Removed some empty *.cpp files and Solved some new problems

1 files changed, 0 insertions, 174 deletions

diff --git a/contests/Round859(Div4)/D/main.cpp b/contests/Round859(Div4)/D/main.cpp
deleted file mode 100755
index 62f9db4..0000000
--- a/contests/Round859(Div4)/D/main.cpp
+++ /dev/null
@@ -1,174 +0,0 @@
-#include<bits/stdc++.h>
-using namespace std;
-
-using ll = long long;
-using pii = pair<int, int>;
-using vpi = vector<pii>;
-using vi = vector<int>;
-using vll = vector<long long>;
-using mpii = map<int, int>;
-using mpll = map<ll, ll>;
-using db = long double;
-
-#define pb push_back 
-#define all(x) (x).begin(), (x).end()
-#define rall(x) (x).rbegin(), (x).rend()
-#define lb lower_bound
-#define ub upper_bound
-#define make_unique(x) sort(all((x))); (x).resize(unique(all((x))) - (x).begin())
-#define ceil(a, b) ((a) + (b) - 1) / (b))
-
-const int MOD = (int)1e9 + 7;
-const db PI = acos((db)-1);
-const int dx[4]{1, 0, -1, 0};
-const int dy[4]{0, 1, 0, -1};
-
-template<typename K, typename V> ostream& operator<<(ostream& os, const pair<K, V>& p);
-template<typename T> ostream& operator<<(ostream& os, const vector<T>& vec);
-template<typename K, typename V> ostream& operator<<(ostream& os, const map<K, V>& m);
-template<typename K, typename V> ostream& operator<<(ostream& os, const unordered_map<K, V>& m);
-template<typename T> ostream& operator<<(ostream& os, const set<T>& s);
-template<typename T> ostream& operator<<(ostream& os, const unordered_set<T>& s);
-
-template<typename K, typename V>
-ostream& operator<<(ostream& os, const pair<K, V>& p) {
-  os << "(" << p.first << ", " << p.second << ")";
-  return os;
-}
-
-template<typename T>
-ostream& operator<<(ostream& os, const vector<T>& vec) {
-  os << "{";
-  for (size_t i = 0; i < vec.size(); ++i) {
-    if (i > 0) os << ", ";
-    os << vec[i];
-  }
-  os << "}";
-  return os;
-}
-
-
-template<typename K, typename V>
-ostream& operator<<(ostream& os, const map<K, V>& m) {
-  os << "{";
-  for (const auto& p : m) {
-    os << p.first << ": " << p.second << ", ";
-  }
-  os << "}";
-  return os;
-}
-
-template<typename K, typename V>
-ostream& operator<<(ostream& os, const unordered_map<K, V>& m) {
-  os << "{";
-  for (const auto& p : m) {
-    os << p.first << ": " << p.second << ", ";
-  }
-  os << "}";
-  return os;
-}
-
-template<typename T>
-ostream& operator<<(ostream& os, const set<T>& s) {
-  int i = 0;
-  os << "{";
-  for (const auto& e : s) {
-    if (i > 0) os << ", ";
-    os << e;
-    i++;
-  }
-  os << "}";
-  return os;
-}
-
-template<typename T>
-ostream& operator<<(ostream& os, const unordered_set<T>& s) {
-  int i = 0;
-  os << "{";
-  for (const auto& e : s) {
-    if (i > 0) os << ", ";
-    os << e;
-    i++;
-  }
-  os << "}";
-  return os;
-}
-
-void print() {
-  cerr << "\n";
-}
-
-template<typename T, typename... TS>
-void print(T val, TS... vals) {
-  cerr << val << " ";
-  print(vals...);
-}
-
-
-
-/* stuff you should look for:
-  ---------------------------
-   * special cases (n=1?)
-   * int overflow, array bounds
-   * do smth instead of nothing and stay organized
-   * WRITE STUFF DOWN
-   * DON'T GET STUCK ON ONE APPROACH
- */
-
-void solve() {
-  int n, q;
-  cin >> n >> q;
-  vi v(n);
-  vi odd(n);
-  for (auto &x : v) {
-    cin >> x;
-  }
-  odd[0] = (v[0] & 1);
-  for (int i = 1; i < n; i++) {
-    odd[i] = odd[i - 1] + (v[i] & 1);
-  }
-  int o = odd[odd.size() - 1];
-  for (int i = 0; i < q; i++) {
-    int l, r, k;
-    cin >> l >> r >> k;
-    if (k & 1) {
-      int oddsInRange = odd[r - 1];
-      if (l - 2 >= 0) {
-        oddsInRange = odd[r - 1] - odd[l - 2];
-      } 
-      int noElements = r - l + 1;
-      int newOdds = o + (noElements - oddsInRange);
-      if (newOdds & 1) {
-        cout << "YES\n";
-      } else {
-        cout << "NO\n";
-      }
-    } else {
-      int oddsInRange = odd[r - 1];
-      if (l - 2 >= 0) {
-        oddsInRange = odd[r - 1] - odd[l - 2];
-      } 
-      int noElements = r - l + 1;
-      int newOdds = o - oddsInRange;
-      if (newOdds & 1) {
-        cout << "YES\n";
-      } else {
-        cout << "NO\n";
-      }
-    }
-  }
-
-
-}
-
-int main () {
-  ios_base::sync_with_stdio(false);
-  cin.tie(NULL);
-  int tt;
-  cin >> tt;
-  while(tt--) {
-    solve();
-  }
-}
-
-