CSES - Putka Open 2020 – 2/5

Submission details
Task:	Summat
Sender:	tykkipeli
Submission time:	2020-09-26 02:11:20 +0300
Language:	C++ (C++11)
Status:	READY
Result:	12

Feedback
group	verdict	score
#1	ACCEPTED	12
#2	WRONG ANSWER	0
#3	WRONG ANSWER	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	WRONG ANSWER	0.01 s	2, 3	details
#10	WRONG ANSWER	0.01 s	2, 3	details
#11	ACCEPTED	0.01 s	3	details
#12	ACCEPTED	0.01 s	3	details
#13	ACCEPTED	0.10 s	3	details
#14	ACCEPTED	0.01 s	3	details
#15	ACCEPTED	0.02 s	3	details

Code

#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;

int b[10101];
int ans[1010];
map<int,int> m;

bool check(int ind, int n) {
    int N = n*(n-1)/2;
    ans[2] = (b[ind] + b[1] - b[0])/2;
    ans[0] = b[1] - ans[2];
    ans[1] = ans[2] - (b[1] - b[0]);
    for (int i = 3; i <= ind; i++) {
        ans[i] = b[i-1]-ans[0];
    }
    m.clear();
    for (int i = 0; i <= ind; i++) {
        for (int j = i+1; j <= ind; j++) {
            m[ans[i]+ans[j]]++;
        }
    }
    for (int i = 0; i <= ind; i++) m[b[i]]--;
    int mones = ind+1;
    for (int i = ind+1; i < N; i++) {
        if (m[b[i]] > 0) {
            m[b[i]]--;
        } else {
            if (mones == n) return false;
            ans[mones] = b[i]-ans[0];
            for (int j = 0; j < mones; j++) m[ans[j]+ans[mones]]++;
            mones++;
        }
    }
    return true;
}
 
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    
    int n;
    cin >> n;
    int N = n*(n-1)/2;
    for (int i = 0; i < N; i++) cin >> b[i];
    sort(b,b+N);
    for (int i = 2; i < 100; i++) {
        if (check(i,n)) break;
    }
    for (int i = 0; i < n; i++) cout << ans[i] << " ";
    cout << "\n";
}

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: WRONG ANSWER

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
`-5 30 35 36 37 41 44 45 46 50 ...` view save

Test 10

Group: 2, 3

Verdict: WRONG ANSWER

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
`-10 19 20 24 27 27 30 31 32 34...` 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 (tykkipeli)