CSES - Datatähti 2025 alku - Results
Submission details
Task:Tikut
Sender:alberthenriksson
Submission time:2024-11-03 16:00:37 +0200
Language:C++ (C++11)
Status:READY
Result:20
Feedback
groupverdictscore
#10
#2ACCEPTED8
#3ACCEPTED12
#40
#50
#60
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 3, 4, 5, 6details
#20.00 s1, 4, 5, 6details
#30.00 s1, 4, 5, 6details
#40.00 s1, 4, 5, 6details
#5ACCEPTED0.00 s2, 5, 6details
#6ACCEPTED0.00 s2, 5, 6details
#7ACCEPTED0.00 s3, 5, 6details
#8ACCEPTED0.00 s3, 5, 6details
#9ACCEPTED0.00 s3, 5, 6details
#10ACCEPTED0.00 s3, 5, 6details
#11ACCEPTED0.00 s3, 5, 6details
#120.00 s4, 5, 6details
#130.00 s4, 5, 6details
#140.00 s4, 5, 6details
#150.00 s4, 5, 6details
#160.00 s5, 6details
#170.00 s5, 6details
#180.00 s5, 6details
#190.00 s5, 6details
#200.00 s6details
#210.00 s6details
#220.00 s6details

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;
multiset<int> t;
vector<int> v;
int tal1;
int tal2;

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]);
		t.insert(v[0]);
		t.insert(v[n - 1]);
		if (n == 1) {
			cout << v[0] % 2 << "\n";
			if (m == 2) {
				cout << (v[0] * v[0]) % 3;
			}
		}
		auto it = s.end();
		auto wt = w.end();
		auto tt = t.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 (*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;
				tal1 = b - c;
				tt = t.end();
				tt--;
				a = *tt;
				tt--;
				b = *tt;
				tt++;
				t.insert(ceil(a / 2));
				t.insert(floor(a / 2));
				t.insert(ceil(b / 2));
				t.insert(floor(b / 2));
				t.erase(t.find(b));
				tt = t.end();	
				tt--;
				tt--;
				b = *tt;
				tt--;
				tt--;
				tt--;					
				c = *tt;
				tal2 = b - c;
				cout << min(tal1, tal2);
			}
		}
		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 (*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;
				tal1 = b - c;
				t.insert(v[1]);
				tt = t.end();
				tt--;
				a = *tt;
				tt--;
				b = *tt;
				tt++;
				t.insert(ceil(a / 2));
				t.insert(floor(a / 2));
				t.insert(ceil(b / 2));
				t.insert(floor(b / 2));
				t.erase(t.find(b));
				tt = w.end();
				tt--;
				tt--;
				b = *tt;
				tt--;
				tt--;
				tt--;
				tt--;
				c = *tt;
				tal2 = b - c;
				cout << min(tal1, tal2);
			}
		}
		if (n >= 4) {
			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 (*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;
				tal1 = b - c;
				t.insert(v[n - 2]);
				t.insert(v[n - 3]);
				tt = t.end();
				tt--;
				a = *tt;
				tt--;
				b = *tt;
				tt++;
				t.insert(ceil(a / 2));
				t.insert(floor(a / 2));
				t.insert(ceil(b / 2));
				t.insert(floor(b / 2));
				t.erase(t.find(b));
				tt = t.end();
				tt--;
				tt--;
				b = *tt;
				tt--;
				tt--;
				tt--;
				tt--;
				tt--;
				c = *tt;
				tal2 = b - c;
				cout << min(tal1, tal2);
			}
		}
	}
	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

correct output

user output
0

Test 2

Group: 1, 4, 5, 6

Verdict:

input
5 10
4 8 6 2 7

correct output
5 4 2 2 2 1 1 1 1 1 

user output
0

Test 3

Group: 1, 4, 5, 6

Verdict:

input
5 10
5 5 8 6 7

correct output
3 3 2 3 2 2 1 1 1 2 

user output
(empty)

Test 4

Group: 1, 4, 5, 6

Verdict:

input
5 10
8 7 9 6 10

correct output
4 4 3 3 2 2 1 2 2 1 

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 ...

correct output
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

user output
2
2
2
2
2
...

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 ...

correct output
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...

user output
2
2
2
2
2
...

Test 7

Group: 3, 5, 6

Verdict: ACCEPTED

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

correct output
994 994 

user output
994
994

Test 8

Group: 3, 5, 6

Verdict: ACCEPTED

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

correct output
498 496 

user output
498
496

Test 9

Group: 3, 5, 6

Verdict: ACCEPTED

input
1000 2
987 968 920 994 988 918 914 95...

correct output
500 500 

user output
500
500

Test 10

Group: 3, 5, 6

Verdict: ACCEPTED

input
1000 2
996 1000 998 998 999 997 997 9...

correct output
500 500 

user output
500
500

Test 11

Group: 3, 5, 6

Verdict: ACCEPTED

input
1000 2
501 501 501 501 501 501 501 50...

correct output
1 168 

user output
1
168

Test 12

Group: 4, 5, 6

Verdict:

input
100 200
145 136 74 83 73 36 196 115 11...

correct output
194 190 189 183 182 181 181 17...

user output
0

Test 13

Group: 4, 5, 6

Verdict:

input
100 200
157 110 168 155 192 107 146 15...

correct output
95 96 96 95 93 94 94 94 90 91 ...

user output
(empty)

Test 14

Group: 4, 5, 6

Verdict:

input
50 200
137 118 160 118 146 160 140 18...

correct output
98 98 98 96 90 91 88 88 84 86 ...

user output
(empty)

Test 15

Group: 4, 5, 6

Verdict:

input
100 200
147 174 186 148 155 128 158 18...

correct output
99 99 98 98 97 97 96 96 95 95 ...

user output
(empty)

Test 16

Group: 5, 6

Verdict:

input
1000 2000
928772177 816188227 216592201 ...

correct output
991676844 990940224 990685481 ...

user output
(empty)

Test 17

Group: 5, 6

Verdict:

input
1000 2000
665759876 597950008 615453266 ...

correct output
498801198 498681904 498504321 ...

user output
(empty)

Test 18

Group: 5, 6

Verdict:

input
500 2000
683288817 784230412 626685186 ...

correct output
497667621 498434895 495465990 ...

user output
(empty)

Test 19

Group: 5, 6

Verdict:

input
1000 2000
666667000 809309500 571572000 ...

correct output
499499500 499249250 498999000 ...

user output
(empty)

Test 20

Group: 6

Verdict:

input
100000 200000
861772559 734298084 983382252 ...

correct output
499973914 499985299 499985141 ...

user output
(empty)

Test 21

Group: 6

Verdict:

input
30000 200000
691834579 617419813 514778075 ...

correct output
499967533 499976270 499969810 ...

user output
(empty)

Test 22

Group: 6

Verdict:

input
100000 200000
820255000 960780000 741965000 ...

correct output
499995000 499992500 499990000 ...

user output
(empty)