CSES - Aalto Competitive Programming 2026 - wk4 - Mon

Submission details
Task:	Moon landing
Sender:	aalto26dm_035
Submission time:	2026-09-21 17:58:02 +0300
Language:	C++ (C++20)
Status:	READY
Result:	WRONG ANSWER

Test results
test	verdict	time
#1	ACCEPTED	0.00 s	details
#2	WRONG ANSWER	0.00 s	details
#3	WRONG ANSWER	0.00 s	details
#4	WRONG ANSWER	0.00 s	details
#5	WRONG ANSWER	0.00 s	details
#6	WRONG ANSWER	0.00 s	details
#7	WRONG ANSWER	0.00 s	details
#8	WRONG ANSWER	0.00 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	WRONG ANSWER	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	0.01 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	0.00 s	details
#43	WRONG ANSWER	0.00 s	details
#44	WRONG ANSWER	0.01 s	details
#45	WRONG ANSWER	0.00 s	details
#46	WRONG ANSWER	0.01 s	details
#47	WRONG ANSWER	0.00 s	details
#48	WRONG ANSWER	0.01 s	details
#49	WRONG ANSWER	0.00 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	0.07 s	details
#55	WRONG ANSWER	0.01 s	details
#56	OUTPUT LIMIT EXCEEDED	0.00 s	details
#57	WRONG ANSWER	0.07 s	details
#58	WRONG ANSWER	0.38 s	details
#59	WRONG ANSWER	0.07 s	details
#60	WRONG ANSWER	0.07 s	details
#61	WRONG ANSWER	0.08 s	details
#62	WRONG ANSWER	0.12 s	details
#63	WRONG ANSWER	0.07 s	details
#64	OUTPUT LIMIT EXCEEDED	0.00 s	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:30:22: warning: comparison of integer expressions of different signedness: 'long int' and 'uint64_t' {aka 'long unsigned int'} [-Wsign-compare]
   30 |             if (diff > x) break;
      |                 ~~~~~^~~
input/code.cpp:22:14: warning: unused variable 'best_length' [-Wunused-variable]
   22 |         auto best_length = best.second;
      |              ^~~~~~~~~~~

Code

#include <iostream>
#include <vector>
#include <numeric>
#include <cstdint>

int main() {
    uint64_t n, x;
    std::cin >> n >> x;

    std::vector<int64_t> height(n);
    std::vector<int64_t> height_diff(n, 0);
    for (uint64_t i = 0; i < n; ++i) {
        int64_t h;
        std::cin >> h;
        height[i] = h;
        if (i != 0) height_diff[i] = height_diff[i-1] + h - height[i-1];
        
    }
    
    std::pair<uint64_t, uint64_t> best = {0, 1};
    for (uint64_t i = 0; i < n; ++i) {
        auto best_length = best.second;
        int64_t min = height_diff[i];
        int64_t max = height_diff[i];
        for (uint64_t j = i+1; j < n; ++j) {
            min = std::min(min, height_diff[j]);
            max = std::max(max, height_diff[j]);
            auto diff = max - min;
            std::cout << diff << ", ";
            if (diff > x) break;
            if (j-i+1 > best.second) {
                best = {i, j-i+1};
            }
        }
    }
    
    std::cout << best.first+1 << " " << best.second << std::endl;
}

Test details

Test 1

Verdict: ACCEPTED

input
`1 1 6` view save

correct output
`1 1` view save

user output
`1 1` view save

Test 2

Verdict: WRONG ANSWER

input
`2 10 0 2` view save

correct output
`1 2` view save

user output
`2, 1 2` view save

Test 3

Verdict: WRONG ANSWER

input
`2 4 7 7` view save

correct output
`1 2` view save

user output
`0, 1 2` view save

Test 4

Verdict: WRONG ANSWER

input
`3 8 5 10 5` view save

correct output
`1 3` view save

user output
`5, 5, 5, 1 3` view save

Test 5

Verdict: WRONG ANSWER

input
`3 10 3 6 7` view save

correct output
`1 3` view save

user output
`3, 4, 1, 1 3` view save

Test 6

Verdict: WRONG ANSWER

input
`3 0 6 9 5` view save

correct output
`1 1` view save

user output
`3, 4, 1 1` view save

Test 7

Verdict: WRONG ANSWER

input
`4 3 8 5 1 10` view save

correct output
`1 2` view save

user output
`3, 7, 4, 9, 1 2` view save

Test 8

Verdict: WRONG ANSWER

input
`4 9 6 3 8 7` view save

correct output
`1 4` view save

user output
`3, 5, 5, 5, 5, 1, 1 4` view save

Test 9

Verdict: WRONG ANSWER

input
`4 10 1 9 6 8` view save

correct output
`1 4` view save

user output
`8, 8, 8, 3, 3, 2, 1 4` view save

Test 10

Verdict: WRONG ANSWER

input
`5 6 6 7 9 6 9` view save

correct output
`1 5` view save

user output
`1, 3, 3, 3, 2, 3, 3, 3, 3, 3, ...` view save

Test 11

Verdict: WRONG ANSWER

input
`5 4 10 7 10 0 1` view save

correct output
`1 3` view save

user output
`3, 3, 10, 3, 10, 10, 1, 1 3` view save

Test 12

Verdict: WRONG ANSWER

input
`5 4 2 0 10 6 10` view save

correct output
`3 3` view save

user output
`2, 10, 10, 4, 4, 4, 3 3` view save

Test 13

Verdict: WRONG ANSWER

input
`5 6 0 7 9 3 1` view save

correct output
`2 3` view save

user output
`7, 2, 6, 8, 6, 8, 2, 2 3` view save

Test 14

Verdict: WRONG ANSWER

input
`5 10 9 6 1 10 9` view save

correct output
`1 5` view save

user output
`3, 8, 9, 9, 5, 9, 9, 9, 9, 1, ...` view save

Test 15

Verdict: WRONG ANSWER

input
`5 2 0 9 9 2 4` view save

correct output
`2 2` view save

user output
`9, 0, 7, 7, 2, 2 2` view save

Test 16

Verdict: WRONG ANSWER

input
`5 9 10 3 2 9 0` view save

correct output
`1 4` view save

user output
`7, 8, 8, 10, 1, 7, 9, 7, 9, 9,...` view save

Test 17

Verdict: WRONG ANSWER

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

correct output
`1 1` view save

user output
`6, 5, 1, 6, 1 1` view save

Test 18

Verdict: WRONG ANSWER

input
`5 9 0 10 2 9 4` view save

correct output
`2 4` view save

user output
`10, 8, 8, 8, 7, 7, 5, 2 4` view save

Test 19

Verdict: WRONG ANSWER

input
`5 0 4 5 5 5 0` view save

correct output
`2 3` view save

user output
`1, 0, 0, 5, 0, 5, 5, 2 3` view save

Test 20

Verdict: WRONG ANSWER

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

correct output
`1 10` view save

user output
`1, 3, 3, 3, 4, 4, 5, 5, 5, 2, ...` view save

Test 21

Verdict: WRONG ANSWER

input
`10 4 10 7 10 0 1 3 10 1 2 1` view save

correct output
`1 3` view save

user output
`3, 3, 10, 3, 10, 10, 1, 3, 10,...` view save

Test 22

Verdict: WRONG ANSWER

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

correct output
`6 5` view save

user output
`2, 10, 10, 4, 4, 6, 4, 6, 6, 1...` view save

Test 23

Verdict: WRONG ANSWER

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

correct output
`6 5` view save

user output
`7, 2, 6, 8, 6, 8, 2, 4, 5, 8, ...` view save

Test 24

Verdict: WRONG ANSWER

input
`10 10 9 6 1 10 9 7 6 7 6 2` view save

correct output
`1 10` view save

user output
`3, 8, 9, 9, 9, 9, 9, 9, 9, 5, ...` view save

Test 25

Verdict: WRONG ANSWER

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

correct output
`2 2` view save

user output
`9, 0, 7, 7, 2, 8, 6, 0, 5, 5, ...` view save

Test 26

Verdict: WRONG ANSWER

input
`10 9 10 3 2 9 0 0 4 1 10 6` view save

correct output
`2 7` view save

user output
`7, 8, 8, 10, 1, 7, 9, 9, 9, 9,...` view save

Test 27

Verdict: WRONG ANSWER

input
`10 0 2 8 3 4 10 7 5 10 3 5` view save

correct output
`1 1` view save

user output
`6, 5, 1, 6, 3, 2, 5, 7, 2, 1 1` view save

Test 28

Verdict: WRONG ANSWER

input
`10 9 0 10 2 9 4 5 8 2 4 0` view save

correct output
`2 8` view save

user output
`10, 8, 8, 8, 8, 8, 8, 8, 10, 7...` view save

Test 29

Verdict: WRONG ANSWER

input
`10 0 4 5 5 5 0 1 3 1 0 2` view save

correct output
`2 3` view save

user output
`1, 0, 0, 5, 0, 5, 5, 1, 2, 2, ...` view save

Test 30

Verdict: WRONG ANSWER

input
`100 589284011 636562059 767928733 906523440 ...` view save

correct output
`1 12` view save

user output
`131366674, 269961381, 26996138...` view save

Test 31

Verdict: WRONG ANSWER

input
`100 447773961 773442531 122815 137572578 324...` view save

correct output
`2 10` view save

user output
`773319716, 137449763, 32450430...` view save

Test 32

Verdict: WRONG ANSWER

input
`100 468145962 198730371 27838075 590195589 4...` view save

correct output
`60 11` view save

user output
`170892296, 562357514, 56235751...` view save

Test 33

Verdict: WRONG ANSWER

input
`100 591414746 75940262 760367934 901888416 3...` view save

correct output
`34 14` view save

user output
`684427672, 141520482, 58953182...` view save

Test 34

Verdict: WRONG ANSWER

input
`100 967034923 587586157 185430193 918715994 ...` view save

correct output
`37 64` view save

user output
`402155964, 733285801, 73328580...` view save

Test 35

Verdict: WRONG ANSWER

input
`100 238363352 59249203 934941691 892631471 2...` view save

correct output
`34 5` view save

user output
`875692488, 42310220, 712978690...` view save

Test 36

Verdict: WRONG ANSWER

input
`100 958701282 356460600 224848373 881788058 ...` view save

correct output
`1 100` view save

user output
`131612227, 656939685, 81279519...` view save

Test 37

Verdict: WRONG ANSWER

input
`100 81935403 244103473 837431430 342493821 ...` view save

correct output
`21 3` view save

user output
`593327957, 494937609, 12824449...` view save

Test 38

Verdict: WRONG ANSWER

input
`100 937837680 11934037 257096282 933290529 4...` view save

correct output
`29 54` view save

user output
`245162245, 921356492, 92135649...` view save

Test 39

Verdict: WRONG ANSWER

input
`100 11139167 391337047 538883743 535937149 ...` view save

correct output
`2 3` view save

user output
`147546696, 2946594, 6551218, 5...` view save

Test 40

Verdict: WRONG ANSWER

input
`200 589284011 636562059 767928733 906523440 ...` view save

correct output
`99 15` view save

user output
`131366674, 269961381, 26996138...` view save

Test 41

Verdict: WRONG ANSWER

input
`200 447773961 773442531 122815 137572578 324...` view save

correct output
`2 10` view save

user output
`773319716, 137449763, 32450430...` view save

Test 42

Verdict: WRONG ANSWER

input
`200 468145962 198730371 27838075 590195589 4...` view save

correct output
`60 11` view save

user output
`170892296, 562357514, 56235751...` view save

Test 43

Verdict: WRONG ANSWER

input
`200 591414746 75940262 760367934 901888416 3...` view save

correct output
`104 24` view save

user output
`684427672, 141520482, 58953182...` view save

Test 44

Verdict: WRONG ANSWER

input
`200 967034923 587586157 185430193 918715994 ...` view save

correct output
`37 111` view save

user output
`402155964, 733285801, 73328580...` view save

Test 45

Verdict: WRONG ANSWER

input
`200 238363352 59249203 934941691 892631471 2...` view save

correct output
`34 5` view save

user output
`875692488, 42310220, 712978690...` view save

Test 46

Verdict: WRONG ANSWER

input
`200 958701282 356460600 224848373 881788058 ...` view save

correct output
`1 138` view save

user output
`131612227, 656939685, 81279519...` view save

Test 47

Verdict: WRONG ANSWER

input
`200 81935403 244103473 837431430 342493821 ...` view save

correct output
`21 3` view save

user output
`593327957, 494937609, 12824449...` view save

Test 48

Verdict: WRONG ANSWER

input
`200 937837680 11934037 257096282 933290529 4...` view save

correct output
`84 66` view save

user output
`245162245, 921356492, 92135649...` view save

Test 49

Verdict: WRONG ANSWER

input
`200 11139167 391337047 538883743 535937149 ...` view save

correct output
`2 3` view save

user output
`147546696, 2946594, 6551218, 5...` view save

Test 50

Verdict: WRONG ANSWER

input
`1000 589284011 636562059 767928733 906523440 ...` view save

correct output
`99 15` view save

user output
`131366674, 269961381, 26996138...` view save

Test 51

Verdict: WRONG ANSWER

input
`1000 447773961 773442531 122815 137572578 324...` view save

correct output
`2 10` view save

user output
`773319716, 137449763, 32450430...` view save

Test 52

Verdict: WRONG ANSWER

input
`1000 468145962 198730371 27838075 590195589 4...` view save

correct output
`60 11` view save

user output
`170892296, 562357514, 56235751...` view save

Test 53

Verdict: WRONG ANSWER

input
`10000 591414746 75940262 760367934 901888416 3...` view save

correct output
`104 24` view save

user output
`684427672, 141520482, 58953182...` view save

Test 54

Verdict: WRONG ANSWER

input
`10000 967034923 587586157 185430193 918715994 ...` view save

correct output
`3660 279` view save

user output
`402155964, 733285801, 73328580...` view save

Test 55

Verdict: WRONG ANSWER

input
`10000 238363352 59249203 934941691 892631471 2...` view save

correct output
`325 9` view save

user output
`875692488, 42310220, 712978690...` view save

Test 56

Verdict: OUTPUT LIMIT EXCEEDED

input
`100000 958701282 356460600 224848373 881788058 ...` view save

correct output
`66493 302` view save

user output
(empty)

Test 57

Verdict: WRONG ANSWER

input
`100000 81935403 244103473 837431430 342493821 ...` view save

correct output
`28066 7` view save

user output
`593327957, 494937609, 12824449...` view save

Test 58

Verdict: WRONG ANSWER

input
`100000 937837680 11934037 257096282 933290529 4...` view save

correct output
`91851 177` view save

user output
`245162245, 921356492, 92135649...` view save

Test 59

Verdict: WRONG ANSWER

input
`100000 11139167 391337047 538883743 535937149 ...` view save

correct output
`84138 4` view save

user output
`147546696, 2946594, 6551218, 5...` view save

Test 60

Verdict: WRONG ANSWER

input
`100000 239756970 350744379 561742366 59793553 5...` view save

correct output
`94284 12` view save

user output
`210997987, 501948813, 50194881...` view save

Test 61

Verdict: WRONG ANSWER

input
`100000 316394139 195182396 569713187 906489185 ...` view save

correct output
`12844 13` view save

user output
`374530791, 336775998, 70084530...` view save

Test 62

Verdict: WRONG ANSWER

input
`100000 698334026 81615940 542726430 464528081 9...` view save

correct output
`28811 40` view save

user output
`461110490, 461110490, 86177521...` view save

Test 63

Verdict: WRONG ANSWER

input
`100000 104725911 462211739 817385661 443179352 ...` view save

correct output
`46788 9` view save

user output
`355173922, 374206309, 17803172...` view save

Test 64

Verdict: OUTPUT LIMIT EXCEEDED

input
`100000 20 13 15 11 10 13 16 17 18 15 18 ...` view save

correct output
`1 100000` view save

user output
(empty)

Aalto Competitive Programming 2026 - wk4 - Mon

Moon landing

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

Test 12

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Test 63

Test 64

Tasks

Submissions (aalto26dm_035)