CSES - Datatähti 2017 alku - Results
 Task: Järjestys Sender: Alex Submission time: 2016-10-13 15:54:39 +0300 Language: C++ Status: READY Result: 0
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Test results
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#1--1details
#2--2details
#3--3details

### Compiler report

input/code.cpp: In function 'int etsi(long int, std::vector<std::pair<long int, long int> >, long int, int*)':
input/code.cpp:40:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if(k<v.size()-1&&v.at(k+1).first==x){
^

### Code

/*
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/

/*
* File:   main.cpp
* Author: alex
*
* Created on October 6, 2016, 9:19 PM
*/

#include <cstdlib>

using namespace std;

#include <iostream>
#include <stack>
#include <algorithm>
#include <vector>
/*
*
*/

int etsi (long x,vector< pair<long,long> > v, long o , int y[]){
long n=v.size();
long k=0;

for (long b = n/2; b >= 1; b /= 2) {
while(k+b<n&&v.at(k+b).first<x){
k+=b;
}
}

if(k<v.size()-1&&v.at(k+1).first==x){
k++;
}
while(o!=-1&&v.at(k)>=v.at(o)){
k--;
if(k<0){
return 0;
}
}
if(k<0){
return 0;
}

if(v.at(k).first>x){
return 0;
}

if(x-v.at(k).first*v.at(k).second<x) {
return 1;
}

for (int i = v.at(k).second; i > 0; i--) {
int pa= etsi(x-v.at(k).first*i,v,k,y);
if(pa==1){

return 1;

}else{

}
}

return 0;
}

int main(int argc, char** argv) {

long n;
cin >> n;
long l[n];
int y[100000000];
long a;
long j=0;
vector< pair<long,long> > v;

for (int i = 0; i < n; i++) {

cin >> a;
l[i]=a;

}

sort(l, l+n);
a=l[0];
long r=1;
long f;
for (int i = 1; i < n; i++) {
f=l[i];
if(f==a){
r++;
a=f;
}else{
pair <int,int> p=make_pair(a,r);
v.push_back(p);
j++;
a=f;
r=1;
}

}
pair <int,int> p=make_pair(a,r);
v.push_back(p);

int i=1;
while(etsi(i,v,-1,y)){
i++;
}

cout << i;

return 0;
}

### Test details

#### Test 1

Group: 1

Verdict:

input
10
9 3 4 7 6 5 10 2 8 1

correct output
32
10 10 9 10 9 8 7 9 4 2 1 4 5 2...

user output
(empty)

#### Test 2

Group: 2

Verdict:

input
1000
650 716 982 41 133 1000 876 92...

correct output
3984
207 207 206 207 128 127 126 12...

user output
(empty)

#### Test 3

Group: 3

Verdict:

input
100000
94703 47808 62366 31885 7091 8...

correct output
399956
98676 98676 98675 98676 62994 ...

user output
(empty)