CSES - Datatähti 2025 alku

CSES - Datatähti 2025 alku - Results

Submission details
Task:	Tikut
Sender:	aatukaj
Submission time:	2024-10-31 19:17:41 +0200
Language:	C++ (C++20)
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	0.21 s	1, 3, 4, 5, 6	details
#2	WRONG ANSWER	0.21 s	1, 4, 5, 6	details
#3	WRONG ANSWER	0.21 s	1, 4, 5, 6	details
#4	WRONG ANSWER	0.21 s	1, 4, 5, 6	details
#5	WRONG ANSWER	0.21 s	2, 5, 6	details
#6	WRONG ANSWER	0.21 s	2, 5, 6	details
#7	WRONG ANSWER	0.22 s	3, 5, 6	details
#8	WRONG ANSWER	0.21 s	3, 5, 6	details
#9	WRONG ANSWER	0.23 s	3, 5, 6	details
#10	WRONG ANSWER	0.22 s	3, 5, 6	details
#11	WRONG ANSWER	0.21 s	3, 5, 6	details
#12	WRONG ANSWER	0.21 s	4, 5, 6	details
#13	WRONG ANSWER	0.21 s	4, 5, 6	details
#14	WRONG ANSWER	0.21 s	4, 5, 6	details
#15	WRONG ANSWER	0.22 s	4, 5, 6	details
#16	WRONG ANSWER	0.22 s	5, 6	details
#17	WRONG ANSWER	0.22 s	5, 6	details
#18	WRONG ANSWER	0.21 s	5, 6	details
#19	WRONG ANSWER	0.22 s	5, 6	details
#20	WRONG ANSWER	0.21 s	6	details
#21	WRONG ANSWER	0.21 s	6	details
#22	WRONG ANSWER	0.21 s	6	details

Code

// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
 
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
template<class T> using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
 
using ll = long long;
using ull = unsigned long long;
using ld = long double;
 
using pii = pair<int, int>;
using pll = pair<ll, ll>;
 
// const ll M = 998244353;
const ll M = 1e9 + 7;
// ll M;
 
 
#define all(v) (v).begin(), (v).end()
#define ff first
#define ss second
#define PI 3.141592653589793238462643383279502884L
 
const ll INFL = 1e18;
const int INF = 1e9;
const ll maxN = 5e5+1;
 
mt19937_64 gen(random_device{}());
uniform_int_distribution<int> dist(1, 1);
 
int random(int a, int b) {
    dist.param(uniform_int_distribution<int>::param_type(a, b));
    return dist(gen);
}
 
int cur_mn, cur_mx, ans, n, m;
vector<int> a, cnt;
void rec(int x) {
    if (x==0) {
        int mn = INF;
        int mx = 0;
        for (int i=0; i<n; i++) {
            mn = min(mn, a[i]/cnt[i]);
            mx = max(mx, (a[i]+cnt[i]-1)/cnt[i]);
        }
        ans = min(ans, mx-mn);
        if (mx-mn==ans) {
            cur_mn = mn;
            cur_mx = mx;
 
        }
        return;
    }
    for (int i=0; i<n; i++) {
        cnt[i]++;
        rec(x-1);
        cnt[i]--;
 
    }
}
bool comp(array<int, 3> l, array<int, 3> r) {
    if (l[0]==r[0]) {
        return l[2]<r[2];
    } return l[0]>r[0];
 
}
void solve() {
    // cin >> n >> m;
    n = 6; m = 5;
    a.assign(n, 0);
    for (int i=0; i<n; i++) a[i] = random(1, 50);
 
    vector<int> ans1(m, 0), ans2, mn2(m), mx2(m), mn1(m), mx1(m);
    ans2 = ans1;
    {
        vector<int> cnt(n, 1);
        vector<array<int, 3>> maxs, mins;
        for (int i=0; i<n; i++) {
            for (int j=1; j<=m+1; j++) {
                maxs.push_back({(a[i]+j-1)/j, i, j});
                if (j!=1) mins.push_back({a[i]/j, i, j});
            }
        }
        sort(all(maxs), comp);
        sort(all(mins), comp);
        // for (int i=0; i<m; i++) {
        //     cout << maxs[i][0] << ' ' << maxs[i][1] << ' ' << maxs[i][2] << '\n';
        // }
        // cout << '\n';
        // for (int i=0; i<m; i++) {
        //     cout << mins[i][0] << ' ' << mins[i][1] << ' ' << mins[i][2] << '\n';
        // }
        for (int k=1; k<=m; k++) {
            vector<int> cnt(n, 1);
            int best = INF;
            int p_mn = *min_element(all(a));
            for (int i=0; i<=k; i++) {
                int left = k-i; 
                int j = 0;
                int mn = p_mn;
                while (left) {
                    if (mins[j][2]>cnt[mins[j][1]]) {
                        left--;
                    }
                    mn = min(mn, mins[j][0]);
                    j++;
                }
                best = min(best, maxs[i][0]-mn);
 
                cnt[maxs[i][1]]++;
                p_mn = min(p_mn, a[maxs[i][1]]/cnt[maxs[i][1]]);
            }
            ans1[k-1] = best;
        }
    }
    cnt.assign(n, 1);
    for (int k=1; k<=m; k++) {
        ans = INF;
        rec(k);
        ans2[k-1]=ans;
        mn2[k-1] = cur_mn;
        mx2[k-1] = cur_mx;
        // cout << ans << ' ';
    }
    if (ans1!=ans2) {
        cout << "BAD\n";
        for (auto i: a) cout << i << ' ';
        cout << '\n';
        for (auto i: ans1) cout << i << ' ';
        cout << '\n';
        for (auto i: ans2) cout << i << ' ';
        cout << '\n';
        for (int i=0; i<m; i++) {
            cout << mn1[i] << ' ' << mx1[i] << '\n';
        }
        cout << '\n';
        for (int i=0; i<m; i++) {
            cout << mn2[i] << ' ' << mx2[i] << '\n';
        }
        return;
 
    }
 
 
    
}
int main() {
    ios_base::sync_with_stdio(0); cin.tie(NULL);
    cout << setprecision(12);
 
 
    int tc = 500;
    // cin >>tc;
    while (tc--) solve();
 
}

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
(empty)

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
(empty)

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
(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
(empty)

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
(empty)

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
(empty)

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

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 (aatukaj)