CSES - Aalto Competitive Programming 2025 - wk10 - Wed

Submission details
Task:	Keke's delivery service
Sender:	aalto25k_004
Submission time:	2025-11-12 17:25:05 +0200
Language:	C++ (C++17)
Status:	READY
Result:	TIME LIMIT EXCEEDED

Test results
test	verdict	time
#1	ACCEPTED	0.00 s	details
#2	ACCEPTED	0.00 s	details
#3	ACCEPTED	0.00 s	details
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#14	ACCEPTED	0.01 s	details
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#22	ACCEPTED	0.01 s	details
#23	ACCEPTED	0.09 s	details
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#30	ACCEPTED	0.09 s	details
#31	ACCEPTED	0.09 s	details
#32	ACCEPTED	0.09 s	details
#33	TIME LIMIT EXCEEDED	--	details
#34	TIME LIMIT EXCEEDED	--	details
#35	TIME LIMIT EXCEEDED	--	details
#36	TIME LIMIT EXCEEDED	--	details
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#60	TIME LIMIT EXCEEDED	--	details
#61	TIME LIMIT EXCEEDED	--	details
#62	TIME LIMIT EXCEEDED	--	details

Compiler report

input/code.cpp: In function 'void search()':
input/code.cpp:25:25: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   25 |         if (perm.size() == 2*n) {
      |             ~~~~~~~~~~~~^~~~~~

Code

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

const int N = 10;
vector<P> p(2*N);
vector<bool> v(3*N);
vector<int> perm;
int n;
ld mind = LDBL_MAX;

void process() {
	ld dist = abs(p[perm[0]]) + abs(p[perm[2*n-1]]);
	for (int i=1; i<2*n; i++) {
		dist += abs(p[perm[i-1]] - p[perm[i]]);
	}
	mind = min(dist, mind);
}

void search() {
	if (perm.size() == 2*n) {
		process();
	}
	for (int i=0; i<2*N; i++) {
		if (!v[i] || v[i+N]) continue;
		v[i+N] = true;
		perm.push_back(i);
		search();
		v[i+N] = false;
		perm.pop_back();
	}
}

int main() {
	cin >> n;
	for (int i=0; i<n; i++) {
		ld a, b, c, d;
		cin >> a >> b >> c >> d;
		v[i] = true;
		p[i] = (P){a,b};
		p[i+N] = (P){c,d};
	}
	search();
	cout << setprecision(15) << mind << endl;
	return 0;
}

Test details

Test 1

Verdict: ACCEPTED

input
`1 1 2 5 7` view save

correct output
`17.24151748197526515596` view save

user output
`17.2415174819753` view save

Test 2

Verdict: ACCEPTED

input
`1 -2 10 5 9` view save

correct output
`27.56473698003804521928` view save

user output
`27.564736980038` view save

Test 3

Verdict: ACCEPTED

input
`2 -1 -7 -10 9 1 9 -1 0` view save

correct output
`46.64817201984418185146` view save

user output
`46.6481720198442` view save

Test 4

Verdict: ACCEPTED

input
`2 1 -9 4 7 -4 -8 0 1` view save

correct output
`38.53321457061962859031` view save

user output
`38.5332145706196` view save

Test 5

Verdict: ACCEPTED

input
`2 6 2 -6 8 7 8 10 -7` view save

correct output
`58.49347834429028263753` view save

user output
`58.4934783442903` view save

Test 6

Verdict: ACCEPTED

input
`2 6 2 -6 8 7 8 10 -7` view save

correct output
`58.49347834429028263753` view save

user output
`58.4934783442903` view save

Test 7

Verdict: ACCEPTED

input
`3 10 8 1 -7 10 7 5 2 4 2 -6 -8` view save

correct output
`47.94841075476520489418` view save

user output
`47.9484107547652` view save

Test 8

Verdict: ACCEPTED

input
`3 -6 -9 8 7 -6 -3 9 10 0 -9 2 -2` view save

correct output
`53.42086935541394488933` view save

user output
`53.4208693554139` view save

Test 9

Verdict: ACCEPTED

input
`3 8 9 -4 -6 7 -9 -10 -3 -8 10 2 -8` view save

correct output
`75.43730966940650396746` view save

user output
`75.4373096694065` view save

Test 10

Verdict: ACCEPTED

input
`3 8 4 2 -1 -5 -8 -7 -7 -2 -7 -8 -5` view save

correct output
`41.03401888405835429979` view save

user output
`41.0340188840584` view save

Test 11

Verdict: ACCEPTED

input
`3 -4 4 0 -4 6 1 6 -8 8 -8 -7 -6` view save

correct output
`51.02746211319720185187` view save

user output
`51.0274621131972` view save

Test 12

Verdict: ACCEPTED

input
`3 -1 -1 -4 4 -6 -5 -5 -10 7 4 -8 0` view save

correct output
`49.16957315214831639866` view save

user output
`49.1695731521483` view save

Test 13

Verdict: ACCEPTED

input
`3 5 -9 2 5 9 7 -7 8 6 -9 -3 9` view save

correct output
`56.01093630215238362152` view save

user output
`56.0109363021524` view save

Test 14

Verdict: ACCEPTED

input
`4 -9 -6 6 -4 -1 10 5 -1 10 -4 1 -5 0 -9 -9 -2` view save

correct output
`69.46799309053363308958` view save

user output
`69.4679930905336` view save

Test 15

Verdict: ACCEPTED

input
`4 8 -10 10 -5 8 -3 1 7 -6 -2 -10 2 -1 6 -2 -2` view save

correct output
`62.32599841627421704063` view save

user output
`62.3259984162742` view save

Test 16

Verdict: ACCEPTED

input
`4 -10 -3 0 0 0 -10 -8 -4 -8 -10 -6 8 -2 -8 -5 -8` view save

correct output
`49.37474628842959419733` view save

user output
`49.3747462884296` view save

Test 17

Verdict: ACCEPTED

input
`4 9 -10 3 -3 5 -10 -8 6 -9 -3 6 8 -4 5 1 4` view save

correct output
`70.54491148050797239000` view save

user output
`70.544911480508` view save

Test 18

Verdict: ACCEPTED

input
`4 3 2 0 9 1 3 8 5 4 -6 5 -8 5 7 -6 10` view save

correct output
`55.77371783018015604511` view save

user output
`55.7737178301802` view save

Test 19

Verdict: ACCEPTED

input
`4 4 5 0 7 7 5 -10 4 6 -6 1 10 -4 2 -10 0` view save

correct output
`58.25155150420911822143` view save

user output
`58.2515515042091` view save

Test 20

Verdict: ACCEPTED

input
`4 -7 3 -4 -6 -9 3 -1 -5 7 1 9 2 5 5 6 8` view save

correct output
`51.95472904146592808827` view save

user output
`51.9547290414659` view save

Test 21

Verdict: ACCEPTED

input
`4 8 3 -7 6 0 6 9 -8 -2 8 -9 -9 9 -6 3 -2` view save

correct output
`71.27875557664922673284` view save

user output
`71.2787555766492` view save

Test 22

Verdict: ACCEPTED

input
`4 6 -7 1 10 -8 -6 3 -9 -9 -7 -4 -9 -2 5 1 -7` view save

correct output
`64.30357123791869498886` view save

user output
`64.3035712379187` view save

Test 23

Verdict: ACCEPTED

input
`5 3 9 -3 -6 3 -2 -7 3 10 4 -3 2 10 9 -6 4 ...` view save

correct output
`65.29921928785613079865` view save

user output
`65.2992192878561` view save

Test 24

Verdict: ACCEPTED

input
`5 -4 -10 10 -4 6 2 10 3 -6 -3 -8 -6 9 9 -9 9 ...` view save

correct output
`82.23748773331917538004` view save

user output
`82.2374877333192` view save

Test 25

Verdict: ACCEPTED

input
`5 8 -9 -3 -2 1 -4 10 5 5 5 7 -3 -8 -1 9 -5 ...` view save

correct output
`67.56153807887115932823` view save

user output
`67.5615380788712` view save

Test 26

Verdict: ACCEPTED

input
`5 -5 4 -1 4 -2 9 -5 -8 8 5 -7 2 -10 7 10 8 ...` view save

correct output
`86.95689997133690237602` view save

user output
`86.9568999713369` view save

Test 27

Verdict: ACCEPTED

input
`5 -10 -6 6 -2 -9 -2 3 -1 -10 -8 9 5 -2 -3 -5 -2 ...` view save

correct output
`60.24622192778474186192` view save

user output
`60.2462219277847` view save

Test 28

Verdict: ACCEPTED

input
`5 -1 -1 -4 4 -6 -5 -5 -10 7 4 -8 0 3 2 -5 -5 ...` view save

correct output
`56.09845589945781874422` view save

user output
`56.0984558994578` view save

Test 29

Verdict: ACCEPTED

input
`5 5 -9 2 5 9 7 -7 8 6 -9 -3 9 -7 0 -5 -2 ...` view save

correct output
`66.46035926536274213855` view save

user output
`66.4603592653627` view save

Test 30

Verdict: ACCEPTED

input
`5 9 -8 -1 1 -6 5 2 -4 3 8 4 -9 -8 3 5 3 ...` view save

correct output
`68.92236432287188030443` view save

user output
`68.9223643228719` view save

Test 31

Verdict: ACCEPTED

input
`5 -2 8 8 9 9 8 4 -2 3 9 2 1 -6 -7 -2 -8 ...` view save

correct output
`68.57347683433427024124` view save

user output
`68.5734768343343` view save

Test 32

Verdict: ACCEPTED

input
`5 1 -10 6 7 7 -3 -8 7 2 2 1 -2 -1 -6 -1 4 ...` view save

correct output
`67.26306049003909036388` view save

user output
`67.2630604900391` view save

Test 33

Verdict: TIME LIMIT EXCEEDED

input
`6 633196515 485923574 -954265220...` view save

correct output
`7364359200.7228123750537633895...` view save

user output
(empty)

Test 34

Verdict: TIME LIMIT EXCEEDED

input
`6 -54250287 -57195506 925370083 ...` view save

correct output
`6070544873.2142193284817039966...` view save

user output
(empty)

Test 35

Verdict: TIME LIMIT EXCEEDED

input
`6 717786754 -23244255 -670216484...` view save

correct output
`6236901804.9330618907697498798...` view save

user output
(empty)

Test 36

Verdict: TIME LIMIT EXCEEDED

input
`6 -747595481 -560868740 20781968...` view save

correct output
`6206348638.7408930636011064052...` view save

user output
(empty)

Test 37

Verdict: TIME LIMIT EXCEEDED

input
`6 369551931 -830851741 -63146575...` view save

correct output
`7466232851.6345729152671992778...` view save

user output
(empty)

Test 38

Verdict: TIME LIMIT EXCEEDED

input
`7 -503438465 -401188031 -2915208...` view save

correct output
`7182008964.6697172718122601509...` view save

user output
(empty)

Test 39

Verdict: TIME LIMIT EXCEEDED

input
`7 -774852389 498112692 -73382627...` view save

correct output
`7322574754.7929240637458860874...` view save

user output
(empty)

Test 40

Verdict: TIME LIMIT EXCEEDED

input
`7 -745557241 -362230062 11872950...` view save

correct output
`7345290128.8702740180306136608...` view save

user output
(empty)

Test 41

Verdict: TIME LIMIT EXCEEDED

input
`7 -280510503 487323735 82609299 ...` view save

correct output
`8284167601.0197063554078340530...` view save

user output
(empty)

Test 42

Verdict: TIME LIMIT EXCEEDED

input
`7 -194568921 -912512861 44703011...` view save

correct output
`9098246106.3207166725769639015...` view save

user output
(empty)

Test 43

Verdict: TIME LIMIT EXCEEDED

input
`8 383287698 969195218 -182348842...` view save

correct output
`7016551085.8444829522632062435...` view save

user output
(empty)

Test 44

Verdict: TIME LIMIT EXCEEDED

input
`8 -385704087 -937741013 -3077950...` view save

correct output
`8127710933.8054637983441352844...` view save

user output
(empty)

Test 45

Verdict: TIME LIMIT EXCEEDED

input
`8 844450667 -871888619 -19960889...` view save

correct output
`8213584640.6935460437089204788...` view save

user output
(empty)

Test 46

Verdict: TIME LIMIT EXCEEDED

input
`8 -466328566 481082051 -33685140...` view save

correct output
`9423990911.6089521860703825950...` view save

user output
(empty)

Test 47

Verdict: TIME LIMIT EXCEEDED

input
`8 -917189424 -579600323 67525298...` view save

correct output
`8227519630.3055775831453502178...` view save

user output
(empty)

Test 48

Verdict: TIME LIMIT EXCEEDED

input
`9 -31221656 -526597392 -52535813...` view save

correct output
`8856995290.3726284708827733993...` view save

user output
(empty)

Test 49

Verdict: TIME LIMIT EXCEEDED

input
`9 -23884334 -938550432 -56172498...` view save

correct output
`7357984723.6206405288539826870...` view save

user output
(empty)

Test 50

Verdict: TIME LIMIT EXCEEDED

input
`9 -114003248 747828772 -69571861...` view save

correct output
`7938964098.6173283923417329788...` view save

user output
(empty)

Test 51

Verdict: TIME LIMIT EXCEEDED

input
`9 166708726 -263032442 565409766...` view save

correct output
`7766653103.2631514174863696098...` view save

user output
(empty)

Test 52

Verdict: TIME LIMIT EXCEEDED

input
`9 -325935302 409170424 652212820...` view save

correct output
`8170515916.9658243129961192607...` view save

user output
(empty)

Test 53

Verdict: TIME LIMIT EXCEEDED

input
`10 178568022 273124119 535857466 ...` view save

correct output
`8231356926.8400429780595004558...` view save

user output
(empty)

Test 54

Verdict: TIME LIMIT EXCEEDED

input
`10 -104452078 546885062 -99975436...` view save

correct output
`9390756029.7148792939260601997...` view save

user output
(empty)

Test 55

Verdict: TIME LIMIT EXCEEDED

input
`10 -63708076 -602539257 -94432385...` view save

correct output
`8497255968.9021178991533815860...` view save

user output
(empty)

Test 56

Verdict: TIME LIMIT EXCEEDED

input
`10 182829493 -848119476 520735868...` view save

correct output
`9795917686.1810622680932283401...` view save

user output
(empty)

Test 57

Verdict: TIME LIMIT EXCEEDED

input
`10 934069847 175172315 -629139614...` view save

correct output
`10107572824.729460356757044792...` view save

user output
(empty)

Test 58

Verdict: TIME LIMIT EXCEEDED

input
`10 -523273295 -881501593 86988338...` view save

correct output
`9378626642.9278714880347251892...` view save

user output
(empty)

Test 59

Verdict: TIME LIMIT EXCEEDED

input
`10 917402565 -287078799 -55030325...` view save

correct output
`9067761971.7593543389812111854...` view save

user output
(empty)

Test 60

Verdict: TIME LIMIT EXCEEDED

input
`10 -836129193 -511793054 67486286...` view save

correct output
`9294216739.0473321685567498207...` view save

user output
(empty)

Test 61

Verdict: TIME LIMIT EXCEEDED

input
`10 875675361 -976131926 -48580743...` view save

correct output
`10188158256.107221888378262519...` view save

user output
(empty)

Test 62

Verdict: TIME LIMIT EXCEEDED

input
`10 -977721665 -217325906 77767487...` view save

correct output
`9173124717.6331664901226758956...` view save

user output
(empty)

Aalto Competitive Programming 2025 - wk10 - Wed

Keke's delivery service

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

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Test 8

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Test 62

Tasks

Submissions (aalto25k_004)