VSCode Snippets

cp_tpl.json

{
  "CP Template": {
    "prefix": "cpt",
    "body": [
      "#include <bits/stdc++.h>",
      "using namespace std;",
      "/*----------------------------------------------------------------------------*/",
      "#define ff first",
      "#define ss second",
      "using ll = long long;",
      "using ld = long double;",
      "const char nl = '\\n';",
      "using vi = vector<int>;",
      "using vll = vector<ll>;",
      "using pll = pair<ll, ll>;",
      "using ppll = pair<pll, pll>;",
      "#define mkp make_pair",
      "#define all(x) std::begin(x), std::end(x)",
      "#define ign cin.ignore(1000, '\\n')",
      "mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());",
      "template <typename... Args, template <typename...> typename T>",
      "string to_string(T<Args...> const &);",
      "string to_string(string const &s) { return '\"' + s + '\"'; }",
      "string to_string(char const &c) { return to_string(string(1, c)); }",
      "string to_string(char const *c) { return to_string(string(c)); }",
      "string to_string(bool const &b) { return (b ? \"T\" : \"F\"); }",
      "template <typename... Args>",
      "string to_string(pair<Args...> const &p) {",
      "  return \"(\" + to_string(p.first) + \", \" + to_string(p.second) + \")\";",
      "}",
      "template <typename... Args, template <typename...> typename T>",
      "string to_string(T<Args...> const &S) {",
      "  string s = \"{\";",
      "  for (auto const &e : S) s += \" \" + to_string(e);",
      "  s += \" }\";",
      "  return s;",
      "}",
      "template <typename Tail>",
      "void debug_out(Tail t) {",
      "  cout << \"[ \" << to_string(t) << \" ]\" << endl;",
      "}",
      "template <typename Head, typename... Tail>",
      "void debug_out(Head h, Tail... t) {",
      "  cout << \" \" << to_string(h) << \",\";",
      "  debug_out(t...);",
      "}",
      "#define pr(...) cout << \"[\" << (#__VA_ARGS__) << \"] : [\", debug_out(__VA_ARGS__)",
      "template <typename T>",
      "void dbr(T lb, T ub) {",
      "  cout << '{';",
      "  for (auto it = lb; it != ub; it++) cout << ' ' << to_string(*it);",
      "  cout << \" }\" << endl;",
      "}",
      "template <typename T, typename Comp = less<T>>",
      "bool smin(T &mem, T const &v, Comp const &cmp = Comp()) {",
      "  return cmp(v, mem) ? mem = v, true : false;",
      "}",
      "template <typename T, typename Comp = less<T>>",
      "bool smax(T &mem, T const &v, Comp const &cmp = Comp()) {",
      "  return cmp(mem, v) ? mem = v, true : false;",
      "}",
      "const string getEnvVar(string const &key) {",
      "  char *val = getenv(key.c_str());",
      "  return val == NULL ? string(\"\") : string(val);",
      "}",
      "vector<string> splitString(const string &str, const string &delim = \" \") {",
      "  vector<string> tokens;",
      "  size_t prev = 0, pos = 0;",
      "  do {",
      "    pos = str.find(delim, prev);",
      "    if (pos == string::npos) pos = str.length();",
      "    string token = str.substr(prev, pos - prev);",
      "    if (!token.empty()) tokens.push_back(token);",
      "    prev = pos + delim.length();",
      "  } while (pos < str.length() && prev < str.length());",
      "  return tokens;",
      "}",
      "void header() {",
      "  const string cfiopath = getEnvVar(\"AZ_IO_PATH\");",
      "  if (!cfiopath.empty()) {",
      "    // local dev",
      "    const string ipath = cfiopath + \"/input.log\";",
      "    const string opath = cfiopath + \"/output.log\";",
      "    freopen(ipath.c_str(), \"r\", stdin);",
      "    // freopen(opath.c_str(), \"w\", stdout);",
      "  }",
      "  ios::sync_with_stdio(false);",
      "  cin.tie(nullptr);",
      "}",
      "/*----------------------------------------------------------------------------*/",
      "void solve() {",
      "  ",
      "}",
      "",
      "int main() {",
      "  header();",
      "  ll t;",
      "  cin >> t;",
      "  while (t--)",
      "  solve();",
      "}",
      ""
    ],
    "description": "CP Template"
  }
}