CSES - HIIT Open 2017 - Results
Submission details
Task:Contest
Sender:Game of Nolife
Submission time:2017-05-27 11:45:49 +0300
Language:C++
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.03 sdetails
#2ACCEPTED0.06 sdetails
#3ACCEPTED0.04 sdetails
#4ACCEPTED0.07 sdetails
#5ACCEPTED0.06 sdetails
#6ACCEPTED0.08 sdetails
#7ACCEPTED0.06 sdetails
#8ACCEPTED0.05 sdetails
#9ACCEPTED0.05 sdetails
#10ACCEPTED0.07 sdetails
#11ACCEPTED0.07 sdetails
#12ACCEPTED0.05 sdetails
#13ACCEPTED0.03 sdetails
#14ACCEPTED0.06 sdetails
#15ACCEPTED0.07 sdetails
#16ACCEPTED0.04 sdetails
#17ACCEPTED0.07 sdetails
#18ACCEPTED0.06 sdetails
#19ACCEPTED0.06 sdetails
#20ACCEPTED0.05 sdetails
#21ACCEPTED0.03 sdetails
#22ACCEPTED0.04 sdetails
#23ACCEPTED0.07 sdetails
#24ACCEPTED0.06 sdetails
#25ACCEPTED0.05 sdetails
#26ACCEPTED0.06 sdetails
#27ACCEPTED0.04 sdetails
#28ACCEPTED0.07 sdetails
#29ACCEPTED0.05 sdetails
#30ACCEPTED0.05 sdetails
#31ACCEPTED0.07 sdetails
#32ACCEPTED0.12 sdetails
#33ACCEPTED0.07 sdetails
#34ACCEPTED0.09 sdetails
#35ACCEPTED0.12 sdetails
#36ACCEPTED0.11 sdetails
#37ACCEPTED0.08 sdetails
#38ACCEPTED0.10 sdetails
#39ACCEPTED0.07 sdetails
#40ACCEPTED0.11 sdetails
#41ACCEPTED0.11 sdetails
#42ACCEPTED0.08 sdetails
#43ACCEPTED0.06 sdetails
#44ACCEPTED0.10 sdetails
#45ACCEPTED0.08 sdetails
#46ACCEPTED0.07 sdetails

Code

#include <bits/stdc++.h>
#define F first
#define S second
#define X real()
#define Y imag()
using namespace std;
typedef long long ll;
typedef long double ld;

int get1(int i){
	cout<<"1 "<<i<<endl;
	int x;
	cin>>x;
	return x;
}

int get2(int i){
	cout<<"2 "<<i<<endl;
	int x;
	cin>>x;
	return x;
}

void ans(int i){
	cout<<"3 "<<i<<endl;
	exit(0);
}

vector<pair<int, int> > s1;
vector<pair<int, int> > s2;

int n,k;

void lol1(int x){
	if (x<1||x>n) return;
	int a=get1(x);
	s1.push_back({a, x});
}

void lol2(int x){
	if (x<1||x>n) return;
	int a=get2(x);
	s2.push_back({a, x});
}

void go(int x){
	int mi=1;
	int ma=n;
	while (mi<=ma){
		int mid=(mi+ma)/2;
		int k1=mid;
		int k2=k-mid+x;
		if (k1<1) mi=mid+1;
		else if(k1>n) ma=mid-1;
		else if(k2<1) ma=mid-1;
		else if(k2>n) mi=mid+1;
		else{
			int a=get1(k1);
			int b=get2(k2);
			s1.push_back({a, k1});
			s2.push_back({b, k2});
			if (a>b){
				mi=mid+1;
			}
			else if(a<b){
				ma=mid-1;
			}
			else{
				assert(0);
			}
		}
	}
	lol1(mi-1+x);
	lol1(mi+x);
	lol1(mi+1+x);
	
	lol2(k-mi-1-x);
	lol2(k-mi-x);
	lol2(k-mi-x+1);
}

int main(){
	cin>>n>>k;
	go(0);
	go(1);
	sort(s1.rbegin(), s1.rend());
	sort(s2.rbegin(), s2.rend());
	int h1=0;
	int h2=0;
	int i2=0;
	for (int i=0;i<(int)s1.size();i++){
		while (i2<(int)s2.size()&&s2[i2].F>s1[i].F){
			h2=max(h2, s2[i2].S);
			if (h1+h2==k){
				ans(s2[i2].F);
			}
			i2++;
		}
		h1=max(h1, s1[i].S);
		if (h1+h2==k){
			ans(s1[i].F);
		}
	}
	while (i2<(int)s2.size()){
		h2=max(h2, s2[i2].S);
		if (h1+h2==k){
			ans(s2[i2].F);
		}
		i2++;
	}
}

Test details

Test 1

Verdict: ACCEPTED

input
1 1
33
18

correct output
(empty)

user output
1 1
1 1
33
2 1
18
...

Test 2

Verdict: ACCEPTED

input
1 1
37
55

correct output
(empty)

user output
1 1
1 1
37
2 1
55
...

Test 3

Verdict: ACCEPTED

input
1 2
80
38

correct output
(empty)

user output
1 2
1 1
80
2 1
38
...

Test 4

Verdict: ACCEPTED

input
1 2
29
48

correct output
(empty)

user output
1 2
1 1
29
2 1
48
...

Test 5

Verdict: ACCEPTED

input
2 1
98 91
83 14

correct output
(empty)

user output
2 1
1 1
98
1 2
91
...

Test 6

Verdict: ACCEPTED

input
2 1
25 23
39 31

correct output
(empty)

user output
2 1
1 1
25
1 2
23
...

Test 7

Verdict: ACCEPTED

input
2 1
73 57
77 32

correct output
(empty)

user output
2 1
1 1
73
1 2
57
...

Test 8

Verdict: ACCEPTED

input
2 2
77 64
63 2

correct output
(empty)

user output
2 2
1 1
77
2 1
63
...

Test 9

Verdict: ACCEPTED

input
2 2
61 28
97 90

correct output
(empty)

user output
2 2
1 1
61
2 1
97
...

Test 10

Verdict: ACCEPTED

input
2 2
87 66
75 38

correct output
(empty)

user output
2 2
1 1
87
2 1
75
...

Test 11

Verdict: ACCEPTED

input
2 4
70 39
33 12

correct output
(empty)

user output
2 4
1 2
39
2 2
12
...

Test 12

Verdict: ACCEPTED

input
2 4
47 20
67 52

correct output
(empty)

user output
2 4
1 2
20
2 2
52
...

Test 13

Verdict: ACCEPTED

input
2 4
54 20
90 1

correct output
(empty)

user output
2 4
1 2
20
2 2
1
...

Test 14

Verdict: ACCEPTED

input
2 4
68 66
64 61

correct output
(empty)

user output
2 4
1 2
66
2 2
61
...

Test 15

Verdict: ACCEPTED

input
2 4
35 27
68 66

correct output
(empty)

user output
2 4
1 2
27
2 2
66
...

Test 16

Verdict: ACCEPTED

input
2 4
51 32
25 18

correct output
(empty)

user output
2 4
1 2
32
2 2
18
...

Test 17

Verdict: ACCEPTED

input
10 1
100 78 74 72 71 70 64 57 43 39
29 26 22 21 15 13 11 9 4 3

correct output
(empty)

user output
10 1
1 1
100
1 2
78
...

Test 18

Verdict: ACCEPTED

input
10 1
56 52 49 48 17 14 13 12 9 3
99 98 84 80 78 75 69 67 66 62

correct output
(empty)

user output
10 1
1 1
56
1 2
52
...

Test 19

Verdict: ACCEPTED

input
10 1
91 86 73 65 53 42 28 14 13 6
100 77 70 58 52 41 35 33 17 9

correct output
(empty)

user output
10 1
1 1
91
1 2
86
...

Test 20

Verdict: ACCEPTED

input
10 2
88 87 69 68 64 63 57 55 54 51
50 36 35 31 27 22 15 14 8 1

correct output
(empty)

user output
10 2
1 1
88
2 1
50
...

Test 21

Verdict: ACCEPTED

input
10 2
31 28 26 16 13 9 8 6 5 2
95 87 80 78 76 65 59 53 41 40

correct output
(empty)

user output
10 2
1 1
31
2 1
95
...
Truncated

Test 22

Verdict: ACCEPTED

input
10 2
98 93 89 68 61 41 32 30 23 4
96 86 76 75 73 58 35 29 26 7

correct output
(empty)

user output
10 2
1 1
98
2 1
96
...
Truncated

Test 23

Verdict: ACCEPTED

input
10 10
99 86 85 84 82 81 77 74 71 69
45 27 26 24 21 18 15 13 11 4

correct output
(empty)

user output
10 10
1 5
82
2 5
21
...
Truncated

Test 24

Verdict: ACCEPTED

input
10 10
46 41 40 28 24 23 18 14 8 4
100 94 90 85 78 77 75 68 59 54

correct output
(empty)

user output
10 10
1 5
24
2 5
78
...
Truncated

Test 25

Verdict: ACCEPTED

input
10 10
91 80 68 39 38 37 31 30 7 1
100 95 87 71 67 41 33 18 17 11

correct output
(empty)

user output
10 10
1 5
38
2 5
67
...
Truncated

Test 26

Verdict: ACCEPTED

input
10 18
87 86 85 80 79 74 64 60 59 47
43 39 37 34 29 27 26 16 6 5

correct output
(empty)

user output
10 18
1 8
60
2 10
5
...
Truncated

Test 27

Verdict: ACCEPTED

input
10 18
54 48 42 38 28 27 22 19 15 5
100 96 91 84 79 73 72 64 63 60

correct output
(empty)

user output
10 18
1 8
19
2 10
60
...
Truncated

Test 28

Verdict: ACCEPTED

input
10 18
98 87 84 71 62 59 45 38 34 10
89 86 77 73 69 67 46 32 31 6

correct output
(empty)

user output
10 18
1 8
38
2 10
6
...
Truncated

Test 29

Verdict: ACCEPTED

input
10 20
91 90 86 79 73 71 67 65 61 56
46 44 36 25 18 11 6 5 3 1

correct output
(empty)

user output
10 20
1 10
56
2 10
1
...

Test 30

Verdict: ACCEPTED

input
10 20
56 48 47 46 35 28 26 18 10 3
95 90 89 85 79 77 67 66 62 59

correct output
(empty)

user output
10 20
1 10
3
2 10
59
...

Test 31

Verdict: ACCEPTED

input
10 20
81 80 79 76 71 63 57 34 29 24
96 70 61 59 52 36 22 5 4 2

correct output
(empty)

user output
10 20
1 10
24
2 10
2
...

Test 32

Verdict: ACCEPTED

input
100000 1
999998453 999997813 999980598 ...

correct output
(empty)

user output
100000 1
1 1
999998453
1 2
999997813
...
Truncated

Test 33

Verdict: ACCEPTED

input
100000 1
498482877 498480230 498478078 ...

correct output
(empty)

user output
100000 1
1 1
498482877
1 2
498480230
...
Truncated

Test 34

Verdict: ACCEPTED

input
100000 1
999986977 999979153 999972315 ...

correct output
(empty)

user output
100000 1
1 1
999986977
1 2
999979153
...
Truncated

Test 35

Verdict: ACCEPTED

input
100000 20000
999990977 999974610 999971985 ...

correct output
(empty)

user output
100000 20000
1 12500
937576459
2 7500
463000603
...
Truncated

Test 36

Verdict: ACCEPTED

input
100000 20000
501434689 501431546 501422578 ...

correct output
(empty)

user output
100000 20000
1 12500
438807451
2 7500
962584594
...
Truncated

Test 37

Verdict: ACCEPTED

input
100000 20000
999995686 999994228 999993000 ...

correct output
(empty)

user output
100000 20000
1 12500
875396528
2 7500
924929459
...
Truncated

Test 38

Verdict: ACCEPTED

input
100000 100000
999992342 999991618 999988963 ...

correct output
(empty)

user output
100000 100000
1 50000
750743799
2 50000
249323673
...
Truncated

Test 39

Verdict: ACCEPTED

input
100000 100000
500754694 500749114 500734428 ...

correct output
(empty)

user output
100000 100000
1 50000
249818189
2 50000
750771880
...
Truncated

Test 40

Verdict: ACCEPTED

input
100000 100000
999988713 999962210 999939592 ...

correct output
(empty)

user output
100000 100000
1 50000
499530532
2 50000
499176370
...
Truncated

Test 41

Verdict: ACCEPTED

input
100000 180000
999994001 999991970 999991811 ...

correct output
(empty)

user output
100000 180000
1 87500
561931156
2 92500
38062922
...
Truncated

Test 42

Verdict: ACCEPTED

input
100000 180000
499560736 499555703 499549265 ...

correct output
(empty)

user output
100000 180000
1 87500
61253256
2 92500
536762910
...
Truncated

Test 43

Verdict: ACCEPTED

input
100000 180000
999996507 999993660 999990414 ...

correct output
(empty)

user output
100000 180000
1 87500
122903262
2 92500
74404464
...
Truncated

Test 44

Verdict: ACCEPTED

input
100000 200000
999987384 999983480 999981446 ...

correct output
(empty)

user output
100000 200000
1 100000
499647604
2 100000
16029
...
Truncated

Test 45

Verdict: ACCEPTED

input
100000 200000
500801844 500800718 500792295 ...

correct output
(empty)

user output
100000 200000
1 100000
8183
2 100000
500805123
...
Truncated

Test 46

Verdict: ACCEPTED

input
100000 200000
999984710 999974756 999965175 ...

correct output
(empty)

user output
100000 200000
1 100000
13769
2 100000
2005
...
Truncated