CSES - Datatähti Open 2017

Submission details
Task:	Program
Sender:	grikukan
Submission time:	2017-01-21 20:25:48 +0200
Language:	C++
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	21
#2	ACCEPTED	37
#3	ACCEPTED	42

Test results
test	verdict	time	group
#1	ACCEPTED	0.05 s	1	details
#2	ACCEPTED	0.04 s	1	details
#3	ACCEPTED	0.05 s	1	details
#4	ACCEPTED	0.05 s	1	details
#5	ACCEPTED	0.05 s	1	details
#6	ACCEPTED	0.04 s	1	details
#7	ACCEPTED	0.04 s	1	details
#8	ACCEPTED	0.04 s	1	details
#9	ACCEPTED	0.04 s	1	details
#10	ACCEPTED	0.03 s	1	details
#11	ACCEPTED	0.04 s	2	details
#12	ACCEPTED	0.04 s	2	details
#13	ACCEPTED	0.04 s	2	details
#14	ACCEPTED	0.04 s	2	details
#15	ACCEPTED	0.04 s	2	details
#16	ACCEPTED	0.05 s	2	details
#17	ACCEPTED	0.05 s	2	details
#18	ACCEPTED	0.05 s	2	details
#19	ACCEPTED	0.04 s	2	details
#20	ACCEPTED	0.04 s	2	details
#21	ACCEPTED	0.04 s	3	details
#22	ACCEPTED	0.04 s	3	details
#23	ACCEPTED	0.04 s	3	details
#24	ACCEPTED	0.04 s	3	details
#25	ACCEPTED	0.03 s	3	details
#26	ACCEPTED	0.05 s	3	details
#27	ACCEPTED	0.03 s	3	details
#28	ACCEPTED	0.06 s	3	details
#29	ACCEPTED	0.04 s	3	details
#30	ACCEPTED	0.04 s	3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:81:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &x);
                   ^

Code

/*
СТРОИМ СТЕНУ РАБОТЯГИ!
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█▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄█
*/
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;
const int MX = 500 * 1000 + 7;
const ll INF = (ll)1e18;
ll dp[MX];
ll solve(ll x)
{
	if (x < MX) return dp[x];
	if (x % 2 == 0) return solve(x / 2) + 1;
	return solve(x - 3) + 1;
}
void go(ll x)
{
//	cerr << x << endl;
	if (x == 1) return;
	if (x < MX)
	{
		if (x % 2 == 0 && dp[x / 2] == dp[x] - 1)
		{
			go(x / 2);
			printf("MUL\n");
		}
		else
		{
			go(x - 3);
			printf("ADD\n");
		}
	}
	else
	{
		if (x % 2 == 0)
		{
			go(x / 2);
			printf("MUL\n");
		}
		else
		{
			go(x - 3);
			printf("ADD\n");
		}
	}
}
int main()
{
#ifdef LOCAL
	freopen("input.txt", "r", stdin);
#endif
	for (int i = 0; i < MX; i++)
	{
		dp[i] = INF;
	}
	dp[1] = 1;
	for (int i = 2; i < MX; i++)
	{
		if (i > 3)
		{
			dp[i] = min(dp[i], dp[i - 3] + 1);
		}
		if (i % 2 == 0)
		{
			dp[i] = min(dp[i], dp[i / 2] + 1);
		}
	}
	ll x;
	scanf("%lld", &x);
	if (solve(x) >= INF)
	{
		printf("0\n");
		return 0;
	}
	printf("%lld\n", solve(x));
	go(x);
	printf("END\n");;
}

Test details

Test 1

Group: 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

Group: 1

Verdict: ACCEPTED

input
`72` view save

correct output
`0` view save

user output
`0` view save

Test 3

Group: 1

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

Group: 1

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: 1

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: 1

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: 1

Verdict: ACCEPTED

input
`84` view save

correct output
`0` view save

user output
`0` view save

Test 8

Group: 1

Verdict: ACCEPTED

input
`60` view save

correct output
`0` view save

user output
`0` view save

Test 9

Group: 1

Verdict: ACCEPTED

input
`51` view save

correct output
`0` view save

user output
`0` view save

Test 10

Group: 1

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: 2

Verdict: ACCEPTED

input
`941694` view save

correct output
`0` view save

user output
`0` view save

Test 12

Group: 2

Verdict: ACCEPTED

input
`905674` view save

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

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

Test 13

Group: 2

Verdict: ACCEPTED

input
`908426` view save

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

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

Test 14

Group: 2

Verdict: ACCEPTED

input
`960500` view save

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

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

Test 15

Group: 2

Verdict: ACCEPTED

input
`902101` view save

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

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

Test 16

Group: 2

Verdict: ACCEPTED

input
`994208` view save

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

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

Test 17

Group: 2

Verdict: ACCEPTED

input
`923538` view save

correct output
`0` view save

user output
`0` view save

Test 18

Group: 2

Verdict: ACCEPTED

input
`950287` view save

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

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

Test 19

Group: 2

Verdict: ACCEPTED

input
`950516` view save

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

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

Test 20

Group: 2

Verdict: ACCEPTED

input
`921882` view save

correct output
`0` view save

user output
`0` view save

Test 21

Group: 3

Verdict: ACCEPTED

input
`933942296856681219` view save

correct output
`0` view save

user output
`0` view save

Test 22

Group: 3

Verdict: ACCEPTED

input
`955775764385016720` view save

correct output
`0` view save

user output
`0` view save

Test 23

Group: 3

Verdict: ACCEPTED

input
`981578916796073406` view save

correct output
`0` view save

user output
`0` view save

Test 24

Group: 3

Verdict: ACCEPTED

input
`927875200723222396` view save

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

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

Test 25

Group: 3

Verdict: ACCEPTED

input
`990125206148420558` view save

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

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

Test 26

Group: 3

Verdict: ACCEPTED

input
`964804802247123102` view save

correct output
`0` view save

user output
`0` view save

Test 27

Group: 3

Verdict: ACCEPTED

input
`996610423667404231` view save

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

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

Test 28

Group: 3

Verdict: ACCEPTED

input
`948665008088793691` view save

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

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

Test 29

Group: 3

Verdict: ACCEPTED

input
`969397787818953279` view save

correct output
`0` view save

user output
`0` view save

Test 30

Group: 3

Verdict: ACCEPTED

input
`918471787211371085` view save

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

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

Datatähti Open 2017

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 (grikukan)