CSES - Putka Open 2020 – 2/5

Submission details
Task:	Summat
Sender:	Metabolix
Submission time:	2020-09-25 22:38:51 +0300
Language:	C++ (C++11)
Status:	READY
Result:	44

Feedback
group	verdict	score
#1	ACCEPTED	12
#2	ACCEPTED	32
#3	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2, 3	details
#2	ACCEPTED	0.01 s	1, 2, 3	details
#3	ACCEPTED	0.01 s	1, 2, 3	details
#4	ACCEPTED	0.01 s	1, 2, 3	details
#5	ACCEPTED	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.01 s	2, 3	details
#7	ACCEPTED	0.01 s	2, 3	details
#8	ACCEPTED	0.01 s	2, 3	details
#9	ACCEPTED	0.01 s	2, 3	details
#10	ACCEPTED	0.01 s	2, 3	details
#11	ACCEPTED	0.01 s	3	details
#12	ACCEPTED	0.01 s	3	details
#13	ACCEPTED	0.01 s	3	details
#14	TIME LIMIT EXCEEDED	--	3	details
#15	TIME LIMIT EXCEEDED	--	3	details

Compiler report

input/code.cpp: In function 'bool ratkaise(int, int, long int, int, std::vector<int>)':
input/code.cpp:15:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = 1; i < luvut.size(); ++i) {
                    ~~^~~~~~~~~~~~~~
input/code.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (luvut_yhteensa < (n - luvut.size()) * luvut_keskiarvo) {
        ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Code

#include <iostream>
#include <vector>
#include <unordered_map>
#include <algorithm>

bool ratkaise(int a, int n, long luvut_yhteensa, int luvut_keskiarvo, std::vector<int> summat) {
	std::vector<int> luvut {a};
	luvut_yhteensa -= a;
	std::unordered_map<int, int> tarjolla;
	for (int summa: summat) {
		if (tarjolla[summa]) {
			tarjolla[summa] -= 1;
		} else {
			int b = summa - luvut[0];
			for (int i = 1; i < luvut.size(); ++i) {
				int c = b + luvut[i];
				if (summat[n * (n-1) / 2 - 1] < c) {
					return false;
				}
				tarjolla[c] += 1;
			}
			luvut.push_back(b);
			luvut_yhteensa -= b;
			if (luvut_yhteensa < (n - luvut.size()) * luvut_keskiarvo) {
				return false;
			}
		}
	}
	for (int luku: luvut) {
		std::cout << luku << ' ';
	}
	std::cout << '\n';
	return true;
}

int main() {
	int n;
	std::cin >> n;
	std::vector<int> summat(n * (n-1) / 2);
	long summat_yhteensa = 0;
	for (auto& k: summat) {
		std::cin >> k;
		summat_yhteensa += k;
	}
	std::sort(summat.begin(), summat.end());
	long luvut_yhteensa = summat_yhteensa / (n-1);
	int luvut_keskiarvo = luvut_yhteensa / n;

	for (int a = 1; a <= luvut_keskiarvo; ++a) {
		if (ratkaise(a, n, luvut_yhteensa, luvut_keskiarvo, summat)) {
			break;
		}
	}
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 2 2 2 2 2 2 2 2 2 2` view save

correct output
`1 1 1 1 1` view save

user output
`1 1 1 1 1` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 3 4 5 5 6 6 7 7 8 9` view save

correct output
`1 2 3 4 5` view save

user output
`1 2 3 4 5` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 5 6 6 6 9 9 9 10 10 10` view save

correct output
`1 4 5 5 5` view save

user output
`1 4 5 5 5` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 2 3 3 6 6 6 6 7 7 10` view save

correct output
`1 1 2 5 5` view save

user output
`1 1 2 5 5` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 4 5 5 5 5 6 6 6 7 7` view save

correct output
`2 2 3 3 4` view save

user output
`2 2 3 3 4` view save

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
`20 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

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

user output
`1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
`20 3 4 5 5 6 6 7 7 7 8 8 8 9 9 9 ...` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
`20 52 55 55 57 62 62 63 64 66 71 ...` view save

correct output
`1 51 54 54 56 61 61 62 63 65 7...` view save

user output
`1 51 54 54 56 61 61 62 63 65 7...` view save

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
`20 25 30 31 32 36 39 40 41 45 45 ...` view save

correct output
`8 17 22 23 24 28 43 50 53 55 6...` view save

user output
`8 17 22 23 24 28 43 50 53 55 6...` view save

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
`20 9 10 14 17 17 20 21 22 24 25 2...` view save

correct output
`1 8 9 13 16 19 30 32 38 40 43 ...` view save

user output
`1 8 9 13 16 19 30 32 38 40 43 ...` view save

Test 11

Group: 3

Verdict: ACCEPTED

input
`100 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...` view save

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

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

Test 12

Group: 3

Verdict: ACCEPTED

input
`100 3 4 5 5 6 6 7 7 7 8 8 8 9 9 9 ...` view save

correct output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` view save

user output
`1 2 3 4 5 6 7 8 9 10 11 12 13 ...` Truncated

Test 13

Group: 3

Verdict: ACCEPTED

input
`100 502824619 505239810 505668108 ...` view save

correct output
`1 502824618 505239809 50566810...` view save

user output
`1 502824618 505239809 50566810...` Truncated

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100 17871832 41618648 51611938 538...` view save

correct output
`3939271 13932561 37679377 4989...` view save

user output
(empty)

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

input
`100 70588435 115481965 116040218 1...` view save

correct output
`5902586 64685849 109579379 110...` view save

user output
(empty)

Putka Open 2020 – 2/5

Summat

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

Tasks

Submissions (Metabolix)