제출 #794971

#제출 시각아이디문제언어결과실행 시간메모리
794971vjudge1Council (JOI23_council)C++14
22 / 100
4029 ms4260 KiB
#include<bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") using namespace std ; const int N = 3e5 ; int n, m, a[N + 1], kol[20], cnt[(1 << 20)] ; signed main() { ios_base::sync_with_stdio( 0 ) ; cin.tie( 0 ) ; cout.tie( 0 ) ; cin >> n >> m ; for(int i = 1 ; i <= n ; i++) { for(int j = 0 ; j < m ; j++) { bool c ; cin >> c ; if(c) { kol[j]++ ; a[i] ^= (1 << j) ; } } cnt[a[i]]++ ; } for(int i = 1 ; i <= n ; i++) { int ans = 0 ; for(int j = 0 ; j < m ; j++) if((1 << j) & a[i]) kol[j]-- ; cnt[a[i]]-- ; for(int j = 0 ; j < (1 << m) ; j++) { if(!cnt[j]) continue ; int now = 0 ; for(int q = 0 ; q < m ; q++) if(((1 << q) & j)) { if((n - 2) / 2 < kol[q] - 1) now++ ; } else { if((n - 2) / 2 < kol[q]) now++ ; } ans = max(ans, now) ; } cnt[a[i]]++ ; for(int j = 0 ; j < m ; j++) if((1 << j) & a[i]) kol[j]++ ; cout << ans << '\n' ; } return 0 ; }
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