func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t, n, i, l, k;     cin >> t;     while (t--) {       cin >> n >> k >> l;       int s = 0, f = 2 * k - 1, dep, flg = 1;       for (i = 1; i <= n; i++) {         cin >> dep;         if (!flg) continue;         if (l < dep) {           cout <<  NO  << endl;           flg = 0;         }         if (!flg) continue;         int s1 = k - 1 - (l - dep), f1 = k - 1 + (l - dep);         if (s1 < 0) s1 = 0;         if (f1 > 2 * k - 1) f1 = 2 * k - 1;         if (s1 == 0 && f1 == 2 * k - 1) {           s = 0;           f = 2 * k - 1;           continue;         }         if (s == 0 && f == 2 * k - 1) {           s = s1;           f = f1;           continue;         }         s = max(s + 1, s1);         f = f1;         if (s > f) {           cout <<  NO  << endl;           flg = 0;         }       }       if (flg) cout <<  YES  << endl;     }     return 0;   }   