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authorRaphael McSinyx <vn.mcsinyx@gmail.com>2017-07-24 02:23:37 +0700
committerRaphael McSinyx <vn.mcsinyx@gmail.com>2017-07-24 02:26:15 +0700
commitce427c0741ff51539e5410710dd04a11d8d22b4f (patch)
tree7b12163e0a665ae8d9cb3e482257062457619aa1 /others/other/ChonSo
parent1ceb9227cb48d50f57343fa42c32815b94855488 (diff)
downloadcp-ce427c0741ff51539e5410710dd04a11d8d22b4f.tar.gz
Add others/other/{cube,kite}.py
Diffstat (limited to 'others/other/ChonSo')
-rwxr-xr-xothers/other/ChonSo/chonso.py104
1 files changed, 0 insertions, 104 deletions
diff --git a/others/other/ChonSo/chonso.py b/others/other/ChonSo/chonso.py
deleted file mode 100755
index da8dd2e..0000000
--- a/others/other/ChonSo/chonso.py
+++ /dev/null
@@ -1,104 +0,0 @@
-#!/usr/bin/env python3
-from fractions import Fraction
-from functools import reduce
-from itertools import permutations
-from math import factorial
-from operator import floordiv, mul
-
-
-class Polynomial:
-    """A fixed-length power series class.
-
-    The Polynomial class is made to calculate the number of permutations
-    and combinations using generating function, so it only provides '+',
-    '*', '**' methods and doesn't support negative power degrees.
-
-    Parameters
-    ----------
-    coef : iterable of numeric objects
-       Polynomial coefficients in order of increasing degree, i.e.,
-       ``(1, 2, 3)`` give ``1 + 2*x + 3*x**2``.
-
-    maxdeg : int
-       Highest degree the polynomial will hold.
-    """
-    def __init__(self, coef, maxdeg):
-        self.coef = [c for i, c in enumerate(coef) if i <= maxdeg]
-        self.coef += [0] * (maxdeg - len(self.coef) + 1)
-        self.maxdeg = maxdeg
-
-    def __len__(self):
-        """Return len(self)."""
-        return self.maxdeg + 1
-
-    def __getitem__(self, term):
-        """Return coefficient of the corresponding term."""
-        return self.coef[term] if -len(self) <= term <= self.maxdeg else 0
-
-    def __setitem__(self, term, coefficient):
-        """Set coefficient of the corresponding term."""
-        if 0 <= term <= self.maxdeg: self.coef[term] = coefficient
-
-    def __repr__(self):
-        return 'Polynomial({})'.format(self.coef)
-
-    def __rshift__(self, value):
-        """Return self with coefficients shifted value positions to the
-        right (syntactic sugar).
-        """
-        return Polynomial(([0] * value + self.coef)[:len(self)], self.maxdeg)
-
-    def __add__(self, value):
-        """Return self+value."""
-        length = max(len(self), len(value))
-        return Polynomial([self[i]+value[i] for i in range(length)], length-1)
-
-    def __mul__(self, value):
-        """Return self*value."""
-        if isinstance(value, Polynomial):
-            res = Polynomial([], self.maxdeg)
-            for i, c in enumerate(value.coef):
-                res += (self >> i) * c
-            return res
-        if isinstance(value, (int, float, complex, Fraction)):
-            return Polynomial([i * value for i in self.coef], self.maxdeg)
-        err = "unsupported operand type(s) for *: 'Polynomial' and '{}'"
-        raise TypeError(err.format(type(value).__name__))
-
-    def __rmul__(self, value):
-        """Return value*self."""
-        return self * value
-
-    def __pow__(self, value):
-        """Return self**value."""
-        if value == 1: return self
-        tmp = self ** (value//2)
-        if value % 2: return tmp * self * tmp
-        return tmp * tmp
-
-
-class ExpPoly(Polynomial):
-    """Exponential polynomial, with highest degree of 1000."""
-    maxdeg = 1000
-    EXPPOLY = Polynomial([Fraction(1, factorial(i)) for i in range(maxdeg + 1)],
-                         maxdeg)
-
-    def __init__(self, degree, maxdeg):
-        Polynomial.__init__(self, ExpPoly.EXPPOLY.coef[:degree+1], maxdeg)
-
-
-def chonso(m, a):
-    t = tuple(a.count(i) for i in set(a))
-    d = {i: t.count(i) for i in set(t)}
-    ExpPoly.maxdeg = m
-    g = [ExpPoly(k, m) ** v for k, v in d.items()]
-    print(t, d, g)
-    return reduce(mul, g, factorial(m))[-1].numerator
-
-
-if __name__ == '__main__':
-    with open('chonso.inp') as f:
-        n, m = map(int, f.readline().split())
-        a = tuple(int(i) for i in f.readline().split())[:n]
-
-    with open('chonso.out', 'w') as f: print(chonso(m, a) % (10**12 + 7), file=f)