from random import randint
r = randint

a = []
u = set()

def init():
    global a
    a[:] = []
    print('my_vector::my_vector <T> a;')


def push():
    global a
    a.append(0)
    print('a.push_back(T());')
    print('assert(a.size() == ' + str(len(a)) + ');')

def pop():
    global a
    if len(a) > 0:
        a.pop()
    print('a.pop_back();')
    print('assert(a.size() == ' + str(len(a)) + ');')

def empty():
    global a
    print('assert(a.empty() == ' + str(int(len(a) == 0)) + ');')

def size():
    global a
    print('assert(a.size() == ' + str(len(a)) + ');')


def reserve(x):
    global a
    print('a.reserve(' + str(x) + ');')

def resize(x):
    global a
    if x <= len(a):
        a[:] = a[:x]
    else:
        a += [0 for i in range(x - len(a))]
    print('a.resize(' + str(x) + ');')
    print('assert(a.size() == ' + str(len(a)) + ');')

def clear():
    global a
    a[:] = []
    print('a.clear();')
    print('assert(a.empty() == true);')

def idx(i):
    global a
    a[i] = 0
    print('a[' + str(i) + '] = T();')

def chaos():
    abc = 'abcdefghijklmnopqrstuvwxyz_ABCDEFGHIJKLMNOPQRSTUVWXYZ'
    names = []
    while len(names) < 10:
        s = ''.join([abc[r(0, len(abc) - 1)] for i in range(1, 10)])
        if s in u:
            continue
        u.add(s)
        names.append(s)

    print('my_vector::my_vector <T> ' + names[0] + ';')
    for i in names[1:-1]:
        print('my_vector::my_vector <T> ' + i + '(' + str(r(1, 50)) + ');')
    print('my_vector::my_vector <T> ' + names[-1] + '(' + names[r(0, 1)] + ');')
    for i in range(10):
        idx = r(0, 9)
        jdx = r(0, 9)
        qdx = r(0, 9)
        print(names[idx] + ' = ' + names[jdx] + ' = ' + names[qdx] + ';')
        print('assert(' + names[idx] + '.size() == ' + names[jdx] + '.size());')
        print('assert(' + names[idx] + '.size() == ' + names[qdx] + '.size());')
        print('assert(' + names[qdx] + '.size() == ' + names[jdx] + '.size());')


init()
mx = 50
zero = [push, pop, clear, empty, size]
one = [resize, reserve]
for j in range(20):
    for i in range(1, r(1, mx)):
        for k in range(10):
            zero[r(0, len(zero) - 1)]()
        one[r(0, len(one) - 1)](r(1, mx))
        if len(a) > 0:
            idx(r(0, len(a) - 1))
    chaos()