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

19 files changed, 0 insertions, 250 deletions

diff --git a/contests/Round#853/B/\ b/contests/Round#853/B/\
deleted file mode 100644
index 499f739..0000000
--- a/contests/Round#853/B/\
+++ /dev/null
@@ -1,105 +0,0 @@
-#include <bits/stdc++.h>
-using namespace std;
-
-using ll = long long;
-using pi = pair<int, int>;
-using vpi = vector<pi>;
-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
-
-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};
-
-// pretty printing
-template <typename K, typename V> void printm(const map<K, V> &mp) {
-  cerr << "{" << endl;
-  for (auto p : mp) {
-    cerr << "  { " << p.first << " : " << p.second << " }\n";
-  }
-  cerr << "}" << endl;
-}
-template <typename T> void printv(const vector<T> &v) {
-  cerr << "[";
-  for (int i = 0; i < v.size(); i++) {
-    if (i == v.size() - 1) {
-      cerr << v[i];
-    } else {
-      cerr << v[i] << ", ";
-    }
-  }
-  cerr << "]\n";
-}
-
-template <typename T> void printvv(const vector<vector<T>> &v) {
-  cerr << "[\n";
-  for (auto &vec : v) {
-    cout << "  ";
-    printv(vec);
-  }
-  cerr << "]\n";
-}
-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
- */
-
-bool isPalindrome(string &s) { return string(all(s)) == string(rall(s)); }
-
-void solve() {
-  int n;
-  cin >> n;
-  string s;
-  cin >> s;
-  if (isPalindrome(s)) {
-    cout << "Yes" << '\n';
-  } else {
-    vector<bool> pal(n);
-    if (n & 1)
-      pal[n / 2] = 1;
-    for (int i = 0; i < n / 2; i++) {
-      pal[i] = pal[n - i - 1] = s[i] == s[n - i - 1];
-    }
-    pal.erase(unique(all(pal)));
-    // string haystack = "";
-    // for (int i = 0; i < n / 2; i++) {
-    //   haystack += (pal[i] ? "R" : "W");
-    // }
-    // if (regex_match(haystack, regex("WR+W"))) {
-    //   cout << "No" << '\n';
-    // } else {
-    //   cout << "Yes" << '\n';
-    // }
-  }
-}
-
-int main() {
-  ios_base::sync_with_stdio(false);
-  cin.tie(NULL);
-  int tt;
-  cin >> tt;
-  while (tt--) {
-    solve();
-  }
-}
diff --git a/contests/Round#853/B/main b/contests/Round#853/B/main
deleted file mode 100755
index 71f1358..0000000
--- a/contests/Round#853/B/main
+++ /dev/null
diff --git a/contests/Round#853/B/main.cpp b/contests/Round#853/B/main.cpp
deleted file mode 100755
index 12517e2..0000000
--- a/contests/Round#853/B/main.cpp
+++ /dev/null
@@ -1,107 +0,0 @@
-#include <bits/stdc++.h>
-using namespace std;
-
-using ll = long long;
-using pi = pair<int, int>;
-using vpi = vector<pi>;
-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
-
-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};
-
-// pretty printing
-template <typename K, typename V> void printm(const map<K, V> &mp) {
-  cerr << "{" << endl;
-  for (auto p : mp) {
-    cerr << "  { " << p.first << " : " << p.second << " }\n";
-  }
-  cerr << "}" << endl;
-}
-template <typename T> void printv(const vector<T> &v) {
-  cerr << "[";
-  for (int i = 0; i < v.size(); i++) {
-    if (i == v.size() - 1) {
-      cerr << v[i];
-    } else {
-      cerr << v[i] << ", ";
-    }
-  }
-  cerr << "]\n";
-}
-
-template <typename T> void printvv(const vector<vector<T>> &v) {
-  cerr << "[\n";
-  for (auto &vec : v) {
-    cout << "  ";
-    printv(vec);
-  }
-  cerr << "]\n";
-}
-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
- */
-
-bool isPalindrome(string &s) { return string(all(s)) == string(rall(s)); }
-
-void solve() {
-  int n;
-  cin >> n;
-  string s;
-  cin >> s;
-  vector<bool> pal(n);
-  if (n & 1)
-    pal[n / 2] = 1;
-  for (int i = 0; i < n / 2; i++) {
-    pal[i] = pal[n - i - 1] = s[i] == s[n - i - 1];
-  }
-  pal.erase(unique(all(pal)), pal.end());
-  n = pal.size();
-  if (count(all(pal), 0) <= 2) {
-    cout << "Yes" << '\n';
-  } else {
-    cout << "No" << '\n';
-  }
-  // string haystack = "";
-  // for (int i = 0; i < n / 2; i++) {
-  //   haystack += (pal[i] ? "R" : "W");
-  // }
-  // if (regex_match(haystack, regex("WR+W"))) {
-  //   cout << "No" << '\n';
-  // } else {
-  //   cout << "Yes" << '\n';
-  // }
-}
-
-int main() {
-  ios_base::sync_with_stdio(false);
-  cin.tie(NULL);
-  int tt;
-  cin >> tt;
-  while (tt--) {
-    solve();
-  }
-}
diff --git a/contests/Round#853/B/main_input0.txt b/contests/Round#853/B/main_input0.txt
deleted file mode 100644
index 27013f6..0000000
--- a/contests/Round#853/B/main_input0.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-3
-4
-1001
-5
-10010
-7
-0111011
diff --git a/contests/Round#853/B/main_input1.txt b/contests/Round#853/B/main_input1.txt
deleted file mode 100644
index a3582ad..0000000
--- a/contests/Round#853/B/main_input1.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-1
-6
-100100
\ No newline at end of file
diff --git a/contests/Round#853/B/main_input2.txt b/contests/Round#853/B/main_input2.txt
deleted file mode 100644
index 33a4575..0000000
--- a/contests/Round#853/B/main_input2.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-1
-6
-011100
\ No newline at end of file
diff --git a/contests/Round#853/B/main_input3.txt b/contests/Round#853/B/main_input3.txt
deleted file mode 100644
index 8435e27..0000000
--- a/contests/Round#853/B/main_input3.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-1
-7
-0011011
\ No newline at end of file
diff --git a/contests/Round#853/B/main_input4.txt b/contests/Round#853/B/main_input4.txt
deleted file mode 100644
index c64122e..0000000
--- a/contests/Round#853/B/main_input4.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-1
-2
-10
\ No newline at end of file
diff --git a/contests/Round#853/B/main_input5.txt b/contests/Round#853/B/main_input5.txt
deleted file mode 100644
index 82c90df..0000000
--- a/contests/Round#853/B/main_input5.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-1
-2
-01
\ No newline at end of file
diff --git a/contests/Round#853/B/main_input6.txt b/contests/Round#853/B/main_input6.txt
deleted file mode 100644
index 4efbaa0..0000000
--- a/contests/Round#853/B/main_input6.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-1
-9
-110000101
\ No newline at end of file
diff --git a/contests/Round#853/B/main_input7.txt b/contests/Round#853/B/main_input7.txt
deleted file mode 100644
index 90e47d5..0000000
--- a/contests/Round#853/B/main_input7.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-1
-8
-00001000
\ No newline at end of file
diff --git a/contests/Round#853/B/main_output0.txt b/contests/Round#853/B/main_output0.txt
deleted file mode 100644
index 3e42eac..0000000
--- a/contests/Round#853/B/main_output0.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-Yes
-Yes
-No
diff --git a/contests/Round#853/B/main_output1.txt b/contests/Round#853/B/main_output1.txt
deleted file mode 100644
index 289cc91..0000000
--- a/contests/Round#853/B/main_output1.txt
+++ /dev/null
@@ -1 +0,0 @@
-No
\ No newline at end of file
diff --git a/contests/Round#853/B/main_output2.txt b/contests/Round#853/B/main_output2.txt
deleted file mode 100644
index 3fdfb3d..0000000
--- a/contests/Round#853/B/main_output2.txt
+++ /dev/null
@@ -1 +0,0 @@
-Yes
\ No newline at end of file
diff --git a/contests/Round#853/B/main_output3.txt b/contests/Round#853/B/main_output3.txt
deleted file mode 100644
index 3fdfb3d..0000000
--- a/contests/Round#853/B/main_output3.txt
+++ /dev/null
@@ -1 +0,0 @@
-Yes
\ No newline at end of file
diff --git a/contests/Round#853/B/main_output4.txt b/contests/Round#853/B/main_output4.txt
deleted file mode 100644
index 3fdfb3d..0000000
--- a/contests/Round#853/B/main_output4.txt
+++ /dev/null
@@ -1 +0,0 @@
-Yes
\ No newline at end of file
diff --git a/contests/Round#853/B/main_output5.txt b/contests/Round#853/B/main_output5.txt
deleted file mode 100644
index 3fdfb3d..0000000
--- a/contests/Round#853/B/main_output5.txt
+++ /dev/null
@@ -1 +0,0 @@
-Yes
\ No newline at end of file
diff --git a/contests/Round#853/B/main_output6.txt b/contests/Round#853/B/main_output6.txt
deleted file mode 100644
index 3fdfb3d..0000000
--- a/contests/Round#853/B/main_output6.txt
+++ /dev/null
@@ -1 +0,0 @@
-Yes
\ No newline at end of file
diff --git a/contests/Round#853/B/main_output7.txt b/contests/Round#853/B/main_output7.txt
deleted file mode 100644
index 3fdfb3d..0000000
--- a/contests/Round#853/B/main_output7.txt
+++ /dev/null
@@ -1 +0,0 @@
-Yes
\ No newline at end of file