CSES - Datatähti 2025 alku

CSES - Datatähti 2025 alku - Results

Submission details
Task:	Tikut
Sender:	MikaelM
Submission time:	2024-11-10 16:33:13 +0200
Language:	C++ (C++17)
Status:	READY
Result:	27

Feedback
group	verdict	score
#1	ACCEPTED	7
#2	ACCEPTED	8
#3	ACCEPTED	12
#4	TIME LIMIT EXCEEDED	0
#5	TIME LIMIT EXCEEDED	0
#6	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 3, 4, 5, 6	details
#2	ACCEPTED	0.01 s	1, 4, 5, 6	details
#3	ACCEPTED	0.01 s	1, 4, 5, 6	details
#4	ACCEPTED	0.01 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	0.10 s	3, 5, 6	details
#8	ACCEPTED	0.09 s	3, 5, 6	details
#9	ACCEPTED	0.07 s	3, 5, 6	details
#10	ACCEPTED	0.06 s	3, 5, 6	details
#11	ACCEPTED	0.05 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 <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
using ll = long long;
 
multiset<int> a;
unordered_map<string, int> memo;
 
int f(int k) {
 
    int pisin = *a.rbegin();
    if (k == 0) return pisin - *a.begin();
 
    string s = "";
    for (int x : a) s += to_string(x) + ",";
    s += to_string(k);
 
    if (memo[s]) return memo[s];
 
    a.erase(a.find(pisin));
 
    int ans = 1e9;
    for (int i = 1; i <= pisin/2; i++) {
        a.insert(i);
        a.insert(pisin - i);
        ans = min(ans, f(k-1));
        a.erase(a.find(i));
        a.erase(a.find(pisin - i));
        if (ans == 0) break;
    }
 
    a.insert(pisin);
 
    memo[s] = ans;
    return ans;
 
}
 
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    
    int n, m;
    cin >> n >> m;
 
    for (int i = 1; i <= n; i++) {
        int x;
        cin >> x;
        a.insert(x);
    }
 
    if (*a.rbegin() <= 3) {
 
        for (int k = 1; k <= m; k++) {
 
            int pisin = *a.rbegin();
            a.insert(pisin / 2);
            a.insert(pisin - pisin / 2);
            a.erase(a.find(pisin));
    
            cout << *a.rbegin() - *a.begin() << " ";
    
        }
 
    }
    else {
        for (int k = 1; k <= m; k++) {
            memo.clear();
            cout << f(k) << " ";
        }
    }
 
    
}

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: 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 (MikaelM)