public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long n = fs.NextLong(), k = fs.NextLong(), m = n - k; int p = fs.NextInt(); while (p-- > 0) { long x = fs.NextLong() - 1; if (m == 0) writer.Write("X"); else if (k == 0) writer.Write("."); else { if (n % 2 == 0) { if (x % 2 == 0 && x <= 2 * Math.Min(m, n / 2) - 2) writer.Write("."); else if (x % 2 == 1 && x <= 2 * (m - n / 2) - 1) writer.Write("."); else writer.Write("X"); } else { if (x % 2 == 0 && x <= 2 * Math.Min(m, (n - 1) / 2) - 2) writer.Write("."); else if (x % 2 == 1 && x <= 2 * (m - (n - 1) / 2) - 1) writer.Write("."); else writer.Write("X"); } } } } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { int q = fs.NextInt(); long u, v, w; List<Edge> path; while (q-- > 0) { int t = fs.NextInt(); if (t == 1) { u = fs.NextLong(); v = fs.NextLong(); w = fs.NextLong(); path = GetPath(u, v); foreach (var edge in path) { if (!costs.ContainsKey(edge)) costs.Add(edge, 0); costs[edge] += w; } } else { u = fs.NextLong(); v = fs.NextLong(); path = GetPath(u, v); writer.WriteLine(GetCost(path)); } } } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { N = fs.NextInt(); M = fs.NextInt(); long k = fs.NextLong(); A = new Hay[N, M]; Answer = new int[N, M]; Visited = new bool[N, M]; List<Hay> hays = new List<Hay>(N * M); DisjointSet dsu = new DisjointSet(); for (int i = 0; i < N; i++) { for (int j = 0; j < M; j++) { A[i, j] = new Hay { Id = M * i + j, Row = i, Column = j, Height = fs.NextLong() }; hays.Add(A[i, j]); } } hays = hays.OrderByDescending(h => h.Height).ToList(); foreach (Hay hay in hays) { dsu.MakeSet(hay.Id); if (hay.Row > 0 && hay.Height <= A[hay.Row - 1, hay.Column].Height) dsu.Union(hay.Id, A[hay.Row - 1, hay.Column].Id); if (hay.Column > 0 && hay.Height <= A[hay.Row, hay.Column - 1].Height) dsu.Union(hay.Id, A[hay.Row, hay.Column - 1].Id); if (hay.Row < N - 1 && hay.Height <= A[hay.Row + 1, hay.Column].Height) dsu.Union(hay.Id, A[hay.Row + 1, hay.Column].Id); if (hay.Column < M - 1 && hay.Height <= A[hay.Row, hay.Column + 1].Height) dsu.Union(hay.Id, A[hay.Row, hay.Column + 1].Id); int count = dsu.GetSetElementCount(hay.Id); if (k % hay.Height == 0) { long need = k / hay.Height; int temp = (int)need; if (need <= (long)count) { RunDFS(hay.Row, hay.Column, (int)hay.Height, ref temp); writer.WriteLine("YES"); for (int i = 0; i < N; i++) { for (int j = 0; j < M; j++) { writer.Write(Answer[i, j] + " "); } writer.WriteLine(); } return; } } } writer.WriteLine("NO"); } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { int t = fs.NextInt(); for (int i = 1; i <= t; i++) { long w = fs.NextLong(); if ((w & 1) == 0) { long m = 1; while ((w & 1) == 0) { m <<= 1; w >>= 1; } writer.WriteLine("Case " + i + ": " + w + " " + m); } else { writer.WriteLine("Case " + i + ": Impossible"); } } } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { int t = fs.NextInt(); for (int i = 1; i <= t; i++) { long s = fs.NextLong(); long upper = (long)Math.Ceiling(Math.Sqrt(s)); long lower = upper - 1; long lt = s - lower * lower, x, y; if ((upper & 1) == 0) { x = Math.Min(upper, lt); y = upper - (lt > upper ? (lt - upper) : 0); } else { x = upper - (lt > upper ? (lt - upper) : 0); y = Math.Min(upper, lt); } writer.WriteLine("Case " + i + ": " + x + " " + y); } } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long l1 = fs.NextLong(), r1 = fs.NextLong(); long l2 = fs.NextLong(), r2 = fs.NextLong(); long k = fs.NextLong(); if ((l1 >= l2 && l1 <= r2) || (l2 >= l1 && l2 <= r1)) { long r = Math.Min(r1, r2), l = Math.Max(l1, l2); long ans = r - l + 1; writer.WriteLine(k >= l && k <= r ? ans - 1 : ans); } else writer.WriteLine(0); } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long A = fs.NextLong(), B = fs.NextLong(), n = fs.NextLong(), x = fs.NextLong(); if (n == 0) writer.WriteLine(x); else if (n == 1) writer.WriteLine((A * x + B) % _mod); else { long[,] initial = new long[,] { { A * x + B, 1 } }; long[,] factor = new long[,] { { A, 0 }, { B, 1 } }; long[,] res = MultiplyMatricesMod(initial, BinPowMatrixMod(factor, n - 1, _mod), _mod); writer.WriteLine(res[0, 0]); } } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long m = fs.NextLong(), d = 0; long count = Solve(m, ref d); writer.WriteLine(count + " " + (m - d)); } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long maxCapacity = (long)1e16; long ways = fs.NextLong(); long requiredCapacity = FindVal(1, maxCapacity, ways); writer.WriteLine(requiredCapacity); } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long sn = fs.NextLong(); long n = (long)Math.Ceiling((Math.Sqrt(8 * sn + 1) - 1) / 2); long number = sn - (n * (n - 1)) / 2; writer.WriteLine(number); } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long d = fs.NextLong(), k = fs.NextLong(), a = fs.NextLong(), b = fs.NextLong(), t = fs.NextLong(); if (k >= d) { writer.WriteLine(d * a); } else { long dc = d / k * k; long res = d * b + ((long)Math.Ceiling(dc * 1.0 / k) - 1) * t + dc * (a - b); res = Math.Min(d * b + ((long)Math.Ceiling(d * 1.0 / k) - 1) * t + d * (a - b), res); res = Math.Min(d * b + k * (a - b), res); writer.WriteLine(res); } } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { int n = fs.NextInt(); int mod = (int)1e9 + 7; long k = fs.NextLong(); long[] a = new long[n]; long[,] D1 = new long[1, n]; long[,] C = new long[n, n]; for (int i = 0; i < n; i++) { D1[0, i] = 1; a[i] = fs.NextLong(); } for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { C[i, j] = IsValidPair(a[i], a[j]); } } if (k == 1) { writer.WriteLine(n); return; } long[,] Dk = MatrixProductMod(D1, BinPowMatrixMod(C, k - 1, mod), mod); long sum = 0; for (int i = 0; i < n; i++) { sum += Dk[0, i]; sum %= mod; } writer.WriteLine(sum); var s = 0; } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long n = fs.NextInt(), m = fs.NextLong(); long[] a = new long[n]; for (int i = 0; i < n; i++) { a[i] = fs.NextLong(); } Array.Sort(a); long sum = 0, j = 1, k = 0, count = 0; StringBuilder sb = new StringBuilder(); while (sum < m && j <= 1e9) { if (k < n && j == a[k]) { k++; } else { if (sum + j <= m) { count++; sum += j; sb.Append(j + " "); } else break; } j++; } //string ans = sb.ToString(); //if (ans.Length > 0 && ans.Last() == ' ') ans = ans.Substring(0, ans.Length - 1); writer.WriteLine(count); if (count > 0) writer.WriteLine(sb); } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { long s = fs.NextLong(), x = fs.NextLong(); if (s < x || (s - x) % 2 != 0) { writer.WriteLine(0); return; } long and = (s - x) / 2; string xorStr = Convert.ToString(x, 2), andStr = Convert.ToString(and, 2); int onesNum = 0; foreach (char c in xorStr) { if (c == '1') onesNum++; } string shortStr = xorStr; string longStr = andStr; if (xorStr.Length > andStr.Length) { shortStr = andStr; longStr = xorStr; } int p = longStr.Length - 1; for (int i = shortStr.Length - 1; i >= 0; i--, p--) { if (shortStr[i] == '1' && longStr[p] == '1') { writer.WriteLine(0); return; } } writer.WriteLine(Math.Pow(2, onesNum) - (and == 0 ? 2 : 0)); } }
public static void Run() { using (FastScanner fs = new FastScanner(new BufferedStream(Console.OpenStandardInput()))) using (StreamWriter writer = new StreamWriter(new BufferedStream(Console.OpenStandardOutput()))) { int k = fs.NextInt(), mod = (int)1e9 + 7; long[] a = new long[k]; bool isEven = false; for (int i = 0; i < k; i++) { a[i] = fs.NextLong(); if (!isEven && a[i] % 2 == 0) isEven = true; } long Dn = 2; for (int i = 0; i < k; i++) { Dn = BinPowMod(Dn, a[i], mod); } Dn = (Dn * BinPowMod(2, mod - 2, mod)) % mod; long Nm = Dn + (isEven ? 1 : -1); Nm = (Nm * BinPowMod(3, mod - 2, mod)) % mod; writer.WriteLine(Nm + "/" + Dn); } }