-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy path45.cpp
More file actions
53 lines (42 loc) · 775 Bytes
/
Copy path45.cpp
File metadata and controls
53 lines (42 loc) · 775 Bytes
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
#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
using namespace std;
long reverse(long x) {
long result = 0;
while (x > 0) {
result *= 10;
result += (x % 10);
x /= 10;
}
return result;
}
bool isPalindrome(long x) {
vector<int> v;
v.clear();
while (x > 0) {
v.push_back(x%10);
x /= 10;
}
for (unsigned int i = 0; i < v.size()/2; i++) {
if (v[i] != v[v.size()- i - 1])
return false;
}
return true;
}
int main(int argc, char** argv) {
ifstream file;
file.open(argv[1]);
while (file.good()) {
long num;
file >> num;
int count = 0;
while (!isPalindrome(num)) {
count++;
num = num + reverse(num);
}
cout << count << " " << num << "\n";
}
return 0;
}