Submission #501055

#	Time	Username	Problem	Language	Result	Execution time	Memory
501055		Koosha_mv	Olympiads (BOI19_olympiads)	C++14	100 / 100	585 ms	43264 KiB

olympiads

#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<(x.F)<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
#define int ll

const int N=505,K=6;

int n,k,C,a[N][K],mark[N],res[N*N*4];
pair<int,int> Max[K];
vector<pair<int,int> > mv;
vector<vector<int> > v,newv;

void reset(){
	f(i,0,k){
		Max[i]={-1,-1};
	}
}
void op(int x){
	f(i,0,k){
		maxm(Max[i],mp(a[x][i],x));
	}
}
int Sum(){
	int res=0;
	f(i,0,k){
		res+=Max[i].F;
	}
	return res;
}
int Count(vector<int> &v){
	int ans=0;
	f(i,0,v.size()) if(++mark[v[i]]==1) ans++;
	f(i,0,v.size()) mark[v[i]]--;
	return ans;
}
void do_it(vector<int> v,int x){
	vector<pair<int,int> > e;
	reset();
	for(auto x : v){
		op(x);
	}
	f(i,0,n){
		int check=1;
		f(j,0,x){
			if(mp(a[i][j],i)>Max[j]){
				check=0;
			}
		}
		if(check==1){
			e.pb(mp(a[i][x],i));
		}
	}
	sort(all(e));
	f(i,0,e.size()){
		op(e[i].S);
		if(e[i]>=Max[x]){
			vector<int> vec=v;
			vec.pb(e[i].S);
			if(Count(vec)+i>=k){
				mv.pb(mp(Sum(),newv.size()));
				newv.pb(vec);
			}
		}
	}
}
int calc(vector<int> v){
	int cnt=0,res=1,need=k-Count(v);
	reset();
	f(i,0,v.size()){
		op(v[i]);
	}
	cout<<endl;
	f(i,0,n){
		int check=1;
		f(j,0,k){
			if(mp(a[i][j],i)>=Max[j]){
				check=0;
			}
		}
		cnt+=check;
	}
	f(i,1,need+1){
		res=res*(cnt-i+1);
		res/=i;
	}
	return res;
}

main(){
	cin>>n>>k>>C;
	f(i,0,n){
		f(j,0,k){
			cin>>a[i][j];
		}
	}
	vector<int > temp;
	v.pb(temp);
	f(i,0,k){
		mv.clear();
		newv.clear();
		for(auto x : v){
			do_it(x,i);
		}
		v.clear();
		sort(all(mv),greater<pair<int,int> >());
		int sz=min(C,(ll) mv.size());
		f(j,0,sz){
			if(v.size()==j) v.pb(temp);
			v[j]=newv[mv[j].S];
		}
	}
	f(i,0,v.size()){
		C-=calc(v[i]);
		if(C<=0){
			cout<<Sum();
			exit(0);
		}
	}
}

Compilation message (stderr)

olympiads.cpp: In function 'long long int Count(std::vector<long long int>&)':
olympiads.cpp:8:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   50 |  f(i,0,v.size()) if(++mark[v[i]]==1) ans++;
      |    ~~~~~~~~~~~~                
olympiads.cpp:50:2: note: in expansion of macro 'f'
   50 |  f(i,0,v.size()) if(++mark[v[i]]==1) ans++;
      |  ^
olympiads.cpp:8:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   51 |  f(i,0,v.size()) mark[v[i]]--;
      |    ~~~~~~~~~~~~                
olympiads.cpp:51:2: note: in expansion of macro 'f'
   51 |  f(i,0,v.size()) mark[v[i]]--;
      |  ^
olympiads.cpp: In function 'void do_it(std::vector<long long int>, long long int)':
olympiads.cpp:8:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   72 |  f(i,0,e.size()){
      |    ~~~~~~~~~~~~                
olympiads.cpp:72:2: note: in expansion of macro 'f'
   72 |  f(i,0,e.size()){
      |  ^
olympiads.cpp: In function 'long long int calc(std::vector<long long int>)':
olympiads.cpp:8:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   87 |  f(i,0,v.size()){
      |    ~~~~~~~~~~~~                
olympiads.cpp:87:2: note: in expansion of macro 'f'
   87 |  f(i,0,v.size()){
      |  ^
olympiads.cpp: At global scope:
olympiads.cpp:107:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  107 | main(){
      | ^~~~
olympiads.cpp: In function 'int main()':
olympiads.cpp:126:15: warning: comparison of integer expressions of different signedness: 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
  126 |    if(v.size()==j) v.pb(temp);
      |       ~~~~~~~~^~~
olympiads.cpp:8:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
  130 |  f(i,0,v.size()){
      |    ~~~~~~~~~~~~                
olympiads.cpp:130:2: note: in expansion of macro 'f'
  130 |  f(i,0,v.size()){
      |  ^

• Subtask 1: 13 / 13
• Subtask 2: 31 / 31
• Subtask 3: 24 / 24
• Subtask 4: 32 / 32