CSES - Datatähti Open 2017 - Results
Submission details
Task:Program
Sender:NF
Submission time:2017-01-20 18:33:02 +0200
Language:C++
Status:READY
Result:58
Feedback
groupverdictscore
#1ACCEPTED21
#2ACCEPTED37
#30
Test results
testverdicttimegroup
#1ACCEPTED0.04 s1details
#2ACCEPTED0.05 s1details
#3ACCEPTED0.04 s1details
#4ACCEPTED0.03 s1details
#5ACCEPTED0.05 s1details
#6ACCEPTED0.05 s1details
#7ACCEPTED0.05 s1details
#8ACCEPTED0.04 s1details
#9ACCEPTED0.04 s1details
#10ACCEPTED0.05 s1details
#11ACCEPTED0.06 s2details
#12ACCEPTED0.05 s2details
#13ACCEPTED0.06 s2details
#14ACCEPTED0.06 s2details
#15ACCEPTED0.05 s2details
#16ACCEPTED0.07 s2details
#17ACCEPTED0.05 s2details
#18ACCEPTED0.07 s2details
#19ACCEPTED0.08 s2details
#20ACCEPTED0.06 s2details
#210.21 s3details
#220.21 s3details
#230.17 s3details
#240.18 s3details
#250.18 s3details
#260.23 s3details
#270.22 s3details
#280.17 s3details
#290.25 s3details
#300.19 s3details

Code

#include <iostream>
#include <cstring>
#include <stack>
#include <algorithm>

#define long long long

using namespace std;

long N;
int mem[1000001];

int solve(int n) {
    if (n > N) return 1 << 30;
    if (n == N) return 1;
    if (mem[n] != -1) return mem[n];
    mem[n] = min(solve(n+3), solve(n*2)) + 1;
    return mem[n];
}

int main() {
    ios_base::sync_with_stdio(false);

    cin >> N;
    memset(mem, -1, sizeof mem);
    int length = solve(1);
    if (length >= (1 << 30)) {
        cout << "0\n";
    } else {
        cout << length << "\n";
        int n = 1;
        while (n < N) {
            if (solve(n+3) < solve(n*2)) {
                cout << "ADD\n";
                n += 3;
            } else {
                cout << "MUL\n";
                n *= 2;
            }
        }
        cout << "END\n";
    }
    return 0;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
58

correct output
8
MUL
ADD
MUL
ADD
...

user output
8
MUL
ADD
MUL
ADD
...

Test 2

Group: 1

Verdict: ACCEPTED

input
72

correct output
0

user output
0

Test 3

Group: 1

Verdict: ACCEPTED

input
83

correct output
8
MUL
ADD
MUL
MUL
...

user output
8
MUL
ADD
MUL
MUL
...

Test 4

Group: 1

Verdict: ACCEPTED

input
53

correct output
8
ADD
MUL
ADD
MUL
...

user output
8
ADD
MUL
ADD
MUL
...

Test 5

Group: 1

Verdict: ACCEPTED

input
100

correct output
8
ADD
MUL
ADD
MUL
...

user output
8
ADD
MUL
ADD
MUL
...

Test 6

Group: 1

Verdict: ACCEPTED

input
64

correct output
6
ADD
MUL
MUL
MUL
...

user output
6
ADD
MUL
MUL
MUL
...

Test 7

Group: 1

Verdict: ACCEPTED

input
84

correct output
0

user output
0

Test 8

Group: 1

Verdict: ACCEPTED

input
60

correct output
0

user output
0

Test 9

Group: 1

Verdict: ACCEPTED

input
51

correct output
0

user output
0

Test 10

Group: 1

Verdict: ACCEPTED

input
77

correct output
9
ADD
ADD
MUL
ADD
...

user output
9
ADD
ADD
MUL
ADD
...

Test 11

Group: 2

Verdict: ACCEPTED

input
941694

correct output
0

user output
0

Test 12

Group: 2

Verdict: ACCEPTED

input
905674

correct output
30
MUL
ADD
MUL
ADD
...

user output
30
MUL
ADD
MUL
ADD
...

Test 13

Group: 2

Verdict: ACCEPTED

input
908426

correct output
29
ADD
MUL
ADD
MUL
...

user output
29
ADD
MUL
ADD
MUL
...

Test 14

Group: 2

Verdict: ACCEPTED

input
960500

correct output
31
ADD
ADD
MUL
MUL
...

user output
31
ADD
ADD
MUL
MUL
...

Test 15

Group: 2

Verdict: ACCEPTED

input
902101

correct output
27
MUL
ADD
MUL
ADD
...

user output
27
MUL
ADD
MUL
ADD
...

Test 16

Group: 2

Verdict: ACCEPTED

input
994208

correct output
27
ADD
ADD
MUL
MUL
...

user output
27
ADD
ADD
MUL
MUL
...

Test 17

Group: 2

Verdict: ACCEPTED

input
923538

correct output
0

user output
0

Test 18

Group: 2

Verdict: ACCEPTED

input
950287

correct output
24
MUL
ADD
MUL
ADD
...

user output
24
MUL
ADD
MUL
ADD
...

Test 19

Group: 2

Verdict: ACCEPTED

input
950516

correct output
29
ADD
ADD
MUL
MUL
...

user output
29
ADD
ADD
MUL
MUL
...

Test 20

Group: 2

Verdict: ACCEPTED

input
921882

correct output
0

user output
0

Test 21

Group: 3

Verdict:

input
933942296856681219

correct output
0

user output
(empty)

Test 22

Group: 3

Verdict:

input
955775764385016720

correct output
0

user output
(empty)

Test 23

Group: 3

Verdict:

input
981578916796073406

correct output
0

user output
(empty)

Test 24

Group: 3

Verdict:

input
927875200723222396

correct output
94
MUL
ADD
MUL
MUL
...

user output
(empty)

Test 25

Group: 3

Verdict:

input
990125206148420558

correct output
84
ADD
MUL
ADD
MUL
...

user output
(empty)

Test 26

Group: 3

Verdict:

input
964804802247123102

correct output
0

user output
(empty)

Test 27

Group: 3

Verdict:

input
996610423667404231

correct output
96
MUL
ADD
MUL
ADD
...

user output
(empty)

Test 28

Group: 3

Verdict:

input
948665008088793691

correct output
86
MUL
ADD
MUL
ADD
...

user output
(empty)

Test 29

Group: 3

Verdict:

input
969397787818953279

correct output
0

user output
(empty)

Test 30

Group: 3

Verdict:

input
918471787211371085

correct output
90
ADD
MUL
ADD
MUL
...

user output
(empty)