Submission #889819

#	Time	Username	Problem	Language	Result	Execution time	Memory
889819		vjudge1	Council (JOI23_council)	C++17	22 / 100	4067 ms	29280 KiB

council

#include <bits/stdc++.h>
using namespace std;/*
<<<<It's never too late for a new beginning in your life>>>>
Today is hard
  tomorrow will worse
  but the day after tomorrow will be the sunshine..
 
HARD WORK BEATS TALENT WHEN TALENT DOESN'T WORK HARD............
Never give up  */
//The most CHALISHKANCHIK
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define int long long
//~ typedef vector<int> vi;
//~ typedef pair<int,int> pii;
typedef vector<pair<int,int> > vii;
const int N = 2e5+50, inf = 1e18, mod = 1e9+7;
void solve(){
	int n, m, k;
	cin >> n >> m;
	k = 1000;
	int a[n][m];
	int sum[m]{}, rez[m]{};
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			cin >> a[i][j];
			rez[j]+=a[i][j];
		}
	}
	//~ for(auto i:rez)cout << i << ' ';
	//~ cout << '\n';
	int ans, cnt;
	if(n <= 9000){
		for(int i = 0; i < n; i++){
			ans = 0;
			for(int j = 0; j < n; j++){
				if(j == i)continue;
				cnt = 0;
				for(int k = 0; k < m; k++){
					sum[k] = rez[k];
					sum[k] -= a[i][k];
					sum[k] -= a[j][k];
					if(sum[k] >= n/2)cnt++;
				}
				//~ cout << '\n';
				ans = max(cnt, ans);
			}
			cout << ans << '\n';
		}
	}
	else{
		int ps[k]{};
		vii v(n);
		for(int i = 0; i < n; i++){
			for(int j = 0; j < m; j++){
				v[i].ff+=a[i][j];
			}
			v[i].ss = i;
		}
		sort(all(v));
		for(int i = 0; i < k; i++)ps[i] = v[i].ss;
		for(int i = 0; i < n; i++){
			ans = 0;
			for(int j = 0; j < k; j++){
				if(ps[j] == i)continue;
				int res = 0;
				for(int h = 0; h < m; h++){
					res += ((rez[h] - (a[i][h] + a[ps[j]][h])) >= n/2);
				}
				ans = max(ans, res);
			}
			cout << ans << '\n';
		}
	}
}
main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	int t = 1;
	//~ cin >> t;
	while(t--){
		solve();
	}
}

Compilation message (stderr)

council.cpp:79:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   79 | main(){
      | ^~~~

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