ACM 294. [NOI2000] 青蛙過河(遞推)

#include <iostream> #include <cstdio> using namespace std; int main() { freopen("frog.in","r",stdin); freopen("frog.out","w",stdout); int n,m; cin>>n>>m; cout<<(m+1)*(1<<n)<<endl; return 0;

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