From 69f6f57535936ecf031af1b6e5a45d7635561050 Mon Sep 17 00:00:00 2001
From: Baoshuo Ren <i@baoshuo.ren>
Date: Sun, 13 Feb 2022 08:08:42 +0800
Subject: [PATCH] =?UTF-8?q?[80pts]=20#1256.=20=E7=89=A7=E5=9C=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

https://sjzezoj.com/submission/49209
---
 S2OJ/1256/1256.cpp        | 154 ++++++++++++++++++++++++++++++++++++++
 S2OJ/1256/data/data1.in   |   3 +
 S2OJ/1256/data/data1.out  |   3 +
 S2OJ/1256/data/data10.in  |   3 +
 S2OJ/1256/data/data10.out |   3 +
 S2OJ/1256/data/data2.in   |   3 +
 S2OJ/1256/data/data2.out  |   3 +
 S2OJ/1256/data/data3.in   |   3 +
 S2OJ/1256/data/data3.out  |   3 +
 S2OJ/1256/data/data4.in   |   3 +
 S2OJ/1256/data/data4.out  |   3 +
 S2OJ/1256/data/data5.in   |   3 +
 S2OJ/1256/data/data5.out  |   3 +
 S2OJ/1256/data/data6.in   |   3 +
 S2OJ/1256/data/data6.out  |   3 +
 S2OJ/1256/data/data7.in   |   3 +
 S2OJ/1256/data/data7.out  |   3 +
 S2OJ/1256/data/data8.in   |   3 +
 S2OJ/1256/data/data8.out  |   3 +
 S2OJ/1256/data/data9.in   |   3 +
 S2OJ/1256/data/data9.out  |   3 +
 21 files changed, 214 insertions(+)
 create mode 100644 S2OJ/1256/1256.cpp
 create mode 100644 S2OJ/1256/data/data1.in
 create mode 100644 S2OJ/1256/data/data1.out
 create mode 100644 S2OJ/1256/data/data10.in
 create mode 100644 S2OJ/1256/data/data10.out
 create mode 100644 S2OJ/1256/data/data2.in
 create mode 100644 S2OJ/1256/data/data2.out
 create mode 100644 S2OJ/1256/data/data3.in
 create mode 100644 S2OJ/1256/data/data3.out
 create mode 100644 S2OJ/1256/data/data4.in
 create mode 100644 S2OJ/1256/data/data4.out
 create mode 100644 S2OJ/1256/data/data5.in
 create mode 100644 S2OJ/1256/data/data5.out
 create mode 100644 S2OJ/1256/data/data6.in
 create mode 100644 S2OJ/1256/data/data6.out
 create mode 100644 S2OJ/1256/data/data7.in
 create mode 100644 S2OJ/1256/data/data7.out
 create mode 100644 S2OJ/1256/data/data8.in
 create mode 100644 S2OJ/1256/data/data8.out
 create mode 100644 S2OJ/1256/data/data9.in
 create mode 100644 S2OJ/1256/data/data9.out

diff --git a/S2OJ/1256/1256.cpp b/S2OJ/1256/1256.cpp
new file mode 100644
index 00000000..9dded47c
--- /dev/null
+++ b/S2OJ/1256/1256.cpp
@@ -0,0 +1,154 @@
+#pragma GCC optimize(3)
+#pragma GCC target("avx")
+#pragma GCC optimize("Ofast")
+#pragma GCC optimize("inline")
+#pragma GCC optimize("-fgcse")
+#pragma GCC optimize("-fgcse-lm")
+#pragma GCC optimize("-fipa-sra")
+#pragma GCC optimize("-ftree-pre")
+#pragma GCC optimize("-ftree-vrp")
+#pragma GCC optimize("-fpeephole2")
+#pragma GCC optimize("-ffast-math")
+#pragma GCC optimize("-fsched-spec")
+#pragma GCC optimize("unroll-loops")
+#pragma GCC optimize("-falign-jumps")
+#pragma GCC optimize("-falign-loops")
+#pragma GCC optimize("-falign-labels")
+#pragma GCC optimize("-fdevirtualize")
+#pragma GCC optimize("-fcaller-saves")
+#pragma GCC optimize("-fcrossjumping")
+#pragma GCC optimize("-fthread-jumps")
+#pragma GCC optimize("-funroll-loops")
+#pragma GCC optimize("-fwhole-program")
+#pragma GCC optimize("-freorder-blocks")
+#pragma GCC optimize("-fschedule-insns")
+#pragma GCC optimize("inline-functions")
+#pragma GCC optimize("-ftree-tail-merge")
+#pragma GCC optimize("-fschedule-insns2")
+#pragma GCC optimize("-fstrict-aliasing")
+#pragma GCC optimize("-fstrict-overflow")
+#pragma GCC optimize("-falign-functions")
+#pragma GCC optimize("-fcse-skip-blocks")
+#pragma GCC optimize("-fcse-follow-jumps")
+#pragma GCC optimize("-fsched-interblock")
+#pragma GCC optimize("-fpartial-inlining")
+#pragma GCC optimize("no-stack-protector")
+#pragma GCC optimize("-freorder-functions")
+#pragma GCC optimize("-findirect-inlining")
+#pragma GCC optimize("-fhoist-adjacent-loads")
+#pragma GCC optimize("-frerun-cse-after-loop")
+#pragma GCC optimize("inline-small-functions")
+#pragma GCC optimize("-finline-small-functions")
+#pragma GCC optimize("-ftree-switch-conversion")
+#pragma GCC optimize("-foptimize-sibling-calls")
+#pragma GCC optimize("-fexpensive-optimizations")
+#pragma GCC optimize("-funsafe-loop-optimizations")
+#pragma GCC optimize("inline-functions-called-once")
+#pragma GCC optimize("-fdelete-null-pointer-checks")
+
+#include <algorithm>
+#include <cmath>
+#include <cstdio>
+#include <vector>
+
+const int N = 2e5 + 5;
+
+int n;
+long long ans;
+std::vector<int> ys;
+
+struct segment {
+    int x, y1, y2, k;
+
+    segment()
+        : x(0), y1(0), y2(0), k(0) {}
+    segment(int _x, int _y1, int _y2, int _k)
+        : x(_x), y1(_y1), y2(_y2), k(_k) {}
+
+    bool operator<(const segment& b) const {
+        return x == b.x ? k > b.k : x < b.x;
+    }
+} seg[N << 1];
+
+struct rectangle {
+    int x1, y1, x2, y2;
+} q[N];
+
+struct node {
+    int l, r;
+    long long cnt, len;
+
+    node()
+        : l(0), r(0), cnt(0), len(0) {}
+    node(int _l, int _r)
+        : l(_l), r(_r), cnt(0), len(0) {}
+} tr[N << 3];
+
+inline int find(int y) {
+    return std::lower_bound(ys.begin(), ys.end(), y) - ys.begin();
+}
+
+inline void pushup(int u) {
+    if (tr[u].cnt) {
+        tr[u].len = ys[tr[u].r + 1] - ys[tr[u].l];
+    } else if (tr[u].l != tr[u].r) {
+        tr[u].len = tr[u << 1].len + tr[u << 1 | 1].len;
+    } else {
+        tr[u].len = 0;
+    }
+}
+
+void build(int u, int l, int r) {
+    tr[u] = node(l, r);
+    if (l == r) return;
+    int mid = l + r >> 1;
+    build(u << 1, l, mid);
+    build(u << 1 | 1, mid + 1, r);
+}
+
+void modify(int u, int l, int r, int x) {
+    if (l <= tr[u].l && tr[u].r <= r) {
+        tr[u].cnt += x;
+    } else {
+        int mid = tr[u].l + tr[u].r >> 1;
+        if (l <= mid) modify(u << 1, l, r, x);
+        if (r > mid) modify(u << 1 | 1, l, r, x);
+    }
+    pushup(u);
+}
+
+void solve() {
+    std::sort(ys.begin(), ys.end());
+    std::sort(seg, seg + n * 2);
+    ys.erase(std::unique(ys.begin(), ys.end()), ys.end());
+    build(1, 0, ys.size() - 2);
+    for (int i = 0; i < n * 2; i++) {
+        int last = tr[1].len;
+        modify(1, find(seg[i].y1), find(seg[i].y2) - 1, seg[i].k);
+        ans += abs(tr[1].len - last);
+    }
+    ys.clear();
+}
+
+int main() {
+    scanf("%d", &n);
+    for (int i = 0; i < n; i++) {
+        scanf("%d%d%d%d", &q[i].x1, &q[i].y1, &q[i].x2, &q[i].y2);
+    }
+    for (int i = 0, j = 0; i < n; i++) {
+        seg[j++] = segment(q[i].x1, q[i].y1, q[i].y2, 1);
+        seg[j++] = segment(q[i].x2, q[i].y1, q[i].y2, -1);
+        ys.push_back(q[i].y1);
+        ys.push_back(q[i].y2);
+    }
+    solve();
+    for (int i = 0, j = 0; i < n; i++) {
+        seg[j++] = segment(q[i].y1, q[i].x1, q[i].x2, 1);
+        seg[j++] = segment(q[i].y2, q[i].x1, q[i].x2, -1);
+        ys.push_back(q[i].x1);
+        ys.push_back(q[i].x2);
+    }
+    solve();
+    printf("%lld\n", ans);
+    return 0;
+}
diff --git a/S2OJ/1256/data/data1.in b/S2OJ/1256/data/data1.in
new file mode 100644
index 00000000..505a1619
--- /dev/null
+++ b/S2OJ/1256/data/data1.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:605e20e26b88d5304fd55498f2cd94bd409d23a349fa2dc9c17b7e252a1ce73a
+size 30
diff --git a/S2OJ/1256/data/data1.out b/S2OJ/1256/data/data1.out
new file mode 100644
index 00000000..654a9104
--- /dev/null
+++ b/S2OJ/1256/data/data1.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fa108d8b7635c8eb6a8729dc98c3af9a6f410c72efe9ebf88f02fa9dcce1898d
+size 7
diff --git a/S2OJ/1256/data/data10.in b/S2OJ/1256/data/data10.in
new file mode 100644
index 00000000..a5e2b454
--- /dev/null
+++ b/S2OJ/1256/data/data10.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:93d013f8fac98b644c726572572fcc1238b3a0b30c2773a9d9883014e623bd0a
+size 831992
diff --git a/S2OJ/1256/data/data10.out b/S2OJ/1256/data/data10.out
new file mode 100644
index 00000000..c0305aa8
--- /dev/null
+++ b/S2OJ/1256/data/data10.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c3e6dbba9def26c6c11257508d6f4bf196fa1025007ebf1fce1ff4257a1a1dd6
+size 6
diff --git a/S2OJ/1256/data/data2.in b/S2OJ/1256/data/data2.in
new file mode 100644
index 00000000..0967504f
--- /dev/null
+++ b/S2OJ/1256/data/data2.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:735b72c4bb8419b89c9040568fa8b12d9c640cf378a918930184173e9189a450
+size 1329396
diff --git a/S2OJ/1256/data/data2.out b/S2OJ/1256/data/data2.out
new file mode 100644
index 00000000..357caf30
--- /dev/null
+++ b/S2OJ/1256/data/data2.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6afbba368913bb522dcdaaa459b6fb662bc24abacb1949e8f06effbdcb769326
+size 8
diff --git a/S2OJ/1256/data/data3.in b/S2OJ/1256/data/data3.in
new file mode 100644
index 00000000..7798639f
--- /dev/null
+++ b/S2OJ/1256/data/data3.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:552f26b7bb22f11472966f19b70156b6f84b7c94efacda991849964cfb7f0e5f
+size 5317884
diff --git a/S2OJ/1256/data/data3.out b/S2OJ/1256/data/data3.out
new file mode 100644
index 00000000..b12bc05f
--- /dev/null
+++ b/S2OJ/1256/data/data3.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:63afa5bc20592e4977e903570096378b7e51129cc49ff6ebb3c59f0fadf5e03a
+size 8
diff --git a/S2OJ/1256/data/data4.in b/S2OJ/1256/data/data4.in
new file mode 100644
index 00000000..289f70f9
--- /dev/null
+++ b/S2OJ/1256/data/data4.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3ab79b1c2d073d9bfbd7fa87564f18884ef477c51b10000d395872b3a9d6f398
+size 23
diff --git a/S2OJ/1256/data/data4.out b/S2OJ/1256/data/data4.out
new file mode 100644
index 00000000..a4d51d64
--- /dev/null
+++ b/S2OJ/1256/data/data4.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b7a33ec2d3fa6748259d5a72ed976b7308fa7355fd99818bc0dc12fece595277
+size 4
diff --git a/S2OJ/1256/data/data5.in b/S2OJ/1256/data/data5.in
new file mode 100644
index 00000000..ec3736c1
--- /dev/null
+++ b/S2OJ/1256/data/data5.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7b23e8d5a816485b054ebd690083ef8c03b20594b27ce786b01f885fb864dd14
+size 270
diff --git a/S2OJ/1256/data/data5.out b/S2OJ/1256/data/data5.out
new file mode 100644
index 00000000..782152e7
--- /dev/null
+++ b/S2OJ/1256/data/data5.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a0607b67fc074bbafc2cd17cfc7deec6df70d0658c62c03174dadf9184416309
+size 8
diff --git a/S2OJ/1256/data/data6.in b/S2OJ/1256/data/data6.in
new file mode 100644
index 00000000..89c365ab
--- /dev/null
+++ b/S2OJ/1256/data/data6.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:55ba35365f40c37510f4be52509e3f2db65b6cc97878bef64bdac35661814949
+size 1676
diff --git a/S2OJ/1256/data/data6.out b/S2OJ/1256/data/data6.out
new file mode 100644
index 00000000..12274597
--- /dev/null
+++ b/S2OJ/1256/data/data6.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dd90834b6094e59435f119721b87ee4dd950bd7dc3dd63c967bafc1a487349a3
+size 7
diff --git a/S2OJ/1256/data/data7.in b/S2OJ/1256/data/data7.in
new file mode 100644
index 00000000..8b42937e
--- /dev/null
+++ b/S2OJ/1256/data/data7.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a8f786924b292bf956fcea4cc544177dfcf29970747f09d44df764562c4a171
+size 33252
diff --git a/S2OJ/1256/data/data7.out b/S2OJ/1256/data/data7.out
new file mode 100644
index 00000000..e0761da9
--- /dev/null
+++ b/S2OJ/1256/data/data7.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c2f7381fda4120a7eec8b5b60d09715d79e32bb78f4671a225ab9d7d10b2bf0b
+size 6
diff --git a/S2OJ/1256/data/data8.in b/S2OJ/1256/data/data8.in
new file mode 100644
index 00000000..6317e305
--- /dev/null
+++ b/S2OJ/1256/data/data8.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69328d98d73d11b5a7517bc57489f37ea3e4b2ee90f3fa4b1892047fc4a85579
+size 53071
diff --git a/S2OJ/1256/data/data8.out b/S2OJ/1256/data/data8.out
new file mode 100644
index 00000000..f4d6262c
--- /dev/null
+++ b/S2OJ/1256/data/data8.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c3f3d5ea71f33b42b68ccbf7186cd8d5db06fc999652c8134014369386cd6db2
+size 10
diff --git a/S2OJ/1256/data/data9.in b/S2OJ/1256/data/data9.in
new file mode 100644
index 00000000..848f2a4e
--- /dev/null
+++ b/S2OJ/1256/data/data9.in
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c87e70f33804a3741999c2f2c24853d8796fd15b0b07795eafc8622d39f33a57
+size 132952
diff --git a/S2OJ/1256/data/data9.out b/S2OJ/1256/data/data9.out
new file mode 100644
index 00000000..fa2a2584
--- /dev/null
+++ b/S2OJ/1256/data/data9.out
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed40c789ce92daa1a6d26d0cff0dd96891a7850c1c992b74fe0cb9cc77e87e7a
+size 9