From 807a3c7b35f64d6dc523d8831ed8bc5a6978b0c9 Mon Sep 17 00:00:00 2001
From: "Mr. Python" <2789762371@qq.com>
Date: Sat, 12 Oct 2024 18:40:10 +0800
Subject: [PATCH] fix bugs for lazy_segment_tree and it's test

---
 .github/workflows/testLibrary.yml                          | 2 +-
 library/makefile                                           | 2 +-
 library/mrpython/lazy_segment_tree.hpp                     | 1 +
 .../test/lazy_segment_tree/lazy_segment_tree_add_add.cpp   | 7 ++++---
 4 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/testLibrary.yml b/.github/workflows/testLibrary.yml
index 308eb32..9906b5e 100644
--- a/.github/workflows/testLibrary.yml
+++ b/.github/workflows/testLibrary.yml
@@ -30,4 +30,4 @@ jobs:
       - name: Test
         run: |
           cd library
-          ./test.exe --gtest_repeat=8
+          ./test.exe --gtest_repeat=20
diff --git a/library/makefile b/library/makefile
index 59a392d..1083766 100644
--- a/library/makefile
+++ b/library/makefile
@@ -2,7 +2,7 @@ STDCXX ?= c++14
 
 CXX ?= g++
 
-CXXFLAGS = -Wall -Wextra -g -I. -MMD -std=$(STDCXX)
+CXXFLAGS = -Wall -Wextra -g -I. -MMD -std=$(STDCXX) -O2
 
 TARGET = test.exe
 
diff --git a/library/mrpython/lazy_segment_tree.hpp b/library/mrpython/lazy_segment_tree.hpp
index 3ec4c3f..25b471d 100644
--- a/library/mrpython/lazy_segment_tree.hpp
+++ b/library/mrpython/lazy_segment_tree.hpp
@@ -103,6 +103,7 @@ class lazy_segment_tree {
         n(len),
         lazyInit(lazyInitVal),
         mergeData(mergeDataFun),
+        operate(OperateFun),
         mergeLazy(mergeTagFun) {
     build();
   }
diff --git a/library/test/lazy_segment_tree/lazy_segment_tree_add_add.cpp b/library/test/lazy_segment_tree/lazy_segment_tree_add_add.cpp
index 72923b4..eaa0e95 100644
--- a/library/test/lazy_segment_tree/lazy_segment_tree_add_add.cpp
+++ b/library/test/lazy_segment_tree/lazy_segment_tree_add_add.cpp
@@ -19,12 +19,13 @@ TEST(lazy_segment_tree, add) {
     if (l > r) std::swap(l, r);
     assert(l < r + 1);
     if (operator_dist(gen)) {
-      int ans = std::accumulate(a.begin() + l, a.begin() + r + 1, (unsigned)0);
+      unsigned ans =
+          std::accumulate(a.begin() + l, a.begin() + r + 1, (unsigned)0);
       EXPECT_EQ(tree.get(l, r + 1), ans);
     } else {
       unsigned value = val_dist(gen);
-      for (std::size_t i = l; i < r; ++i) a[i] += value;
-      tree.set(l, r, value);
+      for (std::size_t i = l; i < r + 1; ++i) a[i] += value;
+      tree.set(l, r + 1, value);
     }
   }
 }
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