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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#117085#6667. Prosjekeyiigjkn#0 187ms3720kbC++141.2kb2023-06-30 12:51:322024-05-31 18:41:22

Judging History

This is the latest submission verdict.

  • [2024-05-31 18:41:22]
  • Judged
  • Verdict: 0
  • Time: 187ms
  • Memory: 3720kb
  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-06-30 12:51:32]
  • Submitted

answer

# include <bits/stdc++.h>
using namespace std;
using ll=long long;
int que[70];
bool vis[70];
ll a[1000010];
vector<ll> vec[70];
vector<pair<ll,ll>> ans;
ll work(ll x,ll y)
{
	ans.emplace_back(x,y);
	return (x+y)/2;
}
int main()
{
	ios::sync_with_stdio(false);cin.tie(nullptr);
	int T,n;ll x;
	cin>>T;
	while(T--)
	{
		int l=1,r=1;
		cin>>n;
		for(int i=1;i<=n;i++) cin>>x,vec[__lg(x&-x)].push_back(x);
		for(int i=0;i<60;i++)
			if(vec[i].size()>1) vis[que[r++]=i]=1;
		while(l<r)
		{
			int k=que[l++];
			vis[k]=0;
			ll x=vec[k].back();vec[k].pop_back();
			ll y=vec[k].back();vec[k].pop_back();
			x=work(x,y);
			int tk=__lg(x&-x);
			vec[tk].push_back(x);
			if(!vis[k] && vec[k].size()>1) vis[que[r++]=k]=1;
			if(!vis[tk] && vec[tk].size()>1) vis[que[r++]=tk]=1;
		}
		int tot=0;
		static ll b[70];
		for(int i=1;i<60;i++)
			if(!vec[i].empty()) b[++tot]=vec[i].front();
		for(int i=tot-1;i>=1;i--) b[i]=work(b[i],b[i+1]);
		if(tot && !vec[0].empty())
		{
			if(b[1]&1) work(b[1],vec[0].front());
			else ans.clear();
		}
		if(ans.empty()) cout<<"-1\n";
		else for(auto &i:ans) cout<<i.first<<" "<<i.second<<"\n";
		fill(vis,vis+60,0);
		for(int i=0;i<60;i++) vec[i].clear();
		ans.clear();
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 0
Wrong Answer
time: 1ms
memory: 3596kb

input:

99
4
739880851158065302 19206582949872932 883064254701115295 222072661880779376
7
148399819461615003 209088712310207988 53191076581680214 445068618251612752 230505279594622109 115754892157516718 804173775829453588
2
77979357045500669 41693388829622019
3
341612949433488278 609808714829036935 19994167...

output:

-1
230505279594622109 148399819461615003
115754892157516718 53191076581680214
189452549528118556 804173775829453588
496813162678786072 445068618251612752
209088712310207988 470940890465199412
84472984369598466 340014801387703700
41693388829622019 77979357045500669
341612949433488278 1999416745065738...

result:

wrong answer you didn't find a solution but jury did (test case 1)

Subtask #2:

score: 0
Runtime Error

Test #16:

score: 0
Runtime Error

input:

100
3
3 3 2
3
4 1 1
4
1 3 4 4
6
4 4 2 3 1 2
4
0 2 1 4
3
0 2 0
7
3 3 1 1 3 4 0
2
0 4
4
1 4 2 3
7
4 0 0 3 2 3 4
4
4 2 0 3
7
0 2 2 1 4 2 4
7
3 0 3 1 2 0 3
4
4 3 1 4
6
2 3 0 1 3 4
5
1 4 0 3 4
5
4 2 0 4 2
3
0 1 2
6
4 1 4 2 0 4
7
4 2 4 3 1 3 1
4
1 4 4 0
2
1 1
6
0 3 3 0 0 4
7
4 3 0 3 3 3 4
4
4 1 1 3
6
2 0 ...

output:


result:


Subtask #3:

score: 0
Runtime Error

Test #34:

score: 16
Accepted
time: 138ms
memory: 3720kb

input:

100000
5
846784256447769304 457696478728961702 128469521648960690 597630796847754190 104256763714529164
5
658897822238868978 472135077337628566 399538027669313322 622703684108675696 425723088635325654
5
917704960887390986 140817562615382054 877934664521057998 782212806618666818 616380973421914538
8
...

output:

597630796847754190 128469521648960690
846784256447769304 363050159248357440
104256763714529164 604917207848063372
457696478728961702 354586985781296268
425723088635325654 399538027669313322
472135077337628566 658897822238868978
622703684108675696 412630558152319488
565516449788248772 517667121130497...

result:

ok correct (100000 test cases)

Test #35:

score: 0
Accepted
time: 136ms
memory: 3588kb

input:

100000
4
132941437397264810 143141501854884272 958712444844113692 341497234016264540
7
923004266892618172 15365813785503270 930609521602302292 819335542601433618 213670074288711286 150311691204302148 244405681344585926
5
371893080714371800 575829750571342010 292988012239447120 115093373296591180 268...

output:

341497234016264540 958712444844113692
650104839430189116 143141501854884272
132941437397264810 396623170642536694
244405681344585926 213670074288711286
150311691204302148 930609521602302292
229037877816648606 819335542601433618
540460606403302220 923004266892618172
731732436647960196 524186710209041...

result:

ok correct (100000 test cases)

Test #36:

score: 0
Accepted
time: 145ms
memory: 3656kb

input:

100000
4
928198344825292264 690070772109811286 244045206839989604 561025252182682906
3
627239866615848210 42470017740412280 54251562555326842
3
490057757292451598 818062735467254804 348318035919019310
2
551686081736618768 194488231774246450
3
112852023970360962 332810104058707034 451110399052627062
...

output:

561025252182682906 690070772109811286
625548012146247096 928198344825292264
244045206839989604 776873178485769680
54251562555326842 627239866615848210
340745714585587526 42470017740412280
348318035919019310 490057757292451598
419187896605735454 818062735467254804
194488231774246450 55168608173661876...

result:

ok correct (100000 test cases)

Test #37:

score: 0
Accepted
time: 172ms
memory: 3712kb

input:

50000
15
970453612553526824 403854393807928174 722892131244078370 35115189723455662 375191889860000444 915405723947874872 635574780184696680 264400470199418708 859039596531178468 27938184881043946 553805664139227226 876314307095280030 571028682295683456 30435765695090076 81051167961127742
20
7987413...

output:

81051167961127742 876314307095280030
30435765695090076 859039596531178468
635574780184696680 915405723947874872
478682737528203886 553805664139227226
516244200833715556 264400470199418708
27938184881043946 35115189723455662
31526687302249804 390322335516567132
722892131244078370 403854393807928174
2...

result:

ok correct (50000 test cases)

Test #38:

score: 0
Accepted
time: 180ms
memory: 3712kb

input:

50000
20
998788559176849620 191593882411529926 342711646561735406 56435783243285828 213144199738872896 552932543009462260 862655508602678778 197769932466201968 649107231900330578 606332158266321414 679519095246181928 69228654018660218 907522706303602556 706594708190768848 317996892998797510 98299001...

output:

82951860797867962 233934493014788330
280145788708142508 801974222113409124
706594708190768848 197769932466201968
158443176906328146 317996892998797510
238220034952562828 982990013470682716
541060005410775816 679519095246181928
69228654018660218 606332158266321414
610605024211622772 90752270630360255...

result:

ok correct (50000 test cases)

Test #39:

score: 0
Accepted
time: 187ms
memory: 3720kb

input:

50000
19
687533614023914694 738663892302361454 628044408557611320 475365328934162610 242048409095362442 254414508714647088 415287407545536222 333427085181162020 691789987581261114 501496830456417768 370865072857248388 610878478005084624 460491699469405256 995621599317911412 72184531803437802 5221300...

output:

402837784917503802 473640262986677202
995621599317911412 370865072857248388
435000735991149736 522130070969414520
478565403480282128 610878478005084624
438239023952090502 72184531803437802
683243336087579900 333427085181162020
255211777877764152 460491699469405256
508335210634370960 5447219407426833...

result:

ok correct (50000 test cases)

Test #40:

score: 0
Accepted
time: 153ms
memory: 3596kb

input:

30000
25
701453932981408346 465306500019836282 792774089369512740 928134668660137906 489548012753296822 563069662510759842 456553328586506700 752651620972947846 610563120623014800 946872198162810216 382124190056540228 528408240467204940 156080508230960224 755279683495886594 353003950140523154 726814...

output:

304233754191711742 691288776835558270
759546580482469476 671093790812801428
264865148139811024 331430792491044112
497761265513635006 561451759575364210
715320185647635452 528408240467204940
298147970315427568 610563120623014800
187841411256048522 607769333277773430
529606512544499608 946872198162810...

result:

ok correct (30000 test cases)

Test #41:

score: 0
Accepted
time: 168ms
memory: 3660kb

input:

30000
24
802553849623129746 211707666543464912 78106851365388652 41150834245659428 824295231323480318 65220471583082028 504011063830422278 582465764474213950 653316240753155704 254391730000013712 73470169815090336 70058062306145696 320805890715812130 762434076887201766 107191591092647094 66623182252...

output:

40187248199180534 556915919971198542
317895789993303868 713862378171374300
476075710640293640 653316240753155704
66623182252282192 254391730000013712
70058062306145696 73470169815090336
298551584085189538 801262516027000718
515879084082339084 65220471583082028
160507456126147952 211707666543464912
9...

result:

ok correct (30000 test cases)

Test #42:

score: 0
Accepted
time: 168ms
memory: 3640kb

input:

30000
27
457692759396051910 105542225399435134 28952855744712754 551775949854678384 243201017518706110 830727952675976422 770508119165800012 202072001288194376 842102259870000526 184524967708115324 636362069740656520 654459612358466674 183209892432401444 100513548134942846 72707763558771580 42597951...

output:

300417521345265250 859029090720613882
932151312699294980 935240383379985812
154087971015879464 88106760930326920
80157746650466448 968793307366073360
579723306032939566 259672969948699182
933695848039640396 938142428437837892
935919138238739144 121097365973103192
528508252105921168 52447552700826990...

result:

ok correct (30000 test cases)

Test #43:

score: -16
Runtime Error

input:

100
365633
240280625535601202 938026129049958522 147115906397155306 652580989323075650 725975096118295602 205776298062652394 601103849421971138 331987681752388762 840580362429635958 835259996207496842 119358021292888398 319502650126227206 963133797479057582 879470558738716974 741484002023142690 3370...

output:


result:


Subtask #4:

score: 0
Runtime Error

Test #46:

score: 0
Runtime Error

input:

100
211957
911918942087402387 344230223346742784 16289402153237664 528890583619159010 886281719684850237 865484734102017297 321851390502278959 754268375474197153 237414161302130571 135637002716682378 824412491959977735 162505521049217610 246319278060116103 666703181591704279 650875500699154233 96397...

output:


result: