CSES - Datatähti 2026 alku

Submission details
Task:	Tulkki
Sender:	sevti
Submission time:	2025-10-27 11:40:23 +0200
Language:	Python3 (PyPy3)
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	12
#2	ACCEPTED	32
#3	ACCEPTED	56

Test results
test	verdict	time	group
#1	ACCEPTED	0.04 s	1, 2, 3	details
#2	ACCEPTED	0.04 s	1, 2, 3	details
#3	ACCEPTED	0.04 s	1, 2, 3	details
#4	ACCEPTED	0.04 s	1, 2, 3	details
#5	ACCEPTED	0.04 s	1, 2, 3	details
#6	ACCEPTED	0.05 s	1, 2, 3	details
#7	ACCEPTED	0.04 s	2, 3	details
#8	ACCEPTED	0.04 s	2, 3	details
#9	ACCEPTED	0.04 s	2, 3	details
#10	ACCEPTED	0.04 s	2, 3	details
#11	ACCEPTED	0.04 s	2, 3	details
#12	ACCEPTED	0.04 s	2, 3	details
#13	ACCEPTED	0.04 s	3	details
#14	ACCEPTED	0.04 s	3	details
#15	ACCEPTED	0.17 s	3	details
#16	ACCEPTED	0.05 s	3	details
#17	ACCEPTED	0.20 s	3	details
#18	ACCEPTED	0.09 s	3	details

Code

import sys

tokens = []
for raw in sys.stdin.read().splitlines():
    if '#' in raw:
        raw = raw[:raw.index('#')]
    raw = raw.strip()
    if raw:
        tokens.extend(raw.split())

pos = 0

def parser():
    global pos
    stmts = []
    while pos < len(tokens) and tokens[pos] != ')':
        t = tokens[pos]

        if t == 'CLEAR':
            var = tokens[pos + 1]
            pos += 2
            stmts.append(('clear', var))
        elif t == 'INCREASE':
            var = tokens[pos + 1]
            pos += 2
            stmts.append(('inc', var))
        elif t == 'PRINT':
            var = tokens[pos + 1]
            pos += 2
            stmts.append(('print', var))
        elif t == 'REPEAT':
            var = tokens[pos + 1]
            pos += 2
            if pos < len(tokens) and tokens[pos] == 'TIMES':
                pos += 1      
            if pos < len(tokens) and tokens[pos] == '(':
                pos += 1
            body = parser()
            if pos < len(tokens) and tokens[pos] == ')':
                pos += 1              
            stmts.append(('repeat', var, body))
        else:
            pos += 1
    return stmts

program = parser()

vars_ = {chr(c): 0 for c in range(ord('A'), ord('Z') + 1)}

def exec_stmts(stmts):
    for op in stmts:
        typ = op[0]
        
        if typ == 'clear':
            vars_[op[1]] = 0
        elif typ == 'inc':
            vars_[op[1]] += 1
        elif typ == 'print':
            print(vars_[op[1]], end=' ')
        elif typ == 'repeat':
            count = vars_[op[1]]
            body = op[2]
            for _ in range(count):
                exec_stmts(body)

exec_stmts(program)
print()

Test details

Test 1 (public)

Group: 1, 2, 3

Verdict: ACCEPTED

input
`PRINT X INCREASE X PRINT X INCREASE X PRINT X ...` view save

correct output
`0 1 2 0` view save

user output
`0 1 2 0` view save

Test 2 (public)

Group: 1, 2, 3

Verdict: ACCEPTED

input
`INCREASE X # aybabtu PRINT X INCREASE # test ...` view save

correct output
`1 3` view save

user output
`1 3` view save

Test 3 (public)

Group: 1, 2, 3

Verdict: ACCEPTED

input
`# Create number 3 INCREASE X INCREASE X INCREASE X ...` view save

correct output
`3` view save

user output
`3` view save

Test 4 (public)

Group: 1, 2, 3

Verdict: ACCEPTED

input
`INCREASE A PRINT A INCREASE B PRINT B INCREASE C ...` view save

correct output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Test 5 (public)

Group: 1, 2, 3

Verdict: ACCEPTED

input
`INCREASE X INCREASE X INCREASE X INCREASE X INCREASE X ...` view save

correct output
`999` view save

user output
`999` view save

Test 6 (public)

Group: 1, 2, 3

Verdict: ACCEPTED

input
`PRINT X PRINT X PRINT X PRINT X PRINT X ...` view save

correct output
`0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...` view save

user output
`0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...` view save

Test 7 (public)

Group: 2, 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A INCREASE A INCREASE A INCREASE A ...` view save

correct output
`5 5 5 5 5` view save

user output
`5 5 5 5 5` view save

Test 8 (public)

Group: 2, 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A INCREASE A INCREASE A INCREASE A ...` view save

correct output
`0 0 0 0 0` view save

user output
`0 0 0 0 0` view save

Test 9 (public)

Group: 2, 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A INCREASE A INCREASE A INCREASE A ...` view save

correct output
`6 7 8 9 10` view save

user output
`6 7 8 9 10` view save

Test 10 (public)

Group: 2, 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A INCREASE A INCREASE A INCREASE A ...` view save

correct output
`5 5` view save

user output
`5 5` view save

Test 11 (public)

Group: 2, 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A INCREASE A INCREASE A INCREASE A ...` view save

correct output
`20` view save

user output
`20` view save

Test 12 (public)

Group: 2, 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A INCREASE B INCREASE B ...` view save

correct output
`42` view save

user output
`42` view save

Test 13 (public)

Group: 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A INCREASE A INCREASE A INCREASE A ...` view save

correct output
`1 2 2 3 3 3 4 4 4 4 5 5 5 5 5` view save

user output
`1 2 2 3 3 3 4 4 4 4 5 5 5 5 5` view save

Test 14 (public)

Group: 3

Verdict: ACCEPTED

input
`# Create number 3 INCREASE A INCREASE A INCREASE...` view save

correct output
`12` view save

user output
`12` view save

Test 15 (public)

Group: 3

Verdict: ACCEPTED

input
`INCREASE X INCREASE X INCREASE X INCREASE X INCREASE X ...` view save

correct output
`531441` view save

user output
`531441` view save

Test 16 (public)

Group: 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A INCREASE A INCREASE A INCREASE A ...` view save

correct output
`1337` view save

user output
`1337` view save

Test 17 (public)

Group: 3

Verdict: ACCEPTED

input
`INCREASE A INCREASE A REPEAT A TIMES ( REPEAT A TIMES ( ...` view save

correct output
`1 2 1 2 1 1 3 4 3 4 3 4 3 4 3 ...` view save

user output
`1 2 1 2 1 1 3 4 3 4 3 4 3 4 3 ...` view save

Test 18 (public)

Group: 3

Verdict: ACCEPTED

input
`# Efficient algorithm for find...` view save

correct output
`2 3 5 7 11 13 17 19 23 29 31 3...` view save

user output
`2 3 5 7 11 13 17 19 23 29 31 3...` view save

Datatähti 2026 alku

Tulkki

Code

Test details

Test 1 (public)

Test 2 (public)

Test 3 (public)

Test 4 (public)

Test 5 (public)

Test 6 (public)

Test 7 (public)

Test 8 (public)

Test 9 (public)

Test 10 (public)

Test 11 (public)

Test 12 (public)

Test 13 (public)

Test 14 (public)

Test 15 (public)

Test 16 (public)

Test 17 (public)

Test 18 (public)

Tasks

Submissions (sevti)