CSES - Datatähti 2025 alku

Submission details
Task:	Tikut
Sender:	Verlet
Submission time:	2024-11-10 12:48:02 +0200
Language:	C++ (C++17)
Status:	READY
Result:	27

Feedback
group	verdict	score
#1	ACCEPTED	7
#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	ACCEPTED	0.00 s	1, 4, 5, 6	details
#3	ACCEPTED	0.00 s	1, 4, 5, 6	details
#4	ACCEPTED	0.00 s	1, 4, 5, 6	details
#5	ACCEPTED	0.04 s	2, 5, 6	details
#6	ACCEPTED	0.06 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	ACCEPTED	0.01 s	4, 5, 6	details
#13	WRONG ANSWER	0.01 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	ACCEPTED	0.15 s	5, 6	details
#17	WRONG ANSWER	0.16 s	5, 6	details
#18	WRONG ANSWER	0.06 s	5, 6	details
#19	ACCEPTED	0.20 s	5, 6	details
#20	TIME LIMIT EXCEEDED	--	6	details
#21	TIME LIMIT EXCEEDED	--	6	details
#22	TIME LIMIT EXCEEDED	--	6	details

Compiler report

input/code.cpp: In function 'void cut(std::vector<std::tuple<double, int, int> >&, int)':
input/code.cpp:17:7: warning: unused variable 'initialDifference' [-Wunused-variable]
   17 |   int initialDifference = initialMax - initialMin;
      |       ^~~~~~~~~~~~~~~~~

Code

#include <iostream>
#include <algorithm>
#include <vector>
#include <cmath>

using namespace std;

typedef tuple<double, int, int> stick;

void cut(vector<stick> & t, int n)
{
  sort(t.rbegin(), t.rend());
  
  int initialMax = ceil (get<0>(t[0  ]));
  int initialMin = floor(get<0>(t[n-1]));
  
  int initialDifference = initialMax - initialMin;

  // Try the longest stick
  double cutval = (double) get<1>(t[0]) / (get<2>(t[0]) + 1);

  int cutmax = max(ceil (cutval), ceil (get<0>(t[1  ])));
  int cutmin = min(floor(cutval), floor(get<0>(t[n-1])));

  int cutDifference = cutmax - cutmin;
  
  int cutIndex = 0;

  // Longest stick increased the difference.
  // Try cutting one of the other sticks such that the difference remains constant
  for (int i = 1; i < n; i++)
  {
    double newval = (double) get<1>(t[i]) / (get<2>(t[i]) + 1);

    int newmax = max((int) ceil (newval), initialMax);
    int newmin = min((int) floor(newval), initialMin);

    int newDifference = newmax - newmin;

    if (newDifference < cutDifference)
    {
      cutDifference = newDifference;
      cutval = newval;
      cutIndex = i;
    }
  }

  cout << cutDifference << " ";
  get<0>(t[cutIndex]) = cutval;
  get<2>(t[cutIndex])++;
}

int main()
{
  int n, m;

  cin >> n >> m;

  vector<stick> t;

  for (int i = 0; i < n; i++)
  {
    int l;

    cin >> l;

    t.push_back(make_tuple(l, l, 1));
  }

  for (int i = 1; i <= m; i++)
  {
    cut(t, n);
  }
}

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: ACCEPTED

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 1 1 1` view save

Test 3

Group: 1, 4, 5, 6

Verdict: ACCEPTED

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 1 1 1 2` view save

Test 4

Group: 1, 4, 5, 6

Verdict: ACCEPTED

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 2 1 2 2 1` 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: ACCEPTED

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

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

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

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

Test 16

Group: 5, 6

Verdict: ACCEPTED

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

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

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

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
`498801198 498681904 498504321 ...` view save

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
`497667621 498434895 495465990 ...` view save

Test 19

Group: 5, 6

Verdict: ACCEPTED

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

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

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

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

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 (Verlet)