CSES - Aalto Competitive Programming 2025 - wk5 - Wed

Submission details
Task:	Program
Sender:	aalto25e_007
Submission time:	2025-10-01 17:31:57 +0300
Language:	C++ (C++17)
Status:	READY
Result:	TIME LIMIT EXCEEDED

Test results
test	verdict	time
#1	ACCEPTED	0.00 s	details
#2	ACCEPTED	0.00 s	details
#3	ACCEPTED	0.00 s	details
#4	ACCEPTED	0.00 s	details
#5	ACCEPTED	0.00 s	details
#6	ACCEPTED	0.00 s	details
#7	ACCEPTED	0.00 s	details
#8	ACCEPTED	0.00 s	details
#9	ACCEPTED	0.00 s	details
#10	ACCEPTED	0.00 s	details
#11	TIME LIMIT EXCEEDED	--	details
#12	TIME LIMIT EXCEEDED	--	details
#13	TIME LIMIT EXCEEDED	--	details
#14	TIME LIMIT EXCEEDED	--	details
#15	TIME LIMIT EXCEEDED	--	details
#16	TIME LIMIT EXCEEDED	--	details
#17	TIME LIMIT EXCEEDED	--	details
#18	TIME LIMIT EXCEEDED	--	details
#19	TIME LIMIT EXCEEDED	--	details
#20	TIME LIMIT EXCEEDED	--	details
#21	TIME LIMIT EXCEEDED	--	details
#22	TIME LIMIT EXCEEDED	--	details
#23	TIME LIMIT EXCEEDED	--	details
#24	TIME LIMIT EXCEEDED	--	details
#25	TIME LIMIT EXCEEDED	--	details
#26	TIME LIMIT EXCEEDED	--	details
#27	TIME LIMIT EXCEEDED	--	details
#28	TIME LIMIT EXCEEDED	--	details
#29	TIME LIMIT EXCEEDED	--	details
#30	TIME LIMIT EXCEEDED	--	details

Compiler report

input/code.cpp: In function 'void algorithm(int, int, std::vector<std::__cxx11::basic_string<char> >, std::vector<std::__cxx11::basic_string<char> >&, int&)':
input/code.cpp:11:24: warning: comparison of integer expressions of different signedness: 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   11 |         if (acc.size() < best_steps) {
      |             ~~~~~~~~~~~^~~~~~~~~~~~
input/code.cpp:16:25: warning: comparison of integer expressions of different signedness: 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   16 |     else if (acc.size() < best_steps) {
      |              ~~~~~~~~~~~^~~~~~~~~~~~
input/code.cpp: In function 'int main()':
input/code.cpp:44:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44...

Code

#include <iostream>
#include <vector>
#include <climits>

using namespace std;

void algorithm(int n, int x, vector<string> acc, vector<string> &best_sol, int &best_steps)
{
    if (x == n) {
        acc.push_back("END");
        if (acc.size() < best_steps) {
            best_steps = acc.size();
            best_sol = acc;
        }
    }
    else if (acc.size() < best_steps) {
        if (x + 3 <= n) {
            acc.push_back("ADD");
            algorithm(n, x + 3, acc, best_sol, best_steps);
            acc.pop_back();
        }
        if (x * 2 <= n) {
            acc.push_back("MUL");
            algorithm(n, x * 2, acc, best_sol, best_steps);
            acc.pop_back();
        }
    }
}

int main() {
    int n;
    cin >> n;

    vector<string> acc;
    vector<string> best_sol;
    int best_steps = INT_MAX;

    algorithm(n, 1, acc, best_sol, best_steps);

    if (best_steps == INT_MAX)
        cout << 0 << endl;
    else {
        cout << best_steps << endl;
        for (int i = 0; i < best_sol.size(); ++i) {
            cout << best_sol[i] << endl;
        }
    }
    
}

Test details

Test 1

Group:

Verdict: ACCEPTED

input
`58` view save

correct output
`8 MUL ADD MUL ADD ...` view save

user output
`8 ADD ADD ADD ADD ...` view save

Test 2

Group:

Verdict: ACCEPTED

input
`72` view save

correct output
`0` view save

user output
`0` view save

Test 3

Group:

Verdict: ACCEPTED

input
`83` view save

correct output
`8 MUL ADD MUL MUL ...` view save

user output
`8 ADD ADD ADD MUL ...` view save

Test 4

Group:

Verdict: ACCEPTED

input
`53` view save

correct output
`8 ADD MUL ADD MUL ...` view save

user output
`8 ADD MUL ADD MUL ...` view save

Test 5

Group:

Verdict: ACCEPTED

input
`100` view save

correct output
`8 ADD MUL ADD MUL ...` view save

user output
`8 ADD MUL ADD MUL ...` view save

Test 6

Group:

Verdict: ACCEPTED

input
`64` view save

correct output
`6 ADD MUL MUL MUL ...` view save

user output
`6 ADD MUL MUL MUL ...` view save

Test 7

Group:

Verdict: ACCEPTED

input
`84` view save

correct output
`0` view save

user output
`0` view save

Test 8

Group:

Verdict: ACCEPTED

input
`60` view save

correct output
`0` view save

user output
`0` view save

Test 9

Group:

Verdict: ACCEPTED

input
`51` view save

correct output
`0` view save

user output
`0` view save

Test 10

Group:

Verdict: ACCEPTED

input
`77` view save

correct output
`9 ADD ADD MUL ADD ...` view save

user output
`9 ADD ADD MUL ADD ...` view save

Test 11

Group:

Verdict: TIME LIMIT EXCEEDED

input
`941694` view save

correct output
`0` view save

user output
(empty)

Test 12

Group:

Verdict: TIME LIMIT EXCEEDED

input
`905674` view save

correct output
`30 MUL ADD MUL ADD ...` view save

user output
(empty)

Test 13

Group:

Verdict: TIME LIMIT EXCEEDED

input
`908426` view save

correct output
`29 ADD MUL ADD MUL ...` view save

user output
(empty)

Test 14

Group:

Verdict: TIME LIMIT EXCEEDED

input
`960500` view save

correct output
`31 ADD ADD MUL MUL ...` view save

user output
(empty)

Test 15

Group:

Verdict: TIME LIMIT EXCEEDED

input
`902101` view save

correct output
`27 MUL ADD MUL ADD ...` view save

user output
(empty)

Test 16

Group:

Verdict: TIME LIMIT EXCEEDED

input
`994208` view save

correct output
`27 ADD ADD MUL MUL ...` view save

user output
(empty)

Test 17

Group:

Verdict: TIME LIMIT EXCEEDED

input
`923538` view save

correct output
`0` view save

user output
(empty)

Test 18

Group:

Verdict: TIME LIMIT EXCEEDED

input
`950287` view save

correct output
`24 MUL ADD MUL ADD ...` view save

user output
(empty)

Test 19

Group:

Verdict: TIME LIMIT EXCEEDED

input
`950516` view save

correct output
`29 ADD ADD MUL MUL ...` view save

user output
(empty)

Test 20

Group:

Verdict: TIME LIMIT EXCEEDED

input
`921882` view save

correct output
`0` view save

user output
(empty)

Test 21

Group:

Verdict: TIME LIMIT EXCEEDED

input
`933942296856681219` view save

correct output
`0` view save

user output
(empty)

Test 22

Group:

Verdict: TIME LIMIT EXCEEDED

input
`955775764385016720` view save

correct output
`0` view save

user output
(empty)

Test 23

Group:

Verdict: TIME LIMIT EXCEEDED

input
`981578916796073406` view save

correct output
`0` view save

user output
(empty)

Test 24

Group:

Verdict: TIME LIMIT EXCEEDED

input
`927875200723222396` view save

correct output
`94 MUL ADD MUL MUL ...` view save

user output
(empty)

Test 25

Group:

Verdict: TIME LIMIT EXCEEDED

input
`990125206148420558` view save

correct output
`84 ADD MUL ADD MUL ...` view save

user output
(empty)

Test 26

Group:

Verdict: TIME LIMIT EXCEEDED

input
`964804802247123102` view save

correct output
`0` view save

user output
(empty)

Test 27

Group:

Verdict: TIME LIMIT EXCEEDED

input
`996610423667404231` view save

correct output
`96 MUL ADD MUL ADD ...` view save

user output
(empty)

Test 28

Group:

Verdict: TIME LIMIT EXCEEDED

input
`948665008088793691` view save

correct output
`86 MUL ADD MUL ADD ...` view save

user output
(empty)

Test 29

Group:

Verdict: TIME LIMIT EXCEEDED

input
`969397787818953279` view save

correct output
`0` view save

user output
(empty)

Test 30

Group:

Verdict: TIME LIMIT EXCEEDED

input
`918471787211371085` view save

correct output
`90 ADD MUL ADD MUL ...` view save

user output
(empty)

Aalto Competitive Programming 2025 - wk5 - Wed

Program

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Tasks

Submissions (aalto25e_007)