Created
November 11, 2017 14:20
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#include <bits/stdc++.h> | |
using namespace std; | |
#define int long long | |
#define FOR(i, j, k) for(int i = j; i < k; ++i) | |
#define rep(i, j) FOR(i, 0, j) | |
#define INF (1 << 30) | |
#define fi first | |
#define se second | |
typedef unsigned long long ull; | |
typedef pair<int, int> P; | |
typedef pair<P, int> Pi; | |
typedef pair<P, P> PP; | |
const int MOD = 1e9 + 7; | |
const int dy[]={0, 0, 1, -1}; | |
const int dx[]={1, -1, 0, 0}; | |
template <class T> void chmin(T& a, const T& b) { a = min(a, b); } | |
template <class T> void chmax(T& a, const T& b) { a = max(a, b); } | |
signed main() { | |
cin.tie(0); | |
ios::sync_with_stdio(false); | |
int n, m; | |
cin >> n >> m; | |
cout << 100 * (n - m) * pow(2, m) + 1900 * m * pow(2, m) << endl; | |
return 0; | |
} |
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