CSES - Datatähti 2025 alku

CSES - Datatähti 2025 alku - Results

Submission details
Task:	Tikut
Sender:	alberthenriksson
Submission time:	2024-11-03 15:19:58 +0200
Language:	C++ (C++11)
Status:	READY
Result:	8

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	ACCEPTED	8
#3	WRONG ANSWER	0
#4	WRONG ANSWER	0
#5	WRONG ANSWER	0
#6	WRONG ANSWER	0

Test results
test	verdict	group
#1	ACCEPTED	1, 3, 4, 5, 6	details
#2	WRONG ANSWER	1, 4, 5, 6	details
#3	WRONG ANSWER	1, 4, 5, 6	details
#4	WRONG ANSWER	1, 4, 5, 6	details
#5	ACCEPTED	2, 5, 6	details
#6	ACCEPTED	2, 5, 6	details
#7	ACCEPTED	3, 5, 6	details
#8	ACCEPTED	3, 5, 6	details
#9	ACCEPTED	3, 5, 6	details
#10	ACCEPTED	3, 5, 6	details
#11	WRONG ANSWER	3, 5, 6	details
#12	WRONG ANSWER	4, 5, 6	details
#13	WRONG ANSWER	4, 5, 6	details
#14	WRONG ANSWER	4, 5, 6	details
#15	WRONG ANSWER	4, 5, 6	details
#16	RUNTIME ERROR	5, 6	details
#17	RUNTIME ERROR	5, 6	details
#18	RUNTIME ERROR	5, 6	details
#19	RUNTIME ERROR	5, 6	details
#20	RUNTIME ERROR	6	details
#21	RUNTIME ERROR	6	details
#22	RUNTIME ERROR	6	details

Code

#include <iostream>
#include <set>
#include <cmath>
#include <vector>
#include <algorithm>
using namespace std;
int d[4];
int pass = 0;
multiset<int> s;
multiset<int> w;
vector<int> v;

int main() {
	int n, m;
	float a = 0;
	float b = 0;
	float c = 0;
	cin >> n >> m;
	if (m <= 2) {
		for (int i = 1; i <= n; i++) {
			int a;
			cin >> a;
			v.push_back(a);
		}
		sort(v.begin(), v.end());
		s.insert(v[0]);
		s.insert(v[n - 1]);
		w.insert(v[0]);
		w.insert(v[n - 1]);
		if (n == 1) {
			cout << v[0] % 2 << "\n";
			if (m == 2) {
				cout << (v[0] * v[0]) % 3;
			}
			pass = 1;
		}
		auto it = s.end();
		auto wt = w.end();
		it--;
		wt--;
		if (n == 2) {
			a = *it;
			s.insert(ceil(a / 2));
			s.insert(floor(a / 2));
			it--;
			b = *it;
			it--;
			it--;
			c = *it;
			cout << b - c << "\n";
			if (m == 2) {
				a = *wt;
				wt--;
				b = *wt;
				wt++;
				if (a >= 2 * b) {
					if (*wt % 3 == 0) {
						w.insert(a / 3);
						w.insert(a / 3);
						w.insert(a / 3);
					}
					if (*wt % 3 == 1) {
						w.insert(ceil(a / 3));
						w.insert(floor(a / 3));
						w.insert(floor(a / 3));
					}
					if (*wt % 3 == 2) {
						w.insert(ceil(a / 3));
						w.insert(ceil(a / 3));
						w.insert(floor(a / 3));
					}
					wt--;
					b = *wt;
					wt--;
					wt--;
					wt--;
					c = *wt;
					cout << b - c;
				}
				else {
					a = *wt;
					wt--;
					b = *wt;
					wt++;
					w.insert(ceil(a / 2));
					w.insert(floor(a / 2));
					w.insert(ceil(b / 2));
					w.insert(floor(b / 2));
					w.erase(w.find(b));
					wt = w.end();
					wt--;
					wt--;
					b = *wt;
					wt--;
					wt--;
					wt--;
					c = *wt;
					cout << b - c;
				}
			}
			pass = 1;
		}
		if (n == 3) {
			s.insert(v[1]);
			it = s.end();
			it--;
			a = *it;
			s.insert(ceil(a / 2));
			s.insert(floor(a / 2));
			it--;
			b = *it;
			it--;
			it--;
			it--;
			c = *it;
			cout << b - c << "\n";
			if (m == 2) {
				w.insert(v[1]);
				wt = w.end();
				wt--;
				a = *wt;
				wt--;
				b = *wt;
				wt++;
				if (a >= 2 * b) {
					if (*wt % 3 == 0) {
						w.insert(a / 3);
						w.insert(a / 3);
						w.insert(a / 3);
					}
					if (*wt % 3 == 1) {
						w.insert(ceil(a / 3));
						w.insert(floor(a / 3));
						w.insert(floor(a / 3));
					}
					if (*wt % 3 == 2) {
						w.insert(ceil(a / 3));
						w.insert(ceil(a / 3));
						w.insert(floor(a / 3));
					}
					wt = w.end();
					wt--;
					wt--;
					b = *wt;
					wt--;
					wt--;
					wt--;
					wt--;
					c = *wt;
					cout << b - c;
				}
				else {
					w.insert(ceil(a / 2));
					w.insert(floor(a / 2));
					w.insert(ceil(b / 2));
					w.insert(floor(b / 2));
					w.erase(w.find(b));
					wt = w.end();
					wt--;
					wt--;
					b = *wt;
					wt--;
					wt--;
					wt--;
					wt--;
					c = *wt;
					cout << b - c;
				}
			}
			pass = 1;
		}
		if (pass == 0) {
			s.insert(v[n-2]);
			s.insert(v[n - 3]);
			it = s.end();
			it--;
			a = *it;
			s.insert(ceil(a / 2));
			s.insert(floor(a / 2));
			it--;
			b = *it;
			it--;
			it--;
			it--;
			it--;
			c = *it;
			cout << b - c << "\n";
			if (m == 2) {
				w.insert(v[n - 2]);
				w.insert(v[n - 3]);
				wt = w.end();
				wt--;
				a = *wt;
				wt--;
				b = *wt;
				wt++;
				if (a >= 2 * b) {
					if (*wt % 3 == 0) {
						w.insert(a / 3);
						w.insert(a / 3);
						w.insert(a / 3);
					}
					if (*wt % 3 == 1) {
						w.insert(ceil(a / 3));
						w.insert(floor(a / 3));
						w.insert(floor(a / 3));
					}
					if (*wt % 3 == 2) {
						w.insert(ceil(a / 3));
						w.insert(ceil(a / 3));
						w.insert(floor(a / 3));
					}
					wt = w.end();
					wt--;
					wt--;
					b = *wt;
					wt--;
					wt--;
					wt--;
					wt--;
					wt--;
					c = *wt;
					cout << b - c;
				}
				else {
					w.insert(ceil(a / 2));
					w.insert(floor(a / 2));
					w.insert(ceil(b / 2));
					w.insert(floor(b / 2));
					w.erase(w.find(b));
					wt = w.end();
					wt--;
					wt--;
					b = *wt;
					wt--;
					wt--;
					wt--;
					wt--;
					wt--;
					c = *wt;
					cout << b - c;
				}
			}
		}
	}
	else {
		for (int i = 1; i <= n; i++) {
			int a;
			cin >> a;
			d[a] += 1;
		}
		while (d[3] > 0) {
			d[3] = d[3] - 1;
			d[2] = d[2] + 1;
			if (d[3] > 0) {
				cout << 2 << "\n";
			}
			else {
				cout << 1 << "\n";
			}
		}
		while (d[2] > 0) {
			d[2] -= 1;
			if (d[2] > 0) {
				cout << 1 << "\n";
			}
			else {
				cout << 0 << "\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: 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
`0` 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
(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: 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 ...` 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 ...` 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: WRONG ANSWER

input
`1000 2 501 501 501 501 501 501 501 50...` view save

correct output
`1 168` view save

user output
`1 251` 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
`0` 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
(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: RUNTIME ERROR

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

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

user output
(empty)

Test 17

Group: 5, 6

Verdict: RUNTIME ERROR

input
`1000 2000 665759876 597950008 615453266 ...` view save

correct output
`498801198 498681904 498504321 ...` view save

user output
(empty)

Test 18

Group: 5, 6

Verdict: RUNTIME ERROR

input
`500 2000 683288817 784230412 626685186 ...` view save

correct output
`497667621 498434895 495465990 ...` view save

user output
(empty)

Test 19

Group: 5, 6

Verdict: RUNTIME ERROR

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

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

user output
(empty)

Test 20

Group: 6

Verdict: RUNTIME ERROR

input
`100000 200000 861772559 734298084 983382252 ...` view save

correct output
`499973914 499985299 499985141 ...` view save

user output
(empty)

Test 21

Group: 6

Verdict: RUNTIME ERROR

input
`30000 200000 691834579 617419813 514778075 ...` view save

correct output
`499967533 499976270 499969810 ...` view save

user output
(empty)

Test 22

Group: 6

Verdict: RUNTIME ERROR

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 (alberthenriksson)