CSES - Datatähti 2026 alku

Submission details
Task:	Tulkki
Sender:	j-l
Submission time:	2025-11-01 20:15:06 +0200
Language:	Node.js
Status:	READY
Result:	12

Feedback
group	verdict	score
#1	ACCEPTED	12
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.11 s	1, 2, 3	details
#2	ACCEPTED	0.11 s	1, 2, 3	details
#3	ACCEPTED	0.11 s	1, 2, 3	details
#4	ACCEPTED	0.12 s	1, 2, 3	details
#5	ACCEPTED	0.14 s	1, 2, 3	details
#6	ACCEPTED	0.18 s	1, 2, 3	details
#7	WRONG ANSWER	0.11 s	2, 3	details
#8	WRONG ANSWER	0.11 s	2, 3	details
#9	WRONG ANSWER	0.11 s	2, 3	details
#10	WRONG ANSWER	0.11 s	2, 3	details
#11	WRONG ANSWER	0.12 s	2, 3	details
#12	WRONG ANSWER	0.11 s	2, 3	details
#13	WRONG ANSWER	0.11 s	3	details
#14	WRONG ANSWER	0.11 s	3	details
#15	WRONG ANSWER	0.12 s	3	details
#16	WRONG ANSWER	0.12 s	3	details
#17	WRONG ANSWER	0.12 s	3	details
#18	WRONG ANSWER	0.12 s	3	details

Code

const readline = require('readline');

const rl = readline.createInterface({ input: process.stdin, output: process.stdout });

let alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
let variables = {};

for (let char of alphabet) {
    variables[char] = 0;
}

let commandBuffer = [];

function processLine(line) {
    line = line.split('#')[0].trim();

    if (line === "") return;

    const tokens = line.split(/\s+/);

    for (let token of tokens) {
        if (["INCREASE", "PRINT", "CLEAR"].includes(token)) {
            commandBuffer.push(token);
        } else if (alphabet.includes(token)) {
            commandBuffer.push(token);
        }

        if (commandBuffer.length >= 2) {
            const [cmd, varName] = commandBuffer.splice(0, 2);
            execute(cmd, varName);
        }
    }
}

function execute(cmd, varName) {
    if (!alphabet.includes(varName)) {
        console.log(`Error: Invalid variable name '${varName}'`);
        return;
    }

    switch (cmd) {
        case "INCREASE":
            variables[varName]++;
            break;
        case "PRINT":
            console.log(variables[varName]);
            break;
        case "CLEAR":
            variables[varName] = 0;
            break;
        default:
            console.log(`Error: Unknown command '${cmd}'`);
    }
}

function questLoop() {
    rl.question("", (line) => {
        processLine(line);
        questLoop();
    });
}

questLoop();

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 ...` 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 ...` view save

Test 7 (public)

Group: 2, 3

Verdict: WRONG ANSWER

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

correct output
`5 5 5 5 5` view save

user output
`Error: Invalid variable name '...` view save

Feedback: Incorrect character on line 1 col 1: expected "5", got "Error:"

Test 8 (public)

Group: 2, 3

Verdict: WRONG ANSWER

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

correct output
`0 0 0 0 0` view save

user output
`Error: Invalid variable name '...` view save

Feedback: Output is longer than expected

Test 9 (public)

Group: 2, 3

Verdict: WRONG ANSWER

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

correct output
`6 7 8 9 10` view save

user output
`Error: Invalid variable name '...` view save

Feedback: Output is longer than expected

Test 10 (public)

Group: 2, 3

Verdict: WRONG ANSWER

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

correct output
`5 5` view save

user output
`Error: Invalid variable name '...` view save

Feedback: Output is longer than expected

Test 11 (public)

Group: 2, 3

Verdict: WRONG ANSWER

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

correct output
`20` view save

user output
`Error: Invalid variable name '...` view save

Feedback: Output is longer than expected

Test 12 (public)

Group: 2, 3

Verdict: WRONG ANSWER

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

correct output
`42` view save

user output
`Error: Invalid variable name '...` view save

Feedback: Output is longer than expected

Test 13 (public)

Group: 3

Verdict: WRONG ANSWER

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
`Error: Invalid variable name '...` view save

Feedback: Output is shorter than expected

Test 14 (public)

Group: 3

Verdict: WRONG ANSWER

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

correct output
`12` view save

user output
`Error: Unknown command 'A' 1` view save

Feedback: Output is longer than expected

Test 15 (public)

Group: 3

Verdict: WRONG ANSWER

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

correct output
`531441` view save

user output
`Error: Unknown command 'X' Error: Unknown command 'X' Error: Unknown command 'X' 1` view save

Feedback: Output is longer than expected

Test 16 (public)

Group: 3

Verdict: WRONG ANSWER

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

correct output
`1337` view save

user output
`Error: Unknown command 'B' Error: Unknown command 'A' 1` view save

Feedback: Output is longer than expected

Test 17 (public)

Group: 3

Verdict: WRONG ANSWER

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
`Error: Unknown command 'A' Error: Invalid variable name '...` view save

Feedback: Output is shorter than expected

Test 18 (public)

Group: 3

Verdict: WRONG ANSWER

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
`Error: Invalid variable name '...` view save

Feedback: Output is longer than expected

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 (j-l)