CSES - Putka Open 2015 – finaali - Results
Submission details
Task:Omenat
Sender:
Submission time:2015-12-20 15:05:31 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
Test results
testverdicttimescore
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#2--0details
#3--0details
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#10--0details

Code

#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef long double ld;

ll p[111];
int n;

ll eval(vector<int>&a){
	ll v1=0;
	ll v2=0;
	for (int i=0;i<n;i++){
		if (a[i]==1){
			v1+=p[i];
		}
		else{
			v2+=p[i];
		}
	}
	return llabs(v1-v2);
}

vector<int> solve1(){
	vector<pair<ll, int> > pp(n);
	vector<int> r(n);
	for (int i=0;i<n;i++){
		pp[i]={p[i], i};
	}
	sort(pp.rbegin(), pp.rend());
	ll p1=0;
	ll p2=0;
	for (int i=0;i<n;i++){
		if (p1<p2){
			p1+=pp[i].F;
			r[pp[i].S]=1;
		}
		else{
			p2+=pp[i].F;
			r[pp[i].S]=2;
		}
	}
	return r;
}

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>n;
	vector<pair<ll, int> > pp(n);
	for (int i=0;i<n;i++){
		cin>>p[i];
	}
	vector<int> v=solve1();
	ll val=eval(v);
	for (int t=0;t<1000000;t++){
		vector<int> lol(n);
		for (int i=0;i<n;i++){
			lol[i]=rand()%2+1;
		}
		if (eval(lol)<val){
			v=lol;
		}
	}
	for (int i=0;i<n;i++){
		cout<<v[i]<<" ";
	}
}

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)