CSES - Datatähti 2025 alku

Submission details
Task:	Tikut
Sender:	rottis
Submission time:	2024-11-02 21:15:08 +0200
Language:	C++ (C++17)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0
#4	WRONG ANSWER	0
#5	WRONG ANSWER	0
#6	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.00 s	1, 3, 4, 5, 6	details
#2	WRONG ANSWER	0.00 s	1, 4, 5, 6	details
#3	WRONG ANSWER	0.00 s	1, 4, 5, 6	details
#4	WRONG ANSWER	0.01 s	1, 4, 5, 6	details
#5	WRONG ANSWER	0.00 s	2, 5, 6	details
#6	WRONG ANSWER	0.00 s	2, 5, 6	details
#7	WRONG ANSWER	0.00 s	3, 5, 6	details
#8	WRONG ANSWER	0.00 s	3, 5, 6	details
#9	WRONG ANSWER	0.00 s	3, 5, 6	details
#10	WRONG ANSWER	0.00 s	3, 5, 6	details
#11	WRONG ANSWER	0.00 s	3, 5, 6	details
#12	WRONG ANSWER	0.00 s	4, 5, 6	details
#13	WRONG ANSWER	0.00 s	4, 5, 6	details
#14	WRONG ANSWER	0.00 s	4, 5, 6	details
#15	WRONG ANSWER	0.00 s	4, 5, 6	details
#16	WRONG ANSWER	0.00 s	5, 6	details
#17	WRONG ANSWER	0.00 s	5, 6	details
#18	WRONG ANSWER	0.00 s	5, 6	details
#19	WRONG ANSWER	0.00 s	5, 6	details
#20	WRONG ANSWER	0.05 s	6	details
#21	WRONG ANSWER	0.02 s	6	details
#22	WRONG ANSWER	0.05 s	6	details

Compiler report

input/code.cpp: In function 'void p3_sol()':
input/code.cpp:26:20: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare]
   26 |         if (c_2max == -1 && cur == c_max) {
      |             ~~~~~~~^~~~~

Code

#include <iostream>
#include <stdlib.h>

unsigned int n, m;

unsigned int *stick_lengths;


void p1_sol() {

}

void p2_sol() {
    
}

void p3_sol() {
    unsigned int c_min = -1;
    unsigned int c_2max = -1; // second highest
    unsigned int c_max = 0;
    for (unsigned int i = 0; i < n; i++) {
        const unsigned int cur = stick_lengths[i];
        if (cur < c_min) {
            c_min = cur;
        }
        if (c_2max == -1 && cur == c_max) {
            c_2max = cur;
        }
        if (cur > c_max) {
            c_2max = c_max;
            c_max = cur;
        }
    }

    bool c_max_odd = c_max & 1;
    unsigned int c_max_half = c_max>>1;
    if (c_max_odd) {
        c_max_half++;
    }
    unsigned int c_real_max = (c_max_half > c_2max ? c_max_half : c_2max);
    if (c_real_max < c_min) {
        std::cout << c_min - c_real_max;
    } else {
        std::cout << c_real_max - c_min;
    }

    if (m == 2) {
        bool c_max_mod_3_has_remainder = c_max % 3;
        unsigned int c_max_div_3 = c_max / 3;

        bool c_2max_odd = c_2max & 1;
        unsigned int c_2max_half = c_2max>>1;

        if (c_max_mod_3_has_remainder) {
            c_max_div_3++;
        }

        if (c_2max_odd) {
            c_2max_half++;
        }

        unsigned int max_case_1 = std::max(c_max_div_3, c_2max);
        unsigned int max_case_2 = std::max(c_max_half, c_2max_half);
        if (c_min > std::min(max_case_1, max_case_2)) {
            std::cout << ' ' << c_min - std::min(max_case_1, max_case_2);
        } else {
            std::cout << ' ' << std::min(max_case_1, max_case_2) - c_min;
        }

    }
}

int main() {
    std::cin >> n >> m;
    stick_lengths = (unsigned int*) malloc((n + m) *sizeof(unsigned int));
    for (unsigned int i = 0; i < n; i++) {
        std::cin >> stick_lengths[i];
    }

    if (m <= 2) {
        p3_sol();
    } else if (n <= 5) {
        p1_sol();
    } else {
        // p4, p5, p6 don't get points anyway :)
        p2_sol();
    }
    std::cout << std::endl;

    return 0;
}

Test details

Test 1

Group: 1, 3, 4, 5, 6

Verdict: WRONG ANSWER

input
`1 1 6` view save

correct output
`0` view save

user output
`3` view save

Test 2

Group: 1, 4, 5, 6

Verdict: WRONG ANSWER

input
`5 10 4 8 6 2 7` view save

correct output
`5 4 2 2 2 1 1 1 1 1` view save

user output
(empty)

Test 3

Group: 1, 4, 5, 6

Verdict: WRONG ANSWER

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

correct output
`3 3 2 3 2 2 1 1 1 2` view save

user output
(empty)

Test 4

Group: 1, 4, 5, 6

Verdict: WRONG ANSWER

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

correct output
`4 4 3 3 2 2 1 2 2 1` view save

user output
(empty)

Test 5

Group: 2, 5, 6

Verdict: WRONG ANSWER

input
`1000 1071 3 2 3 1 3 3 2 3 2 3 2 2 2 1 2 ...` view save

correct output
`2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

user output
(empty)

Test 6

Group: 2, 5, 6

Verdict: WRONG ANSWER

input
`1000 1500 3 2 2 3 2 3 2 2 2 3 2 2 3 3 3 ...` view save

correct output
`2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

user output
(empty)

Test 7

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 15 710 210 347 398 66 318 277 ...` view save

correct output
`994 994` view save

user output
`994 496` view save

Test 8

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 743 890 592 942 736 969 616 50...` view save

correct output
`498 496` view save

user output
`496 1` view save

Test 9

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 987 968 920 994 988 918 914 95...` view save

correct output
`500 500` view save

user output
`99 400` view save

Test 10

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 996 1000 998 998 999 997 997 9...` view save

correct output
`500 500` view save

user output
`1 495` view save

Test 11

Group: 3, 5, 6

Verdict: WRONG ANSWER

input
`1000 2 501 501 501 501 501 501 501 50...` view save

correct output
`1 168` view save

user output
`0 1` view save

Test 12

Group: 4, 5, 6

Verdict: WRONG ANSWER

input
`100 200 145 136 74 83 73 36 196 115 11...` view save

correct output
`194 190 189 183 182 181 181 17...` view save

user output
(empty)

Test 13

Group: 4, 5, 6

Verdict: WRONG ANSWER

input
`100 200 157 110 168 155 192 107 146 15...` view save

correct output
`95 96 96 95 93 94 94 94 90 91 ...` view save

user output
(empty)

Test 14

Group: 4, 5, 6

Verdict: WRONG ANSWER

input
`50 200 137 118 160 118 146 160 140 18...` view save

correct output
`98 98 98 96 90 91 88 88 84 86 ...` view save

user output
(empty)

Test 15

Group: 4, 5, 6

Verdict: WRONG ANSWER

input
`100 200 147 174 186 148 155 128 158 18...` view save

correct output
`99 99 98 98 97 97 96 96 95 95 ...` view save

user output
(empty)

Test 16

Group: 5, 6

Verdict: WRONG ANSWER

input
`1000 2000 928772177 816188227 216592201 ...` view save

correct output
`991676844 990940224 990685481 ...` view save

user output
(empty)

Test 17

Group: 5, 6

Verdict: WRONG ANSWER

input
`1000 2000 665759876 597950008 615453266 ...` view save

correct output
`498801198 498681904 498504321 ...` view save

user output
(empty)

Test 18

Group: 5, 6

Verdict: WRONG ANSWER

input
`500 2000 683288817 784230412 626685186 ...` view save

correct output
`497667621 498434895 495465990 ...` view save

user output
(empty)

Test 19

Group: 5, 6

Verdict: WRONG ANSWER

input
`1000 2000 666667000 809309500 571572000 ...` view save

correct output
`499499500 499249250 498999000 ...` view save

user output
(empty)

Test 20

Group: 6

Verdict: WRONG ANSWER

input
`100000 200000 861772559 734298084 983382252 ...` view save

correct output
`499973914 499985299 499985141 ...` view save

user output
(empty)

Test 21

Group: 6

Verdict: WRONG ANSWER

input
`30000 200000 691834579 617419813 514778075 ...` view save

correct output
`499967533 499976270 499969810 ...` view save

user output
(empty)

Test 22

Group: 6

Verdict: WRONG ANSWER

input
`100000 200000 820255000 960780000 741965000 ...` view save

correct output
`499995000 499992500 499990000 ...` view save

user output
(empty)

Datatähti 2025 alku

Tikut

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

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Tasks

Submissions (rottis)