func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn(2e5 + 5);   int n, m, s, a[maxn], bl[maxn], br[maxn], b[maxn], o[maxn], len, id[maxn], blk;   int mn[505][505], st[505][505], tag[505], w[maxn], pmn[maxn], smn[maxn];   int curmn[505], curst[505], curtag[505];   inline void Modify(int l, int r, int id) {     int i;     pmn[id] = smn[id] = 1 << 30;     if (b[l] == b[r])       for (i = l; i <= r; ++i) ++w[i];     else {       for (i = l; i <= br[l]; ++i) ++w[i];       for (i = bl[r]; i <= r; ++i) ++w[i];       for (i = b[l] + 1; i < b[r]; ++i) ++tag[i];     }     for (i = bl[l]; i <= br[l]; ++i) pmn[id] = min(pmn[id], w[i]);     for (i = bl[r]; i <= br[r]; ++i) smn[id] = min(smn[id], w[i]);   }   inline int Binary(int v) {     int l = 1, r = n, mid, ret = -1;     while (l <= r) {       mid = (l + r) >> 1;       if (o[a[id[mid]]] <= v)         ret = mid, l = mid + 1;       else         r = mid - 1;     }     return ret;   }   inline int Query(int l, int r, int x) {     int val = curst[b[l]], i, ret = 1 << 30;     for (i = bl[l]; i < l; ++i) val += (a[i + m] <= x) - (a[i] <= x);     for (i = l; i <= r; ++i)       ret = min(ret, val), val += (a[i + m] <= x) - (a[i] <= x);     return ret;   }   int main() {     int i, j, ans = 0, l, r, x, ql, qr;     scanf( %d%d , &n, &m), len = n;     for (i = 1; i <= n; ++i) scanf( %d , &a[i]), o[i] = a[i], id[i] = i;     sort(o + 1, o + len + 1), len = unique(o + 1, o + len + 1) - o - 1;     for (i = 1; i <= n; ++i) a[i] = lower_bound(o + 1, o + len + 1, a[i]) - o;     sort(id + 1, id + n + 1, [](int x, int y) { return a[x] < a[y]; });     for (blk = sqrt(n), i = 1; i <= n; ++i)       b[i] = (i - 1) / blk + 1, bl[i] = b[i] == b[i - 1] ? bl[i - 1] : i;     for (i = n; i; --i) br[i] = b[i] == b[i + 1] ? br[i + 1] : i;     memset(mn, 63, sizeof(mn)), memset(mn[0], 0, sizeof(mn[0]));     for (i = 1; i <= n; ++i) {       Modify(max(1, id[i] - m + 1), id[i], i);       if (b[i] != b[i + 1]) {         for (j = 1; j <= n; ++j) w[j] += tag[b[j]];         for (j = 1; j <= b[n]; ++j) tag[j] = 0;         for (j = 1; j <= n; ++j) {           mn[b[i]][b[j]] = min(mn[b[i]][b[j]], w[j]);           if (b[j] != b[j - 1]) st[b[i]][b[j]] = w[j];         }       }     }     scanf( %d , &s);     while (s--) {       scanf( %d%d%d , &l, &r, &x), x ^= ans, x = Binary(x - 1);       if (x < 0) {         printf( %d n , ans = 0);         continue;       }       for (i = 1; i <= b[n]; ++i)         curmn[i] = mn[b[x] - 1][i], curst[i] = st[b[x] - 1][i], curtag[i] = 0;       for (i = bl[x]; i <= x; ++i) {         ql = max(1, id[i] - m + 1), qr = id[i];         curmn[b[ql]] = pmn[i], curmn[b[qr]] = smn[i];         if (b[ql] < b[qr]) ++curtag[b[ql] + 1], --curtag[b[qr]];         if (bl[ql] >= ql && (b[ql] ^ b[qr])) ++curst[b[ql]];         if (bl[qr] >= ql) ++curst[b[qr]];       }       for (i = 1; i <= b[n]; ++i)         curtag[i] += curtag[i - 1], curmn[i] += curtag[i], curst[i] += curtag[i];       if (b[l] == b[r])         printf( %d n , ans = Query(l, r, a[id[x]]));       else {         ans = min(Query(l, br[l], a[id[x]]), Query(bl[r], r, a[id[x]]));         for (i = b[l] + 1; i < b[r]; ++i) ans = min(ans, curmn[i]);         printf( %d n , ans);       }     }     return 0;   }   