Tag: problem: (D) Red-Black Cobweb Solution In C/C++

Codeforces Round #426 (Div. 1), problem: (D) Red-Black Cobweb Solution In C/C++

#include <iostream> #include <cstring> #include <cstdio> #include <cmath> #include <algorithm> #define maxn 100005 #define mod 1000000007 #define ll long long using namespace std; ll ksm(ll a,...

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