From ecea56b0ac679e75a09a570d8e57f598eb7bea2f Mon Sep 17 00:00:00 2001
From: Baoshuo <i@baoshuo.ren>
Date: Tue, 9 Aug 2022 22:15:32 +0800
Subject: [PATCH] 1901.  Zju2112 Dynamic Rankings

https://hydro.ac/d/bzoj/record/62f26bdb3f8efa55416d1169
---
 BZOJ/1901/1901.cpp    | 126 ++++++++++++++++++++++++++++++++++++++++++
 BZOJ/1901/data/1.in   |   3 +
 BZOJ/1901/data/1.out  |   3 +
 BZOJ/1901/data/10.in  |   3 +
 BZOJ/1901/data/10.out |   3 +
 BZOJ/1901/data/2.in   |   3 +
 BZOJ/1901/data/2.out  |   3 +
 BZOJ/1901/data/3.in   |   3 +
 BZOJ/1901/data/3.out  |   3 +
 BZOJ/1901/data/4.in   |   3 +
 BZOJ/1901/data/4.out  |   3 +
 BZOJ/1901/data/5.in   |   3 +
 BZOJ/1901/data/5.out  |   3 +
 BZOJ/1901/data/6.in   |   3 +
 BZOJ/1901/data/6.out  |   3 +
 BZOJ/1901/data/7.in   |   3 +
 BZOJ/1901/data/7.out  |   3 +
 BZOJ/1901/data/8.in   |   3 +
 BZOJ/1901/data/8.out  |   3 +
 BZOJ/1901/data/9.in   |   3 +
 BZOJ/1901/data/9.out  |   3 +
 21 files changed, 186 insertions(+)
 create mode 100644 BZOJ/1901/1901.cpp
 create mode 100644 BZOJ/1901/data/1.in
 create mode 100644 BZOJ/1901/data/1.out
 create mode 100644 BZOJ/1901/data/10.in
 create mode 100644 BZOJ/1901/data/10.out
 create mode 100644 BZOJ/1901/data/2.in
 create mode 100644 BZOJ/1901/data/2.out
 create mode 100644 BZOJ/1901/data/3.in
 create mode 100644 BZOJ/1901/data/3.out
 create mode 100644 BZOJ/1901/data/4.in
 create mode 100644 BZOJ/1901/data/4.out
 create mode 100644 BZOJ/1901/data/5.in
 create mode 100644 BZOJ/1901/data/5.out
 create mode 100644 BZOJ/1901/data/6.in
 create mode 100644 BZOJ/1901/data/6.out
 create mode 100644 BZOJ/1901/data/7.in
 create mode 100644 BZOJ/1901/data/7.out
 create mode 100644 BZOJ/1901/data/8.in
 create mode 100644 BZOJ/1901/data/8.out
 create mode 100644 BZOJ/1901/data/9.in
 create mode 100644 BZOJ/1901/data/9.out

diff --git a/BZOJ/1901/1901.cpp b/BZOJ/1901/1901.cpp
new file mode 100644
index 00000000..dfc9b19f
--- /dev/null
+++ b/BZOJ/1901/1901.cpp
@@ -0,0 +1,126 @@
+#include <iostream>
+#include <cstring>
+#include <tuple>
+#include <vector>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+const int N = 1e5 + 5;
+
+int n, m, a[N], c[N], ans[N];
+
+inline int lowbit(int x) {
+    return x & -x;
+}
+
+inline void add(int x, int y) {
+    for (; x <= n; x += lowbit(x)) c[x] += y;
+}
+
+inline int sum(int x) {
+    int ret = 0;
+    for (; x > 0; x -= lowbit(x)) ret += c[x];
+    return ret;
+}
+
+void solve(int l, int r, const std::vector<std::tuple<char, int, int, int, int>>& q) {
+    if (q.empty()) return;
+
+    if (r - l == 1) {
+        for (const auto& x : q) {
+            if (std::get<0>(x) == 'Q') {
+                ans[std::get<4>(x)] = l;
+            }
+        }
+
+        return;
+    }
+
+    int mid = l + r >> 1;
+    std::vector<std::tuple<char, int, int, int, int>> left, right;
+
+    for (const auto& e : q) {
+        char op;
+        int x, y, z, id;
+
+        std::tie(op, x, y, z, id) = e;
+
+        if (op == 'Q') {
+            int k = sum(y) - sum(x - 1);
+
+            if (k >= z) {
+                left.push_back(e);
+            } else {
+                z -= k;
+                right.emplace_back(op, x, y, z, id);
+            }
+        } else {  // op == 'C'
+            if (y < mid) {
+                add(x, z);
+                left.push_back(e);
+            } else {
+                right.push_back(e);
+            }
+        }
+    }
+
+    for (const auto& e : left) {
+        char op;
+        int x, y, z, id;
+
+        std::tie(op, x, y, z, id) = e;
+
+        if (op == 'C') {
+            add(x, -z);
+        }
+    }
+
+    solve(l, mid, left);
+    solve(mid, r, right);
+}
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    memset(ans, 0xff, sizeof(ans));
+
+    cin >> n >> m;
+
+    std::vector<std::tuple<char, int, int, int, int>> q;
+
+    for (int i = 1; i <= n; i++) {
+        cin >> a[i];
+
+        q.emplace_back('C', i, a[i], 1, 0);
+    }
+
+    for (int i = 1; i <= m; i++) {
+        char op;
+        int x, y, z;
+
+        cin >> op >> x >> y;
+
+        if (op == 'Q') {
+            cin >> z;
+
+            q.emplace_back('Q', x, y, z, i);
+        } else {  // op == 'C'
+            q.emplace_back('C', x, a[x], -1, 0);
+            a[x] = y;
+            q.emplace_back('C', x, y, 1, 0);
+        }
+    }
+
+    solve(0, 1e9, q);
+
+    for (int i = 1; i <= m; i++) {
+        if (~ans[i]) {
+            cout << ans[i] << endl;
+        }
+    }
+
+    return 0;
+}
diff --git a/BZOJ/1901/data/1.in b/BZOJ/1901/data/1.in
new file mode 100644
index 00000000..56707e8d
--- /dev/null
+++ b/BZOJ/1901/data/1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
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+size 190452
diff --git a/BZOJ/1901/data/1.out b/BZOJ/1901/data/1.out
new file mode 100644
index 00000000..274d97e1
--- /dev/null
+++ b/BZOJ/1901/data/1.out
@@ -0,0 +1,3 @@
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+oid sha256:93a8c6b1e02f76ed2216f8a5b975bb741eed53882cd03abd21cd56effc5a4779
+size 41308
diff --git a/BZOJ/1901/data/10.in b/BZOJ/1901/data/10.in
new file mode 100644
index 00000000..04257c5a
--- /dev/null
+++ b/BZOJ/1901/data/10.in
@@ -0,0 +1,3 @@
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+oid sha256:283450ff6c459111f66a3f2899fa81014d69abed7aabbfe6635484f884365415
+size 99386
diff --git a/BZOJ/1901/data/10.out b/BZOJ/1901/data/10.out
new file mode 100644
index 00000000..f9962c52
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@@ -0,0 +1,3 @@
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diff --git a/BZOJ/1901/data/2.in b/BZOJ/1901/data/2.in
new file mode 100644
index 00000000..ec20c2fd
--- /dev/null
+++ b/BZOJ/1901/data/2.in
@@ -0,0 +1,3 @@
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+oid sha256:cadaaf68ab8419607b48170a4704b5ef4d64d325a4b8814b2ac8d708b79afa90
+size 13950
diff --git a/BZOJ/1901/data/2.out b/BZOJ/1901/data/2.out
new file mode 100644
index 00000000..89ae215b
--- /dev/null
+++ b/BZOJ/1901/data/2.out
@@ -0,0 +1,3 @@
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+oid sha256:252663c4536b1749c93197fc09cdb91e2b499fb99dc33d97100776c033ca8e27
+size 3555
diff --git a/BZOJ/1901/data/3.in b/BZOJ/1901/data/3.in
new file mode 100644
index 00000000..2a86b3a9
--- /dev/null
+++ b/BZOJ/1901/data/3.in
@@ -0,0 +1,3 @@
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+size 170358
diff --git a/BZOJ/1901/data/3.out b/BZOJ/1901/data/3.out
new file mode 100644
index 00000000..56c3d24f
--- /dev/null
+++ b/BZOJ/1901/data/3.out
@@ -0,0 +1,3 @@
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+oid sha256:230df33a2497dfc30f4ce91fe94e630c61cfe299757bc18fe8bd9fea3939f0c0
+size 43403
diff --git a/BZOJ/1901/data/4.in b/BZOJ/1901/data/4.in
new file mode 100644
index 00000000..ae2a8073
--- /dev/null
+++ b/BZOJ/1901/data/4.in
@@ -0,0 +1,3 @@
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diff --git a/BZOJ/1901/data/4.out b/BZOJ/1901/data/4.out
new file mode 100644
index 00000000..c1110fc6
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+++ b/BZOJ/1901/data/4.out
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diff --git a/BZOJ/1901/data/5.in b/BZOJ/1901/data/5.in
new file mode 100644
index 00000000..7382b294
--- /dev/null
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new file mode 100644
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new file mode 100644
index 00000000..2a0b36a2
--- /dev/null
+++ b/BZOJ/1901/data/6.in
@@ -0,0 +1,3 @@
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new file mode 100644
index 00000000..51e75f42
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new file mode 100644
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new file mode 100644
index 00000000..02fd63f9
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new file mode 100644
index 00000000..3a96337f
--- /dev/null
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new file mode 100644
index 00000000..1ba5db52
--- /dev/null
+++ b/BZOJ/1901/data/8.out
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new file mode 100644
index 00000000..930d6849
--- /dev/null
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new file mode 100644
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