From 6ba659f32fe313e0a10051a2731271219a87f668 Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Wed, 18 May 2022 20:20:16 +0800
Subject: [PATCH] =?UTF-8?q?#6281.=20=E6=95=B0=E5=88=97=E5=88=86=E5=9D=97?=
 =?UTF-8?q?=E5=85=A5=E9=97=A8=205?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

https://loj.ac/s/1466003
---
 LibreOJ/6281/6281.cpp     | 124 ++++++++++++++++++++++++++++++++++++++
 LibreOJ/6281/data/a1.in   |   3 +
 LibreOJ/6281/data/a1.out  |   3 +
 LibreOJ/6281/data/a10.in  |   3 +
 LibreOJ/6281/data/a10.out |   3 +
 LibreOJ/6281/data/a2.in   |   3 +
 LibreOJ/6281/data/a2.out  |   3 +
 LibreOJ/6281/data/a3.in   |   3 +
 LibreOJ/6281/data/a3.out  |   3 +
 LibreOJ/6281/data/a4.in   |   3 +
 LibreOJ/6281/data/a4.out  |   3 +
 LibreOJ/6281/data/a5.in   |   3 +
 LibreOJ/6281/data/a5.out  |   3 +
 LibreOJ/6281/data/a6.in   |   3 +
 LibreOJ/6281/data/a6.out  |   3 +
 LibreOJ/6281/data/a7.in   |   3 +
 LibreOJ/6281/data/a7.out  |   3 +
 LibreOJ/6281/data/a8.in   |   3 +
 LibreOJ/6281/data/a8.out  |   3 +
 LibreOJ/6281/data/a9.in   |   3 +
 LibreOJ/6281/data/a9.out  |   3 +
 21 files changed, 184 insertions(+)
 create mode 100644 LibreOJ/6281/6281.cpp
 create mode 100644 LibreOJ/6281/data/a1.in
 create mode 100644 LibreOJ/6281/data/a1.out
 create mode 100644 LibreOJ/6281/data/a10.in
 create mode 100644 LibreOJ/6281/data/a10.out
 create mode 100644 LibreOJ/6281/data/a2.in
 create mode 100644 LibreOJ/6281/data/a2.out
 create mode 100644 LibreOJ/6281/data/a3.in
 create mode 100644 LibreOJ/6281/data/a3.out
 create mode 100644 LibreOJ/6281/data/a4.in
 create mode 100644 LibreOJ/6281/data/a4.out
 create mode 100644 LibreOJ/6281/data/a5.in
 create mode 100644 LibreOJ/6281/data/a5.out
 create mode 100644 LibreOJ/6281/data/a6.in
 create mode 100644 LibreOJ/6281/data/a6.out
 create mode 100644 LibreOJ/6281/data/a7.in
 create mode 100644 LibreOJ/6281/data/a7.out
 create mode 100644 LibreOJ/6281/data/a8.in
 create mode 100644 LibreOJ/6281/data/a8.out
 create mode 100644 LibreOJ/6281/data/a9.in
 create mode 100644 LibreOJ/6281/data/a9.out

diff --git a/LibreOJ/6281/6281.cpp b/LibreOJ/6281/6281.cpp
new file mode 100644
index 00000000..68c90551
--- /dev/null
+++ b/LibreOJ/6281/6281.cpp
@@ -0,0 +1,124 @@
+#include <algorithm>
+#include <cmath>
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 50005;
+
+int n, t, c, a[N], st[N], ed[N], pos[N], sum[N];
+bool done[N];
+
+void change(int l, int r) {
+    int p = pos[l],
+        q = pos[r];
+
+    if (p == q) {
+        for (int i = l; i <= r; i++) {
+            sum[p] -= a[i];
+            a[i] = std::sqrt(a[i]);
+            sum[p] += a[i];
+        }
+
+        return;
+    }
+
+    for (int i = l; i <= ed[p]; i++) {
+        sum[p] -= a[i];
+        a[i] = std::floor(std::sqrt(a[i]));
+        sum[p] += a[i];
+    }
+
+    for (int i = st[q]; i <= r; i++) {
+        sum[q] -= a[i];
+        a[i] = std::floor(std::sqrt(a[i]));
+        sum[q] += a[i];
+    }
+
+    for (int i = p + 1; i <= q - 1; i++) {
+        if (done[i]) continue;
+
+        bool flag = true;
+
+        for (int j = st[i]; j <= ed[i]; j++) {
+            sum[i] -= a[j];
+            flag &= (a[j] = std::floor(std::sqrt(a[j]))) == 1;
+            sum[i] += a[j];
+        }
+
+        if (flag) done[i] = true;
+    }
+}
+
+int query(int l, int r) {
+    int p = pos[l],
+        q = pos[r];
+    int res = 0;
+
+    if (p == q) {
+        if (done[p]) return r - l + 1;
+
+        for (int i = l; i <= r; i++) {
+            res += a[i];
+        }
+
+        return res;
+    }
+
+    for (int i = l; i <= ed[p]; i++) {
+        res += a[i];
+    }
+    for (int i = st[q]; i <= r; i++) {
+        res += a[i];
+    }
+
+    for (int i = p + 1; i <= q - 1; i++) {
+        if (done[i]) {
+            res += ed[i] - st[i] + 1;
+        } else {
+            for (int j = st[i]; j <= ed[i]; j++) {
+                res += a[j];
+            }
+        }
+    }
+
+    return res;
+}
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> n;
+
+    for (int i = 1; i <= n; i++) {
+        cin >> a[i];
+    }
+
+    t = std::sqrt(n);
+
+    for (c = 1;; c++) {
+        st[c] = (c - 1) * t + 1;
+        ed[c] = std::min(n, c * t);
+        if (c * t >= n) break;
+    }
+
+    for (int i = 1; i <= c; i++) {
+        for (int j = st[i]; j <= ed[i]; j++) {
+            pos[j] = i;
+        }
+    }
+
+    for (int i = 1, op, l, r, c; i <= n; i++) {
+        cin >> op >> l >> r >> c;
+
+        if (op == 0) {
+            change(l, r);
+        } else {  // op == 1
+            cout << query(l, r) << endl;
+        }
+    }
+
+    return 0;
+}
diff --git a/LibreOJ/6281/data/a1.in b/LibreOJ/6281/data/a1.in
new file mode 100644
index 00000000..9a0dce5b
--- /dev/null
+++ b/LibreOJ/6281/data/a1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d0c49765353d4e19a0811ff3a8c16454e07a74ca45fddf02dc629419867b5ab2
+size 106630
diff --git a/LibreOJ/6281/data/a1.out b/LibreOJ/6281/data/a1.out
new file mode 100644
index 00000000..faaee966
--- /dev/null
+++ b/LibreOJ/6281/data/a1.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 11406
diff --git a/LibreOJ/6281/data/a10.in b/LibreOJ/6281/data/a10.in
new file mode 100644
index 00000000..126dfc44
--- /dev/null
+++ b/LibreOJ/6281/data/a10.in
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diff --git a/LibreOJ/6281/data/a10.out b/LibreOJ/6281/data/a10.out
new file mode 100644
index 00000000..f0b56b36
--- /dev/null
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+size 140380
diff --git a/LibreOJ/6281/data/a2.in b/LibreOJ/6281/data/a2.in
new file mode 100644
index 00000000..9a0dce5b
--- /dev/null
+++ b/LibreOJ/6281/data/a2.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d0c49765353d4e19a0811ff3a8c16454e07a74ca45fddf02dc629419867b5ab2
+size 106630
diff --git a/LibreOJ/6281/data/a2.out b/LibreOJ/6281/data/a2.out
new file mode 100644
index 00000000..faaee966
--- /dev/null
+++ b/LibreOJ/6281/data/a2.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/LibreOJ/6281/data/a3.in b/LibreOJ/6281/data/a3.in
new file mode 100644
index 00000000..8f7a6467
--- /dev/null
+++ b/LibreOJ/6281/data/a3.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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diff --git a/LibreOJ/6281/data/a3.out b/LibreOJ/6281/data/a3.out
new file mode 100644
index 00000000..bd9afba0
--- /dev/null
+++ b/LibreOJ/6281/data/a3.out
@@ -0,0 +1,3 @@
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+size 11662
diff --git a/LibreOJ/6281/data/a4.in b/LibreOJ/6281/data/a4.in
new file mode 100644
index 00000000..67701cf7
--- /dev/null
+++ b/LibreOJ/6281/data/a4.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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new file mode 100644
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new file mode 100644
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--- /dev/null
+++ b/LibreOJ/6281/data/a5.in
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new file mode 100644
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diff --git a/LibreOJ/6281/data/a6.in b/LibreOJ/6281/data/a6.in
new file mode 100644
index 00000000..55b47108
--- /dev/null
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new file mode 100644
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new file mode 100644
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new file mode 100644
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--- /dev/null
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