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| #include <bits/stdc++.h> | |
| using namespace std; | |
| //vrum vrum | |
| #define fast_io ios_base::sync_with_stdio(0); cin.tie(0); | |
| //constants | |
| #define endl "\n" | |
| #define PI 3.1415926535897932384626433832795 | |
| #define MOD 1000000007 | |
| #define exp 1e9 | |
| #define imax INT_MAX |