#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
#define ll long long
#define pb push_back
#define sz(x) (int)(x).size()
#define mp make_pair
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define D(x) cerr << #x << " is " << (x) << "\n";
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>; ///find_by_order(),order_of_key()
template<class T1, class T2> ostream& operator<<(ostream& os, const pair<T1,T2>& a) { os << '{' << a.f << ", " << a.s << '}'; return os; }
template<class T> ostream& operator<<(ostream& os, const vector<T>& a){os << '{';for(int i=0;i<sz(a);i++){if(i>0&&i<sz(a))os << ", ";os << a[i];}os<<'}';return os;}
template<class T> ostream& operator<<(ostream& os, const set<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T> ostream& operator<<(ostream& os, const multiset<T>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
template<class T1,class T2> ostream& operator<<(ostream& os, const map<T1,T2>& a) {os << '{';int i=0;for(auto p:a){if(i>0&&i<sz(a))os << ", ";os << p;i++;}os << '}';return os;}
const int N=501;
int n,k,c;
gp_hash_table<ll,bool> visited;
struct o;
set<o> ok;
vector<vector<int> > values(N,vector<int>(6));
struct o{
set<int> s;
int score;
ll get_hash()
{
ll h=0;
for(auto p:s)
h=h*N+p;
return h;
}
void calcScore()
{
vector<int> best(k);
for(auto p:s)
for(int i=0;i<k;i++)
best[i]=max(best[i],values[p][i]);
score=0;
for(auto p:best)
score+=p;
}
void add_values()
{
vector<int> imam(n);
for(auto p:s)
imam[p]=1;
set<int> novi=s;
for(int i=0;i<k;i++)
{
int b=*s.begin();
s.erase(s.begin());
novi.erase(b);
for(int j=0;j<n;j++)
if(!imam[j])
{
novi.insert(j);
o a;
a.s=novi;
novi.erase(j);
if(visited[a.get_hash()])
continue;
visited[a.get_hash()]=true;
a.calcScore();
assert(a.score<=score);
ok.insert(a);
}
novi.insert(b);
}
}
};
bool operator<(o a,o b)
{
return a.score>b.score;
}
ostream& operator<<(ostream& out,o a){out << "[" << a.score << ":" << a.s << "]";return out;}
int main()
{
scanf("%i %i %i",&n,&k,&c);
for(int i=0;i<n;i++)
for(int j=0;j<k;j++)
scanf("%i",&values[i][j]);
o start;
for(int i=0;i<k;i++)
{
int maxx=-1,gde;
for(int j=0;j<n;j++)
if(maxx<values[j][i])
maxx=values[j][i],gde=j;
start.s.insert(gde);
}
for(int j=0;j<n&&(int)start.s.size()<k;j++)
start.s.insert(j);
visited[start.get_hash()]=true;
start.calcScore();
ok.insert(start);
for(int i=1;i<c;i++)
{
o tr=(*ok.begin());
ok.erase(ok.begin());
tr.add_values();
}
printf("%i\n",(*ok.begin()).score);
return 0;
}
Compilation message
olympiads.cpp: In function 'int main()':
olympiads.cpp:89:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%i %i %i",&n,&k,&c);
~~~~~^~~~~~~~~~~~~~~~~~~~~
olympiads.cpp:92:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%i",&values[i][j]);
~~~~~^~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
630 ms |
7976 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1372 ms |
24912 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2064 ms |
74308 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
630 ms |
7976 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
