CSES - Datatähti 2018 alku - Results
Submission details
Task:Bittijono
Sender:Tannhäuser
Submission time:2017-10-04 19:03:17 +0300
Language:C++
Status:READY
Result:7
Feedback
groupverdictscore
#1ACCEPTED7
#20
#30
#40
Test results
testverdicttimegroup
#1ACCEPTED0.23 s1details
#2ACCEPTED0.24 s1details
#3ACCEPTED0.17 s1details
#4ACCEPTED0.14 s1details
#5ACCEPTED0.17 s1details
#6ACCEPTED0.14 s1details
#7ACCEPTED0.14 s1details
#8ACCEPTED0.18 s1details
#9ACCEPTED0.17 s1details
#10ACCEPTED0.14 s1details
#110.14 s2details
#120.17 s2details
#13ACCEPTED0.15 s2details
#14ACCEPTED0.21 s2details
#15ACCEPTED0.15 s2details
#16ACCEPTED0.17 s2details
#170.17 s2details
#18ACCEPTED0.14 s2details
#19ACCEPTED0.14 s2details
#200.17 s2details
#21ACCEPTED0.14 s3details
#220.18 s3details
#230.15 s3details
#240.19 s3details
#250.14 s3details
#260.15 s3details
#270.14 s3details
#280.14 s3details
#290.14 s3details
#300.15 s3details
#310.21 s4details
#320.21 s4details
#330.22 s4details
#340.22 s4details
#350.24 s4details
#360.21 s4details
#370.20 s4details
#380.22 s4details
#390.21 s4details
#400.22 s4details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:31:10: warning: unused variable 'y' [-Wunused-variable]
      int y = i;
          ^

Code

#include <bits/stdc++.h>
#define N (1<<19)
#define ll long long
#define ld long double
#define M 1000000007
#define INF 0x5ADFACE5
#define LINF 0x51DEEFFEC7C0DECALL
#define pii pair<int, int>
#define pll pair<long long, long long>
#define F first
#define S second
using namespace std;
pii b[500002][32];
pii f[500002][32];
int foo[500002][32];
int main () {
int n;
cin>>n;
b[1][0] = {0, 0};
f[1][0] = {-1, 0};
int mx = 1;
for (int i = 1; i < 50; i++) {
for (int j = i - 1; j >= 0; j--) {
for (int k = mx; k >= 1; k--) {
if (f[k][j] != make_pair(0, 0) || b[k][j] != make_pair(0, 0)) {
//cout<<k<<" "<<j<<endl;
int y = i;
int x = j;
int ys = b[k][j].S;
int xs = b[k][j].F;
{
int s = 2 * k - ys;
if (s <= n + 1 && b[s][x] == make_pair(0, 0)) {
b[s][x] = {xs, k};
f[s][x] = {k, j};
foo[s][x] = foo[k][j];
//cout<<"set "<<s<<" "<<x<<" "<<foo[s][x]<<endl;
mx = max(mx, s);
if (s == n + 1) {
int y = n + 1;
int e = b[y][x].F;
int ch = 0;
cout<<foo[y][x];
while (y != 1) {
pii p = f[y][x];
x = p.S;
y = p.F;
if (b[y][x].F != e) {
ch = 1 - ch;
}
if (y != 1) cout<<foo[y][x];
e = b[y][x].F;
}
cout<<endl;
return 0;
}
if (s >= 99995) return 0;
}
}
{
int s = 2 * k - xs;
if (s <= n + 1 && b[s][x] == make_pair(0, 0)) {
b[s][i - 1] = {ys, k};
f[s][i - 1] = {k, j};
foo[s][i - 1] = 1 - foo[k][j];
//cout<<"set "<<s<<" "<<i - 1<<" "<<foo[s][i - 1]<<endl;
mx = max(mx, s);
if (s == n + 1) {
int x = i - 1;
int y = n + 1;
int e = b[y][x].F;
int ch = 0;
cout<<foo[y][x];
while (y != 1) {
pii p = f[y][x];
x = p.S;
y = p.F;
if (b[y][x].F != e) {
ch = 1 - ch;
}
if (y != 1) cout<<foo[y][x];
e = b[y][x].F;
}
cout<<endl;
return 0;
}
}
}
}
}
}
}
}
/*string sol2 (const int n) {
for (int l = 1;; l++) {
bool b = 0;
for (int i = 0; i < (1<<l); i++) {
int dp[l];
int l1 = -1;
int l0 = -1;
for (int j = 0; j < l; j++) {
dp[j] = 0;
if (i & (1<<j)) {
if (j) dp[j] = 2 * dp[j - 1];
else dp[j] = 2;
if (l1 != -1) dp[j] -= !l1 ? 1 : dp[l1 - 1];
l1 = j;
} else {
if (j) dp[j] = 2 * dp[j - 1];
else dp[j] = 2;
if (l0 != -1) dp[j] -= !l0 ? 1 : dp[l0 - 1];
l0 = j;
}
}
string s;
for (int j = 0; j < l; j++) {
if (i & (1<<j)) s += "1";
else s += "0";
}
if (dp[l - 1] - 1 == n) {
string s;
for (int j = 0; j < l; j++) {
if (i & (1<<j)) s += "1";
else s += "0";
}
cout<<s<<" ";
b = 1;
}
}
if (b) return "";
}
}
string guess (int n) {
if (n == 1) return "0";
if (n == 2) return "00";
int ml = 1;
int mi = 1;
{
int x = 1;
int y = 2;
while (ml + y < n) {
mi++;
ml += y;
int z = x + y;
x = y;
y = z;
}
}
cout<<"["<<mi + 1<<", "<<mi + 3<<"]"<<endl;
while (true) {
for (int l = max(1, mi + 1); l <= min(29, mi + 3); l++) {
for (int t = 0; t < 3000000; t++) {
int i = rand() % (1<<l);
int dp[l];
int l1 = -1;
int l0 = -1;
for (int j = 0; j < l; j++) {
dp[j] = 0;
if (i & (1<<j)) {
if (j) dp[j] = 2 * dp[j - 1];
else dp[j] = 2;
if (l1 != -1) dp[j] -= !l1 ? 1 : dp[l1 - 1];
l1 = j;
} else {
if (j) dp[j] = 2 * dp[j - 1];
else dp[j] = 2;
if (l0 != -1) dp[j] -= !l0 ? 1 : dp[l0 - 1];
l0 = j;
}
}
if (dp[l - 1] - 1 == n) {
string s;
for (int j = 0; j < l; j++) {
if (i & (1<<j)) s += "1";
else s += "0";
}
return s;
}
}
}
}
}
int main () {
srand(time(0));
int n;
cin>>n;
int m;
cin>>m;
while (n <= m) {
cout<<n<<" -> ";
cout<<sol2(n)<<endl;
//cout<<n<<" => "<<guess(n)<<endl;
n++;
}
}*/
/**
15 -> 01100 00110 11001 10011
16 -> 10100 11010 00101 01011
17 -> 10010 10110 01001 01101
18 -> 011110 100001
19 -> 01010 10101
20 -> 011000 000110 111001 100111
21 -> 101000 011100 111010 001110 110001 000101 100011 010111
22 -> 001100 110011
23 -> 110100 100010 101110 010001 011101 001011
24 -> 100100 110110 001001 011011
25 -> 101100 110010 001101 010011
*/

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
1

correct output
1

user output
0

Test 2

Group: 1

Verdict: ACCEPTED

input
2

correct output
11

user output
00

Test 3

Group: 1

Verdict: ACCEPTED

input
3

correct output
10

user output
10

Test 4

Group: 1

Verdict: ACCEPTED

input
4

correct output
1111

user output
0000

Test 5

Group: 1

Verdict: ACCEPTED

input
5

correct output
110

user output
110

Test 6

Group: 1

Verdict: ACCEPTED

input
6

correct output
101

user output
010

Test 7

Group: 1

Verdict: ACCEPTED

input
7

correct output
1110

user output
1110

Test 8

Group: 1

Verdict: ACCEPTED

input
8

correct output
1100

user output
1100

Test 9

Group: 1

Verdict: ACCEPTED

input
9

correct output
1101

user output
0010

Test 10

Group: 1

Verdict: ACCEPTED

input
10

correct output
1001

user output
0110

Test 11

Group: 2

Verdict:

input
38

correct output
1101011

user output
01111111110

Test 12

Group: 2

Verdict:

input
13

correct output
11011

user output
1111110

Test 13

Group: 2

Verdict: ACCEPTED

input
90

correct output
111001010

user output
111001010

Test 14

Group: 2

Verdict: ACCEPTED

input
25

correct output
110010

user output
110010

Test 15

Group: 2

Verdict: ACCEPTED

input
82

correct output
111001101

user output
000110010

Test 16

Group: 2

Verdict: ACCEPTED

input
94

correct output
1100011110

user output
1000011100

Test 17

Group: 2

Verdict:

input
100

correct output
1111001001

user output
01000000000010

Test 18

Group: 2

Verdict: ACCEPTED

input
99

correct output
110010010

user output
110010010

Test 19

Group: 2

Verdict: ACCEPTED

input
98

correct output
110110010

user output
110110010

Test 20

Group: 2

Verdict:

input
92

correct output
100110001

user output
1011111010

Test 21

Group: 3

Verdict: ACCEPTED

input
1666

correct output
101101100100101

user output
010110110010010

Test 22

Group: 3

Verdict:

input
897

correct output
11101001101010

user output
001000010010010

Test 23

Group: 3

Verdict:

input
4466

correct output
111101010110100101

user output
0111110000110101010

Test 24

Group: 3

Verdict:

input
4240

correct output
11011001011010101

user output
10111111111110011010010

Test 25

Group: 3

Verdict:

input
3089

correct output
1011001010100101

user output
0100000001101010010

Test 26

Group: 3

Verdict:

input
4697

correct output
11010101101010110

user output
101001100001010010

Test 27

Group: 3

Verdict:

input
4608

correct output
11010110101001010

user output
0100010000110111010

Test 28

Group: 3

Verdict:

input
4625

correct output
111011001100101001

user output
01000000000001101010010

Test 29

Group: 3

Verdict:

input
4611

correct output
11010101010101100

user output
101000111100101010

Test 30

Group: 3

Verdict:

input
4917

correct output
10110100101010110

user output
110110110001010010

Test 31

Group: 4

Verdict:

input
178555

correct output
1011010110110101010110110

user output
(empty)

Test 32

Group: 4

Verdict:

input
864856

correct output
10111010110110100100101010010

user output
(empty)

Test 33

Group: 4

Verdict:

input
112146

correct output
1101110101011001100100110

user output
(empty)

Test 34

Group: 4

Verdict:

input
741124

correct output
1011010011010101100101011010

user output
(empty)

Test 35

Group: 4

Verdict:

input
511902

correct output
1011010100011010100101001110

user output
(empty)

Test 36

Group: 4

Verdict:

input
920019

correct output
11100100101101010101001101010

user output
(empty)

Test 37

Group: 4

Verdict:

input
933943

correct output
10101011010100100110100111001

user output
(empty)

Test 38

Group: 4

Verdict:

input
973410

correct output
1011010101011010101010101001

user output
(empty)

Test 39

Group: 4

Verdict:

input
954943

correct output
10110110010011010100100110101

user output
(empty)

Test 40

Group: 4

Verdict:

input
911674

correct output
1010110010110101010101010110

user output
(empty)