CSES - Putka Open 2020 – 2/5

CSES - Putka Open 2020 – 2/5 - Results

Submission details
Task:	Summat
Sender:	Gomhog
Submission time:	2020-09-25 20:01:06 +0300
Language:	C++11
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	12
#2	ACCEPTED	32
#3	ACCEPTED	56

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	0.03 s	3	details
#14	ACCEPTED	0.01 s	3	details
#15	ACCEPTED	0.01 s	3	details

Code

#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
#define F first
#define S second

using namespace std;

int n,nn;
int prs[50505];
int res[101];

bool solve(int ind) {
	int a12=prs[0];
	int a13=prs[1];
	int a23=prs[ind];
	if ((a12+a13+a23)%2 != 0) return false;
	res[0]=(a12+a13-a23)/2;
	res[1]=(a12+a23-a13)/2;
	res[2]=(a13+a23-a12)/2;
	if (res[0]<=0) return false;
	map<int,int> s;
	for (int i=2;i<nn;i++) {
		if (i==ind) continue;
		s[prs[i]]++;
	}
	for (int i=3;i<n;i++) {
		int p = s.begin()->F;
		res[i] = p-res[0];
		if (res[i]<res[i-1]) return false;
		s[p]--;
		if (s[p]==0) s.erase(p);
		for (int j=1;j<i;j++) {
			if (!s.count(res[j]+res[i])) return false;
			s[res[j]+res[i]]--;
			if (s[res[j]+res[i]]==0) s.erase(res[j]+res[i]);
		}
	}
	return true;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>n;
	nn = (n*(n-1))/2;
	for (int i=0;i<nn;i++) cin>>prs[i];
	sort(prs,prs+nn);
	for (int i=2;i<nn;i++) {
		if (solve(i)) {
			for (int j=0;j<n;j++) cout<<res[j]<<" ";
			cout<<"\n";
			return 0;
		}	
	}
	return 1;
}

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 ...` view save

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 ...` view save

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...` view save

Test 14

Group: 3

Verdict: ACCEPTED

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

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

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

Test 15

Group: 3

Verdict: ACCEPTED

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

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

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

Putka Open 2020 – 2/5

Summat

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 (Gomhog)