CSES - Datatähti 2026 alku

Submission details
Task:	Tulkki
Sender:	alli
Submission time:	2025-10-27 19:21:17 +0200
Language:	C++ (C++20)
Status:	READY
Result:	44

Feedback
group	verdict	score
#1	ACCEPTED	12
#2	ACCEPTED	32
#3	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 2, 3	details
#2	ACCEPTED	0.00 s	1, 2, 3	details
#3	ACCEPTED	0.00 s	1, 2, 3	details
#4	ACCEPTED	0.00 s	1, 2, 3	details
#5	ACCEPTED	0.00 s	1, 2, 3	details
#6	ACCEPTED	0.00 s	1, 2, 3	details
#7	ACCEPTED	0.00 s	2, 3	details
#8	ACCEPTED	0.00 s	2, 3	details
#9	ACCEPTED	0.00 s	2, 3	details
#10	ACCEPTED	0.00 s	2, 3	details
#11	ACCEPTED	0.00 s	2, 3	details
#12	ACCEPTED	0.00 s	2, 3	details
#13	RUNTIME ERROR	0.00 s	3	details
#14	RUNTIME ERROR	0.01 s	3	details
#15	RUNTIME ERROR	0.00 s	3	details
#16	RUNTIME ERROR	0.00 s	3	details
#17	RUNTIME ERROR	0.00 s	3	details
#18	WRONG ANSWER	0.00 s	3	details

Compiler report

input/code.cpp: In function 'void handle_command(const string&, const string&)':
input/code.cpp:31:19: warning: array subscript has type 'char' [-Wchar-subscripts]
   31 |         cout << v[c] << " ";
      |                   ^
input/code.cpp:34:11: warning: array subscript has type 'char' [-Wchar-subscripts]
   34 |         v[c]++;
      |           ^
input/code.cpp:37:11: warning: array subscript has type 'char' [-Wchar-subscripts]
   37 |         v[c] = 0;
      |           ^
input/code.cpp: In function 'int main()':
input/code.cpp:58:22: warning: array subscript has type 'char' [-Wchar-subscripts]
   58 |             ll u = v[c];
      |                      ^

Code

#include <bits/stdc++.h>
typedef long long ll;
using namespace std;

ll v[101010];
queue<string> keywords;

void find_keywords(const string& s) {
    string keyword;
    for (const char c : s) {
        if (c == '#') break;
        if (c != ' ') {
            keyword += c;
        } else if (!keyword.empty()){
            keywords.push(keyword);
            keyword = "";
        }
    }
    if (!keyword.empty()) keywords.push(keyword);
}

string f() {
    string s = keywords.front(); keywords.pop();
    return s;
}

void handle_command(const string& command, const string& arg) {
    //cout << "command: " << command << endl;
    if (command == "PRINT") {
        char c = arg.front();
        cout << v[c] << " ";
    } else if (command == "INCREASE") {
        char c = arg.front();
        v[c]++;
    } else if (command == "CLEAR") {
        char c = arg.front();
        v[c] = 0;
    }
}

int main() {
    //ios_base::sync_with_stdio(false);
    //cin.tie(nullptr);
    //freopen(R"(C:\Users\Kymppi\Downloads\test_input.txt)", "r", stdin);

    string l;
    vector<string> lines;
    while (getline(cin, l)) {
        if (!l.empty()) lines.push_back(l);
    }
    for (const string& line : lines) {
        find_keywords(line);
    }
    while (!keywords.empty()) {
        string command = keywords.front(); keywords.pop();
        if (command == "REPEAT") {
            char c = f().front();
            ll u = v[c];
            keywords.pop(); keywords.pop(); // TIMES and (

            vector<pair<string, string>> commands;
            string nc = f();
            while (nc.front() != ')') {
                commands.emplace_back(nc, f());
                nc = f();
            }

            for (int i = 1; i <= u; i++) {
                for (const auto& com : commands) {
                    //cout << "command: " << com.first << endl;
                    //cout << "arg: " << com.second << endl;
                    handle_command(com.first, com.second);
                }
            }
        }else {
            handle_command(command, f());
        }
    }

}

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: RUNTIME ERROR

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
(empty)

Test 14 (public)

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`12` view save

user output
(empty)

Test 15 (public)

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`531441` view save

user output
(empty)

Test 16 (public)

Group: 3

Verdict: RUNTIME ERROR

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

correct output
`1337` view save

user output
(empty)

Test 17 (public)

Group: 3

Verdict: RUNTIME ERROR

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
(empty)

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
`1 1 2 5 6 7 8 10 10 12 12` view save

Feedback: Output is shorter than expected

Datatähti 2026 alku

Tulkki

Compiler report

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 (alli)