CSES - HIIT Open 2017 - Results
Submission details
Task:Contest
Sender:Ace of Spades
Submission time:2017-05-27 12:49:55 +0300
Language:C++
Status:READY
Result:
Test results
testverdicttime
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Code

#include <bits/stdc++.h>
using namespace std;
int main() {
    int n,k;
    cin>>n>>k;
    int lo = 0;
    int hi = k;
    while(lo <= hi) {
	int mid = (lo+hi)/2;
	int apos = mid;
	int bpos = k-mid;
	int aok = 1;
	int bok = 1;
	int ma = 1e9+100;
	if(apos != 0) {
	    cout<<1<<' '<<apos<<endl;
	    int q;
	    cin>>q;
	    ma = min(ma, q);
	}
	if(bpos != 0) {
	    cout<<2<<' '<<bpos<<endl;
	    int q;
	    cin>>q;
	    ma = min(ma, q);
	}
	/*
	cout<<apos<<' '<<bpos<<endl;
	cout<<"MA "<<ma<<endl;
	*/
	if(apos != n) {
	    cout<<1<<' '<<apos+1<<endl;
	    int q;
	    cin>>q;
	    if(q > ma) aok = 0;
	}
	if(bpos != n) {
	    cout<<2<<' '<<bpos+1<<endl;
	    int q;
	    cin>>q;
	    if(q > ma) bok = 0;
	}
	/*
	cout<<"lol"<<endl;
	cout<<aok<<' '<<bok<<endl;
	*/
	if(aok && bok) {
	    cout<<ma<<endl;
	    return 0;
	}
	if(!bok && !aok) {
	    cout<<"LOL FAIL"<<endl;
	    while(1);
	}
	if(!bok) {
	    hi = mid-1;
	}
	if(!aok) {
	    lo = mid+1;
	}
	//cout<<lo<<' '<<hi<<endl;
    }

}

Test details

Test 1

Verdict:

input
1 1
33
18

correct output
(empty)

user output
(empty)

Test 2

Verdict:

input
1 1
37
55

correct output
(empty)

user output
(empty)

Test 3

Verdict:

input
1 2
80
38

correct output
(empty)

user output
(empty)

Test 4

Verdict:

input
1 2
29
48

correct output
(empty)

user output
(empty)

Test 5

Verdict:

input
2 1
98 91
83 14

correct output
(empty)

user output
(empty)

Test 6

Verdict:

input
2 1
25 23
39 31

correct output
(empty)

user output
(empty)

Test 7

Verdict:

input
2 1
73 57
77 32

correct output
(empty)

user output
(empty)

Test 8

Verdict:

input
2 2
77 64
63 2

correct output
(empty)

user output
(empty)

Test 9

Verdict:

input
2 2
61 28
97 90

correct output
(empty)

user output
(empty)

Test 10

Verdict:

input
2 2
87 66
75 38

correct output
(empty)

user output
(empty)

Test 11

Verdict:

input
2 4
70 39
33 12

correct output
(empty)

user output
(empty)

Test 12

Verdict:

input
2 4
47 20
67 52

correct output
(empty)

user output
(empty)

Test 13

Verdict:

input
2 4
54 20
90 1

correct output
(empty)

user output
(empty)

Test 14

Verdict:

input
2 4
68 66
64 61

correct output
(empty)

user output
(empty)

Test 15

Verdict:

input
2 4
35 27
68 66

correct output
(empty)

user output
(empty)

Test 16

Verdict:

input
2 4
51 32
25 18

correct output
(empty)

user output
(empty)

Test 17

Verdict:

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
(empty)

Test 18

Verdict:

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
(empty)

Test 19

Verdict:

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
(empty)

Test 20

Verdict:

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
(empty)

Test 21

Verdict:

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
(empty)

Test 22

Verdict:

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
(empty)

Test 23

Verdict:

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
(empty)

Test 24

Verdict:

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
(empty)

Test 25

Verdict:

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
(empty)

Test 26

Verdict:

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 9
59
2 9
6
...

Test 27

Verdict:

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 9
15
2 9
63
...

Test 28

Verdict:

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
(empty)

Test 29

Verdict:

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
(empty)

Test 30

Verdict:

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
(empty)

Test 31

Verdict:

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
(empty)

Test 32

Verdict:

input
100000 1
999998453 999997813 999980598 ...

correct output
(empty)

user output
(empty)

Test 33

Verdict:

input
100000 1
498482877 498480230 498478078 ...

correct output
(empty)

user output
(empty)

Test 34

Verdict:

input
100000 1
999986977 999979153 999972315 ...

correct output
(empty)

user output
(empty)

Test 35

Verdict:

input
100000 20000
999990977 999974610 999971985 ...

correct output
(empty)

user output
(empty)

Test 36

Verdict:

input
100000 20000
501434689 501431546 501422578 ...

correct output
(empty)

user output
(empty)

Test 37

Verdict:

input
100000 20000
999995686 999994228 999993000 ...

correct output
(empty)

user output
(empty)

Test 38

Verdict:

input
100000 100000
999992342 999991618 999988963 ...

correct output
(empty)

user output
(empty)

Test 39

Verdict:

input
100000 100000
500754694 500749114 500734428 ...

correct output
(empty)

user output
(empty)

Test 40

Verdict:

input
100000 100000
999988713 999962210 999939592 ...

correct output
(empty)

user output
(empty)

Test 41

Verdict:

input
100000 180000
999994001 999991970 999991811 ...

correct output
(empty)

user output
100000 180000
1 90000
549258882
2 90000
50126530
...

Test 42

Verdict:

input
100000 180000
499560736 499555703 499549265 ...

correct output
(empty)

user output
100000 180000
1 90000
48927497
2 90000
548853417
...

Test 43

Verdict:

input
100000 180000
999996507 999993660 999990414 ...

correct output
(empty)

user output
100000 180000
1 90000
97972596
2 90000
98995321
...

Test 44

Verdict:

input
100000 200000
999987384 999983480 999981446 ...

correct output
(empty)

user output
(empty)

Test 45

Verdict:

input
100000 200000
500801844 500800718 500792295 ...

correct output
(empty)

user output
(empty)

Test 46

Verdict:

input
100000 200000
999984710 999974756 999965175 ...

correct output
(empty)

user output
(empty)