Submission #1298196

#TimeUsernameProblemLanguageResultExecution timeMemory
1298196thieunguyenhuyCouncil (JOI23_council)C++20
16 / 100
4094 ms1612 KiB
#include <bits/stdc++.h> using namespace std; #define POPCOUNT(n) (__builtin_popcountll((n))) #define CLZ(n) (__builtin_clzll((n))) #define CTZ(n) (__builtin_ctzll((n))) #define LOG(n) (63 - __builtin_clzll((n))) #define BIT(n, i) (((n) >> (i)) & 1ll) #define MASK(i) (1ll << (i)) #define FLIP(n, i) ((n) ^ (1ll << (i))) #define ON(n, i) ((n) | MASK(i)) #define OFF(n, i) ((n) & ~MASK(i)) #define Int __int128 #define fi first #define se second typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<int, int> pii; typedef pair<long long, long long> pll; typedef pair<long long, int> pli; typedef pair<int, long long> pil; typedef vector<pair<int, int>> vii; typedef vector<pair<long long, long long>> vll; typedef vector<pair<long long, int>> vli; typedef vector<pair<int, long long>> vil; template <class T1, class T2> bool maximize(T1 &x, T2 y) { if (x < y) { x = y; return true; } return false; } template <class T1, class T2> bool minimize(T1 &x, T2 y) { if (x > y) { x = y; return true; } return false; } template <class T> void remove_duplicate(vector<T> &ve) { sort (ve.begin(), ve.end()); ve.resize(unique(ve.begin(), ve.end()) - ve.begin()); } mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); long long random(long long l, long long r) { return uniform_int_distribution<long long>(l, r)(rng); } unsigned long long random(unsigned long long l, unsigned long long r) { return uniform_int_distribution<unsigned long long>(l, r)(rng); } template <class T> T random(T r) { return rng() % r; } const int N = 3e5 + 5, M = 20 + 5; const int MOD = 1e9 + 7; const int inf = 1e9; const long long INF = 1e18; int n, m; int a[N], total[M]; signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cin >> n >> m; for (int i = 1; i <= n; ++i) for (int j = 0; j < m; ++j) { int x; cin >> x; if (x) a[i] |= MASK(j); total[j] += x; } for (int chair = 1; chair <= n; ++chair) { int danger = 0, numApprove = 0; for (int cand = 0; cand < m; ++cand) { int numVotes = total[cand] - BIT(a[chair], cand); // cerr << numVotes << ' '; if (numVotes >= n / 2) { ++numApprove; if (numVotes - 1 < n / 2) danger |= MASK(cand); } } // cerr << '\n'; int bestD = 0, mi = inf; for (int d = 1; d <= n; ++d) if (d != chair) { if (minimize(mi, POPCOUNT(danger & a[d]))) bestD = d; } // cerr << "numApprove = " << numApprove << ' ' << bestD << ' ' << danger << '\n'; cout << numApprove - POPCOUNT(danger & a[bestD]) << '\n'; } return 0; }
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