Task: | Omenat |
Sender: | |
Submission time: | 2015-12-20 15:36:02 +0200 |
Language: | C++ |
Status: | READY |
Result: | 0 |
group | verdict | score |
---|---|---|
#1 | TIME LIMIT EXCEEDED | 38.7 |
test | verdict | time | score | |
---|---|---|---|---|
#1 | ACCEPTED | 0.43 s | 3.1 | details |
#2 | ACCEPTED | 0.18 s | 4.8 | details |
#3 | ACCEPTED | 0.42 s | 3.1 | details |
#4 | ACCEPTED | 0.64 s | 3.6 | details |
#5 | ACCEPTED | 0.22 s | 5.4 | details |
#6 | TIME LIMIT EXCEEDED | -- | 0 | details |
#7 | ACCEPTED | 0.21 s | 4.8 | details |
#8 | ACCEPTED | 0.50 s | 4 | details |
#9 | ACCEPTED | 0.50 s | 4.4 | details |
#10 | ACCEPTED | 0.61 s | 5.5 | details |
Code
#include <bits/stdc++.h>#define F first#define S secondusing namespace std;typedef long long ll;typedef long double ld;ll p[111];int n;const ll inf=1e18;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 ps[111];int ph[20][55];int vv[111];ll ss(int t){if (ps[t]==0) return 0;ll bv=inf;ll bvv=inf;int bb=0;for (int i=0;i<(1<<ps[t]);i++){ll v1=0;ll v2=0;for (int j=0;j<ps[t];j++){if (i&(1<<j)){v1+=p[ph[t][j]];}else{v2+=p[ph[t][j]];}}if (llabs(v1-v2)<bv){bv=llabs(v1-v2);bvv=v1-v2;bb=i;}}for (int j=0;j<ps[t];j++){if (bb&(1<<j)){vv[ph[t][j]]=1;}else{vv[ph[t][j]]=2;}}return bvv;}vector<int> solve2(int pk){for (int i=0;i<pk;i++){ps[i]=0;}for (int i=0;i<n;i++){int tp=rand()%pk;ph[tp][ps[tp]++]=i;}vector<ll> lol;for (int i=0;i<pk;i++){lol.push_back(ss(i));}int bb=0;ll bv=inf;for (int i=0;i<(1<<pk);i++){ll v=0;for (int j=0;j<pk;j++){if (i&(1<<j)){v-=lol[j];}else{v+=lol[j];}}if (llabs(v)<bv){bv=llabs(v);bb=i;}}vector<int> r(n);for (int j=0;j<pk;j++){if (bb&(1<<j)){for (int t=0;t<ps[j];t++){vv[ph[j][t]]=3-vv[ph[j][t]];}}}for (int i=0;i<n;i++){r[i]=vv[i];}return r;}int main(){srand(time(0));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 tr=0;tr<100;tr++){vector<int> tv=solve2(10);if (eval(tv)<val){v=tv;}}for (int i=0;i<n;i++){cout<<v[i]<<" ";}}
Test details
Test 1
Verdict: ACCEPTED
input |
---|
95 779724552 231968220 985023789 ... |
correct output |
---|
(empty) |
user output |
---|
2 2 2 2 2 1 1 1 1 1 2 2 2 2 2 ... |
Test 2
Verdict: ACCEPTED
input |
---|
85 229722261 51722691 862338862 8... |
correct output |
---|
(empty) |
user output |
---|
2 2 1 1 1 1 1 2 2 1 1 1 2 1 2 ... |
Test 3
Verdict: ACCEPTED
input |
---|
97 398995377 989444445 634573915 ... |
correct output |
---|
(empty) |
user output |
---|
1 1 2 2 2 2 1 1 1 1 2 2 1 1 1 ... |
Test 4
Verdict: ACCEPTED
input |
---|
99 843687873 164010938 51269970 4... |
correct output |
---|
(empty) |
user output |
---|
2 2 1 1 2 2 2 2 1 1 2 1 2 1 2 ... |
Test 5
Verdict: ACCEPTED
input |
---|
90 864611617 418460939 773297829 ... |
correct output |
---|
(empty) |
user output |
---|
1 2 1 1 2 2 1 1 1 1 2 1 2 1 2 ... |
Test 6
Verdict: TIME LIMIT EXCEEDED
input |
---|
92 289890246 25801423 763027596 7... |
correct output |
---|
(empty) |
user output |
---|
(empty) |
Test 7
Verdict: ACCEPTED
input |
---|
89 879039800 50522278 850785072 4... |
correct output |
---|
(empty) |
user output |
---|
1 1 1 2 2 1 1 1 2 2 2 2 1 1 2 ... |
Test 8
Verdict: ACCEPTED
input |
---|
96 27192469 222283781 681532515 1... |
correct output |
---|
(empty) |
user output |
---|
1 2 1 2 1 1 2 2 1 1 2 2 1 1 2 ... |
Test 9
Verdict: ACCEPTED
input |
---|
100 186459081 254674429 394007236 ... |
correct output |
---|
(empty) |
user output |
---|
2 1 1 1 2 1 1 1 1 1 2 2 2 2 2 ... |
Test 10
Verdict: ACCEPTED
input |
---|
98 612168861 979831717 671087051 ... |
correct output |
---|
(empty) |
user output |
---|
1 1 2 2 2 2 2 2 1 2 2 1 1 2 2 ... |