Submission #889630

#	Time	Username	Problem	Language	Result	Execution time	Memory
889630		vjudge1	Council (JOI23_council)	C++17	16 / 100	4074 ms	7428 KiB

council

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("Ofast,unroll-loops")
#define pii pair<int,int>
using namespace __gnu_pbds;
using namespace std;
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define int long long
#define f first
#define s second
#define pii pair<int,int>
template<class T>bool umax(T &a,T b){if(a<b){a=b;return true;}return false;}
template<class T>bool umin(T &a,T b){if(b<a){a=b;return true;}return false;}
typedef tree<int, null_type, less_equal<int>, rb_tree_tag,
	tree_order_statistics_node_update> ordered_set;
const int mod= 1e9 +7;
const int N=1e5*4;

int binpow (int a, int n) {
	if (n == 0)
		return 1;
	if (n % 2 == 1)
		return binpow (a, n-1) * a;
	else {
		int b = binpow (a, n/2);
		return b * b;
	}
}

void solve(){
	int n,m,k;
	
	cin>>n>>m;
	int arr[n+1][m+1];
	vector<int>vis(m+1);

	for(int i = 1;i<=n;i++){
		for(int j = 1;j<=m;j++){
			cin>>arr[i][j];
			if(arr[i][j])vis[j]+=1;
		}
	}
	
	for(int i = 1;i<=n;i++){
		int mx = 0;
		vector<int>vis1(m+1);
		for(int j = 1;j<=m;j++){
			if(arr[i][j])
				vis1[j]++;
		}
		
		for(int j = 1;j<=n;j++){
			if(j==i)continue;
			vector<int>vis2(m+1);
			int cnt = 0 ;
			for(int k = 1;k<=m;k++){
				if(arr[j][k])vis2[k]++;
			}
			for(int k = 1;k<=m;k++){
				if((vis[k]-vis1[k]-vis2[k])>((n-2)/2))cnt++;
				//cout<<vis[k]-vis1[k]-vis2[k]<<" ";
			}
			//cout<<"\n";
			umax(mx,cnt);
		}
		cout<<mx<<"\n";
	}









}

 signed main()
{
//	freopen("seq.in", "r", stdin);
//  freopen("seq.out", "w", stdout);
	ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL);
	int cnt=0;
	int tt=1;//cin>>tt;
	while(tt--)solve();

}

Compilation message (stderr)

council.cpp: In function 'void solve()':
council.cpp:35:10: warning: unused variable 'k' [-Wunused-variable]
   35 |  int n,m,k;
      |          ^
council.cpp: In function 'int main()':
council.cpp:88:6: warning: unused variable 'cnt' [-Wunused-variable]
   88 |  int cnt=0;
      |      ^~~

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 0 / 6
• Subtask 4: 0 / 19
• Subtask 5: 0 / 15
• Subtask 6: 0 / 22
• Subtask 7: 0 / 22