CSES - Putka Open 2020 – 2/5

Submission details
Task:	Summat
Sender:	Laakeri
Submission time:	2020-09-26 11:08:23 +0300
Language:	C++ (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>
#define F first
#define S second
using namespace std;
typedef long long ll;

ll a[10101];

int n,m;

bool go(int i, map<ll, int> cnts) {
	ll a0=a[0]+a[1]-a[i];
	if (a0%2==1 || a0<=1) return false;
	a0/=2ll;
	vector<ll> ans;
	ans.push_back(a0);
	for (int j=0;j<m;j++){
		ll x=a[j];
		while (cnts[x]>0){
			ll ai=x-a0;
			if (ai<=0) return false;
			if ((int)ans.size()>=n) return false;
			for (ll y : ans) {
				if (cnts[y+ai]<=0) return false;
				cnts[y+ai]--;
			}
			ans.push_back(ai);
		}
	}
	for (ll x : ans) {
		cout<<x<<" ";
	}
	cout<<endl;
	return true;
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>n;
	m=n*(n-1)/2;
	map<ll, int> cnts;
	for (int i=0;i<m;i++){
		cin>>a[i];
		cnts[a[i]]++;
	}
	sort(a, a+m);
	for (int i=2;i<n;i++){
		if (go(i, cnts)) {
			return 0;
		}
	}
	assert(0);
}

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: ACCEPTED

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

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

user output
`3939271 13932561 37679377 4989...` Truncated

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...` Truncated

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 (Laakeri)