1178C - Tiles - CodeForces Solution


combinatorics greedy math *1300

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Python Code:

print(pow(2, sum(map(int, input().split())), 998244353))

C++ Code:

#include<bits/stdc++.h>
using namespace std;
long long mod = 998244353;

long long power(long long a, long long n)
{
    if(n == 0)
        return 1;
    if(n%2 == 0)
    {
        long long x = power(a, n / 2);
        return ((x % mod) * (x % mod)) % mod;
    }
    else
    {
        long long x = power(a, n / 2);
        return ((x*x)%mod*(a%mod))%mod;
    }
}

 

int main()
{
    long long h, w;
    cin >> h >> w;
    
    long long ans = power(2, h + w);
    cout << ans << endl;
}
  		  	  	  		   								     	


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