Submission #928277
Source Code Expand
using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
class Program
{
const int M = 1000000007;
const double eps = 1e-9;
static int[] dd = { 0, 1, 0, -1, 0 };
static void Main()
{
var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
var sc = new Scan();
// var sc = new ScanCHK();
int n = sc.Int;
long a, b;
sc.Multi(out a, out b);
for (int i = 0; i < n - 1; i++)
{
var t = sc.LongArr;
long ma = Math.Max((a - 1) / t[0] + 1, (b - 1) / t[1] + 1);
a = t[0] * ma;
b = t[1] * ma;
}
sw.WriteLine(a + b);
sw.Flush();
}
static void swap<T>(ref T a, ref T b) { var t = a; a = b; b = t; }
static void swap<T>(IList<T> a, int i, int j) { var t = a[i]; a[i] = a[j]; a[j] = t; }
static T Max<T>(params T[] a) { return a.Max(); }
static T Min<T>(params T[] a) { return a.Min(); }
static string con<T>(IEnumerable<T> a) { return string.Join(" ", a); }
static void DBG<T>(params T[] a) { Console.WriteLine(string.Join(" ", a)); }
static void DBG(params object[] a) { Console.WriteLine(string.Join(" ", a)); }
static T[] copy<T>(IList<T> a)
{
int n = a.Count;
var ret = new T[n];
for (int i = 0; i < n; i++) ret[i] = a[i];
return ret;
}
}
class ScanCHK : Scan
{
public new string Str
{
get
{
var s = Console.ReadLine();
return s == s.Trim() ? s : "";
}
}
}
class Scan
{
public int Int { get { return int.Parse(Str); } }
public long Long { get { return long.Parse(Str); } }
public double Double { get { return double.Parse(Str); } }
public string Str { get { return Console.ReadLine().Trim(); } }
public int[] IntArr { get { return StrArr.Select(int.Parse).ToArray(); } }
public int[] IntArrWithSep(char sep) { return Str.Split(sep).Select(int.Parse).ToArray(); }
public long[] LongArr { get { return StrArr.Select(long.Parse).ToArray(); } }
public double[] DoubleArr { get { return StrArr.Select(double.Parse).ToArray(); } }
public string[] StrArr { get { return Str.Split(); } }
T cv<T>(string inp)
{
if (typeof(T).Equals(typeof(int))) return (T)Convert.ChangeType(int.Parse(inp), typeof(T));
if (typeof(T).Equals(typeof(long))) return (T)Convert.ChangeType(long.Parse(inp), typeof(T));
if (typeof(T).Equals(typeof(double))) return (T)Convert.ChangeType(double.Parse(inp), typeof(T));
if (typeof(T).Equals(typeof(char))) return (T)Convert.ChangeType(inp[0], typeof(T));
return (T)Convert.ChangeType(inp, typeof(T));
}
public void Multi<T>(out T a) { a = cv<T>(Str); }
public void Multi<T, U>(out T a, out U b)
{ var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); }
public void Multi<T, U, V>(out T a, out U b, out V c)
{ var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); }
public void Multi<T, U, V, W>(out T a, out U b, out V c, out W d)
{ var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); }
public void Multi<T, U, V, W, X>(out T a, out U b, out V c, out W d, out X e)
{ var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); e = cv<X>(ar[4]); }
}
class mymath
{
int Mod = 1000000007;
public void setMod(int m) { Mod = m; }
public bool isprime(long a)
{
if (a < 2) return false;
for (long i = 2; i * i <= a; i++) if (a % i == 0) return false;
return true;
}
public bool[] sieve(int n)
{
var p = new bool[n + 1];
for (int i = 2; i <= n; i++) p[i] = true;
for (int i = 2; i * i <= n; i++) if (p[i]) for (int j = i * i; j <= n; j += i) p[j] = false;
return p;
}
public List<int> getprimes(int n)
{
var prs = new List<int>();
var p = sieve(n);
for (int i = 2; i <= n; i++) if (p[i]) prs.Add(i);
return prs;
}
public long[][] E(int n)
{
var ret = new long[n][];
for (int i = 0; i < n; i++)
{
ret[i] = new long[n];
ret[i][i] = 1;
}
return ret;
}
public long[][] pow(long[][] A, long n)
{
if (n == 0) return E(A.Length);
var t = pow(A, n / 2);
if ((n & 1) == 0) return mul(t, t);
return mul(mul(t, t), A);
}
public long dot(long[] x, long[] y)
{
int n = x.Length;
long ret = 0;
for (int i = 0; i < n; i++) ret = (ret + x[i] * y[i]) % Mod;
return ret;
}
public long[][] trans(long[][] A)
{
int n = A[0].Length, m = A.Length;
var ret = new long[n][];
for (int i = 0; i < n; i++)
{
ret[i] = new long[m];
for (int j = 0; j < m; j++) ret[i][j] = A[j][i];
}
return ret;
}
public long[] mul(long[][] A, long[] x)
{
int n = A.Length;
var ret = new long[n];
for (int i = 0; i < n; i++) ret[i] = dot(x, A[i]);
return ret;
}
public long[][] mul(long[][] A, long[][] B)
{
int n = A.Length;
var Bt = trans(B);
var ret = new long[n][];
for (int i = 0; i < n; i++) ret[i] = mul(Bt, A[i]);
return ret;
}
public long[] add(long[] x, long[] y)
{
int n = x.Length;
var ret = new long[n];
for (int i = 0; i < n; i++) ret[i] = (x[i] + y[i]) % Mod;
return ret;
}
public long[][] add(long[][] A, long[][] B)
{
int n = A.Length;
var ret = new long[n][];
for (int i = 0; i < n; i++) ret[i] = add(A[i], B[i]);
return ret;
}
public long pow(long a, long b)
{
if (a >= Mod) return pow(a % Mod, b);
if (a == 0) return 0;
if (b == 0) return 1;
var t = pow(a, b / 2);
if ((b & 1) == 0) return t * t % Mod;
return t * t % Mod * a % Mod;
}
public long inv(long a) { return pow(a, Mod - 2); }
public long gcd(long a, long b)
{
while (b > 0) { var t = a % b; a = b; b = t; }
return a;
}
public long lcm(long a, long b) { return a * (b / gcd(a, b)); }
public long comb(int n, int r)
{
if (n < 0 || r < 0 || r > n) return 0;
if (n - r < r) r = n - r;
if (r == 0) return 1;
if (r == 1) return n;
var numer = new int[r];
var denom = new int[r];
for (int k = 0; k < r; k++)
{
numer[k] = n - r + k + 1;
denom[k] = k + 1;
}
for (int p = 2; p <= r; p++)
{
int piv = denom[p - 1];
if (piv > 1)
{
int ofst = (n - r) % p;
for (int k = p - 1; k < r; k += p)
{
numer[k - ofst] /= piv;
denom[k] /= piv;
}
}
}
long ret = 1;
for (int k = 0; k < r; k++) if (numer[k] > 1) ret = ret * numer[k] % Mod;
return ret;
}
}
Submission Info
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
300 / 300 |
Status |
|
|
Set Name |
Test Cases |
Sample |
0_000.txt, 0_001.txt, 0_002.txt |
All |
0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt |
Case Name |
Status |
Exec Time |
Memory |
0_000.txt |
AC |
26 ms |
3416 KB |
0_001.txt |
AC |
23 ms |
3032 KB |
0_002.txt |
AC |
23 ms |
3032 KB |
1_003.txt |
AC |
20 ms |
2776 KB |
1_004.txt |
AC |
24 ms |
3416 KB |
1_005.txt |
AC |
23 ms |
3032 KB |
1_006.txt |
AC |
23 ms |
3160 KB |
1_007.txt |
AC |
23 ms |
3032 KB |
1_008.txt |
AC |
23 ms |
3032 KB |
1_009.txt |
AC |
23 ms |
3032 KB |
1_010.txt |
AC |
23 ms |
3032 KB |
1_011.txt |
AC |
24 ms |
3032 KB |
1_012.txt |
AC |
23 ms |
3032 KB |
1_013.txt |
AC |
25 ms |
3416 KB |
1_014.txt |
AC |
25 ms |
3416 KB |