CSES - Aalto Competitive Programming 2024 - wk5 - Wed - Results
Submission details
Task:Program
Sender:aalto2024f_007
Submission time:2024-10-02 17:25:14 +0300
Language:C++ (C++11)
Status:READY
Result:
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
#5ACCEPTED0.00 sdetails
#6ACCEPTED0.00 sdetails
#7ACCEPTED0.00 sdetails
#8ACCEPTED0.00 sdetails
#9ACCEPTED0.00 sdetails
#10ACCEPTED0.00 sdetails
#11ACCEPTED0.01 sdetails
#12ACCEPTED0.01 sdetails
#13ACCEPTED0.01 sdetails
#14ACCEPTED0.01 sdetails
#15ACCEPTED0.01 sdetails
#16ACCEPTED0.02 sdetails
#17ACCEPTED0.02 sdetails
#18ACCEPTED0.01 sdetails
#19ACCEPTED0.01 sdetails
#20ACCEPTED0.01 sdetails
#210.00 sdetails
#220.00 sdetails
#230.00 sdetails
#240.00 sdetails
#250.00 sdetails
#260.00 sdetails
#270.00 sdetails
#280.00 sdetails
#290.00 sdetails
#300.00 sdetails

Code

#include <bits/stdc++.h>

using namespace std;

#define debug(x) cerr << #x << ": " << x << endl;


enum op {
    END,
    ADD,
    MUL
};

int main() {

    int n;
    cin >> n;

    vector<int> value (n+1);
    vector<op> lastop (n+1);

    array<op, 2> ops = {MUL, ADD};


    value[0] = 0;
    value[1] = 1;
    for (int x = 2; x <= n; x++) {
        value[x] = INT_MAX;
        for (auto o : ops) {

            if (o == ADD && x - 3 > 0
                && value[x-3] != 0
                && value[x-3]+1 < value[x]) {
                value[x] = value[x-3]+1;
                lastop[x] = ADD;
            }

            else if (o == MUL && x % 2 == 0 && x / 2 > 0
                     && value[x/2] != 0
                     && value[x/2]+1 < value[x]) {
                value[x] = value[x/2]+1;
                lastop[x] = MUL;
            }
        }

        if (value[x] == INT_MAX) {
            value[x] = 0;
            lastop[x] = END;
        }
    }

    // for (size_t i = 0; i < n+1; i++)
    // {
    //     cout << i << ": " << value[i] << " ops, finish by " << lastop[i] << endl; 
    // }

    int val = value[n];

    cout << val << endl;
    

    list<op> opsforn;

    while (n>0) {
        op o = lastop[n];
        if (o == ADD) {opsforn.push_front(o);n-=3;}
        else if (o == MUL) {opsforn.push_front(o); n /= 2;}
        else if (o == END) n = 0;
    }

    

    if (val == 0) return 0;

    for (auto &&o : opsforn)
    {
        if (o == MUL) cout << "MUL";
        else if (o == ADD) cout << "ADD";
        cout << endl;
    }

    cout << "END" << endl;
    


    return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
58

correct output
8
MUL
ADD
MUL
ADD
...

user output
8
MUL
ADD
MUL
ADD
...

Test 2

Verdict: ACCEPTED

input
72

correct output
0

user output
0

Test 3

Verdict: ACCEPTED

input
83

correct output
8
MUL
ADD
MUL
MUL
...

user output
8
MUL
ADD
MUL
MUL
...

Test 4

Verdict: ACCEPTED

input
53

correct output
8
ADD
MUL
ADD
MUL
...

user output
8
ADD
MUL
ADD
MUL
...

Test 5

Verdict: ACCEPTED

input
100

correct output
8
ADD
MUL
ADD
MUL
...

user output
8
ADD
MUL
ADD
MUL
...

Test 6

Verdict: ACCEPTED

input
64

correct output
6
ADD
MUL
MUL
MUL
...

user output
6
ADD
MUL
MUL
MUL
...

Test 7

Verdict: ACCEPTED

input
84

correct output
0

user output
0

Test 8

Verdict: ACCEPTED

input
60

correct output
0

user output
0

Test 9

Verdict: ACCEPTED

input
51

correct output
0

user output
0

Test 10

Verdict: ACCEPTED

input
77

correct output
9
ADD
ADD
MUL
ADD
...

user output
9
ADD
ADD
MUL
ADD
...

Test 11

Verdict: ACCEPTED

input
941694

correct output
0

user output
0

Test 12

Verdict: ACCEPTED

input
905674

correct output
30
MUL
ADD
MUL
ADD
...

user output
30
MUL
ADD
MUL
ADD
...
Truncated

Test 13

Verdict: ACCEPTED

input
908426

correct output
29
ADD
MUL
ADD
MUL
...

user output
29
ADD
MUL
ADD
MUL
...
Truncated

Test 14

Verdict: ACCEPTED

input
960500

correct output
31
ADD
ADD
MUL
MUL
...

user output
31
ADD
ADD
MUL
MUL
...
Truncated

Test 15

Verdict: ACCEPTED

input
902101

correct output
27
MUL
ADD
MUL
ADD
...

user output
27
MUL
ADD
MUL
ADD
...
Truncated

Test 16

Verdict: ACCEPTED

input
994208

correct output
27
ADD
ADD
MUL
MUL
...

user output
27
ADD
ADD
MUL
MUL
...
Truncated

Test 17

Verdict: ACCEPTED

input
923538

correct output
0

user output
0

Test 18

Verdict: ACCEPTED

input
950287

correct output
24
MUL
ADD
MUL
ADD
...

user output
24
MUL
ADD
MUL
ADD
...
Truncated

Test 19

Verdict: ACCEPTED

input
950516

correct output
29
ADD
ADD
MUL
MUL
...

user output
29
ADD
ADD
MUL
MUL
...
Truncated

Test 20

Verdict: ACCEPTED

input
921882

correct output
0

user output
0

Test 21

Verdict:

input
933942296856681219

correct output
0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 22

Verdict:

input
955775764385016720

correct output
0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 23

Verdict:

input
981578916796073406

correct output
0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 24

Verdict:

input
927875200723222396

correct output
94
MUL
ADD
MUL
MUL
...

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 25

Verdict:

input
990125206148420558

correct output
84
ADD
MUL
ADD
MUL
...

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 26

Verdict:

input
964804802247123102

correct output
0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 27

Verdict:

input
996610423667404231

correct output
96
MUL
ADD
MUL
ADD
...

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 28

Verdict:

input
948665008088793691

correct output
86
MUL
ADD
MUL
ADD
...

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 29

Verdict:

input
969397787818953279

correct output
0

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...

Test 30

Verdict:

input
918471787211371085

correct output
90
ADD
MUL
ADD
MUL
...

user output
(empty)

Error:
terminate called after throwing an instance of 'std::length_error'
  what():  cannot creat...