-
Notifications
You must be signed in to change notification settings - Fork 2
Expand file tree
/
Copy pathmain.cxx
More file actions
72 lines (57 loc) · 1.01 KB
/
main.cxx
File metadata and controls
72 lines (57 loc) · 1.01 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
#include <bits/stdc++.h>
#include <gtest/gtest.h>
using namespace std;
class Solution {
public:
int rangeBitwiseAnd(int m, int n) {
if (m < n) {
swap(m, n);
}
int delta = m - n;
if (delta == 0) return m;
if (wei(m) != wei(n)) return 0;
int M = m;
while (n < M) {
m &= n;
n++;
}
return m;
}
private:
int wei(int n) {
if (n == 0) return 0;
int w = 0;
while (n > 0) {
n >>= 1;
w++;
}
return w;
}
};
class Solution_2 {
public:
int rangeBitwiseAnd(int m, int n) {
int shift = 0;
while(m < n){
m =>> 1;
n =>> 1;
shift++;
}
return m << shift;
}
};
struct T {
};
TEST(Solution, test) {
T ts[] = {
{
},
};
Solution solution;
for (T t : ts) {
}
}
int main() {
testing::InitGoogleTest();
return RUN_ALL_TESTS();
}