }   }  // namespace YKY   int main() { return YKY ::Main(); }   