CSES - Aalto Competitive Programming 2026 - wk3 - Mon

Submission details
Task:	Particle accelerator
Sender:	aalto26cm_045
Submission time:	2026-09-14 17:49:29 +0300
Language:	C++ (C++20)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	ACCEPTED	0.00 s	details
#2	ACCEPTED	0.00 s	details
#3	ACCEPTED	0.00 s	details
#4	ACCEPTED	0.00 s	details
#5	ACCEPTED	0.00 s	details
#6	ACCEPTED	0.00 s	details
#7	ACCEPTED	0.00 s	details
#8	ACCEPTED	0.01 s	details
#9	WRONG ANSWER	0.00 s	details
#10	WRONG ANSWER	0.00 s	details
#11	WRONG ANSWER	0.00 s	details
#12	WRONG ANSWER	0.00 s	details
#13	ACCEPTED	0.00 s	details
#14	WRONG ANSWER	0.00 s	details
#15	WRONG ANSWER	0.00 s	details
#16	WRONG ANSWER	0.00 s	details
#17	WRONG ANSWER	0.00 s	details
#18	WRONG ANSWER	0.00 s	details
#19	WRONG ANSWER	0.00 s	details
#20	WRONG ANSWER	0.00 s	details
#21	WRONG ANSWER	0.00 s	details
#22	WRONG ANSWER	0.00 s	details
#23	WRONG ANSWER	0.00 s	details
#24	WRONG ANSWER	0.00 s	details
#25	WRONG ANSWER	0.00 s	details
#26	WRONG ANSWER	0.00 s	details
#27	WRONG ANSWER	0.00 s	details
#28	WRONG ANSWER	0.00 s	details
#29	WRONG ANSWER	0.00 s	details
#30	WRONG ANSWER	0.00 s	details
#31	WRONG ANSWER	0.00 s	details
#32	WRONG ANSWER	0.00 s	details
#33	WRONG ANSWER	0.00 s	details
#34	WRONG ANSWER	0.00 s	details
#35	WRONG ANSWER	0.00 s	details
#36	WRONG ANSWER	0.00 s	details
#37	WRONG ANSWER	0.00 s	details
#38	WRONG ANSWER	0.00 s	details
#39	WRONG ANSWER	0.00 s	details
#40	WRONG ANSWER	0.00 s	details
#41	WRONG ANSWER	0.00 s	details
#42	WRONG ANSWER	0.01 s	details
#43	WRONG ANSWER	0.01 s	details
#44	WRONG ANSWER	0.01 s	details
#45	WRONG ANSWER	0.01 s	details
#46	WRONG ANSWER	0.01 s	details
#47	WRONG ANSWER	0.01 s	details
#48	WRONG ANSWER	0.01 s	details
#49	WRONG ANSWER	0.01 s	details
#50	WRONG ANSWER	0.01 s	details
#51	WRONG ANSWER	0.01 s	details
#52	WRONG ANSWER	0.01 s	details
#53	WRONG ANSWER	0.01 s	details
#54	WRONG ANSWER	0.01 s	details
#55	WRONG ANSWER	0.01 s	details
#56	WRONG ANSWER	0.01 s	details
#57	WRONG ANSWER	0.01 s	details
#58	WRONG ANSWER	0.01 s	details
#59	WRONG ANSWER	0.01 s	details
#60	WRONG ANSWER	0.01 s	details
#61	WRONG ANSWER	0.01 s	details
#62	WRONG ANSWER	0.01 s	details
#63	WRONG ANSWER	0.01 s	details
#64	WRONG ANSWER	0.01 s	details
#65	WRONG ANSWER	0.01 s	details
#66	WRONG ANSWER	0.01 s	details
#67	WRONG ANSWER	0.01 s	details
#68	WRONG ANSWER	0.01 s	details
#69	WRONG ANSWER	0.01 s	details
#70	WRONG ANSWER	0.01 s	details
#71	WRONG ANSWER	0.01 s	details
#72	WRONG ANSWER	0.03 s	details
#73	WRONG ANSWER	0.03 s	details
#74	WRONG ANSWER	0.03 s	details
#75	WRONG ANSWER	0.03 s	details
#76	WRONG ANSWER	0.03 s	details
#77	WRONG ANSWER	0.03 s	details
#78	WRONG ANSWER	0.03 s	details
#79	WRONG ANSWER	0.03 s	details
#80	WRONG ANSWER	0.03 s	details
#81	WRONG ANSWER	0.03 s	details
#82	WRONG ANSWER	0.03 s	details
#83	WRONG ANSWER	0.03 s	details
#84	WRONG ANSWER	0.03 s	details
#85	WRONG ANSWER	0.03 s	details
#86	WRONG ANSWER	0.03 s	details
#87	WRONG ANSWER	0.03 s	details
#88	WRONG ANSWER	0.03 s	details
#89	WRONG ANSWER	0.03 s	details
#90	WRONG ANSWER	0.03 s	details
#91	WRONG ANSWER	0.03 s	details

Compiler report

input/code.cpp: In function 'long long unsigned int solve(const std::vector<long long unsigned int>&, std::vector<std::vector<long long unsigned int> >&, long long unsigned int, long long unsigned int)':
input/code.cpp:25:18: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<long long unsigned int>, long long unsigned int>::value_type' {aka 'long long unsigned int'} and 'int' [-Wsign-compare]
   25 |     if (dp[l][r] != -1)

Code

#include<iostream>
#include<vector>
#include<algorithm>
#include<stdint.h>

using namespace std;

unsigned long long getMass(unsigned long long m1, unsigned long long m2)
{
    unsigned long long x = min(m1, m2);
    return m1 * m2 - x*x;
}

unsigned long long getTrueMass(const vector<unsigned long long>& particles, unsigned long long l, unsigned long long r)
{
    unsigned long long mass = 0;
    for (unsigned long long i = l; i <= r; i++)
    {
        mass += particles[i];
    }
    return mass;
}
unsigned long long solve(const vector<unsigned long long>& particles, vector<vector<unsigned long long>>& dp, unsigned long long l, unsigned long long r)
{
    if (dp[l][r] != -1)
    {
        return dp[l][r];
    }
    if (l == r - 1)
    {
        dp[l][r] = getMass(particles[l], particles[r]);
        return dp[l][r];
    }
    else
    {
        unsigned long long upper = getMass(particles[l], getTrueMass(particles, l+1, r) ) + solve(particles, dp, l + 1, r);
        unsigned long long lower = getMass(particles[r], getTrueMass(particles, l, r-1)) + solve(particles, dp, l, r - 1);
        dp[l][r] = min(upper, lower);
        return dp[l][r];
    }

}
int main()
{
    unsigned long long n;
    cin >> n;
    vector<vector<unsigned long long>> dp(n, vector<unsigned long long>(n, -1));
    vector<unsigned long long> particles(n);
    for (unsigned long long i = 0; i < n; i++)
    {
        cin >> particles[i];
    }
    if (n == 1)
    {
        cout << 0;
    }
    else
    {
        cout << solve(particles, dp, 0, n - 1);
    }
}

Test details

Test 1

Verdict: ACCEPTED

input
`1 373` view save

correct output
`0` view save

user output
`0` view save

Test 2

Verdict: ACCEPTED

input
`1 10` view save

correct output
`0` view save

user output
`0` view save

Test 3

Verdict: ACCEPTED

input
`2 1 7` view save

correct output
`6` view save

user output
`6` view save

Test 4

Verdict: ACCEPTED

input
`2 798 810` view save

correct output
`9576` view save

user output
`9576` view save

Test 5

Verdict: ACCEPTED

input
`3 2 7 9` view save

correct output
`10` view save

user output
`10` view save

Test 6

Verdict: ACCEPTED

input
`3 43371 770816 582162` view save

correct output
`166626155145` view save

user output
`166626155145` view save

Test 7

Verdict: ACCEPTED

input
`3 255995 678296 258159` view save

correct output
`282656505483` view save

user output
`282656505483` view save

Test 8

Verdict: ACCEPTED

input
`4 2 4 5 10` view save

correct output
`19` view save

user output
`19` view save

Test 9

Verdict: WRONG ANSWER

input
`4 10 1 10 5` view save

correct output
`78` view save

user output
`99` view save

Test 10

Verdict: WRONG ANSWER

input
`4 4 10 10 8` view save

correct output
`96` view save

user output
`192` view save

Test 11

Verdict: WRONG ANSWER

input
`4 635350 99359 612245 308607` view save

correct output
`283721279422` view save

user output
`419848971603` view save

Test 12

Verdict: WRONG ANSWER

input
`5 8 9 7 9 6` view save

correct output
`167` view save

user output
`375` view save

Test 13

Verdict: ACCEPTED

input
`5 8 10 1 2 4` view save

correct output
`97` view save

user output
`97` view save

Test 14

Verdict: WRONG ANSWER

input
`5 25933 931751 549787 947945 435...` view save

correct output
`642593396167` view save

user output
`1657695163098` view save

Test 15

Verdict: WRONG ANSWER

input
`5 709 840 291 122 511` view save

correct output
`731471` view save

user output
`879647` view save

Test 16

Verdict: WRONG ANSWER

input
`5 6 2 10 9 8` view save

correct output
`49` view save

user output
`257` view save

Test 17

Verdict: WRONG ANSWER

input
`5 870929 831516 206766 363819 91...` view save

correct output
`581247680937` view save

user output
`1888243995437` view save

Test 18

Verdict: WRONG ANSWER

input
`5 4 3 9 1 1` view save

correct output
`45` view save

user output
`48` view save

Test 19

Verdict: WRONG ANSWER

input
`5 780095 319045 438508 978444 72...` view save

correct output
`492410128596` view save

user output
`1899418839364` view save

Test 20

Verdict: WRONG ANSWER

input
`5 969 240 870 378 531` view save

correct output
`955854` view save

user output
`1478574` view save

Test 21

Verdict: WRONG ANSWER

input
`5 501988 499243 495885 7545 1338...` view save

correct output
`284384673000` view save

user output
`438531264956` view save

Test 22

Verdict: WRONG ANSWER

input
`10 8 9 7 9 6 9 5 7 7 4` view save

correct output
`347` view save

user output
`1773` view save

Test 23

Verdict: WRONG ANSWER

input
`10 8 10 1 2 4 10 2 3 1 4` view save

correct output
`194` view save

user output
`549` view save

Test 24

Verdict: WRONG ANSWER

input
`10 25933 931751 549787 947945 435...` view save

correct output
`1909421677160` view save

user output
`6336236880700` view save

Test 25

Verdict: WRONG ANSWER

input
`10 709 840 291 122 511 570 893 43...` view save

correct output
`2139925` view save

user output
`8635088` view save

Test 26

Verdict: WRONG ANSWER

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

correct output
`339` view save

user output
`1172` view save

Test 27

Verdict: WRONG ANSWER

input
`10 870929 831516 206766 363819 91...` view save

correct output
`2999634317613` view save

user output
`10547774170897` view save

Test 28

Verdict: WRONG ANSWER

input
`10 4 3 9 1 1 4 2 10 6 1` view save

correct output
`194` view save

user output
`473` view save

Test 29

Verdict: WRONG ANSWER

input
`10 780095 319045 438508 978444 72...` view save

correct output
`3083316036349` view save

user output
`10951456953417` view save

Test 30

Verdict: WRONG ANSWER

input
`10 969 240 870 378 531 817 233 42...` view save

correct output
`1139241` view save

user output
`7930238` view save

Test 31

Verdict: WRONG ANSWER

input
`10 501988 499243 495885 7545 1338...` view save

correct output
`554211450134` view save

user output
`2629260032454` view save

Test 32

Verdict: WRONG ANSWER

input
`100 8 9 7 9 6 9 5 7 7 4 5 3 9 1 10...` view save

correct output
`6396` view save

user output
`158139` view save

Test 33

Verdict: WRONG ANSWER

input
`100 8 10 1 2 4 10 2 3 1 4 2 4 4 7 ...` view save

correct output
`3542` view save

user output
`132840` view save

Test 34

Verdict: WRONG ANSWER

input
`100 25933 931751 549787 947945 435...` view save

correct output
`45440863225859` view save

user output
`1125655308670857` view save

Test 35

Verdict: WRONG ANSWER

input
`100 709 840 291 122 511 570 893 43...` view save

correct output
`45958697` view save

user output
`1069549119` view save

Test 36

Verdict: WRONG ANSWER

input
`100 6 2 10 9 8 7 7 6 3 2 10 3 1 7 ...` view save

correct output
`3828` view save

user output
`136515` view save

Test 37

Verdict: WRONG ANSWER

input
`100 870929 831516 206766 363819 91...` view save

correct output
`38360827705542` view save

user output
`1284557947084090` view save

Test 38

Verdict: WRONG ANSWER

input
`100 4 3 9 1 1 4 2 10 6 1 6 7 5 6 4...` view save

correct output
`5967` view save

user output
`174749` view save

Test 39

Verdict: WRONG ANSWER

input
`100 780095 319045 438508 978444 72...` view save

correct output
`42394120248428` view save

user output
`1193036814578988` view save

Test 40

Verdict: WRONG ANSWER

input
`100 969 240 870 378 531 817 233 42...` view save

correct output
`43869305` view save

user output
`1040675223` view save

Test 41

Verdict: WRONG ANSWER

input
`100 501988 499243 495885 7545 1338...` view save

correct output
`51929619520205` view save

user output
`1300971142346543` view save

Test 42

Verdict: WRONG ANSWER

input
`200 21 495 634 444 749 832 499 584...` view save

correct output
`94150203` view save

user output
`4181887044` view save

Test 43

Verdict: WRONG ANSWER

input
`200 19480 664871 463323 194160 725...` view save

correct output
`109172696765966` view save

user output
`4822867294573483` view save

Test 44

Verdict: WRONG ANSWER

input
`200 740217 873584 263375 86454 533...` view save

correct output
`91609970771011` view save

user output
`4912262943136903` view save

Test 45

Verdict: WRONG ANSWER

input
`200 3 9 9 9 10 2 10 8 5 8 7 7 8 8 ...` view save

correct output
`12594` view save

user output
`546694` view save

Test 46

Verdict: WRONG ANSWER

input
`200 8 7 9 4 1 2 4 3 10 3 6 4 4 4 6...` view save

correct output
`11434` view save

user output
`578314` view save

Test 47

Verdict: WRONG ANSWER

input
`200 2 6 1 2 4 9 3 10 6 1 4 9 4 8 2...` view save

correct output
`10973` view save

user output
`551994` view save

Test 48

Verdict: WRONG ANSWER

input
`200 523282 55700 550826 308687 456...` view save

correct output
`92752119769026` view save

user output
`4881911979254638` view save

Test 49

Verdict: WRONG ANSWER

input
`200 530707 844425 191564 889066 67...` view save

correct output
`99915887908116` view save

user output
`4769339694381818` view save

Test 50

Verdict: WRONG ANSWER

input
`200 506 433 879 245 182 909 853 20...` view save

correct output
`100894725` view save

user output
`5188975027` view save

Test 51

Verdict: WRONG ANSWER

input
`200 761422 412836 246994 715471 13...` view save

correct output
`91724968917854` view save

user output
`4900362251269305` view save

Test 52

Verdict: WRONG ANSWER

input
`200 9 10 9 10 9 7 1 7 7 10 4 7 6 1...` view save

correct output
`9260` view save

user output
`651270` view save

Test 53

Verdict: WRONG ANSWER

input
`200 3 7 8 1 1 10 3 7 1 2 4 9 7 4 4...` view save

correct output
`13944` view save

user output
`644650` view save

Test 54

Verdict: WRONG ANSWER

input
`200 5 8 5 7 9 8 2 9 4 9 3 3 7 1 3 ...` view save

correct output
`15692` view save

user output
`646524` view save

Test 55

Verdict: WRONG ANSWER

input
`200 10 2 8 8 3 6 3 5 7 2 2 1 4 3 7...` view save

correct output
`12255` view save

user output
`607558` view save

Test 56

Verdict: WRONG ANSWER

input
`200 700 53 1000 318 221 984 362 51...` view save

correct output
`126087673` view save

user output
`5534374911` view save

Test 57

Verdict: WRONG ANSWER

input
`200 6 5 3 1 2 2 5 2 2 3 7 7 5 2 6 ...` view save

correct output
`11199` view save

user output
`569080` view save

Test 58

Verdict: WRONG ANSWER

input
`200 6 3 8 6 8 1 9 2 2 3 3 8 5 9 8 ...` view save

correct output
`13071` view save

user output
`620947` view save

Test 59

Verdict: WRONG ANSWER

input
`200 814768 915127 735563 468064 86...` view save

correct output
`98792356012408` view save

user output
`5285666647662591` view save

Test 60

Verdict: WRONG ANSWER

input
`200 562 289 125 165 398 398 782 31...` view save

correct output
`94162582` view save

user output
`5586344184` view save

Test 61

Verdict: WRONG ANSWER

input
`200 3 4 1 10 8 5 5 4 6 4 8 9 9 9 8...` view save

correct output
`11090` view save

user output
`636389` view save

Test 62

Verdict: WRONG ANSWER

input
`200 4 3 7 5 2 7 10 8 4 7 10 10 3 7...` view save

correct output
`11655` view save

user output
`534385` view save

Test 63

Verdict: WRONG ANSWER

input
`200 958322 322406 770487 611574 98...` view save

correct output
`81490639470393` view save

user output
`4379065220708292` view save

Test 64

Verdict: WRONG ANSWER

input
`200 373 422 556 331 956 754 737 73...` view save

correct output
`88581726` view save

user output
`5070950099` view save

Test 65

Verdict: WRONG ANSWER

input
`200 5 7 5 10 3 2 9 8 2 7 1 9 10 9 ...` view save

correct output
`13948` view save

user output
`619590` view save

Test 66

Verdict: WRONG ANSWER

input
`200 780277 423471 92725 418110 633...` view save

correct output
`136105358146422` view save

user output
`5594874282630663` view save

Test 67

Verdict: WRONG ANSWER

input
`200 308420 676676 231540 246163 27...` view save

correct output
`104365913260031` view save

user output
`5060233246431855` view save

Test 68

Verdict: WRONG ANSWER

input
`200 602 717 953 825 144 864 808 92...` view save

correct output
`82761699` view save

user output
`4892295410` view save

Test 69

Verdict: WRONG ANSWER

input
`200 465 525 193 757 582 310 621 85...` view save

correct output
`101145827` view save

user output
`5025048104` view save

Test 70

Verdict: WRONG ANSWER

input
`200 9 10 10 9 8 5 7 10 7 6 3 2 4 2...` view save

correct output
`9822` view save

user output
`624232` view save

Test 71

Verdict: WRONG ANSWER

input
`200 798 810 821 367 123 829 603 60...` view save

correct output
`111853493` view save

user output
`5339626981` view save

Test 72

Verdict: WRONG ANSWER

input
`500 21 495 634 444 749 832 499 584...` view save

correct output
`320652082` view save

user output
`26946706487` view save

Test 73

Verdict: WRONG ANSWER

input
`500 19480 664871 463323 194160 725...` view save

correct output
`255800779186420` view save

user output
`30948870910563562` view save

Test 74

Verdict: WRONG ANSWER

input
`500 740217 873584 263375 86454 533...` view save

correct output
`282774432682654` view save

user output
`29922185424026406` view save

Test 75

Verdict: WRONG ANSWER

input
`500 3 9 9 9 10 2 10 8 5 8 7 7 8 8 ...` view save

correct output
`30727` view save

user output
`3581805` view save

Test 76

Verdict: WRONG ANSWER

input
`500 8 7 9 4 1 2 4 3 10 3 6 4 4 4 6...` view save

correct output
`28929` view save

user output
`3442108` view save

Test 77

Verdict: WRONG ANSWER

input
`500 2 6 1 2 4 9 3 10 6 1 4 9 4 8 2...` view save

correct output
`39800` view save

user output
`3823674` view save

Test 78

Verdict: WRONG ANSWER

input
`500 523282 55700 550826 308687 456...` view save

correct output
`367458083034844` view save

user output
`30475052071421385` view save

Test 79

Verdict: WRONG ANSWER

input
`500 530707 844425 191564 889066 67...` view save

correct output
`276567810216590` view save

user output
`31465420379034684` view save

Test 80

Verdict: WRONG ANSWER

input
`500 506 433 879 245 182 909 853 20...` view save

correct output
`357098617` view save

user output
`31851476254` view save

Test 81

Verdict: WRONG ANSWER

input
`500 761422 412836 246994 715471 13...` view save

correct output
`345118298392748` view save

user output
`28756540270184423` view save

Test 82

Verdict: WRONG ANSWER

input
`500 9 10 9 10 9 7 1 7 7 10 4 7 6 1...` view save

correct output
`37385` view save

user output
`4190913` view save

Test 83

Verdict: WRONG ANSWER

input
`500 3 7 8 1 1 10 3 7 1 2 4 9 7 4 4...` view save

correct output
`45054` view save

user output
`3837889` view save

Test 84

Verdict: WRONG ANSWER

input
`500 5 8 5 7 9 8 2 9 4 9 3 3 7 1 3 ...` view save

correct output
`48480` view save

user output
`3985350` view save

Test 85

Verdict: WRONG ANSWER

input
`500 10 2 8 8 3 6 3 5 7 2 2 1 4 3 7...` view save

correct output
`35867` view save

user output
`3662589` view save

Test 86

Verdict: WRONG ANSWER

input
`500 700 53 1000 318 221 984 362 51...` view save

correct output
`344007358` view save

user output
`32780031912` view save

Test 87

Verdict: WRONG ANSWER

input
`500 6 5 3 1 2 2 5 2 2 3 7 7 5 2 6 ...` view save

correct output
`32937` view save

user output
`3521335` view save

Test 88

Verdict: WRONG ANSWER

input
`500 6 3 8 6 8 1 9 2 2 3 3 8 5 9 8 ...` view save

correct output
`33083` view save

user output
`3716865` view save

Test 89

Verdict: WRONG ANSWER

input
`500 814768 915127 735563 468064 86...` view save

correct output
`352570895811941` view save

user output
`33751023207303384` view save

Test 90

Verdict: WRONG ANSWER

input
`500 562 289 125 165 398 398 782 31...` view save

correct output
`349500395` view save

user output
`32372276853` view save

Test 91

Verdict: WRONG ANSWER

input
`500 3 4 1 10 8 5 5 4 6 4 8 9 9 9 8...` view save

correct output
`35153` view save

user output
`3881487` view save

Aalto Competitive Programming 2026 - wk3 - Mon

Particle accelerator

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

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