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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#117037#6667. Prosjekxtqqwq#9 236ms4124kbC++141.3kb2023-06-30 12:33:382024-05-31 18:38:03

Judging History

你现在查看的是最新测评结果

  • [2024-05-31 18:38:03]
  • 评测
  • 测评结果：9
  • 用时：236ms
  • 内存：4124kb
查看
  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-06-30 12:33:38]
  • 提交

answer

#include<bits/stdc++.h>

#define pb push_back
#define fi first
#define se second
#define mp make_pair

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;

template <typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template <typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}

ll readint(){
	ll x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

int n;
ll a[1000005];
vector<pll> ans;

bool solve(vector<ll> vec){
	if(vec.size()==1) return true;
	for(int i=0;i<vec.size();i++){
		for(int j=i+1;j<vec.size();j++){
			if((vec[i]+vec[j])%2) continue;
			vector<ll> th;
			for(int k=0;k<vec.size();k++) if(k!=i&&k!=j) th.pb(vec[k]);
			th.pb((vec[i]+vec[j])/2);
			if(solve(th)){
				ans.pb(mp(vec[i],vec[j]));
				return true;
			}
		}
	}
	return false;
}

int main(){
	int T=readint();
	while(T--){
		n=readint();
		vector<ll> vec(0);
		for(int i=1;i<=n;i++) vec.pb(readint());
		ans.clear();
		if(!solve(vec)) printf("-1\n");
		else{
			reverse(ans.begin(),ans.end());
			for(auto r:ans) printf("%lld %lld\n",r.fi,r.se);
		}
	}
	return 0;
}
Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 9
Accepted

Test #1:

score: 9
Accepted
time: 1ms
memory: 3796kb

input:

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

output:

739880851158065302 19206582949872932
883064254701115295 379543717053969117
222072661880779376 631303985877542206
148399819461615003 230505279594622109
209088712310207988 53191076581680214
445068618251612752 115754892157516718
804173775829453588 189452549528118556
131139894445944101 28041175520456473...

result:

ok correct (99 test cases)

Test #2:

score: 9
Accepted
time: 1ms
memory: 3712kb

input:

94
4
522567009208273608 11643656493074325 186427311250002481 123849906165842189
5
106161059262489233 415343718607892434 327977047389442178 962072443749424073 442437950417792236
2
183203550209212188 845051373320458660
4
438596026703410712 750951289026921248 112070483603621346 883810241305765624
4
145...

output:

11643656493074325 186427311250002481
123849906165842189 99035483871538403
522567009208273608 111442695018690296
106161059262489233 962072443749424073
415343718607892434 327977047389442178
442437950417792236 371660382998667306
534116751505956653 407049166708229771
183203550209212188 84505137332045866...

result:

ok correct (94 test cases)

Test #3:

score: 9
Accepted
time: 1ms
memory: 3768kb

input:

100
6
992926089095812859 592566222682195905 851047547791588090 117812034990980493 287668656568989067 500497313856354147
5
422579495815431679 738445394838743009 952584027249447301 804094328392164866 131591678779711861
6
671044256239146581 730689616081395646 623998023808544596 817401707748253055 55805...

output:

992926089095812859 592566222682195905
851047547791588090 792746155889004382
287668656568989067 500497313856354147
117812034990980493 394082985212671607
821896851840296236 255947510101826050
422579495815431679 738445394838743009
952584027249447301 131591678779711861
804094328392164866 580512445327087...

result:

ok correct (100 test cases)

Test #4:

score: 9
Accepted
time: 1ms
memory: 3768kb

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:

-1
-1
1 3
4 4
2 4
4 4
2 2
3 1
2 2
4 2
2 4
1 3
0 2
0 0
2 0
3 3
1 1
3 3
4 0
1 3
2 2
0 4
1 3
2 2
4 2
4 0
0 2
3 3
4 2
3 3
1 3
2 0
3 1
4 2
0 2
2 4
1 1
2 4
3 3
1 3
3 3
0 2
1 3
0 2
1 1
3 1
4 4
3 1
4 2
2 0
3 1
3 1
2 2
4 2
1 3
4 0
2 2
4 2
4 2
0 2
3 1
4 2
0 2
1 1
4 4
2 4
1 3
0 4
2 2
4 2
3 1
4 2
3 3
3 3
1 3
4 ...

result:

ok correct (100 test cases)

Test #5:

score: 9
Accepted
time: 0ms
memory: 4020kb

input:

94
6
4 4 4 4 3 1
7
1 2 2 0 3 1 4
5
4 2 1 1 2
4
4 1 2 2
2
1 0
6
4 4 0 3 2 4
5
1 2 4 3 4
7
1 4 2 1 2 4 1
4
0 2 2 3
6
3 4 2 1 4 3
2
0 2
7
2 1 1 0 2 0 2
4
3 4 1 3
5
2 4 2 1 3
2
3 2
7
1 2 1 1 4 2 0
5
2 2 1 1 3
6
3 1 2 2 4 4
3
2 3 0
5
1 1 1 0 3
4
3 4 2 3
3
4 0 2
3
1 1 1
2
3 0
4
3 3 3 4
4
1 3 3 3
4
2 3 3 1...

output:

4 4
4 4
3 1
4 4
2 4
1 3
2 2
0 2
1 1
4 2
1 3
4 2
1 1
3 1
2 2
4 2
1 3
2 2
-1
4 4
0 2
3 1
4 4
2 4
1 3
2 4
4 2
3 3
1 1
4 2
2 4
1 1
3 3
1 3
0 2
3 1
2 2
3 1
4 2
4 2
3 3
3 3
0 2
2 0
1 1
2 2
0 2
1 1
1 1
3 1
4 2
3 3
2 4
3 3
1 3
2 2
-1
1 1
2 4
1 1
2 0
1 1
3 1
2 2
1 1
3 1
2 2
3 1
2 2
4 4
2 2
4 2
2 0
3 1
1 1
1 ...

result:

ok correct (94 test cases)

Test #6:

score: 9
Accepted
time: 0ms
memory: 3816kb

input:

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

output:

0 4
0 2
3 3
2 2
1 3
2 2
0 2
3 3
2 4
3 3
1 3
-1
2 4
1 1
3 1
0 2
0 4
0 2
1 1
2 4
1 3
0 2
3 1
0 4
2 2
4 2
3 3
4 4
4 0
4 2
3 3
2 2
3 3
2 2
4 2
3 3
3 1
4 0
2 2
4 2
-1
1 1
1 1
3 1
2 2
1 1
4 2
1 3
2 2
2 2
4 2
2 0
3 1
3 1
2 2
1 1
3 1
1 1
1 1
3 1
2 2
-1
2 2
2 2
4 2
2 2
0 0
2 0
3 1
0 4
0 2
3 1
2 2
2 2
1 1
4 2...

result:

ok correct (100 test cases)

Test #7:

score: 9
Accepted
time: 1ms
memory: 3792kb

input:

99
7
5 8 3 10 4 3 7
7
3 7 2 9 0 1 8
7
10 6 10 7 8 2 9
7
5 7 1 2 3 5 4
7
1 8 6 10 7 5 9
7
8 2 3 8 7 7 2
7
6 5 9 1 5 0 7
7
10 2 3 4 4 9 2
7
2 8 9 2 4 2 9
7
5 5 4 7 8 4 3
7
6 2 5 5 7 3 2
7
6 3 3 7 8 1 3
7
4 5 4 4 1 4 9
7
0 7 2 6 10 9 9
7
10 9 9 3 2 4 1
7
5 8 5 5 3 3 6
7
0 7 7 0 10 5 8
7
8 3 1 2 2 7 10
...

output:

5 3
8 10
4 4
3 9
4 6
7 5
3 7
2 0
9 1
5 1
5 3
8 4
10 6
10 8
7 9
8 8
2 8
9 5
5 7
1 3
2 4
5 3
6 2
4 4
1 7
8 6
10 4
5 9
7 7
7 7
8 2
3 7
8 2
5 5
5 5
7 5
6 0
5 9
1 5
7 3
7 3
5 5
10 2
3 9
4 4
2 6
4 4
6 4
2 8
9 9
2 4
5 3
2 4
9 3
5 5
4 8
7 3
4 6
5 5
5 5
6 2
5 5
7 3
2 4
5 5
3 5
6 8
3 3
7 1
3 7
3 5
4 4
4 4
5 1...

result:

ok correct (99 test cases)

Test #8:

score: 9
Accepted
time: 1ms
memory: 3712kb

input:

93
7
5 1 7 4 6 2 9
7
0 6 4 2 2 7 9
7
7 0 1 7 4 10 5
7
9 5 3 6 1 7 10
7
6 6 2 4 4 0 8
7
4 5 1 7 6 8 6
7
3 10 8 2 2 10 4
7
10 1 4 0 3 2 9
7
3 2 9 8 1 3 4
7
9 2 10 10 2 2 4
7
7 8 8 4 10 6 7
7
10 10 5 1 2 8 3
7
10 6 10 3 1 3 0
7
5 10 2 8 9 6 0
7
2 5 6 8 6 4 1
7
10 5 4 6 6 10 6
7
9 0 2 6 10 0 10
7
4 1 2 ...

output:

5 1
7 9
4 6
2 8
5 5
3 5
0 6
4 2
7 9
2 8
3 3
5 3
7 1
0 4
7 5
10 2
6 6
4 6
9 5
3 1
6 10
7 7
2 8
7 5
6 6
2 4
4 0
8 2
3 5
6 4
4 6
5 1
7 5
6 6
8 6
3 7
10 8
3 9
2 2
10 6
4 8
2 6
10 4
1 3
0 2
9 7
2 8
1 5
3 9
2 8
1 3
4 2
5 3
6 4
2 10
10 2
2 4
9 3
6 6
6 6
7 7
8 8
4 10
6 8
7 7
7 7
10 10
5 1
2 8
3 3
5 3
10 4
1...

result:

ok correct (93 test cases)

Test #9:

score: 9
Accepted
time: 1ms
memory: 4052kb

input:

100
7
5 2 6 0 4 1 0
7
2 2 6 7 0 0 4
7
9 5 9 6 9 1 10
7
1 10 3 3 3 0 1
7
5 2 9 1 5 1 6
7
3 5 1 2 1 4 3
7
4 5 10 7 8 0 5
7
2 4 10 0 0 1 10
7
9 1 9 3 4 0 9
7
2 9 5 6 3 2 6
7
5 10 5 10 9 10 3
7
2 8 2 9 8 7 9
7
7 0 8 7 0 2 10
7
5 2 1 3 9 5 4
7
0 0 8 6 9 3 2
7
2 1 4 7 1 6 5
7
3 1 1 6 4 7 2
7
1 4 1 3 10 6 ...

output:

5 1
2 6
0 4
0 2
3 1
4 2
2 2
6 0
7 3
4 2
5 3
0 4
9 5
9 9
6 10
1 9
7 5
8 6
1 3
10 0
3 3
5 3
2 4
1 3
5 9
2 6
1 5
1 3
4 2
7 3
3 5
1 1
2 4
3 1
4 2
3 3
4 10
5 7
8 0
5 7
6 6
4 6
2 4
10 0
0 10
1 5
3 3
5 3
9 1
9 3
4 6
9 5
5 7
0 6
2 6
9 5
3 7
2 4
5 3
6 4
5 5
10 10
9 3
10 6
10 8
5 9
2 8
2 8
9 7
9 5
5 7
8 6
7 7...

result:

ok correct (100 test cases)

Test #10:

score: 9
Accepted
time: 27ms
memory: 4060kb

input:

100
7
194031217145504953 92344336866099257 940210838006020793 707981138553400851 396343433783471865 833335571389105081 123990781067666617
7
448521163401367476 574701567883492980 980642203300204980 512336398436587572 13585306943463220 382572649843185460 215660281846045559
7
98808889424018047 80126151...

output:

194031217145504953 92344336866099257
940210838006020793 396343433783471865
833335571389105081 123990781067666617
143187777005802105 668277135894746329
478663176228385849 405732456450274217
707981138553400851 442197816339330033
-1
98808889424018047 801261513359172095
921145552784143923 45235072268463...

result:

ok correct (100 test cases)

Test #11:

score: 9
Accepted
time: 25ms
memory: 3820kb

input:

100
7
174403410311304113 248556925798696753 53568639341601777 147219929176342449 988689409852706865 422750449048724017 809081055195056666
7
654555421813714610 65548712288124338 113074781548118002 689925989131091973 435452328954515762 402611253666470322 699499906293235634
7
892198071242569306 3804178...

output:

-1
-1
892198071242569306 380417803615373274
500650288627091930 148030432254685338
165424412191963414 129519442362898650
18008349711398490 636307937428971290
324340360440888634 327158143570184890
147471927277431032 325749252005536762
841308117597371541 340001652854843925
23964809098691093 81009767146...

result:

ok correct (100 test cases)

Test #12:

score: 9
Accepted
time: 8ms
memory: 3704kb

input:

100
7
735384431780948558 899256715441852725 178731131822407886 890919396545837966 72324744142816334 558054530285134638 954139817168296398
7
45395071650811539 253273768642657171 953414663451276723 220385987543178067 173909572893934035 485148879400085538 83918898436924307
7
109145165951288796 37935377...

output:

735384431780948558 558054530285134638
178731131822407886 646719481033041598
890919396545837966 412725306427724742
72324744142816334 651822351486781354
954139817168296398 362073547814798844
899256715441852725 658106682491547621
45395071650811539 953414663451276723
253273768642657171 49940486755104413...

result:

ok correct (100 test cases)

Test #13:

score: 9
Accepted
time: 7ms
memory: 3768kb

input:

100
7
342815440894770237 577260666108880189 963303186935010749 643035993160981245 559737192409772678 500327699207606141 589782199529447645
7
893322664971323518 398511528472082622 489134244464820638 887066650526334270 435922568352264510 648203813296851902 217099014542362271
7
383086708597299653 29135...

output:

342815440894770237 589782199529447645
577260666108880189 466298820212108941
963303186935010749 521779743160494565
643035993160981245 742541465047752657
500327699207606141 692788729104366951
559737192409772678 596558214155986546
893322664971323518 489134244464820638
398511528472082622 691228454718072...

result:

ok correct (100 test cases)

Test #14:

score: 9
Accepted
time: 7ms
memory: 4056kb

input:

100
7
88863843597158046 950122471548607422 265724776830453214 192629087498442078 520578369613131745 714426339203311198 948564805318863646
7
205975292586876774 145671480839848358 259140903385588902 4849406731994534 141512727977970089 858343655268985638 202419714899120006
7
61433277510053499 235584360...

output:

88863843597158046 950122471548607422
265724776830453214 519493157572882734
192629087498442078 392608967201667974
714426339203311198 292619027350055026
948564805318863646 503522683276683112
520578369613131745 726043744297773379
205975292586876774 202419714899120006
145671480839848358 2041975037429983...

result:

ok correct (100 test cases)

Test #15:

score: 9
Accepted
time: 8ms
memory: 3840kb

input:

100
7
554325256470531726 456873078421784369 918394802304294481 630970289930190705 907221660666961905 444595055227052593 562141050125551985
7
666700133887673307 676437315778672187 103719581474450220 750499716656298171 958176162217016955 831078782085213243 412967682206399611
7
575687600279994039 45869...

output:

456873078421784369 918394802304294481
630970289930190705 687633940363039425
907221660666961905 659302115146615065
444595055227052593 783261887906788485
562141050125551985 613928471566920539
554325256470531726 588034760846236262
666700133887673307 676437315778672187
750499716656298171 671568724833172...

result:

ok correct (100 test cases)

Subtask #2:

score: 0
Time Limit Exceeded

Test #16:

score: 23
Accepted
time: 1ms
memory: 3764kb

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:

-1
-1
1 3
4 4
2 4
4 4
2 2
3 1
2 2
4 2
2 4
1 3
0 2
0 0
2 0
3 3
1 1
3 3
4 0
1 3
2 2
0 4
1 3
2 2
4 2
4 0
0 2
3 3
4 2
3 3
1 3
2 0
3 1
4 2
0 2
2 4
1 1
2 4
3 3
1 3
3 3
0 2
1 3
0 2
1 1
3 1
4 4
3 1
4 2
2 0
3 1
3 1
2 2
4 2
1 3
4 0
2 2
4 2
4 2
0 2
3 1
4 2
0 2
1 1
4 4
2 4
1 3
0 4
2 2
4 2
3 1
4 2
3 3
3 3
1 3
4 ...

result:

ok correct (100 test cases)

Test #17:

score: 23
Accepted
time: 1ms
memory: 3840kb

input:

94
6
4 4 4 4 3 1
7
1 2 2 0 3 1 4
5
4 2 1 1 2
4
4 1 2 2
2
1 0
6
4 4 0 3 2 4
5
1 2 4 3 4
7
1 4 2 1 2 4 1
4
0 2 2 3
6
3 4 2 1 4 3
2
0 2
7
2 1 1 0 2 0 2
4
3 4 1 3
5
2 4 2 1 3
2
3 2
7
1 2 1 1 4 2 0
5
2 2 1 1 3
6
3 1 2 2 4 4
3
2 3 0
5
1 1 1 0 3
4
3 4 2 3
3
4 0 2
3
1 1 1
2
3 0
4
3 3 3 4
4
1 3 3 3
4
2 3 3 1...

output:

4 4
4 4
3 1
4 4
2 4
1 3
2 2
0 2
1 1
4 2
1 3
4 2
1 1
3 1
2 2
4 2
1 3
2 2
-1
4 4
0 2
3 1
4 4
2 4
1 3
2 4
4 2
3 3
1 1
4 2
2 4
1 1
3 3
1 3
0 2
3 1
2 2
3 1
4 2
4 2
3 3
3 3
0 2
2 0
1 1
2 2
0 2
1 1
1 1
3 1
4 2
3 3
2 4
3 3
1 3
2 2
-1
1 1
2 4
1 1
2 0
1 1
3 1
2 2
1 1
3 1
2 2
3 1
2 2
4 4
2 2
4 2
2 0
3 1
1 1
1 ...

result:

ok correct (94 test cases)

Test #18:

score: 23
Accepted
time: 0ms
memory: 4124kb

input:

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

output:

0 4
0 2
3 3
2 2
1 3
2 2
0 2
3 3
2 4
3 3
1 3
-1
2 4
1 1
3 1
0 2
0 4
0 2
1 1
2 4
1 3
0 2
3 1
0 4
2 2
4 2
3 3
4 4
4 0
4 2
3 3
2 2
3 3
2 2
4 2
3 3
3 1
4 0
2 2
4 2
-1
1 1
1 1
3 1
2 2
1 1
4 2
1 3
2 2
2 2
4 2
2 0
3 1
3 1
2 2
1 1
3 1
1 1
1 1
3 1
2 2
-1
2 2
2 2
4 2
2 2
0 0
2 0
3 1
0 4
0 2
3 1
2 2
2 2
1 1
4 2...

result:

ok correct (100 test cases)

Test #19:

score: 23
Accepted
time: 1ms
memory: 3768kb

input:

99
7
5 8 3 10 4 3 7
7
3 7 2 9 0 1 8
7
10 6 10 7 8 2 9
7
5 7 1 2 3 5 4
7
1 8 6 10 7 5 9
7
8 2 3 8 7 7 2
7
6 5 9 1 5 0 7
7
10 2 3 4 4 9 2
7
2 8 9 2 4 2 9
7
5 5 4 7 8 4 3
7
6 2 5 5 7 3 2
7
6 3 3 7 8 1 3
7
4 5 4 4 1 4 9
7
0 7 2 6 10 9 9
7
10 9 9 3 2 4 1
7
5 8 5 5 3 3 6
7
0 7 7 0 10 5 8
7
8 3 1 2 2 7 10
...

output:

5 3
8 10
4 4
3 9
4 6
7 5
3 7
2 0
9 1
5 1
5 3
8 4
10 6
10 8
7 9
8 8
2 8
9 5
5 7
1 3
2 4
5 3
6 2
4 4
1 7
8 6
10 4
5 9
7 7
7 7
8 2
3 7
8 2
5 5
5 5
7 5
6 0
5 9
1 5
7 3
7 3
5 5
10 2
3 9
4 4
2 6
4 4
6 4
2 8
9 9
2 4
5 3
2 4
9 3
5 5
4 8
7 3
4 6
5 5
5 5
6 2
5 5
7 3
2 4
5 5
3 5
6 8
3 3
7 1
3 7
3 5
4 4
4 4
5 1...

result:

ok correct (99 test cases)

Test #20:

score: 23
Accepted
time: 1ms
memory: 3760kb

input:

93
7
5 1 7 4 6 2 9
7
0 6 4 2 2 7 9
7
7 0 1 7 4 10 5
7
9 5 3 6 1 7 10
7
6 6 2 4 4 0 8
7
4 5 1 7 6 8 6
7
3 10 8 2 2 10 4
7
10 1 4 0 3 2 9
7
3 2 9 8 1 3 4
7
9 2 10 10 2 2 4
7
7 8 8 4 10 6 7
7
10 10 5 1 2 8 3
7
10 6 10 3 1 3 0
7
5 10 2 8 9 6 0
7
2 5 6 8 6 4 1
7
10 5 4 6 6 10 6
7
9 0 2 6 10 0 10
7
4 1 2 ...

output:

5 1
7 9
4 6
2 8
5 5
3 5
0 6
4 2
7 9
2 8
3 3
5 3
7 1
0 4
7 5
10 2
6 6
4 6
9 5
3 1
6 10
7 7
2 8
7 5
6 6
2 4
4 0
8 2
3 5
6 4
4 6
5 1
7 5
6 6
8 6
3 7
10 8
3 9
2 2
10 6
4 8
2 6
10 4
1 3
0 2
9 7
2 8
1 5
3 9
2 8
1 3
4 2
5 3
6 4
2 10
10 2
2 4
9 3
6 6
6 6
7 7
8 8
4 10
6 8
7 7
7 7
10 10
5 1
2 8
3 3
5 3
10 4
1...

result:

ok correct (93 test cases)

Test #21:

score: 23
Accepted
time: 1ms
memory: 3840kb

input:

100
7
5 2 6 0 4 1 0
7
2 2 6 7 0 0 4
7
9 5 9 6 9 1 10
7
1 10 3 3 3 0 1
7
5 2 9 1 5 1 6
7
3 5 1 2 1 4 3
7
4 5 10 7 8 0 5
7
2 4 10 0 0 1 10
7
9 1 9 3 4 0 9
7
2 9 5 6 3 2 6
7
5 10 5 10 9 10 3
7
2 8 2 9 8 7 9
7
7 0 8 7 0 2 10
7
5 2 1 3 9 5 4
7
0 0 8 6 9 3 2
7
2 1 4 7 1 6 5
7
3 1 1 6 4 7 2
7
1 4 1 3 10 6 ...

output:

5 1
2 6
0 4
0 2
3 1
4 2
2 2
6 0
7 3
4 2
5 3
0 4
9 5
9 9
6 10
1 9
7 5
8 6
1 3
10 0
3 3
5 3
2 4
1 3
5 9
2 6
1 5
1 3
4 2
7 3
3 5
1 1
2 4
3 1
4 2
3 3
4 10
5 7
8 0
5 7
6 6
4 6
2 4
10 0
0 10
1 5
3 3
5 3
9 1
9 3
4 6
9 5
5 7
0 6
2 6
9 5
3 7
2 4
5 3
6 4
5 5
10 10
9 3
10 6
10 8
5 9
2 8
2 8
9 7
9 5
5 7
8 6
7 7...

result:

ok correct (100 test cases)

Test #22:

score: 23
Accepted
time: 1ms
memory: 3860kb

input:

94
16
8 8 7 5 4 8 7 4 8 9 0 5 1 8 4 0
18
6 4 10 0 1 9 4 8 1 4 7 3 6 6 5 1 2 10
17
8 10 3 2 0 6 6 5 4 5 8 8 0 7 0 10 10
16
6 8 2 4 0 10 7 2 4 3 4 2 9 0 3 1
16
4 1 4 8 4 10 6 3 3 3 1 2 9 2 10 9
20
10 7 10 6 8 9 8 5 3 9 1 8 8 10 2 7 9 7 8 0
17
4 0 3 5 0 8 0 10 4 10 9 9 7 7 0 9 7
17
3 2 9 8 2 3 6 7 6 4 ...

output:

8 8
7 5
4 8
7 9
4 8
0 8
5 1
4 0
8 6
6 8
6 4
3 7
5 5
7 5
2 6
6 4
10 0
1 9
4 8
1 7
4 6
3 5
6 2
1 5
10 6
5 5
4 4
5 3
4 8
4 4
6 4
5 5
8 10
3 5
2 0
6 6
4 8
5 7
8 0
0 10
10 4
9 1
6 6
6 4
5 5
5 5
7 5
6 6
6 8
2 4
0 10
7 3
2 4
4 2
9 3
0 6
1 7
3 5
3 3
3 3
5 3
4 4
4 4
4 4
1 3
8 4
10 6
3 3
1 9
2 2
10 4
9 3
2 6
...

result:

ok correct (94 test cases)

Test #23:

score: 23
Accepted
time: 0ms
memory: 3712kb

input:

100
17
3 7 5 5 5 6 4 2 8 4 10 6 1 7 5 2 4
16
10 9 4 2 8 8 1 0 1 10 7 1 1 5 0 7
16
7 10 8 7 8 8 3 4 0 2 6 6 1 5 4 2
18
4 1 1 7 10 9 6 1 8 3 9 1 7 10 5 7 5 9
16
8 2 4 3 10 9 7 0 5 8 2 4 1 5 7 5
20
4 0 1 8 0 9 1 10 10 10 3 3 7 0 0 9 0 8 8 6
17
2 0 8 0 9 9 1 6 3 3 6 8 1 10 10 8 1
17
10 10 6 0 10 1 4 9 5...

output:

3 7
5 5
5 1
6 4
2 8
4 10
6 2
7 5
4 4
5 5
3 5
5 7
6 4
5 5
4 6
5 5
10 4
9 1
2 8
8 0
1 7
10 0
1 1
5 7
7 5
5 5
4 4
1 5
6 6
4 6
3 5
7 7
10 8
8 8
3 1
4 0
2 6
6 4
5 7
2 8
9 5
2 2
4 6
5 5
7 5
2 6
4 10
1 1
7 9
6 8
1 3
9 1
7 5
10 8
7 5
9 7
1 7
2 6
5 9
6 4
8 4
7 5
6 6
8 2
4 10
3 9
7 5
0 8
2 4
1 5
7 5
5 7
6 6
4...

result:

ok correct (100 test cases)

Test #24:

score: 23
Accepted
time: 1ms
memory: 3768kb

input:

100
17
3 0 6 0 3 4 10 7 5 9 9 7 5 0 1 3 1
19
1 0 10 8 6 0 8 9 6 3 3 8 6 10 7 2 0 5 9
16
10 4 4 5 4 1 10 9 0 4 6 2 10 4 2 8
19
6 10 9 3 10 8 9 4 6 9 2 0 10 5 0 6 10 3 8
19
5 1 0 4 8 7 3 8 10 5 0 6 9 7 5 7 5 10 0
18
10 8 6 9 2 10 9 0 10 8 5 6 10 6 9 10 1 1
17
5 5 0 5 4 6 7 3 0 4 10 2 2 1 2 3 3
17
9 3 ...

output:

3 3
0 6
0 4
10 0
7 5
9 9
7 5
1 3
1 3
3 5
2 6
6 2
2 4
9 3
4 4
6 4
1 9
0 10
8 6
0 8
6 8
3 3
6 10
7 5
2 0
9 5
5 7
4 8
7 3
6 6
1 7
6 6
4 6
5 5
10 4
4 4
5 1
10 0
9 7
4 6
2 10
4 2
8 4
3 5
8 6
5 3
6 4
7 5
4 6
6 10
9 3
10 8
9 9
4 6
2 0
10 0
5 3
6 10
8 8
6 4
9 9
5 1
5 5
8 8
9 3
8 6
5 7
5 1
0 4
8 8
7 3
10 0
5...

result:

ok correct (100 test cases)

Test #25:

score: 0
Time Limit Exceeded

input:

100
46
6 6 0 8 7 7 3 5 0 1 6 10 6 6 2 8 1 10 9 3 6 5 9 2 3 9 10 7 9 0 1 6 6 5 9 6 0 8 1 1 5 8 7 4 9 1
64
0 3 10 5 9 9 5 2 4 10 3 5 0 3 5 1 3 0 9 9 7 8 2 9 0 5 1 9 5 5 7 2 10 7 2 6 8 2 1 2 0 4 8 9 0 5 4 8 2 2 2 8 0 8 6 3 4 1 3 6 10 9 10 0
94
10 10 0 6 0 10 4 3 3 0 3 1 4 10 2 8 7 10 7 5 1 10 3 2 6 2 5...

output:

6 6
0 8
7 7
3 5
0 6
1 1
10 6
6 2
8 10
9 3
6 2
5 9
3 9
10 0
7 9
1 5
6 6
9 1
6 0
8 8
1 5
7 9
4 6
1 7
4 4
3 1
8 4
9 7
6 4
6 8
5 3
6 8
5 3
3 5
8 4
4 2
6 8
5 7
4 4
7 3
4 6
7 5
6 6
4 6
5 5
0 10
3 5
9 9
5 3
2 4
10 0
5 3
5 1
3 9
0 8
9 7
2 0
9 5
1 9
5 5
7 7
2 10
2 6
8 2
1 9
2 0
4 8
0 4
5 3
8 2
2 2
8 0
8 6
4 ...

result:

Subtask #3:

score: 0
Time Limit Exceeded

Test #34:

score: 16
Accepted
time: 153ms
memory: 4124kb

input:

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

output:

846784256447769304 457696478728961702
597630796847754190 104256763714529164
652240367588365503 350943780281141677
128469521648960690 501592073934753590
658897822238868978 472135077337628566
399538027669313322 622703684108675696
425723088635325654 565516449788248772
511120855888994509 495619769211787...

result:

ok correct (100000 test cases)

Test #35:

score: 16
Accepted
time: 141ms
memory: 3796kb

input:

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

output:

143141501854884272 958712444844113692
132941437397264810 550926973349498982
341497234016264540 341934205373381896
923004266892618172 15365813785503270
930609521602302292 819335542601433618
213670074288711286 150311691204302148
874972532101867955 181990882746506717
244405681344585926 5284817074241873...

result:

ok correct (100000 test cases)

Test #36:

score: 16
Accepted
time: 154ms
memory: 4024kb

input:

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

output:

928198344825292264 690070772109811286
244045206839989604 561025252182682906
809134558467551775 402535229511336255
627239866615848210 54251562555326842
42470017740412280 340745714585587526
490057757292451598 348318035919019310
818062735467254804 419187896605735454
551686081736618768 19448823177424645...

result:

ok correct (100000 test cases)

Test #37:

score: 16
Accepted
time: 225ms
memory: 3832kb

input:

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

output:

970453612553526824 403854393807928174
722892131244078370 35115189723455662
375191889860000444 915405723947874872
635574780184696680 264400470199418708
859039596531178468 27938184881043946
553805664139227226 876314307095280030
571028682295683456 30435765695090076
81051167961127742 379003660483767016
...

result:

ok correct (50000 test cases)

Test #38:

score: 16
Accepted
time: 208ms
memory: 3756kb

input:

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

output:

998788559176849620 191593882411529926
342711646561735406 56435783243285828
213144199738872896 552932543009462260
862655508602678778 197769932466201968
649107231900330578 606332158266321414
679519095246181928 69228654018660218
907522706303602556 706594708190768848
317996892998797510 98299001347068271...

result:

ok correct (50000 test cases)

Test #39:

score: 16
Accepted
time: 216ms
memory: 3776kb

input:

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

output:

687533614023914694 738663892302361454
628044408557611320 475365328934162610
242048409095362442 254414508714647088
415287407545536222 333427085181162020
691789987581261114 501496830456417768
370865072857248388 610878478005084624
460491699469405256 995621599317911412
72184531803437802 5221300709694145...

result:

ok correct (50000 test cases)

Test #40:

score: 16
Accepted
time: 226ms
memory: 3836kb

input:

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

output:

701453932981408346 465306500019836282
792774089369512740 928134668660137906
489548012753296822 563069662510759842
456553328586506700 752651620972947846
610563120623014800 946872198162810216
382124190056540228 528408240467204940
156080508230960224 755279683495886594
353003950140523154 726814281386478...

result:

ok correct (30000 test cases)

Test #41:

score: 16
Accepted
time: 236ms
memory: 3780kb

input:

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

output:

802553849623129746 211707666543464912
78106851365388652 41150834245659428
824295231323480318 65220471583082028
504011063830422278 582465764474213950
653316240753155704 254391730000013712
73470169815090336 70058062306145696
320805890715812130 762434076887201766
107191591092647094 66623182252282192
97...

result:

ok correct (30000 test cases)

Test #42:

score: 16
Accepted
time: 225ms
memory: 3832kb

input:

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

output:

457692759396051910 105542225399435134
28952855744712754 551775949854678384
243201017518706110 830727952675976422
770508119165800012 202072001288194376
842102259870000526 184524967708115324
636362069740656520 654459612358466674
183209892432401444 100513548134942846
72707763558771580 42597951779138749...

result:

ok correct (30000 test cases)

Test #43:

score: 0
Time Limit Exceeded

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
Time Limit Exceeded

Test #46:

score: 0
Time Limit Exceeded

input:

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

output:

result:
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