CSES - Putka Open 2020 – 2/5

Submission details
Task:	Summat
Sender:	kluopaja
Submission time:	2020-09-26 20:19:08 +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	0.04 s	3	details
#14	ACCEPTED	0.01 s	3	details
#15	ACCEPTED	0.01 s	3	details

Compiler report

input/code.cpp: In function 'bool solve(std::vector<int>, int, std::vector<int>&)':
input/code.cpp:13:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i+1 < ans.size(); ++i) {
                    ~~~~^~~~~~~~~~~~
input/code.cpp: In function 'int main()':
input/code.cpp:36:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 2; i < b.size(); ++i) {
                  ~~^~~~~~~~~~
input/code.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < result.size(); ++i) {
                  ~~^~~~~~~~~~~~~~~

Code

#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
using namespace std;
bool solve(vector<int> b, int a1, vector<int>& out) {
  multiset<int> b_set(b.begin(), b.end());
  vector<int> ans;
  ans.push_back(a1);
  while(b_set.size()) {
    int b_smallest = *b_set.begin();
    ans.push_back(b_smallest - ans[0]);
    for(int i = 0; i+1 < ans.size(); ++i) {
      int x = ans[i] + ans.back();
      auto x_it = b_set.find(x);
      if(x_it == b_set.end()) {
        return false;
      }
      b_set.erase(x_it);
    }
  }
  out = ans;
  return true;
}
int main() {
  int n;
  cin>>n;
  vector<int> b;
  for(int i = 0; i < n*(n-1)/2; ++i) {
    int x;
    cin>>x;
    b.push_back(x);
  }
  sort(b.begin(), b.end());
  vector<int> result;
  for(int i = 2; i < b.size(); ++i) {
    int a1 = (b[0] + b[1] - b[i])/2;
    if(solve(b, a1, result)) {
      break;
    }
  }
  for(int i = 0; i < result.size(); ++i) {
    cout<<result[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: 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

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 (kluopaja)