CSES - Aalto Competitive Programming 2024 - wk5 - Wed

CSES - Aalto Competitive Programming 2024 - wk5 - Wed - Results

Submission details
Task:	Program
Sender:	aalto2024f_002
Submission time:	2024-10-02 17:54:02 +0300
Language:	C++ (C++20)
Status:	READY
Result:	ACCEPTED

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	ACCEPTED	0.00 s	details
#12	ACCEPTED	0.00 s	details
#13	ACCEPTED	0.00 s	details
#14	ACCEPTED	0.00 s	details
#15	ACCEPTED	0.00 s	details
#16	ACCEPTED	0.00 s	details
#17	ACCEPTED	0.01 s	details
#18	ACCEPTED	0.00 s	details
#19	ACCEPTED	0.00 s	details
#20	ACCEPTED	0.00 s	details
#21	ACCEPTED	0.00 s	details
#22	ACCEPTED	0.00 s	details
#23	ACCEPTED	0.00 s	details
#24	ACCEPTED	0.00 s	details
#25	ACCEPTED	0.00 s	details
#26	ACCEPTED	0.00 s	details
#27	ACCEPTED	0.00 s	details
#28	ACCEPTED	0.00 s	details
#29	ACCEPTED	0.00 s	details
#30	ACCEPTED	0.00 s	details

Code

#include <bits/stdc++.h>

using namespace std;

long long cost(long long current, map<long long, long long> &next) {

    if (current <= 0)
        return LONG_LONG_MAX;

    if (current == 1)
        return 0;

    if (current == 4) {
        next[4] = 1;
        return 1;
    }

    if (current == 7) {
        next[7] = 4;
        next[4] = 1;
        return 2;
    }

    if (current % 2 == 0) {
        long long rec = cost(current/2, next);
        if (rec == LONG_LONG_MAX)
            return rec;
    
        next[current] = current/2;
        return rec+1;
    }

    else {
        long long rec = cost((current-3)/2, next);
        next[current] = current-3;
        next[current-3] = (current-3)/2;
        if (rec == LONG_LONG_MAX)
            return rec;
        return rec + 2;
    }

}

int main() {

    long long target;
    cin >> target;

    map<long long, long long> next;

    long long steps = cost(target, next);

    if (steps == LONG_LONG_MAX) {
        cout << 0 << endl;
        return 0;
    }

    steps += 1;

    cout << steps << endl;

    vector<string> outputs;

    long long current = target;
    while (current != 1) {
        long long m = next[current];
        if (abs(m - current) == 3) {
            outputs.push_back("ADD");
        }
        else {
            outputs.push_back("MUL");
        }
        current = m;
    }

    for (int i = (int) outputs.size()-1; i >= 0; i--) {
        cout << outputs[i] << endl;
    }

    cout << "END" << endl;
    return 0;

}

Test details

Test 1

Verdict: ACCEPTED

input
`58` view save

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

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

Test 2

Verdict: ACCEPTED

input
`72` view save

correct output
`0` view save

user output
`0` view save

Test 3

Verdict: ACCEPTED

input
`83` view save

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

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

Test 4

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

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

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

Verdict: ACCEPTED

input
`84` view save

correct output
`0` view save

user output
`0` view save

Test 8

Verdict: ACCEPTED

input
`60` view save

correct output
`0` view save

user output
`0` view save

Test 9

Verdict: ACCEPTED

input
`51` view save

correct output
`0` view save

user output
`0` view save

Test 10

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

Verdict: ACCEPTED

input
`941694` view save

correct output
`0` view save

user output
`0` view save

Test 12

Verdict: ACCEPTED

input
`905674` view save

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

user output
`30 MUL ADD MUL ADD ...` Truncated

Test 13

Verdict: ACCEPTED

input
`908426` view save

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

user output
`29 ADD MUL ADD MUL ...` Truncated

Test 14

Verdict: ACCEPTED

input
`960500` view save

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

user output
`31 ADD ADD MUL MUL ...` Truncated

Test 15

Verdict: ACCEPTED

input
`902101` view save

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

user output
`27 MUL ADD MUL ADD ...` Truncated

Test 16

Verdict: ACCEPTED

input
`994208` view save

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

user output
`27 ADD ADD MUL MUL ...` Truncated

Test 17

Verdict: ACCEPTED

input
`923538` view save

correct output
`0` view save

user output
`0` view save

Test 18

Verdict: ACCEPTED

input
`950287` view save

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

user output
`24 MUL ADD MUL ADD ...` Truncated

Test 19

Verdict: ACCEPTED

input
`950516` view save

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

user output
`29 ADD ADD MUL MUL ...` Truncated

Test 20

Verdict: ACCEPTED

input
`921882` view save

correct output
`0` view save

user output
`0` view save

Test 21

Verdict: ACCEPTED

input
`933942296856681219` view save

correct output
`0` view save

user output
`0` view save

Test 22

Verdict: ACCEPTED

input
`955775764385016720` view save

correct output
`0` view save

user output
`0` view save

Test 23

Verdict: ACCEPTED

input
`981578916796073406` view save

correct output
`0` view save

user output
`0` view save

Test 24

Verdict: ACCEPTED

input
`927875200723222396` view save

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

user output
`94 MUL ADD MUL MUL ...` Truncated

Test 25

Verdict: ACCEPTED

input
`990125206148420558` view save

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

user output
`84 ADD MUL ADD MUL ...` Truncated

Test 26

Verdict: ACCEPTED

input
`964804802247123102` view save

correct output
`0` view save

user output
`0` view save

Test 27

Verdict: ACCEPTED

input
`996610423667404231` view save

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

user output
`96 MUL ADD MUL ADD ...` Truncated

Test 28

Verdict: ACCEPTED

input
`948665008088793691` view save

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

user output
`86 MUL ADD MUL ADD ...` Truncated

Test 29

Verdict: ACCEPTED

input
`969397787818953279` view save

correct output
`0` view save

user output
`0` view save

Test 30

Verdict: ACCEPTED

input
`918471787211371085` view save

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

user output
`90 ADD MUL ADD MUL ...` Truncated

Aalto Competitive Programming 2024 - wk5 - Wed

Program

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 (aalto2024f_002)