func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 2 * 1e5 + 10;   char str[maxn];   int ans[maxn];   int main() {     int n, a, b, k;     while (scanf( %d%d%d%d , &n, &a, &b, &k) != EOF) {       scanf( %s , str + 1);       int m = 0, cnt = 0;       for (int i = 1; i <= n; ++i) {         if (str[i] ==  0 ) {           cnt++;           if (cnt == b) {             ans[m++] = i;             cnt = 0;           }         }         if (str[i] ==  1 ) cnt = 0;       }       printf( %d n , m + 1 - a);       printf( %d , ans[0]);       for (int i = 1; i <= m - a; ++i) printf(  %d , ans[i]);       printf(  n );     }     return 0;   }   