CSES - Datatähti 2025 alku

Submission details
Task:	Tikut
Sender:	Username*
Submission time:	2024-11-09 17:20:31 +0200
Language:	C++ (C++11)
Status:	READY
Result:	20

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	ACCEPTED	8
#3	ACCEPTED	12
#4	WRONG ANSWER	0
#5	WRONG ANSWER	0
#6	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	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	0.00 s	1, 4, 5, 6	details
#5	ACCEPTED	0.00 s	2, 5, 6	details
#6	ACCEPTED	0.00 s	2, 5, 6	details
#7	ACCEPTED	0.00 s	3, 5, 6	details
#8	ACCEPTED	0.00 s	3, 5, 6	details
#9	ACCEPTED	0.00 s	3, 5, 6	details
#10	ACCEPTED	0.00 s	3, 5, 6	details
#11	ACCEPTED	0.00 s	3, 5, 6	details
#12	TIME LIMIT EXCEEDED	--	4, 5, 6	details
#13	TIME LIMIT EXCEEDED	--	4, 5, 6	details
#14	TIME LIMIT EXCEEDED	--	4, 5, 6	details
#15	TIME LIMIT EXCEEDED	--	4, 5, 6	details
#16	TIME LIMIT EXCEEDED	--	5, 6	details
#17	TIME LIMIT EXCEEDED	--	5, 6	details
#18	TIME LIMIT EXCEEDED	--	5, 6	details
#19	TIME LIMIT EXCEEDED	--	5, 6	details
#20	TIME LIMIT EXCEEDED	--	6	details
#21	TIME LIMIT EXCEEDED	--	6	details
#22	TIME LIMIT EXCEEDED	--	6	details

Code

#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#include <climits>

using namespace std;

void solve(vector<int> sticks, int k, int cutsleft, int& diff) {
	if (cutsleft == 0) {
		int maxe = *max_element(sticks.begin(), sticks.end());
		int mine = *min_element(sticks.begin(), sticks.end());
		diff = min(diff, maxe - mine);
		return;
	}
	sort(sticks.begin(), sticks.end());
	int longest = sticks.back();
	sticks.pop_back();
	int half1 = (longest + cutsleft) / (cutsleft + 1);
	int half2 = longest - half1;
	vector<int> temp1 = sticks;
	temp1.push_back(half1);
	temp1.push_back(half2);
	solve(temp1, k, cutsleft - 1, diff);

	half1 = longest / 2;
	half2 = longest - half1;
	vector<int> temp2 = sticks;
	temp2.push_back(half1);
	temp2.push_back(half2);
	solve(temp2, k, cutsleft - 1, diff);
}

vector<int> solve2(vector<int>& sticks, int m) {
    vector<int> results(m, -1);
    int c[4] = { 0 };
    for (int stick : sticks) {
        c[stick]++;
    }

    for (int k = 1; k <= m; ++k) {
        int result = -1;
        int cuts = k;
        int cur[4];
        copy(begin(c), end(c), begin(cur));
        if (cur[3] > cuts) {
            cuts = 0;
        }
        else if (cuts > cur[3]) {
            cur[2] += cur[3];
            cuts -= cur[3];
            cur[3] = 0;
        }
        else if (cuts == cur[3]) {
            cur[3] = 0;
            cur[2] += cuts;
            cuts = 0;
        }
        if (cuts == cur[2]) {
            cur[2] = 0;
            cuts = 0;
        }

        if (cur[3] > 0) {
            result = 2;
        }
        else {
            if (cur[2] > 0) {
                result = 1;
            }
            else {
                result = 0;
            }
        }

        results[k - 1] = result;
    }
    return results;
}


int main() {
	int n, m;
	cin >> n >> m;

	vector<int> sticks(n);
	for (int i = 0; i < n; ++i) {
		cin >> sticks[i];
	}

	vector<int> results(m, INT_MAX);

    if (*max_element(sticks.begin(), sticks.end()) > 3) {
        for (int k = 1; k <= m; ++k) {
            int min_diff = INT_MAX;
            solve(sticks, k, k, min_diff);
            results[k - 1] = min_diff;
        }
    }
    else {
        results = solve2(sticks, m);
    }

	for (int result : results) {
		cout << result << " ";
	}
	cout << endl;

	return 0;
}

Test details

Test 1

Group: 1, 3, 4, 5, 6

Verdict: ACCEPTED

input
`1 1 6` view save

correct output
`0` view save

user output
`0` 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
`5 4 2 2 2 1 1 2 2 1` view save

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
`3 3 2 3 2 2 2 1 2 2` view save

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
`4 4 3 3 2 3 2 2 2 2` view save

Test 5

Group: 2, 5, 6

Verdict: ACCEPTED

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
`2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

Test 6

Group: 2, 5, 6

Verdict: ACCEPTED

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
`2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

Test 7

Group: 3, 5, 6

Verdict: ACCEPTED

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

correct output
`994 994` view save

user output
`994 994` view save

Test 8

Group: 3, 5, 6

Verdict: ACCEPTED

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

correct output
`498 496` view save

user output
`498 496` view save

Test 9

Group: 3, 5, 6

Verdict: ACCEPTED

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

correct output
`500 500` view save

user output
`500 500` view save

Test 10

Group: 3, 5, 6

Verdict: ACCEPTED

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

correct output
`500 500` view save

user output
`500 500` view save

Test 11

Group: 3, 5, 6

Verdict: ACCEPTED

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

correct output
`1 168` view save

user output
`1 168` view save

Test 12

Group: 4, 5, 6

Verdict: TIME LIMIT EXCEEDED

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: TIME LIMIT EXCEEDED

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: TIME LIMIT EXCEEDED

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: TIME LIMIT EXCEEDED

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: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 17

Group: 5, 6

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 18

Group: 5, 6

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 19

Group: 5, 6

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 20

Group: 6

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 21

Group: 6

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Test 22

Group: 6

Verdict: TIME LIMIT EXCEEDED

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

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

user output
(empty)

Datatähti 2025 alku

Tikut

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 (Username*)