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#754161#9556. The Hanged Manucup-team3282#AC ✓242ms122964kbC++142.2kb2024-11-16 14:23:202024-11-16 14:23:21

Judging History

你现在查看的是最新测评结果

  • [2024-11-16 14:23:21]
  • 评测
  • 测评结果：AC
  • 用时：242ms
  • 内存：122964kb
查看
  • [2024-11-16 14:23:20]
  • 提交

answer

#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
vector<int>link[3000050];
int deg[3000050];
vector<pair<int,int>>prd;
int dfs(int p,int fa){
    vector<int>ln;
    int pr=0;
    for(auto x:link[p]){
        if(x==fa)continue;
        int op=dfs(x,p);
        // cout<<x<<"="<<op<<endl;
        if(op>0)ln.push_back(op);
        else{
            if(pr){
                ln.push_back(-op);
            }else{
                // cout<<"check!"<<p<<endl;
                pr=-op;
            }
        }
    }
    if(pr==0){
        for(int i=1;i<ln.size();i+=2){
            // cout<<ln[i]<<" "<<ln[i+1];
            prd.push_back(make_pair(ln[i],ln[i-1]));
        }
        if(ln.size()&1){
            return -ln[ln.size()-1];
        }else{
            return p;
        }
    }else{
        for(int i=1;i<ln.size();i+=2){
            // cout<<ln[i]<<" "<<ln[i+1];
            prd.push_back(make_pair(ln[i],ln[i-1]));

        }
        
        if(ln.size()&1){
            if(p==1){
                prd.push_back(make_pair(pr,ln[ln.size()-1]));
                return 0;
            }
            // cout<<pr<<" "<<p<<endl;
            prd.push_back(make_pair(pr,p));
            return -ln[ln.size()-1];
        }else{
            return -pr;
        }
    }
}

int main(){
    int t;cin>>t;while(t--){
        int n;cin>>n;
        for(int i=1;i<=n;i++){
            link[i].clear();
            deg[i]=0;
        }
        for(int i=1;i<n;i++){
            int f,t;cin>>f>>t;
            link[f].push_back(t);
            link[t].push_back(f);
            deg[f]++;deg[t]++;
        }
        int op=0;
        for(int i=1;i<=n;i++){
            if(deg[i]%2==0){
                op=1;
            }
        }
        if(op==0){
            cout<<-1<<endl;
        }else{
            int r=dfs(1,0);
            
            if(r<0){
                // cout<<r<<" "<<1<<endl;
                prd.push_back(make_pair(-r,1));
            }
            cout<<prd.size()<<endl;
            for(auto x:prd){
                cout<<x.first<<" "<<x.second<<endl;
            }
            prd.clear();
        }
    }
}
Source code, Language: C++14

这程序好像有点Bug，我给组数据试试？

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 8ms
memory: 75128kb

input:

3
4
1 2
2 3
2 4
7
1 2
1 3
1 4
4 5
4 6
4 7
6
1 2
2 3
2 4
1 5
5 6

output:

-1
3
6 5
3 2
7 1
2
4 3
6 2

result:

ok Good Job! (3 test cases)

Test #2:

score: 0
Accepted
time: 7ms
memory: 74848kb

input:

3
6
1 2
1 3
1 4
4 5
4 6
2
1 2
2
2 1

output:

-1
-1
-1

result:

ok Good Job! (3 test cases)

Test #3:

score: 0
Accepted
time: 140ms
memory: 74948kb

input:

100000
3
1 3
2 1
3
2 3
1 2
3
2 3
1 3
3
2 1
1 3
3
1 2
2 3
3
1 3
2 3
3
2 1
1 3
3
2 3
1 2
3
2 3
1 3
3
2 1
1 3
3
2 3
1 2
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
2 3
1 3
3
1 3
2 1
3
1 2
2 3
3
1 3
2 3
3
2 1
1 3
3
1 2
2 3
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
1 3
2 3
3
2 1
1 3
3
2 3
1 2
3
2...

output:

1
2 3
1
3 1
1
2 1
1
3 2
1
3 1
1
2 1
1
3 2
1
3 1
1
2 1
1
3 2
1
3 1
1
2 1
1
2 3
1
3 1
1
2 1
1
2 3
1
3 1
1
2 1
1
3 2
1
3 1
1
2 1
1
2 3
1
3 1
1
2 1
1
2 3
1
3 1
1
2 1
1
3 2
1
3 1
1
2 1
1
2 3
1
3 1
1
2 1
1
2 3
1
3 1
1
2 1
1
3 2
1
3 1
1
2 1
1
2 3
1
3 1
1
2 1
1
3 2
1
3 1
1
2 1
1
3 2
1
3 1
1
2 1
1
2 3
1
3 1
...

result:

ok Good Job! (100000 test cases)

Test #4:

score: 0
Accepted
time: 115ms
memory: 75116kb

input:

75000
4
3 1
2 1
1 4
4
3 1
2 4
1 2
4
2 1
1 3
3 4
4
1 4
2 1
3 4
4
2 1
3 2
1 4
4
3 2
2 4
1 2
4
2 3
3 4
1 2
4
3 4
2 4
1 2
4
3 1
1 4
2 3
4
3 2
1 3
2 4
4
2 3
1 3
3 4
4
1 3
3 4
2 4
4
3 1
1 4
2 4
4
3 2
2 4
1 4
4
2 3
3 4
1 4
4
3 4
2 4
1 4
4
1 4
2 1
3 1
4
2 4
3 1
1 2
4
2 1
3 4
1 3
4
2 1
1 4
3 4
4
1 4
2 1
3 2
...

output:

-1
1
4 3
1
4 2
1
3 2
1
3 4
-1
1
4 1
1
3 1
1
2 4
1
4 1
-1
1
2 1
1
2 3
1
3 1
1
2 1
-1
-1
1
4 3
1
4 2
1
3 2
1
3 4
-1
1
4 1
1
3 1
1
2 4
1
4 1
-1
1
2 1
1
2 3
1
3 1
1
2 1
-1
-1
1
4 3
1
4 2
1
3 2
1
3 4
-1
1
4 1
1
3 1
1
2 4
1
4 1
-1
1
2 1
1
2 3
1
3 1
1
2 1
-1
-1
1
4 3
1
4 2
1
3 2
1
3 4
-1
1
4 1
1
3 1
1
2 4
...

result:

ok Good Job! (75000 test cases)

Test #5:

score: 0
Accepted
time: 132ms
memory: 75096kb

input:

60000
5
2 1
3 1
4 1
1 5
5
1 2
4 1
2 5
3 1
5
1 3
3 5
4 1
2 1
5
2 1
4 5
1 4
3 1
5
3 1
1 5
2 1
4 5
5
3 1
4 2
1 5
2 1
5
1 2
3 1
2 5
4 2
5
4 1
1 2
3 5
2 3
5
3 1
2 4
4 5
1 2
5
4 5
3 1
2 5
1 2
5
1 5
2 1
3 1
4 3
5
1 3
4 1
2 5
3 2
5
4 3
2 1
1 3
3 5
5
3 4
1 3
4 5
2 1
5
2 1
1 3
4 5
3 5
5
3 4
4 1
1 5
2 1
5
3 1
...

output:

2
3 2
5 4
2
3 4
5 1
2
2 4
5 1
2
3 2
5 1
2
2 3
4 1
2
5 3
4 1
2
4 5
3 2
1
5 4
1
5 3
1
4 3
2
2 5
4 1
1
5 4
2
5 4
3 2
1
5 2
1
4 2
2
2 5
3 1
1
5 3
1
5 2
2
3 5
2 4
1
3 2
2
4 2
3 1
1
4 3
1
4 2
1
3 2
2
3 4
5 2
2
4 5
3 1
2
5 3
4 2
1
5 4
1
5 3
1
3 4
2
4 3
2 5
2
4 5
3 1
2
5 2
4 1
2
5 2
3 1
2
4 2
3 1
1
4 5
2
4 ...

result:

ok Good Job! (60000 test cases)

Test #6:

score: 0
Accepted
time: 131ms
memory: 74540kb

input:

50000
6
1 6
5 1
4 1
2 1
3 1
6
5 1
3 1
1 2
2 6
4 1
6
4 1
5 1
1 3
2 1
3 6
6
4 6
2 1
5 1
3 1
1 4
6
5 6
1 5
4 1
3 1
2 1
6
4 1
5 6
2 1
1 6
3 1
6
1 6
3 1
2 1
5 2
4 1
6
3 1
5 2
1 2
2 6
4 1
6
4 1
2 3
5 1
1 2
3 6
6
4 6
1 2
3 1
2 4
5 1
6
1 2
5 6
2 5
3 1
4 1
6
1 2
2 6
4 1
3 1
5 6
6
5 3
3 1
1 6
2 1
4 1
6
5 1
3 ...

output:

-1
2
3 5
6 4
2
5 4
6 2
2
5 2
6 3
2
3 4
6 2
2
2 4
5 3
2
3 6
5 4
-1
2
5 4
6 1
2
5 3
6 1
2
4 3
6 1
2
3 4
5 1
2
2 6
5 4
2
4 5
6 1
-1
2
5 2
6 1
2
4 2
6 1
2
2 4
5 1
2
6 3
5 2
2
5 3
6 1
2
5 2
6 1
-1
2
3 2
6 1
2
3 2
5 1
2
2 3
4 6
2
4 3
6 1
2
2 4
6 1
2
3 2
6 1
-1
2
2 3
4 1
2
5 3
4 2
2
3 4
5 1
2
4 2
5 1
2
2 3...

result:

ok Good Job! (50000 test cases)

Test #7:

score: 0
Accepted
time: 92ms
memory: 75096kb

input:

42857
7
3 1
2 1
5 1
6 1
4 1
1 7
7
4 1
1 2
6 1
3 1
2 7
5 1
7
3 7
2 1
1 3
4 1
6 1
5 1
7
4 7
1 4
6 1
5 1
2 1
3 1
7
4 1
1 5
6 1
3 1
5 7
2 1
7
6 7
5 1
2 1
4 1
1 6
3 1
7
6 7
2 1
1 7
3 1
5 1
4 1
7
4 1
5 1
6 2
3 1
2 1
1 7
7
1 2
4 1
6 2
3 1
2 7
5 1
7
6 1
2 3
4 1
5 1
1 2
3 7
7
6 1
4 7
3 1
1 2
5 1
2 4
7
1 2
3 ...

output:

3
2 3
6 5
7 4
3
6 4
5 3
7 1
3
4 2
5 6
7 1
3
5 6
3 2
7 1
3
6 4
2 3
7 1
3
2 5
3 4
7 1
3
3 2
4 5
6 1
3
5 4
7 3
6 1
3
7 6
4 2
5 3
2
4 6
7 5
2
3 6
7 5
2
6 3
7 4
2
5 3
7 4
2
5 4
6 3
3
4 7
2 5
6 1
2
4 6
7 5
3
6 7
4 2
5 3
2
5 2
7 6
2
2 6
7 4
2
4 5
7 2
2
2 5
6 4
3
3 2
7 5
6 1
2
5 3
7 6
2
2 6
7 5
3
6 7
5 4
3 ...

result:

ok Good Job! (42857 test cases)

Test #8:

score: 0
Accepted
time: 107ms
memory: 75404kb

input:

37500
8
5 1
1 8
7 1
4 1
6 1
2 1
3 1
8
3 1
2 8
4 1
6 1
1 2
7 1
5 1
8
3 8
4 1
2 1
1 3
6 1
5 1
7 1
8
1 4
5 1
7 1
6 1
4 8
2 1
3 1
8
1 5
5 8
4 1
2 1
3 1
7 1
6 1
8
1 6
3 1
4 1
2 1
5 1
6 8
7 1
8
1 7
6 1
4 1
3 1
5 1
7 8
2 1
8
5 1
4 1
2 1
1 8
6 1
7 8
3 1
8
1 8
4 1
2 1
5 1
7 2
3 1
6 1
8
6 1
5 1
7 2
4 1
2 8
3 ...

output:

-1
3
4 3
7 6
8 5
3
2 4
5 6
8 7
3
7 5
2 6
8 3
3
2 4
7 3
8 6
3
4 3
5 2
8 7
3
4 6
5 3
8 2
3
4 5
6 2
7 3
3
4 8
3 5
7 6
-1
3
6 5
4 7
8 1
3
7 5
6 3
8 1
3
3 6
7 4
8 1
3
7 4
3 5
8 1
3
5 4
6 3
8 1
3
5 4
3 6
7 1
3
5 2
8 6
7 4
3
4 6
7 5
8 1
-1
3
2 5
7 6
8 1
3
4 7
2 6
8 1
3
5 4
2 7
8 1
3
6 4
2 5
8 1
3
2 5
6 4
7...

result:

ok Good Job! (37500 test cases)

Test #9:

score: 0
Accepted
time: 80ms
memory: 74564kb

input:

300
1000
815 567
883 63
783 506
485 779
142 248
218 214
617 238
481 567
20 203
119 212
953 179
44 830
427 156
97 916
763 172
484 512
916 21
417 958
408 257
238 634
891 213
90 208
394 56
758 819
435 26
636 718
880 212
458 662
123 212
239 156
548 314
852 436
722 828
271 429
493 27
910 421
354 143
956 ...

output:

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
...

result:

ok Good Job! (300 test cases)

Test #10:

score: 0
Accepted
time: 119ms
memory: 79104kb

input:

3
100000
21854 12448
41900 78683
26279 40303
96957 78925
50096 72644
14704 14585
44195 23551
3290 42026
25017 64658
4593 10713
29129 13530
62892 43675
23793 13329
97502 10091
78766 44620
59301 95815
25781 93162
12231 24059
77637 66545
53889 84545
65596 58277
31337 87701
29049 43837
99301 2408
41562 ...

output:

-1
-1
-1

result:

ok Good Job! (3 test cases)

Test #11:

score: 0
Accepted
time: 150ms
memory: 87692kb

input:

1
300000
264872 86229
63995 164384
180167 260692
169708 168083
149321 50390
177160 60629
178607 170744
176734 60911
231963 17936
49668 90468
205798 261858
7645 12727
240590 1798
8446 139678
32309 208096
226620 119112
204528 63548
110330 250899
219366 144880
258130 23221
203423 40874
45194 78650
1571...

output:

-1

result:

ok Good Job! (1 test case)

Test #12:

score: 0
Accepted
time: 92ms
memory: 74452kb

input:

30000
10
1 6
4 8
7 5
6 10
3 1
8 2
2 9
9 10
5 9
10
3 7
2 6
6 9
1 6
4 10
9 10
5 6
7 2
8 3
10
8 10
6 3
2 1
3 2
1 10
7 4
5 2
9 8
4 9
10
4 1
6 8
2 10
9 10
7 2
5 2
8 7
1 6
3 1
10
6 2
3 6
9 6
7 10
8 2
2 1
5 3
1 4
4 10
10
2 8
3 6
5 7
7 8
1 6
8 10
9 2
4 6
6 10
10
1 5
4 3
6 4
7 1
2 3
5 9
8 2
3 10
9 6
10
2 7
5...

output:

2
4 9
7 3
2
5 4
8 1
2
6 2
5 7
3
9 2
3 4
5 1
3
5 6
9 2
8 7
3
9 8
4 3
5 1
2
8 3
10 7
2
9 3
2 5
3
9 3
2 5
10 4
3
4 6
3 2
7 1
3
10 3
8 5
9 1
2
4 8
5 6
3
5 3
4 2
10 8
3
8 4
5 10
7 1
3
8 2
9 3
6 5
4
3 10
6 8
9 5
7 1
3
7 3
5 8
9 1
3
3 5
2 7
4 1
3
6 10
7 3
9 4
3
8 9
2 10
6 1
2
4 6
7 1
3
5 6
4 8
2 1
3
2 7
4 ...

result:

ok Good Job! (30000 test cases)

Test #13:

score: 0
Accepted
time: 115ms
memory: 75048kb

input:

3000
99
79 72
72 6
1 90
94 89
31 28
59 89
78 85
73 35
57 45
45 99
38 57
11 70
26 14
92 13
35 52
30 18
61 15
29 86
60 22
5 57
17 84
36 84
70 37
10 86
80 91
34 87
65 8
42 88
87 25
88 43
8 47
33 78
62 47
15 73
83 77
24 33
97 38
23 77
20 34
85 32
55 22
63 10
66 30
39 5
28 62
89 15
37 49
16 75
74 66
47 4...

output:

29
93 3
79 19
80 8
59 94
89 61
36 17
84 74
40 30
81 52
9 50
7 63
41 33
82 69
24 78
23 83
11 85
51 48
65 47
55 60
16 27
22 14
26 58
97 57
76 45
77 4
67 44
56 43
95 88
53 1
30
4 92
93 50
63 43
40 68
25 59
88 13
29 11
47 98
60 51
95 15
81 56
80 41
10 61
38 77
30 85
74 14
27 91
12 6
42 87
57 66
22 97
53...

result:

ok Good Job! (3000 test cases)

Test #14:

score: 0
Accepted
time: 162ms
memory: 80820kb

input:

3
100000
83890 7467
75295 89651
4062 83955
60269 26734
58357 54437
22200 48174
87338 74094
86583 7977
1136 84701
34461 47665
82355 28324
32412 16170
5270 73823
37181 86410
22445 59139
27816 47294
540 79932
73768 41579
14577 92388
31765 75494
49018 24756
57215 90140
86438 22430
3974 15829
59053 22856...

output:

28400
38802 83504
10714 98128
66631 94600
50266 53267
64339 1482
16458 59467
63766 28352
84024 27019
11125 84782
30434 23833
12048 99591
81951 5880
13546 99947
17169 49853
85943 9755
44692 97148
39897 5569
55322 24038
80601 46957
93562 45474
93604 55319
88970 4339
79911 41126
48076 92739
27868 33305...

result:

ok Good Job! (3 test cases)

Test #15:

score: 0
Accepted
time: 205ms
memory: 87604kb

input:

1
300000
30683 45175
202516 82288
209967 151196
160370 148366
36159 83057
277846 18399
58641 259342
220025 290125
299864 69137
276256 59853
163412 98854
211643 219357
45085 203080
17046 259484
175009 201826
220413 253746
280406 235850
107084 114346
6196 164024
149354 242637
8884 201047
102007 121900...

output:

85153
227014 226276
40395 244586
44921 36514
87671 248273
112432 44506
124260 127461
171425 185705
275988 53526
86866 28535
260919 48117
290836 188774
123386 22242
254580 277432
162399 72450
61167 17215
286250 138975
99851 268439
238013 297610
228912 20246
82935 206652
220943 173774
137323 281049
27...

result:

ok Good Job! (1 test case)

Test #16:

score: 0
Accepted
time: 173ms
memory: 122964kb

input:

1
300000
98923 244101
265083 199522
178854 130825
233559 275176
51110 162632
100454 144508
203138 94733
112144 116959
221684 184011
122356 174675
240265 56410
83529 213874
174757 59833
87918 98194
231431 71105
145121 105056
205429 60598
114418 168280
249115 124674
160102 183789
27460 854
72909 12628...

output:

1
250509 253307

result:

ok Good Job! (1 test case)

Test #17:

score: 0
Accepted
time: 197ms
memory: 87868kb

input:

1
300000
51552 258960
174014 1763
298103 122466
80039 102474
90881 123355
37816 182571
209856 199049
68745 246931
231305 147333
256217 77569
277988 49579
174054 154053
74959 60605
281490 278569
131850 7894
138112 208044
207380 67110
1334 204240
117581 152706
90835 142455
54402 68306
264004 244539
99...

output:

85191
89842 29228
99056 76921
68683 133308
269471 97829
95348 160299
96888 55041
145563 35225
101865 244628
221710 218749
190990 17762
252824 28112
212754 67712
97427 41618
122035 167256
265183 141277
167613 145198
112824 27402
208463 116758
96572 70404
103004 285201
234144 220359
182074 284556
9461...

result:

ok Good Job! (1 test case)

Test #18:

score: 0
Accepted
time: 151ms
memory: 80920kb

input:

3
100000
43104 39350
58310 72159
1910 78304
366 33335
3494 5822
948 92660
11882 15212
69203 4346
45739 21275
65867 55409
61694 88089
71479 40349
35887 88786
52148 61962
82180 65178
93823 47701
43116 75915
86963 34539
50583 74229
40562 91601
12139 88394
52559 57679
25481 60170
31207 85832
4201 92027
...

output:

28431
94601 5914
88822 6591
20481 50688
72262 98154
37602 34174
49231 67200
42824 22751
47425 37513
36864 65889
19280 31013
15669 99605
23492 71031
36220 30164
33274 18142
23405 10380
96312 47883
59423 97834
4963 72398
87690 76033
55467 49199
680 57988
43237 75853
78526 99092
27407 62359
39613 72698...

result:

ok Good Job! (3 test cases)

Test #19:

score: 0
Accepted
time: 156ms
memory: 122372kb

input:

1
299999
153306 123584
100430 137396
151712 125355
180598 178628
178522 156317
6811 124889
41530 107031
35237 104587
235884 157908
130785 274651
141969 58315
203297 225663
192833 74643
223470 99863
272704 178999
163551 250862
133718 39962
199271 24737
159107 66084
139074 91207
229404 47856
273704 12...

output:

1
211007 141316

result:

ok Good Job! (1 test case)

Test #20:

score: 0
Accepted
time: 69ms
memory: 74380kb

input:

3000
100
9 37
30 16
87 75
66 20
89 79
78 72
48 5
62 100
61 95
69 93
23 86
18 48
32 24
91 43
54 93
92 63
15 7
6 92
67 35
65 89
8 26
21 98
1 65
40 85
36 41
77 39
56 44
69 70
46 67
80 60
94 96
14 36
34 99
84 62
22 74
23 79
46 19
27 51
11 14
18 70
85 8
73 6
97 40
71 83
41 98
61 87
2 90
45 5
20 44
17 81
...

output:

1
2 25
1
82 31
1
82 48
1
95 51
1
58 88
1
51 31
1
14 98
1
33 95
1
29 41
1
22 80
1
11 90
1
57 1
1
75 7
1
25 80
1
26 60
1
53 14
1
63 1
1
17 7
1
8 1
1
100 33
1
54 50
1
11 57
1
30 88
1
28 99
1
69 23
1
87 34
1
32 8
1
77 94
1
70 30
1
4 74
1
34 75
1
99 71
1
23 99
1
5 81
1
29 34
1
46 26
1
56 27
1
19 72
1
65 ...

result:

ok Good Job! (3000 test cases)

Test #21:

score: 0
Accepted
time: 241ms
memory: 106356kb

input:

1
299999
123584 153306
137396 100430
114758 125355
180598 13155
156317 178522
124889 6811
41530 27377
104587 35237
157908 235884
130785 44576
141969 129416
225663 203297
120350 74643
20300 99863
295855 178999
198163 250862
133718 148059
24737 199271
66084 159107
91207 139074
229404 89529
273704 1565...

output:

149999
37266 211007
11999 200879
60007 42721
27264 186847
168918 238901
128434 104377
166398 16950
54607 32487
36096 132405
259128 56533
104873 54072
248224 278891
51169 231355
6029 272859
270603 269039
274636 152728
212267 223096
21399 267911
220115 8757
44070 124154
145808 51060
235148 56725
29299...

result:

ok Good Job! (1 test case)

Test #22:

score: 0
Accepted
time: 172ms
memory: 78324kb

input:

10
29999
29014 14470
26823 2725
13020 1832
9002 521
22160 26983
2964 2174
20830 22020
19201 4850
19060 10457
23936 2163
22700 29072
28735 4318
15942 8678
10533 9761
8946 29013
12121 555
14303 26560
18146 20485
16984 345
22717 347
21795 27399
20125 489
6200 24303
21419 17994
28274 28769
28326 25399
1...

output:

14999
28453 23907
15770 2920
4578 10326
24984 27593
1186 21879
8661 23588
6245 22099
26588 11850
27247 27395
753 10476
18957 12794
15447 22591
22536 17765
17275 19499
445 16647
25765 27680
16011 16086
28687 13029
2733 22326
1258 8253
18060 8517
14385 19084
1407 3375
19322 10732
12939 26691
14557 289...

result:

ok Good Job! (10 test cases)

Test #23:

score: 0
Accepted
time: 223ms
memory: 88660kb

input:

1
299999
258553 127891
200368 10642
134395 33327
66807 64283
298570 239432
106569 74919
101275 256095
215172 160205
258907 145255
294970 120844
120747 17359
231598 191111
103394 179995
276483 13575
153143 236649
32255 165538
13973 180565
114480 173795
280161 260850
239991 6207
137809 102438
160694 2...

output:

149999
183289 150566
39022 56831
196533 171296
173825 58665
277670 93045
205575 198120
296022 143740
83922 228580
157760 4823
45095 153730
215781 144871
150634 13985
203807 188815
14698 298874
35007 51715
286626 24603
176218 216594
70137 36653
158405 238113
286765 247760
55136 9393
121236 25544
6177...

result:

ok Good Job! (1 test case)

Test #24:

score: 0
Accepted
time: 152ms
memory: 76400kb

input:

10
29999
21547 280
5396 29060
21129 24483
1948 5302
5994 20221
12679 20525
23088 2218
24614 17646
9854 7760
23220 29541
9824 25475
9144 8680
17400 22930
3583 13702
14210 16949
4145 4827
4927 15200
5195 13939
23998 23812
20779 22916
19383 23442
29184 11705
12676 19405
4120 11612
24747 1107
25087 1775...

output:

14999
24339 15275
9719 18281
29805 26302
17159 26068
20307 3819
10371 18583
23121 23226
27192 21418
29344 25389
18677 25438
6685 25218
3529 4690
19948 22675
16874 2938
25116 21424
19869 11769
17137 6026
22264 25083
29154 16957
20635 8964
7319 13590
1837 11422
28903 21070
4617 11337
153 22963
23826 1...

result:

ok Good Job! (10 test cases)

Test #25:

score: 0
Accepted
time: 124ms
memory: 74344kb

input:

27000
11
3 5
11 3
2 3
7 1
10 8
8 6
9 8
3 1
8 4
1 8
11
3 1
1 2
5 6
11 1
6 9
10 6
4 8
1 5
1 7
5 8
11
1 3
6 11
4 6
10 1
1 8
2 6
7 11
1 9
11 1
6 5
11
3 7
6 8
11 3
9 6
3 8
6 4
1 8
5 9
10 3
2 9
11
8 5
6 8
11 5
8 2
7 11
4 5
8 9
3 10
3 11
8 1
11
7 3
2 3
9 1
8 10
8 1
9 5
3 9
4 1
6 8
11 3
11
8 5
8 1
6 8
11 8
...

output:

5
11 5
6 10
4 9
8 7
2 1
5
10 9
4 5
2 3
7 11
6 1
5
2 4
5 11
10 3
9 8
7 1
5
2 5
4 9
11 7
10 8
6 1
5
10 11
7 5
2 6
4 8
9 1
5
2 7
11 9
6 10
4 8
5 1
5
2 4
9 10
6 5
7 11
3 1
5
5 4
9 11
2 3
10 6
8 1
5
7 6
3 10
2 9
8 11
4 1
5
2 7
3 4
5 6
9 10
11 1
5
11 4
9 10
8 6
7 2
3 1
5
11 8
9 7
4 10
6 5
2 1
5
3 8
10 9
1...

result:

ok Good Job! (27000 test cases)

Test #26:

score: 0
Accepted
time: 71ms
memory: 75412kb

input:

30000
6
5 3
6 2
4 1
1 3
2 1
4
4 2
1 4
1 3
11
9 1
10 11
11 3
11 9
4 6
3 7
2 11
1 6
1 5
8 9
17
6 15
10 7
8 17
13 11
3 8
15 4
16 3
12 4
15 10
2 6
6 9
5 13
5 14
2 1
10 5
8 15
14
14 5
1 6
12 4
8 14
5 9
13 5
4 9
1 13
7 13
5 3
11 14
5 10
2 13
12
3 6
5 1
8 3
12 2
12 7
5 4
9 4
11 10
6 12
12 5
4 11
17
15 11
1...

output:

2
6 4
5 1
1
2 3
4
2 10
7 9
5 4
8 1
6
11 5
14 10
16 8
17 7
12 6
9 1
5
11 8
3 14
12 5
2 7
10 6
4
10 4
7 2
9 5
8 1
6
13 2
4 3
11 10
9 8
12 14
7 1
5
3 5
11 2
9 7
10 12
4 1
-1
2
4 5
3 1
4
8 3
4 7
6 11
2 9
3
2 10
3 9
5 1
4
3 11
13 10
6 2
7 8
3
6 9
2 3
10 1
1
4 2
2
3 4
2 1
-1
1
3 1
1
2 3
3
5 4
10 3
7 1
4
4...

result:

ok Good Job! (30000 test cases)

Test #27:

score: 0
Accepted
time: 159ms
memory: 83868kb

input:

1
253253
50359 179100
159762 56963
156480 129546
194694 165531
171829 15612
8904 244239
167203 79755
59278 193676
6064 179420
93089 11873
208865 161063
72803 55831
6938 69443
182632 252034
15492 123140
26694 88239
59982 95642
209852 233064
205527 137224
222851 93508
28102 71250
250703 159154
54445 3...

output:

84362
221471 214222
180757 223950
116462 122548
75226 119613
123618 32686
14301 116466
103725 64851
216887 55223
81722 59820
31025 252795
159333 221177
157290 252162
23265 216520
65992 28271
43297 236331
221804 129657
105899 234841
15356 247946
223789 123279
22048 168106
52494 158346
193303 24754
23...

result:

ok Good Job! (1 test case)

Test #28:

score: 0
Accepted
time: 135ms
memory: 75244kb

input:

300
1855
1007 450
4 615
1845 844
426 65
1135 79
1020 1386
935 343
936 16
219 1370
1495 131
1409 13
1087 31
63 804
145 1689
1750 1731
694 623
243 626
418 1383
1396 990
1234 385
867 969
779 337
615 732
657 286
1134 1651
269 582
903 1755
478 1384
1360 1060
144 1082
217 1537
185 61
1634 1813
313 876
879...

output:

612
839 350
1501 1837
1760 668
143 1705
1102 708
764 746
1183 331
600 1184
1451 418
1672 1383
934 977
968 263
446 349
927 503
486 539
1201 545
1066 453
361 29
603 1289
1848 745
213 997
710 1234
1836 634
1394 1228
316 464
57 1663
1640 662
510 1356
1171 1807
1780 241
821 904
1618 850
826 1765
760 501
...

result:

ok Good Job! (300 test cases)

Test #29:

score: 0
Accepted
time: 200ms
memory: 87116kb

input:

1
297722
2542 280838
47066 211579
45334 161254
161254 3387
161254 81700
286925 161254
188708 161254
163323 239454
177641 142518
161254 141588
161254 289112
161254 132883
161254 264103
161254 7898
131553 35341
274424 85972
161254 111454
161254 245526
195088 87188
83391 252892
74347 144981
248942 2949...

output:

49500
9424 3387
66446 2411
43895 17961
114802 132883
77408 27124
270644 189672
78091 68163
20436 22471
246556 16736
236659 19890
99931 105669
295485 295187
291175 295601
92566 124888
167261 103033
229644 233030
274385 80502
226548 171476
99969 272170
43055 10219
284727 116169
146336 279657
27129 714...

result:

ok Good Job! (1 test case)

Test #30:

score: 0
Accepted
time: 183ms
memory: 86844kb

input:

1
297687
114063 114325
61315 256781
17004 254276
279378 173674
50685 133866
254276 270764
254276 168958
160573 254276
183000 144763
254276 41646
138547 226105
254276 62934
250757 284583
254276 147160
254276 62486
163839 23030
246684 80048
219153 38897
254276 184254
297273 295022
146005 254276
229491...

output:

74500
168958 270764
41646 102396
236361 62934
184254 294131
229491 146005
284465 145456
84360 252959
181740 18377
153762 221679
143098 21780
196416 176765
136377 104644
125274 59069
235389 141815
189341 66078
138231 296678
108815 253337
163051 98747
33789 57888
200344 200560
176599 211930
254389 207...

result:

ok Good Job! (1 test case)

Test #31:

score: 0
Accepted
time: 196ms
memory: 89480kb

input:

1
298467
24310 131068
270342 284416
110818 163791
140749 270342
200509 156894
128257 270342
286273 39457
230236 150598
48559 18558
271934 270342
270342 221456
270342 240611
146171 270342
142089 270342
265273 37099
4824 207615
273677 270342
270342 233942
131877 270342
282024 14594
58550 270342
3225 1...

output:

99500
45750 284416
258911 271934
146171 4274
44790 285233
69725 233942
101680 58550
112868 101481
291074 247170
71298 214678
67846 189495
75457 98283
249713 289069
179285 13857
239658 103082
54663 37727
178634 91537
151382 191408
19474 294260
268830 112683
94392 75834
33154 56469
209627 284071
74652...

result:

ok Good Job! (1 test case)

Test #32:

score: 0
Accepted
time: 120ms
memory: 87416kb

input:

1
299096
43798 64829
64829 22308
25723 64829
125491 64829
132554 64829
64829 31091
82698 64829
161922 64829
64829 48363
153172 64829
198568 64829
64829 68075
246874 64829
64829 122620
64829 237999
64829 257438
44676 64829
64829 295759
64829 45750
64829 17755
195879 64829
86788 64829
172696 64829
648...

output:

-1

result:

ok Good Job! (1 test case)

Test #33:

score: 0
Accepted
time: 180ms
memory: 91424kb

input:

1
299097
55978 208819
55978 222666
55978 118386
176498 55978
177724 55978
55978 286400
7823 55978
55978 86011
258404 55978
55978 127466
55978 52857
34668 55978
31665 55978
55978 160320
55978 239002
290038 55978
55978 36827
55978 280050
55978 104777
55978 158847
52282 55978
206198 55978
55978 58412
1...

output:

149548
222666 208819
176498 118386
286400 177724
86011 7823
127466 258404
34668 52857
160320 31665
290038 239002
280050 36827
158847 104777
206198 52282
158676 58412
130153 106284
83730 262744
98968 87284
295978 282354
247495 172986
69851 193012
169064 279835
58450 160705
16418 284089
263605 92496
2...

result:

ok Good Job! (1 test case)

Test #34:

score: 0
Accepted
time: 187ms
memory: 91660kb

input:

1
299097
166438 82625
82625 128838
82625 141580
83485 82625
82625 210941
82625 40444
82625 45514
112980 82625
82625 8971
82625 240680
53717 82625
82625 243508
275918 82625
82625 214884
80291 82625
82625 244056
278345 82625
82625 50552
82625 84626
234287 82625
227857 82625
82625 282783
82625 169441
1...

output:

149548
128838 166438
83485 141580
40444 210941
112980 45514
240680 8971
243508 53717
214884 275918
244056 80291
50552 278345
234287 84626
282783 227857
1413 169441
191958 143280
141476 153073
252875 148589
224039 85463
282876 269930
36413 282912
55929 6466
181852 73964
184784 1058
137909 149551
5553...

result:

ok Good Job! (1 test case)

Test #35:

score: 0
Accepted
time: 187ms
memory: 91672kb

input:

1
299097
260330 58892
133029 58892
58892 172471
42729 58892
58892 26074
58892 99490
58892 3974
59464 58892
58892 186328
119256 58892
225649 58892
162394 58892
58892 128284
58892 215895
281775 58892
275533 58892
58892 149488
167782 58892
22771 58892
58892 63000
58892 9677
83128 58892
58892 121018
588...

output:

149548
133029 260330
42729 172471
99490 26074
59464 3974
119256 186328
162394 225649
215895 128284
275533 281775
167782 149488
63000 22771
83128 9677
288822 121018
112020 66044
260473 277110
35006 68644
127209 99291
130518 200917
210701 235295
11396 57873
195229 249308
286320 159762
169660 120559
23...

result:

ok Good Job! (1 test case)

Test #36:

score: 0
Accepted
time: 152ms
memory: 76340kb

input:

10
29462
10852 16001
15495 6444
21756 23481
23752 13053
21560 13691
9711 23194
24917 23476
13053 18916
5 8995
17585 23447
644 13053
27831 13053
22383 10656
15443 21538
10814 3308
4868 2089
23555 13053
25895 13053
12345 13893
13053 14041
13053 8611
4444 15324
23999 27186
27037 13053
23208 22273
22940...

output:

4950
1154 12215
5306 29434
15569 3021
10580 8611
14277 1191
6190 8638
29185 7158
25806 12010
22528 4753
2602 13566
28122 3372
12712 24273
12714 1618
14156 27724
16790 2321
10242 24845
26105 26699
7105 4735
9310 13279
22690 12085
8116 8273
14559 311
13396 5308
4509 6195
2669 26022
1390 23786
27073 13...

result:

ok Good Job! (10 test cases)

Test #37:

score: 0
Accepted
time: 96ms
memory: 75360kb

input:

100
2959
1769 2187
2304 2429
2635 1931
271 2342
1671 153
707 1154
2597 1668
1048 204
1242 1301
926 2013
1557 2752
488 1893
613 1809
1416 2395
120 1179
982 321
2686 86
2313 2009
878 848
1447 2207
728 1885
2812 1683
1290 1627
2701 135
933 1099
1719 393
2355 2519
1368 384
311 1080
823 1642
459 2670
266...

output:

50
2522 1884
27 1041
578 80
816 1522
458 2165
239 2585
1482 323
1777 419
534 2483
1515 2022
1518 2646
2141 338
2750 1826
855 439
2190 2700
1481 1153
126 455
2944 1886
2634 1713
459 1205
2185 579
1226 2178
1618 2340
2657 2182
655 340
1885 2329
2525 2193
1428 1457
1984 2377
1766 2066
234 2235
1228 147...

result:

ok Good Job! (100 test cases)

Test #38:

score: 0
Accepted
time: 99ms
memory: 74600kb

input:

1000
294
200 192
200 46
43 256
85 47
98 12
127 200
111 127
257 124
168 32
45 274
197 49
200 27
144 38
156 256
148 202
200 80
31 248
35 66
282 128
60 200
189 37
88 54
238 280
44 245
46 263
220 53
144 200
200 55
58 184
200 153
84 173
31 284
24 170
200 211
22 244
232 242
200 208
188 26
139 154
251 104
...

output:

48
102 263
72 292
158 246
201 265
208 48
124 78
118 44
2 7
34 240
89 224
191 242
11 172
8 258
125 16
182 69
13 169
293 243
235 21
50 173
63 62
103 97
9 206
231 105
92 155
176 164
276 5
150 266
165 114
142 193
279 51
93 281
244 135
73 205
259 207
116 122
261 74
133 285
32 177
141 278
40 3
291 94
267 ...

result:

ok Good Job! (1000 test cases)

Test #39:

score: 0
Accepted
time: 242ms
memory: 88816kb

input:

1
299997
253129 238438
256990 147794
56683 265606
62100 74831
58006 231602
227120 138613
72936 16010
271383 221839
110579 31739
13864 11106
196180 159069
78858 61661
262511 279235
45738 172410
2512 6066
144552 29625
194524 184023
196218 229474
256817 33532
166763 175023
188106 91596
93278 158818
280...

output:

149998
39235 110766
75643 184037
147480 55782
125801 277141
263863 136463
99612 219409
174683 214095
141778 72711
71458 241022
133696 232694
43547 158503
235721 85732
259656 59455
266934 289444
277856 35970
153980 121560
95512 298879
180176 92956
30891 203248
190141 240639
217216 161059
204390 13259...

result:

ok Good Job! (1 test case)

Test #40:

score: 0
Accepted
time: 231ms
memory: 87148kb

input:

1
299995
251405 13382
21412 273614
170998 239060
142811 89087
163686 80590
54073 23173
29717 93866
155059 150414
171846 663
218307 10405
252692 83378
131202 289721
52385 252854
293096 280491
216796 237285
242784 243233
52784 6922
68312 26488
205497 147202
65036 297840
58601 67107
164525 57839
167843...

output:

149997
90699 141921
17085 155348
290896 176596
279499 295087
141600 267088
50814 215458
210135 215516
6883 171745
9880 119417
50991 263772
267989 34855
106607 186288
183228 209285
137723 164952
230140 131678
41335 102582
9575 51508
34339 171473
114860 296012
233886 152329
238347 240653
11305 92538
2...

result:

ok Good Job! (1 test case)

Test #41:

score: 0
Accepted
time: 227ms
memory: 88560kb

input:

1
299993
5467 110867
249637 87281
209055 74176
170317 272027
19928 97403
158898 19368
120942 93881
150886 63314
221175 188504
125295 79790
241291 263489
258417 196595
157362 130040
163372 85682
261036 45856
257946 163512
54262 17552
251249 14029
213457 65927
265238 36030
4861 71772
159755 111439
375...

output:

149996
29176 211547
45275 223263
109262 113399
228505 6392
98492 271088
112361 56253
120958 150004
44096 80836
114604 134433
77599 178992
105128 79956
80480 48804
177243 258148
40965 31547
3329 131603
237431 274401
138274 282027
213954 114229
184128 30824
199442 201127
131556 108449
147401 52286
941...

result:

ok Good Job! (1 test case)

Test #42:

score: 0
Accepted
time: 229ms
memory: 88544kb

input:

1
299991
248982 174625
105559 244297
35265 128781
206509 158409
13863 41023
249166 59270
215265 188850
218206 113138
126624 205065
241101 283870
31511 34427
237845 182965
134293 221193
214509 104965
67564 158810
198261 216053
115921 200242
245392 107170
62619 285117
48060 132083
166094 84748
150023 ...

output:

149995
200138 156084
23493 118203
104563 157760
125740 154243
95269 147119
123149 62968
279344 184316
156518 227222
55108 130286
271484 229697
103689 189964
179955 102104
106095 113415
65490 22128
32489 142498
207624 222394
210055 217859
88204 297420
115205 261112
76215 47192
231005 295361
203184 18...

result:

ok Good Job! (1 test case)

Test #43:

score: 0
Accepted
time: 216ms
memory: 87828kb

input:

1
299999
185541 176688
252501 252009
201515 181336
174664 10052
235206 78841
271650 240453
177704 41444
30343 236755
136584 224074
123830 176470
119252 294416
176341 111829
241834 52983
35945 184402
68227 225761
146133 151540
249663 70136
156441 42951
95322 152829
259090 103376
84766 152588
150129 1...

output:

149999
136809 58203
119346 173725
199425 98539
126050 50238
194806 34814
229278 143019
250316 263691
11848 60522
133042 104218
187982 250887
264754 271206
124026 29097
167961 273560
44178 83089
91669 160794
21558 130969
195168 165994
54713 255281
129417 31219
223234 149420
144975 61385
129373 193672...

result:

ok Good Job! (1 test case)

Test #44:

score: 0
Accepted
time: 228ms
memory: 87660kb

input:

1
299997
46586 268160
120257 162918
155586 87070
233774 236522
195573 139640
213343 184602
26338 174317
236326 103114
246267 241694
166020 217647
73806 217138
115817 291894
296219 281396
231138 217264
57086 215561
296205 295067
174916 36910
262907 177629
268640 277927
33944 172724
299448 298104
2913...

output:

149998
36951 106517
61738 56453
211268 203032
25748 212089
118630 117599
135302 76514
1246 238561
252509 70974
130267 83334
141546 45185
24614 119216
16242 153267
35725 183414
205413 183332
141577 111795
27012 168170
176984 17307
97274 192334
112241 124848
72948 1558
109518 220952
221243 170168
2381...

result:

ok Good Job! (1 test case)

Test #45:

score: 0
Accepted
time: 156ms
memory: 74468kb

input:

100
2997
1842 108
983 1626
2076 2280
1960 2673
2029 1154
1506 836
144 1843
173 1775
322 1567
1632 1092
2608 2819
2737 2888
24 2046
400 2487
2396 2569
2072 1695
2223 2237
2175 592
694 2236
2523 2322
2211 2325
2196 2888
1509 1586
2376 2272
2063 2310
2471 2612
2530 2101
1618 25
1830 1404
2646 743
2256 ...

output:

1498
154 1008
1802 692
232 1029
214 841
391 2043
1334 262
2282 2219
2550 1791
2635 2143
1225 1353
1227 1933
2403 1183
2691 804
401 1147
2633 2692
2796 2725
317 87
1511 25
341 770
1952 721
724 55
240 2099
2142 2003
349 215
723 2166
2224 389
2278 333
2348 2413
79 1425
45 1639
1678 808
1389 2155
1080 7...

result:

ok Good Job! (100 test cases)

Extra Test:

score: 0
Extra Test Passed
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