/**
____ ____ ____ ____ ____ ____
||l |||e |||i |||n |||a |||d ||
||__|||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|/__\|
**/
#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
typedef long long ll;
void speed()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
}
const int maxn = 3e5 + 10, maxm = 21;
int n, m, imp[maxm], cnt[maxm];
bool a[maxn][maxm];
int dp[(1 << 11)][2];
void solve()
{
cin >> n >> m;
for (int i = 1; i <= n; i ++)
for (int j = 0; j < m; j ++)
cin >> a[i][j], cnt[j] += a[i][j];
if (m <= 10)
{
for (int mask = 0; mask < (1 << m); mask ++)
dp[mask][0] = dp[mask][1] = -1;
for (int i = 1; i <= n; i ++)
{
int can_mask = 0;
for (int j = m - 1; j >= 0; j --)
can_mask = can_mask * 2 + a[i][j];
for (int mask = 0; mask < (1 << m); mask ++)
{
int sub = (mask & can_mask);
int val = __builtin_popcount(sub);
///cout << i << " ---- " << mask << " " << val << endl;
if (val > dp[mask][0])
{
dp[mask][1] = dp[mask][0];
///cout << "trans" << " " << val << endl;
dp[mask][0] = val;
///cout << "here " << mask << " " << dp[mask][0] << " " << val << endl;
}
else if (val > dp[mask][1])
{
dp[mask][1] = val;
}
}
}
for (int i = 1; i <= n; i ++)
{
int base = 0;
for (int j = 0; j < m; j ++)
{
int cur = cnt[j] - a[i][j];
if (cur >= n / 2)
{
if ((cur - 1) < n / 2)
imp[j] = 1;
else
imp[j] = 0, base ++;
}
else
{
imp[j] = 0;
}
}
int mask = 0;
for (int bit = m - 1; bit >= 0; bit --)
mask = mask * 2 + imp[bit];
int can_mask = 0;
for (int j = m - 1; j >= 0; j --)
can_mask = can_mask * 2 + a[i][j];
int val = __builtin_popcount((can_mask & mask));
//cout << i << " : " << val << " " << can_mask << " :: " << mask << endl;
//cout << dp[mask][0] << " " << dp[mask][1] << endl;
int best = dp[mask][0];
if (val == best)
best = dp[mask][1];
cout << base + best << endl;
}
}
else
{
for (int i = 1; i <= n; i ++)
{
int base = 0;
for (int j = 0; j < m; j ++)
{
int cur = cnt[j] - a[i][j];
if (cur >= n / 2)
{
if ((cur - 1) < n / 2)
imp[j] = 1;
else
imp[j] = 0, base ++;
}
else
{
imp[j] = 0;
}
}
/**cout << "----" << endl;
cout << i << endl;
for (int bit = 0; bit < m; bit ++)
cout << imp[bit] << " ";
cout << endl;*/
int best = -m;
for (int p = 1; p <= n; p ++)
{
if (p == i)
continue;
int sum = 0;
for (int bit = 0; bit < m; bit ++)
{
if (imp[bit] == 1)
{
if (a[p][bit] == 0)
sum ++;
}
}
best = max(best, sum);
}
cout << base + best << endl;
}
}
}
int main()
{
speed();
solve();
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |