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Update bit.cpp

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John Law 2019-10-09 00:02:29 +08:00 committed by GitHub
parent 883d9dc3a4
commit dba806ca60
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1 changed files with 3 additions and 3 deletions
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6
Range queries/bit.cpp
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@ -6,7 +6,7 @@ using namespace std;
class Bit
{
int n;
vector < int > bit;
vector<int> bit;
inline int offset(int x)
{
return (x & (-x));
@ -14,7 +14,7 @@ class Bit
public:
Bit(vector < int > & arr)
Bit(vector<int>& arr)
{
n = arr.size();
bit.assign(n + 1, 0);
@ -62,7 +62,7 @@ class Bit
int main()
{
int n = 5;
vector <int> arr = { 1, 2, 3, 4, 5 };
vector<int> arr = { 1, 2, 3, 4, 5 };
Bit x(arr);
assert(x.sum_range(0, 0) == 1);