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#include <iostream> #include <fstream> #include <algorithm> #include <set> using namespace std; typedef long long ll; void f(ll n) { set<ll> st; for(ll i = 0; i <= n; i++) { for(ll j = 0; j <= n; j++) { for(ll x = 0; x <= n; x++) { for(ll y = 0; y <= n; y++) { if(i + j + x + y == n) { st.insert(1 * i + 5 * j + 10 * x + 50 * y); } } } } } cout << (int) st.size() << endl; } int main() { ios_base::sync_with_stdio(false); int n; cin >> n; if(n <= 50) { f(n); return 0; } ll result = 2203; int c = 50; while(c + 1 <= n) { c++; result += 49; } cout << result << endl; return 0; }
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