oj.uz

Submission #648519

# Submission time Handle Problem Language Result Execution time Memory
648519 2022-10-06T19:02:40 Z inksamurai Izbori (COCI17_izbori) C++17
78 / 80
 17 ms 340 KB 
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3Rz7lEu ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

const int mod=1000000007;

signed main(){
_3Rz7lEu;
	int n,m,id;
	cin>>n>>m>>id;
	id-=1;
	vec(vi) a(n,vi(m));
	rep(i,n){
		rep(j,m){
			cin>>a[i][j];
			a[i][j]--;
		}
	}
	int p0=-1,p1=m;
	rep(msk,1<<m){
		if(msk>>id&1) continue;
		vi cnt(m);
		rep(i,n){
			rep(j,m){
				int v=a[i][j];
				if(msk>>v&1) continue;
				cnt[v]+=1;
				break;
			}
		}
		int ma=0;
		int pvt=-1;
		rep(v,m){
			if(cnt[v]>ma)ma=cnt[v],pvt=v;
		}
		if(msk==0)p0=pvt+1;
		else if(pvt==id){
			p1=min(p1,__builtin_popcount(msk));
		}
	}
	cout<<p0<<"\n";
	cout<<p1<<"\n";
}

Subtask #1
78.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 3 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 4 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 316 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Partially correct 2 ms 212 KB Partially correct
12 Correct 9 ms 212 KB Output is correct
13 Correct 16 ms 212 KB Output is correct
14 Correct 8 ms 332 KB Output is correct
15 Correct 3 ms 212 KB Output is correct
16 Correct 17 ms 332 KB Output is correct
17 Correct 8 ms 332 KB Output is correct
18 Correct 15 ms 212 KB Output is correct
19 Correct 17 ms 336 KB Output is correct
20 Correct 17 ms 212 KB Output is correct