CSES - Putka Open 2015 – finaali - Results
Submission details
Task:Omenat
Sender:
Submission time:2015-12-21 12:10:07 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
Test results
testverdicttimescore
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#2--0details
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#10--0details

Code

#include <iostream>
#include <vector>
#include <algorithm>
#include <stdlib.h>
#include <time.h>    
using namespace std;
int n;


vector<pair<int, int> > p;

bool srt(pair<int, int> a, pair<int, int> b){ return a.first>b.first;}


int jako[101];
int tulos[101];
long long paras;

const int G=1010101;
const int B=15;
int good[G];

int main(){
  srand (time(NULL));
  
  long long paras=100000000000000ll;
  cin >> n;
  long long s=0;
  for (int i=0; i<n; ++i){
    int x;
    cin >> x;
    s+=x;
    p.push_back(make_pair(x, i));
  }sort(p.begin(), p.end(), srt);
  
  for (int i=min(20, n-B); i>=0; --i){
    for (int j=0; j<G; ++j){
      if (good[j]==1){
        int nv=p[i].first+j;
        if (nv<G) good[nv]=2;
      }
    }
    for (int j=0; j<G; ++j){
      if (good[j]==2)good[j]=1;
    }
  }
  
  int b=min(n, B);
  int bt=1<<b;
  
  long long sa;
  long long sb;
  for (int i=0; i<bt; ++i){
    for (int dd=0; dd<50; ++dd){
      sa=0; sb=0;
      for (int j=0; j<n; ++j){
        if (j<b){
          if (i&(1<<j)){
            sa+=p[j].first;
            jako[j]=1;
          }else{
            sb+=p[j].first;
            jako[j]=2;
          }
        }else{
          long long cp1=s/2-sa;
          long long cp2=s/2-sb;
          long long p1=s/2-sa-p[j].first;
          long long p2=s/2-sb-p[j].first;
          bool j1=0;
          if (0<=p1 && p1<G && good[p1]){
            j1=1;
          }else if (0<=p2 && p2<G && good[p2]){
            j1=0;
          }else if (0<=cp1&& cp1<G && good[cp1]){
            j1=1;
          }else if (0<=cp2 && cp2<G && good[cp2]){
            j1=0;
          }else{
            if (cp1<0) j1=0;
            else if (cp2<0) j1=1;
            else{
              int v=rand()%(cp1+cp2);
              if (v<cp1) j1=1;
              else j1=0;
            }
          }
          if (j1){
            sa+=p[j].first;
            jako[j]=1;
          }else{
            sb+=p[j].first;
            jako[j]=2;
          }
        }
      }
      long long d=sa-sb;
      if (d<0) d=-d;
      if (d<paras){
        for (int j=0; j<n; ++j){
          tulos[p[j].second]=jako[j];
        }
        paras=d;
      }
    }
  }
  for (int i=0; i<n; ++i) cout << tulos[i] << "\n";
}

Test details

Test 1

Verdict:

input
95
779724552 231968220 985023789 ...

correct output
(empty)

user output
(empty)

Test 2

Verdict:

input
85
229722261 51722691 862338862 8...

correct output
(empty)

user output
(empty)

Test 3

Verdict:

input
97
398995377 989444445 634573915 ...

correct output
(empty)

user output
(empty)

Test 4

Verdict:

input
99
843687873 164010938 51269970 4...

correct output
(empty)

user output
(empty)

Test 5

Verdict:

input
90
864611617 418460939 773297829 ...

correct output
(empty)

user output
(empty)

Test 6

Verdict:

input
92
289890246 25801423 763027596 7...

correct output
(empty)

user output
(empty)

Test 7

Verdict:

input
89
879039800 50522278 850785072 4...

correct output
(empty)

user output
(empty)

Test 8

Verdict:

input
96
27192469 222283781 681532515 1...

correct output
(empty)

user output
(empty)

Test 9

Verdict:

input
100
186459081 254674429 394007236 ...

correct output
(empty)

user output
(empty)

Test 10

Verdict:

input
98
612168861 979831717 671087051 ...

correct output
(empty)

user output
(empty)