CSES - Datatähti 2025 alku

Submission details
Task:	Tikut
Sender:	PMak
Submission time:	2024-11-09 23:32:13 +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	0.00 s	1, 4, 5, 6	details
#5	WRONG ANSWER	0.00 s	2, 5, 6	details
#6	WRONG ANSWER	0.01 s	2, 5, 6	details
#7	TIME LIMIT EXCEEDED	--	3, 5, 6	details
#8	TIME LIMIT EXCEEDED	--	3, 5, 6	details
#9	WRONG ANSWER	0.83 s	3, 5, 6	details
#10	WRONG ANSWER	0.05 s	3, 5, 6	details
#11	WRONG ANSWER	0.01 s	3, 5, 6	details
#12	WRONG ANSWER	0.28 s	4, 5, 6	details
#13	TIME LIMIT EXCEEDED	--	4, 5, 6	details
#14	WRONG ANSWER	0.01 s	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

Compiler report

input/code.cpp:22:19: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts'
   22 | void print(vector<auto> v) {
      |                   ^~~~
input/code.cpp:28:21: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts'
   28 | void print(multiset<auto> v) {
      |                     ^~~~
input/code.cpp: In function 'void solve(std::multiset<int>, int)':
input/code.cpp:37:30: warning: comparison of integer expressions of different signedness: 'std::multiset<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |     if (k == M+1 || a.size() != N+k)
      |                     ~~~~~~~~~^~~~~~
input/code.cpp:36:9: warning: variable 't' set but not used [-Wunused-but-set-variable]
   36 |     int t, mx, mn, diff;
      |         ^
input/code.cpp:36:12: warning: unused variable 'mx' [-Wunused-variable]
   36 |     int t, mx, mn, diff;
      |            ^~
input/code.cpp:36:16: war...

Code

#include <bits/stdc++.h>

#define F0R(i, n) for (i=0; i<n; i++)
#define FOR(from, to) for (int i = from; i < to; i++)
#define R0F(n) for (int i = n; i>=0; --i)
#define ROF(from, to) for (int i = from; i >= to; --i)

#define ll long long
#define mod (int) (1e9 + 7)
#define vi vector<int>
#define vll vector<ll>
#define vc vector<char>
#define pii pair<int, int>
#define pci pair<char, int>
#define pll pair<ll, ll>
#define YES cout << "YES\n";
#define NO cout << "NO\n";
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
using namespace std;

void print(vector<auto> v) {
	for (auto it = v.begin(); it != v.end(); ++it)
		cout << *it << " ";
	cout << "\n";
}

void print(multiset<auto> v) {
	for (auto it = v.begin(); it != v.end(); ++it)
		cout << *it << " ";
	cout << "\n";
}

vi ans(5, 1e9); int N, M;
void solve(multiset<int> a, int k) { // k = cuts made already
    int t, mx, mn, diff;
    if (k == M+1 || a.size() != N+k)
        return;

    printf("k=%d: ", k); print(a);

    set<int> st;
    multiset<int> mst;
    for (auto x : a) st.insert(x), mst.insert(x);
    for (auto x : st) {
        FOR (1, x/2+1) {
            t = x;
            mst.erase(x);
            mst.insert(i);
            mst.insert(x-i);

            diff = *--mst.end() - *mst.begin();
            ans[k+1] = min(diff, ans[k+1]);
            solve(mst, k+1);

            mst.erase(i); mst.erase(x-i);
            mst.insert(x);
        }
    }
}

int main() {
    // ios_base::sync_with_stdio(false);
    // cin.tie(NULL);

    int n, m, i;
    cin >> n >> m;
    M=m; N=n;
    vi a(n);
    F0R (i, n) cin >> a[i];

    multiset<int> st;
    F0R (i, n) st.insert(a[i]);
    solve(st, 0);

    /*vi ans(m);

    int t;
    F0R (m) {
        t = *--st.end();
        st.erase(st.find(t));
        st.insert(t/2);
        st.insert(t-t/2);
        // print(st);
        ans[i] = *--st.end() - *st.begin();
    }
    print(ans);*/

    FOR (1, m+1)
        cout << ans[i] << " ";

    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
`k=0: 6 k=1: 1 5 k=1: 2 4 k=1: 3 3 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
`k=0: 2 4 6 7 8 k=1: 1 1 4 6 7 8 k=2: 1 1 1 3 6 7 8 k=3: 1 1 1 1 2 6 7 8 k=4: 1 1 1 1 1 1 6 7 8 ...` 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
`k=0: 5 5 6 7 8 0 1000000000 1000000000 100000...` 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
`k=0: 6 7 8 9 10 k=1: 1 5 7 8 9 10 k=2: 1 1 4 7 8 9 10 k=3: 1 1 1 3 7 8 9 10 k=4: 1 1 1 1 2 7 8 9 10 ...` view save

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
`k=0: 1 1 1 1 1 1 1 1 1 1 1 1 1...` view save

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
`k=0: 2 2 2 2 2 2 2 2 2 2 2 2 2...` view save

Test 7

Group: 3, 5, 6

Verdict: TIME LIMIT EXCEEDED

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

correct output
`994 994` view save

user output
(empty)

Test 8

Group: 3, 5, 6

Verdict: TIME LIMIT EXCEEDED

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

correct output
`498 496` view save

user output
(empty)

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
`k=0: 900 900 900 900 900 900 9...` 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
`k=0: 995 995 995 995 995 995 9...` 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
`k=0: 501 501 501 501 501 501 5...` 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
`k=0: 2 4 7 8 9 13 13 18 20 22 ...` view save

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: 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
`k=0: 100 100 102 102 104 105 1...` view save

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

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 (PMak)