CSES - Datatähti Open 2021

CSES - Datatähti Open 2021 - Results

Submission details
Task:	Polygonal Chain
Sender:	voventa
Submission time:	2021-02-12 18:29:25 +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

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.01 s	1, 2, 4, 5	details
#2	WRONG ANSWER	0.01 s	1, 2, 4, 5	details
#3	WRONG ANSWER	0.01 s	1, 2, 4, 5	details
#4	WRONG ANSWER	0.01 s	1, 2, 4, 5	details
#5	WRONG ANSWER	0.01 s	1, 2, 4, 5	details
#6	WRONG ANSWER	0.01 s	2, 4, 5	details
#7	WRONG ANSWER	0.01 s	2, 4, 5	details
#8	WRONG ANSWER	0.01 s	2, 4, 5	details
#9	WRONG ANSWER	0.01 s	2, 4, 5	details
#10	WRONG ANSWER	0.01 s	2, 4, 5	details
#11	WRONG ANSWER	0.01 s	4, 5	details
#12	TIME LIMIT EXCEEDED	--	5	details
#13	WRONG ANSWER	0.01 s	3, 4, 5	details
#14	WRONG ANSWER	0.01 s	3, 4, 5	details
#15	WRONG ANSWER	0.01 s	1, 2, 4, 5	details
#16	WRONG ANSWER	0.01 s	4, 5	details
#17	WRONG ANSWER	0.01 s	4, 5	details
#18	TIME LIMIT EXCEEDED	--	5	details
#19	WRONG ANSWER	0.01 s	1, 2, 4, 5	details
#20	WRONG ANSWER	0.01 s	2, 4, 5	details
#21	WRONG ANSWER	0.01 s	2, 4, 5	details
#22	WRONG ANSWER	0.01 s	2, 4, 5	details
#23	WRONG ANSWER	0.01 s	4, 5	details
#24	WRONG ANSWER	0.01 s	4, 5	details
#25	WRONG ANSWER	0.01 s	4, 5	details
#26	WRONG ANSWER	0.14 s	5	details
#27	WRONG ANSWER	0.16 s	5	details
#28	WRONG ANSWER	0.17 s	5	details
#29	WRONG ANSWER	0.16 s	5	details
#30	WRONG ANSWER	0.01 s	1, 2, 4, 5	details

Code

#include <bits/stdc++.h>
#define X first
#define Y second
#define sz(a) (int)a.size()
#define pb push_back
//#define int long long

using namespace std;
typedef long long ll;

void solve();

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int t = 1;
    //cin >> t;
    while (t--)
        solve();
    return 0;
}

int a[100010];

pair <int, int> xx[100010];

string s;

vector <vector <int>> v;

vector <int> ans, ans2;

void solve() {
    int n, l = 0, r;
    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
        if (i == 0) {
            r = a[i];
        } else {
            l = r;
            if (i % 2 == 1)
                r = l - a[i];
            else
                r = l + a[i];
        }
        xx[i] = {l, r};
    }
    for (int i = 0; i < n; ++i) {
        cout << xx[i].X << " " << xx[i].Y << endl;
    }
    cin >> s;
    int A, B, C;
    for (int i = 0; i < n; ++i) {
        v.pb({i});
        while (sz(v) > 2) {
            char c1 = s[v[sz(v) - 3].back()], c2 = s[v[sz(v) - 2].back()];
            A = abs(xx[v[sz(v) - 3][0]].X - xx[v[sz(v) - 3].back()].Y);
            B = abs(xx[v[sz(v) - 2][0]].X - xx[v[sz(v) - 2].back()].Y);
            C = abs(xx[v[sz(v) - 1][0]].X - xx[v[sz(v) - 1].back()].Y);
            if ((A < B && B < C) || (A < B && B > C) || (A > B && B > C) || (A == B && B > C) || (A < B && B == C)) {
                break;
            }
            if ((A == B && B == C) || (A > B && B == C) ) {
                if (c1 != c2) {
                    cout << "NO";
                    return;
                } else {
                    if (c1 == s[i] || i == n - 1) {
                        for (auto i : v[sz(v) - 2]) {
                            v[sz(v) - 3].pb(i);
                        }
                        for (auto i : v[sz(v) - 1]) {
                            v[sz(v) - 3].pb(i);
                        }
                        v.pop_back();
                        v.pop_back();
                        continue;
                    } else
                        break;
                }
            }
            if (c1 != c2) {
                cout << "NO";
                return;
            }
            for (auto i : v[sz(v) - 2]) {
                v[sz(v) - 3].pb(i);
            }
            for (auto i : v[sz(v) - 1]) {
                v[sz(v) - 3].pb(i);
            }
            v.pop_back();
            v.pop_back();
        }
    }
    int t = sz(v);
    int x = 0, y = 0;
    for (int i = 0; i < sz(v); i++) {
        int k = 1;
        for (int j = 0; j < sz(v[i]) - 1; ++j) {
            if (j != sz(v[i]) - 2 && s[x + j] != s[x + j + 1]) {
                ans.pb(k);
            } else
                ans.pb(1);
            k++;
        }
        if (i < sz(v) - 1 && abs(xx[v[i][0]].X - xx[v[i].back()].Y) >= abs(xx[v[i + 1][0]].X - xx[v[i + 1].back()].Y)) {
            t = i + 1;
            ans.pb(1000000);
            break;
        }
        x += sz(v[i]);
        y += sz(v[i]);
        if (sz(v) == i + 1)
            break;
        if (i == 0 || s[x - 1] == s[x - 1 - sz(v[i])]) {
            ans.pb(1);
            y++;
        } else {
            ans.pb(y + 2);
            y += 2;
        }
    }
    x = 0;
    y = 0;
    for (int i = sz(v) - 1; i >= t; --i) {
        int k = 1;
        for (int j = sz(v[i]) - 1; j > 0; --j) {
            if (j != 1 && s[n - 2 - x - j] != s[n - 2 - x - j - 1]) {
                ans.pb(k);
            } else
                ans.pb(1);
            k++;
        }
        x += sz(v[i]);
        y += sz(v[i]);
        if (t == i)
            break;
        if (s[n - 2 - x] == s[n - 2 - x + sz(v[i])])
            ans2.pb(1);
        else {
            ans2.pb(y + 2);
            y++;
        }
        y++;
    }
    reverse(ans2.begin(), ans2.end());
    cout << "YES\n";
    for (auto i : ans) {
        cout << i << " ";
    }
    for (auto i : ans2) {
        cout << i << " ";
    }
    return;
}

Test details

Test 1

Group: 1, 2, 4, 5

Verdict: WRONG ANSWER

input
`2 2 10 D` view save

correct output
`YES 1` view save

user output
`0 2 2 -8 YES 1` view save

Test 2

Group: 1, 2, 4, 5

Verdict: WRONG ANSWER

input
`8 5 8 7 5 6 5 3 4 DUUUDDD` view save

correct output
`YES 1 5 1 1 3 1 1` view save

user output
`0 5 5 -3 -3 4 4 -1 -1 5 ...` view save

Test 3

Group: 1, 2, 4, 5

Verdict: WRONG ANSWER

input
`8 9 8 8 10 10 8 9 10 DDDUUUD` view save

correct output
`YES 1 1 1 4 1 1 7` view save

user output
`0 9 9 1 1 9 9 -1 -1 9 ...` view save

Test 4

Group: 1, 2, 4, 5

Verdict: WRONG ANSWER

input
`8 9 10 8 8 9 9 7 8 DDDDUUU` view save

correct output
`NO` view save

user output
`0 9 9 -1 -1 7 7 -1 -1 8 ...` view save

Test 5

Group: 1, 2, 4, 5

Verdict: WRONG ANSWER

input
`8 10 2 8 3 10 2 10 10 DDUUUUD` view save

correct output
`YES 1 1 3 1 1 1 7` view save

user output
`0 10 10 8 8 16 16 13 13 23 ...` view save

Test 6

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`15 73 74 97 82 19 50 26 51 56 93 ...` view save

correct output
`YES 1 2 3 1 1 3 1 1 1 10 1 3 1 1` view save

user output
`0 73 73 -1 -1 96 96 14 14 33 ...` Truncated

Test 7

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`15 95 71 97 77 98 76 100 62 96 69...` view save

correct output
`YES 1 1 3 1 1 1 1 1 9 1 11 1 13 1` view save

user output
`0 95 95 24 24 121 121 44 44 142 ...` Truncated

Test 8

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`15 79 81 84 86 88 90 92 92 91 89 ...` view save

correct output
`YES 1 2 3 4 5 6 14 1 6 5 4 3 2 1` view save

user output
`0 79 79 -2 -2 82 82 -4 -4 84 ...` Truncated

Test 9

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`15 97 90 87 83 79 76 74 23 24 76 ...` view save

correct output
`YES 13 11 9 7 5 3 1 1 3 5 7 9 11 1...` view save

user output
`0 97 97 7 7 94 94 11 11 90 ...` Truncated

Test 10

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`15 100 2 99 1 78 4 93 2 100 1 15 ...` view save

correct output
`NO` view save

user output
`0 100 100 98 98 197 197 196 196 274 ...` Truncated

Test 11

Group: 4, 5

Verdict: WRONG ANSWER

input
`1000 999997 999995 999993 999991 99...` view save

correct output
`YES 997 995 993 991 989 987 985 98...` view save

user output
`0 999997 999997 2 2 999995 999995 4 4 999993 ...` Truncated

Test 12

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`100000 999999998 999999996 999999994 ...` view save

correct output
`YES 99997 99995 99993 99991 99989 ...` view save

user output
(empty)

Test 13

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`YES 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`0 1 1 0 0 1 1 0 0 1 ...` Truncated

Test 14

Group: 3, 4, 5

Verdict: WRONG ANSWER

input
`1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`NO` view save

user output
`0 1 1 0 0 1 1 0 0 1 ...` Truncated

Test 15

Group: 1, 2, 4, 5

Verdict: WRONG ANSWER

input
`5 6 7 7 6 6 UDUU` view save

correct output
`YES 1 4 1 1` view save

user output
`0 6 6 -1 -1 6 6 0 0 6 ...` view save

Test 16

Group: 4, 5

Verdict: WRONG ANSWER

input
`30 15 12 9 88 10 26 78 23 67 14 9...` view save

correct output
`YES 1 1 1 4 1 3 1 1 7 1 19 1 1 3 1...` view save

user output
`0 15 15 3 3 12 12 -76 -76 -66 ...` Truncated

Test 17

Group: 4, 5

Verdict: WRONG ANSWER

input
`1000 1000000 1 146324 146324 289287...` view save

correct output
`YES 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
`0 1000000 1000000 999999 999999 1146323 1146323 999999 999999 1289286 ...` Truncated

Test 18

Group: 5

Verdict: TIME LIMIT EXCEEDED

input
`100000 1000000000 1 421262579 4212625...` view save

correct output
`YES 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

user output
(empty)

Test 19

Group: 1, 2, 4, 5

Verdict: WRONG ANSWER

input
`8 1 3 1 2 5 1 1 2 DUUUDUU` view save

correct output
`NO` view save

user output
`0 1 1 -2 -2 -1 -1 -3 -3 2 ...` view save

Test 20

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`15 3 1 33 13 1 11 32 8 1 19 15 25...` view save

correct output
`YES 1 1 5 1 1 3 5 1 1 1 1 5 2 1` view save

user output
`0 3 3 2 2 35 35 22 22 23 ...` Truncated

Test 21

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`15 10 2 39 41 42 34 31 28 26 24 2...` view save

correct output
`YES 1 1 1 1 10 9 8 7 6 1 4 1 1 1` view save

user output
`0 10 10 8 8 47 47 6 6 48 ...` Truncated

Test 22

Group: 2, 4, 5

Verdict: WRONG ANSWER

input
`15 27 4 6 23 26 37 40 38 44 27 3 ...` view save

correct output
`YES 1 1 1 1 5 1 7 1 3 1 1 3 1 1` view save

user output
`0 27 27 23 23 29 29 6 6 32 ...` Truncated

Test 23

Group: 4, 5

Verdict: WRONG ANSWER

input
`1000 3246 3562 197273 197429 197755...` view save

correct output
`YES 1 1 1 4 5 10 3 1 1 3 7 12 1 1 ...` view save

user output
`0 3246 3246 -316 -316 196957 196957 -472 -472 197283 ...` Truncated

Test 24

Group: 4, 5

Verdict: WRONG ANSWER

input
`1000 503981 503487 503350 502673 50...` view save

correct output
`YES 999 1 997 1 1 994 989 1 1 1 1 ...` view save

user output
`0 503981 503981 494 494 503844 503844 1171 1171 503792 ...` Truncated

Test 25

Group: 4, 5

Verdict: WRONG ANSWER

input
`1000 1445 1363 1749 1084 262408 263...` view save

correct output
`NO` view save

user output
`0 1445 1445 82 82 1831 1831 747 747 263155 ...` Truncated

Test 26

Group: 5

Verdict: WRONG ANSWER

input
`100000 209655 9167 9389 191291 198294...` view save

correct output
`NO` view save

user output
`0 209655 209655 200488 200488 209877 209877 18586 18586 216880 ...` Truncated

Test 27

Group: 5

Verdict: WRONG ANSWER

input
`100000 16295 14904 5103 13337 26939 3...` view save

correct output
`YES 1 1 1 1 5 6 1 1 1 10 11 1 13 1...` view save

user output
`0 16295 16295 1391 1391 6494 6494 -6843 -6843 20096 ...` Truncated

Test 28

Group: 5

Verdict: WRONG ANSWER

input
`100000 1859 174288 15040 4631 4993844...` view save

correct output
`YES 1 3 1 1 99997 99992 1 1 5 1 1 ...` view save

user output
`0 1859 1859 -172429 -172429 -157389 -157389 -162020 -162020 499222419 ...` Truncated

Test 29

Group: 5

Verdict: WRONG ANSWER

input
`100000 959817 958289 966165 922369 92...` view save

correct output
`YES 1 1 1 1 1 1 1 1 1 1 11 14 1 1 ...` view save

user output
`0 959817 959817 1528 1528 967693 967693 45324 45324 972854 ...` Truncated

Test 30

Group: 1, 2, 4, 5

Verdict: WRONG ANSWER

input
`8 2 3 2 3 5 6 7 8 UDDDUDU` view save

correct output
`YES 1 2 1 1 5 6 7` view save

user output
`0 2 2 -1 -1 1 1 -2 -2 3 ...` view save

Datatähti Open 2021

Polygonal Chain

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

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Tasks

Submissions (voventa)