Tag: problem: (B) Karen and Test Solve In C/C++

Codeforces Round #419 (Div. 1), problem: (B) Karen and Test Solution In C/C++

#include <cstdio> #include <iostream> #include <cstring> #include <cstdlib> using namespace std; #define ll long long const int N=200010; const ll M=1000000007ll; ll n,a,e,re; ll suan(ll x,ll...

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