c29sdmUgcHJvZ3JhbSBmb3IgT1MgS2FkYWkzIFRvaTEtMQ==

kadai3-1.py

import math

X = 0

C = [0, 10, 20, X]
T = [0, 50, 70, 300]


def inputs(t, td, j):
    global T
    return int(math.ceil(td * 1.0 / T[j]) - math.ceil(t * 1.0 / T[j]))


def comp(t, td, pri):
    global C
    s = 0
    #r = 0
    print("Comp([", t, ",", td, "),", pri, ") = ", end="")

    for j in range(1, pri):
        if j != 1:
            print(" + ", end="")
    print("Inputs([", t, ",", td, "),", pri, ") x ", C[j])

    print("= ", end="")

    for j in range(1, pri):
        inp = inputs(t, td, j)
        r = C[j] * inp
        s += r
        if j != 1:
            print(" + ", end="")
        print(inp, "x", C[j], end="")

    print("")
    print("=", s)
    return s

tt_init = 0
ttd_init = X
ppri_init = 3

tt = tt_init
ttd = ttd_init
ppri = ppri_init

while True:
    tmp = comp(tt, ttd, ppri)
    if tmp == 0 or tmp == ttd_init:
        break
    tt = ttd
    ttd += tmp
print("R(", tt_init, ",", ttd_init, ",", ppri_init, ") = ", end="")
print("R(", tt, ",", ttd, ",", ppri, ")")