template.cc

#include <bits/stdc++.h>
using namespace std;

#define debug(a) cerr << #a << " = " << (a) << endl;
#define fst first
#define snd second
#define sz(x) (int)(x).size()
#define mp(x, y) make_pair(x, y)
#define all(X) begin(X), end(X)
#define rall(X) rbegin(X), rend(X)

template<typename T, typename U> ostream& operator<<(ostream& o, const pair<T, U>& x) { o << "(" << x.fst << ", " << x.snd << ")"; return o; }
template<typename T> ostream& operator<<(ostream& o, const vector<T>& x) { o << "["; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "]"; return o; }
template<typename T> ostream& operator<<(ostream& o, const set<T>& x) { o << "{"; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "}"; return o; }
template<typename T> ostream& operator<<(ostream& o, const multiset<T>& x) { o << "{"; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "}"; return o; }
template<typename T> ostream& operator<<(ostream& o, const unordered_set<T>& x) { o << "{"; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "}"; return o; }
template<typename T> ostream& operator<<(ostream& o, const unordered_multiset<T>& x) { o << "{"; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "}"; return o; }
template<typename T, typename U> ostream& operator<<(ostream& o, const map<T, U>& x) { o << "{"; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "}"; return o; }
template<typename T, typename U> ostream& operator<<(ostream& o, const multimap<T, U>& x) { o << "{"; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "}"; return o; }
template<typename T, typename U> ostream& operator<<(ostream& o, const unordered_map<T, U>& x) { o << "{"; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "}"; return o; }
template<typename T, typename U> ostream& operator<<(ostream& o, const unordered_multimap<T, U>& x) { o << "{"; int b = 0; for (auto& a : x) o << (b++ ? ", " : "") << a; o << "}"; return o; }
double time() { return double(clock()) / CLOCKS_PER_SEC; }

int main() {
  ios::sync_with_stdio(0); cin.tie(0);
  int T; cin >> T;
  for (int C = 1; C <= T; C++) {

    int ans = 0;
    cout << "Case #" << C << ": " << ans << endl;
  }
}