#include <bits/stdc++.h>
//#define int long long
using namespace std;
const int M = (1 << 20) + 42;
int n, m, mask[M], occ[M], maxi[M][2];
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> n >> m;
for(int i = 0; i < n; i++)
mask[i] = (1 << m) - 1;
for(int i = 0; i < m; i++)
occ[i] = 0;
for(int i = 0; i < n; i++)
for(int j = 0; j < m; j++) {
int a; cin >> a;
mask[i] -= a * (1 << j);
occ[j] += a;
}
for(int i = 0; i < (1 << m); i++) {
maxi[i][0] = M-2;
maxi[i][1] = M-1;
}
for(int i = 0; i < n; i++) {
if(maxi[mask[i]][0] >= M-2)
maxi[mask[i]][0] = i;
else
maxi[mask[i]][1] = i;
}
for(int i = (1 << m)-1; i >= 0; i--) {
for(int j = 0; j < m; j++) {
if((i & (1 << j)) == 0) {
if(maxi[i][0] >= M-2) {
maxi[i][0] = maxi[i + (1 << j)][0];
maxi[i][1] = maxi[i + (1 << j)][1];
} else if(maxi[i][1] >= M-2 && maxi[i + (1 << j)][0] != maxi[i][0]) {
maxi[i][1] = maxi[i + (1 << j)][0];
}
}
}
}
for(int i = 1; i < (1 << m); i++)
for(int j = 0; j < m; j++)
if(i & (1 << j)) {
int id = i ^ (1 << j);
for(int k = 0; k < 2; k++) {
int val = __builtin_popcount(i & mask[maxi[id][0]]);
if(maxi[id][k] != maxi[i][0] && maxi[id][k] != maxi[i][1]) {
if(val > __builtin_popcount(i & mask[maxi[i][0]])) {
maxi[i][1] = maxi[i][0];
maxi[i][0] = maxi[id][k];
} else if(val > __builtin_popcount(i & mask[maxi[i][1]])) {
maxi[i][1] = maxi[id][k];
}
}
}
}
for(int i = 0; i < n; i++) {
int bmask = 0, nb = 0;
for(int j = 0; j < m; j++) {
if((1 << j) & (mask[i] ^ (1 << j)))
occ[j]--;
if(occ[j] == n/2)
bmask += (1 << j);
if(occ[j] >= n/2)
nb++;
if((1 << j) & (mask[i] ^ (1 << j)))
occ[j]++;
}
int ans = 0;
for(int j = 0; j < n; j++)
if(j != i)
ans = max(ans, nb - __builtin_popcount(bmask ^ (bmask & mask[j])));
cout << ans << '\n';
/*
if(maxi[bmask][0] != i) {
cout << nb - __builtin_popcount(bmask ^ (bmask & mask[maxi[bmask][0]])) << '\n';
} else {
cout << nb - __builtin_popcount(bmask ^ (bmask & mask[maxi[bmask][1]])) << '\n';
}*/
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
191 ms |
8532 KB |
Output is correct |
| 6 |
Correct |
171 ms |
8532 KB |
Output is correct |
| 7 |
Correct |
240 ms |
8532 KB |
Output is correct |
| 8 |
Correct |
309 ms |
8532 KB |
Output is correct |
| 9 |
Correct |
320 ms |
8532 KB |
Output is correct |
| 10 |
Correct |
269 ms |
8532 KB |
Output is correct |
| 11 |
Correct |
328 ms |
8532 KB |
Output is correct |
| 12 |
Correct |
331 ms |
8532 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
0 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
324 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
328 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
0 ms |
340 KB |
Output is correct |
| 28 |
Correct |
0 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
328 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
0 ms |
328 KB |
Output is correct |
| 34 |
Correct |
1 ms |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
340 KB |
Output is correct |
| 38 |
Correct |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
1 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
328 KB |
Output is correct |
| 41 |
Correct |
3 ms |
468 KB |
Output is correct |
| 42 |
Correct |
4 ms |
468 KB |
Output is correct |
| 43 |
Correct |
4 ms |
468 KB |
Output is correct |
| 44 |
Correct |
4 ms |
456 KB |
Output is correct |
| 45 |
Correct |
4 ms |
456 KB |
Output is correct |
| 46 |
Correct |
22 ms |
1364 KB |
Output is correct |
| 47 |
Correct |
29 ms |
1364 KB |
Output is correct |
| 48 |
Correct |
34 ms |
1364 KB |
Output is correct |
| 49 |
Correct |
29 ms |
1364 KB |
Output is correct |
| 50 |
Correct |
33 ms |
1364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
191 ms |
8532 KB |
Output is correct |
| 6 |
Correct |
171 ms |
8532 KB |
Output is correct |
| 7 |
Correct |
240 ms |
8532 KB |
Output is correct |
| 8 |
Correct |
309 ms |
8532 KB |
Output is correct |
| 9 |
Correct |
320 ms |
8532 KB |
Output is correct |
| 10 |
Correct |
269 ms |
8532 KB |
Output is correct |
| 11 |
Correct |
328 ms |
8532 KB |
Output is correct |
| 12 |
Correct |
331 ms |
8532 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
0 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
324 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
328 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
0 ms |
340 KB |
Output is correct |
| 28 |
Correct |
0 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
328 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
0 ms |
328 KB |
Output is correct |
| 34 |
Correct |
1 ms |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
340 KB |
Output is correct |
| 38 |
Correct |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
1 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
328 KB |
Output is correct |
| 41 |
Correct |
3 ms |
468 KB |
Output is correct |
| 42 |
Correct |
4 ms |
468 KB |
Output is correct |
| 43 |
Correct |
4 ms |
468 KB |
Output is correct |
| 44 |
Correct |
4 ms |
456 KB |
Output is correct |
| 45 |
Correct |
4 ms |
456 KB |
Output is correct |
| 46 |
Correct |
22 ms |
1364 KB |
Output is correct |
| 47 |
Correct |
29 ms |
1364 KB |
Output is correct |
| 48 |
Correct |
34 ms |
1364 KB |
Output is correct |
| 49 |
Correct |
29 ms |
1364 KB |
Output is correct |
| 50 |
Correct |
33 ms |
1364 KB |
Output is correct |
| 51 |
Correct |
202 ms |
8668 KB |
Output is correct |
| 52 |
Correct |
207 ms |
8660 KB |
Output is correct |
| 53 |
Correct |
265 ms |
8672 KB |
Output is correct |
| 54 |
Correct |
305 ms |
8664 KB |
Output is correct |
| 55 |
Correct |
26 ms |
340 KB |
Output is correct |
| 56 |
Correct |
60 ms |
1476 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Execution timed out |
4051 ms |
1500 KB |
Time limit exceeded |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Execution timed out |
4051 ms |
1500 KB |
Time limit exceeded |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Execution timed out |
4051 ms |
1500 KB |
Time limit exceeded |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Execution timed out |
4051 ms |
1500 KB |
Time limit exceeded |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
191 ms |
8532 KB |
Output is correct |
| 6 |
Correct |
171 ms |
8532 KB |
Output is correct |
| 7 |
Correct |
240 ms |
8532 KB |
Output is correct |
| 8 |
Correct |
309 ms |
8532 KB |
Output is correct |
| 9 |
Correct |
320 ms |
8532 KB |
Output is correct |
| 10 |
Correct |
269 ms |
8532 KB |
Output is correct |
| 11 |
Correct |
328 ms |
8532 KB |
Output is correct |
| 12 |
Correct |
331 ms |
8532 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
0 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
324 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
328 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
0 ms |
340 KB |
Output is correct |
| 28 |
Correct |
0 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
328 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
1 ms |
340 KB |
Output is correct |
| 32 |
Correct |
1 ms |
340 KB |
Output is correct |
| 33 |
Correct |
0 ms |
328 KB |
Output is correct |
| 34 |
Correct |
1 ms |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
1 ms |
340 KB |
Output is correct |
| 38 |
Correct |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
1 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
328 KB |
Output is correct |
| 41 |
Correct |
3 ms |
468 KB |
Output is correct |
| 42 |
Correct |
4 ms |
468 KB |
Output is correct |
| 43 |
Correct |
4 ms |
468 KB |
Output is correct |
| 44 |
Correct |
4 ms |
456 KB |
Output is correct |
| 45 |
Correct |
4 ms |
456 KB |
Output is correct |
| 46 |
Correct |
22 ms |
1364 KB |
Output is correct |
| 47 |
Correct |
29 ms |
1364 KB |
Output is correct |
| 48 |
Correct |
34 ms |
1364 KB |
Output is correct |
| 49 |
Correct |
29 ms |
1364 KB |
Output is correct |
| 50 |
Correct |
33 ms |
1364 KB |
Output is correct |
| 51 |
Correct |
202 ms |
8668 KB |
Output is correct |
| 52 |
Correct |
207 ms |
8660 KB |
Output is correct |
| 53 |
Correct |
265 ms |
8672 KB |
Output is correct |
| 54 |
Correct |
305 ms |
8664 KB |
Output is correct |
| 55 |
Correct |
26 ms |
340 KB |
Output is correct |
| 56 |
Correct |
60 ms |
1476 KB |
Output is correct |
| 57 |
Correct |
0 ms |
340 KB |
Output is correct |
| 58 |
Execution timed out |
4051 ms |
1500 KB |
Time limit exceeded |
| 59 |
Halted |
0 ms |
0 KB |
- |
