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Author: BrandonTang89

Other_Tasks/CF2070_A_FizzBuzz_Remixed.py

@@ -0,0 +1,9 @@
+for _ in range(int(input())):
+    n = int(input())
+    x = n // 15 + 1
+    ans = 3 * x
+    if n % 15 == 0:
+        ans -= 2
+    elif (n - 1) % 15 == 0:
+        ans -= 1
+    print(ans)

Other_Tasks/CF2070_B_Robot_Program.cpp

@@ -0,0 +1,56 @@
+#pragma GCC optimize("Ofast")
+#pragma GCC optimize("unroll-loops")
+#include <bits/stdc++.h>
+using namespace std;
+
+typedef long long ll;
+typedef vector<int> vi;
+#define fast_cin()                    \
+    ios_base::sync_with_stdio(false); \
+    cin.tie(NULL);                    \
+    cout.tie(NULL);
+
+int main() {
+    int tc;
+    cin >> tc;
+    while (tc--) {
+        ll n, x, k;
+        cin >> n >> x >> k;
+        string s;
+        cin >> s;
+
+        // consider x to 0
+        ll c = x;
+        ll t = 0;
+        for (; t < n && c != 0; t++) {
+            if (s[t] == 'R') {
+                c++;
+            } else {
+                c--;
+            }
+        }
+
+        if (c != 0) {
+            cout << 0 << endl;
+            continue;
+        }
+
+        ll l = 0;
+        do {
+            if (s[l] == 'R') {
+                c++;
+            } else {
+                c--;
+            }
+            l++;
+        } while (l < n && c != 0);
+
+        if (c != 0) {
+            cout << 1 << endl;
+            continue;
+        }
+        cout << (k - t) / l + 1 << endl;
+    }
+
+    return 0;
+}

Other_Tasks/CF2070_C_Limited_Repainting.cpp

@@ -0,0 +1,69 @@
+#pragma GCC optimize("Ofast")
+#pragma GCC optimize("unroll-loops")
+#include <bits/stdc++.h>
+using namespace std;
+
+typedef long long ll;
+typedef vector<int> vi;
+#define fast_cin()                    \
+    ios_base::sync_with_stdio(false); \
+    cin.tie(NULL);                    \
+    cout.tie(NULL);
+
+ll n, k;
+string s;
+vector<int> a;
+
+bool canDo(int maxPenalty) {
+    int numOperations = k;
+
+    bool painting = false;
+    for (int i = 0; i < n; i++) {
+        if (a[i] <= maxPenalty) {
+            continue;
+        }
+
+        if (!painting) {
+            if (s[i] == 'B') {
+                painting = true;
+                if (numOperations == 0) return false;
+                numOperations--;
+            }
+        } else {
+            if (s[i] == 'R') {
+                painting = false;
+            }
+        }
+    }
+
+    return true;
+}
+
+int main() {
+    int tc;
+    cin >> tc;
+    while (tc--) {
+        cin >> n >> k;
+        cin >> s;
+        a.resize(n);
+        for (int i = 0; i < n; i++) {
+            cin >> a[i];
+        }
+
+        int l = 0;
+        int h = 1e9;
+
+        while (l < h) {
+            int m = (h + l) / 2;
+            if (canDo(m)) {
+                h = m;
+            } else {
+                l = m + 1;
+            }
+        }
+
+        cout << l << endl;
+    }
+
+    return 0;
+}

Other_Tasks/CF2072_A_New_World_New_Me_New_Array.py

@@ -0,0 +1,5 @@
+for _ in range(int(input())):
+    n, k, p = map(int, input().split())
+    need = (abs(k) + p - 1) // p
+    print(-1 if n < need else need)
+    

Other_Tasks/CF2072_B_Having_Been_a_Treasurer_in_the_Past_I_Help_Goblins_Deceive.py

@@ -0,0 +1,9 @@
+from collections import Counter
+
+for _ in range(int(input())):
+    n = int(input())
+    c = Counter(input())
+    x = c["-"] // 2
+    y = c["_"]
+    z = c["-"] - x
+    print(x * y * z)