oj.uz

답안 #810937

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
810937 2023-08-06T17:46:08 Z lukameladze Council (JOI23_council) C++17
8 / 100
 263 ms 24832 KB 
# include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define ll  long long
//#define int long long
#define pii pair <int, int>
#define pb push_back
const int N = 2e6 + 5, inf = 1e9;
int n, m, a[N], cnt[N], raod[N];
pii idx[N], dp[N][2];
void upd(int idx, int vl) {
    if (!vl) return ;
    int res = __builtin_popcount(idx & a[vl]);
    if (res < dp[idx][0].f) {
        dp[idx][1] = dp[idx][0];
        dp[idx][0] = {res, vl};   
    } else if (res < dp[idx][1].f && vl != dp[idx][0].s) {
        dp[idx][1] = {res, vl};
    }
}
signed main() {
    cin>>n>>m;
    for (int i = 1; i <= n; i++) {
        for (int j = 0; j < m; j++) {
            char ch; cin>>ch;
            if (ch == '1') a[i] |= (1<<j),cnt[j]++;
        }
    }
    for (int i = 1; i <= n; i++) {
        int op = a[i] ^ ((1<<m) - 1);
        int ff = 0;
        if (!idx[op].f) idx[op].f = i;
        else idx[op].s = i;
    }
	
    for (int i = (1<<m) - 1; i >= 0; i--) {
        if (idx[i].f && idx[i].s) continue;
        for (int j = 0; j < m; j++) {
            if ((1<<j)&i) continue;
            if (!idx[i].f) {
                if (idx[i ^ (1<<j)].f) idx[i].f = idx[i ^ (1<<j)].f;
            }  else if (!idx[i].s) {
                if (idx[i ^ (1<<j)].f && idx[i ^ (1<<j)].f != idx[i].f) {
                    idx[i].s = idx[i ^ (1<<j)].f;
                }
                if (idx[i ^ (1<<j)].s && idx[i ^ (1<<j)].s != idx[i].f) {
                    idx[i].s = idx[i ^ (1<<j)].s;
                }
            }
        }
    }
    for (int i = 0; i < (1<<m); i++) {
        dp[i][0] = dp[i][1] = {inf, 0};
        if (idx[i].f) upd(i, idx[i].f); if (idx[i].s) upd(i, idx[i].s); // tu 0 aqvs saerto
        for (int j = 0; j < m; j++) {
            if ((1<<j)&i) { // tu me-j aqvs saerto
                upd(i, dp[i ^ (1<<j)][0].s);
                upd(i, dp[i ^ (1<<j)][1].s);
            }
        }
    }
    for (int i = 1; i <= n; i++) {
        int res = 0, mask = 0;
        for (int j = 0; j < m; j++) {
            if ((1<<j)&a[i]) cnt[j]--;
            if (cnt[j] == n / 2) mask |= (1<<j);//, cout<<j<<" ";
            if (cnt[j] >= n / 2) res++;
            if ((1<<j)&a[i]) cnt[j]++;
        }
        //cout<<res<<"\n";
        if (dp[mask][0].s != i) cout<<res - dp[mask][0].f<<"\n";
        else cout<<res - dp[mask][1].f<<"\n";
    }
}

Compilation message

council.cpp: In function 'int main()':
council.cpp:32:13: warning: unused variable 'ff' [-Wunused-variable]
   32 |         int ff = 0;
      |             ^~
council.cpp:55:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   55 |         if (idx[i].f) upd(i, idx[i].f); if (idx[i].s) upd(i, idx[i].s); // tu 0 aqvs saerto
      |         ^~
council.cpp:55:41: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   55 |         if (idx[i].f) upd(i, idx[i].f); if (idx[i].s) upd(i, idx[i].s); // tu 0 aqvs saerto
      |                                         ^~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 231 ms 20720 KB Output is correct
6 Correct 232 ms 16716 KB Output is correct
7 Correct 235 ms 19476 KB Output is correct
8 Correct 247 ms 19872 KB Output is correct
9 Correct 263 ms 24488 KB Output is correct
10 Correct 238 ms 18756 KB Output is correct
11 Correct 253 ms 21068 KB Output is correct
12 Correct 262 ms 24588 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 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 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 352 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 3 ms 600 KB Output is correct
43 Correct 4 ms 596 KB Output is correct
44 Correct 3 ms 596 KB Output is correct
45 Correct 4 ms 596 KB Output is correct
46 Correct 26 ms 2752 KB Output is correct
47 Correct 26 ms 2864 KB Output is correct
48 Correct 29 ms 3048 KB Output is correct
49 Correct 27 ms 2736 KB Output is correct
50 Correct 28 ms 3412 KB Output is correct

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 231 ms 20720 KB Output is correct
6 Correct 232 ms 16716 KB Output is correct
7 Correct 235 ms 19476 KB Output is correct
8 Correct 247 ms 19872 KB Output is correct
9 Correct 263 ms 24488 KB Output is correct
10 Correct 238 ms 18756 KB Output is correct
11 Correct 253 ms 21068 KB Output is correct
12 Correct 262 ms 24588 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 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 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 352 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 3 ms 600 KB Output is correct
43 Correct 4 ms 596 KB Output is correct
44 Correct 3 ms 596 KB Output is correct
45 Correct 4 ms 596 KB Output is correct
46 Correct 26 ms 2752 KB Output is correct
47 Correct 26 ms 2864 KB Output is correct
48 Correct 29 ms 3048 KB Output is correct
49 Correct 27 ms 2736 KB Output is correct
50 Correct 28 ms 3412 KB Output is correct
51 Correct 229 ms 16648 KB Output is correct
52 Incorrect 204 ms 24832 KB Output isn't correct
53 Halted 0 ms 0 KB -

Subtask #3
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 44 ms 1996 KB Output is correct
3 Incorrect 44 ms 804 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 44 ms 1996 KB Output is correct
3 Incorrect 44 ms 804 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 44 ms 1996 KB Output is correct
3 Incorrect 44 ms 804 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 44 ms 1996 KB Output is correct
3 Incorrect 44 ms 804 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 231 ms 20720 KB Output is correct
6 Correct 232 ms 16716 KB Output is correct
7 Correct 235 ms 19476 KB Output is correct
8 Correct 247 ms 19872 KB Output is correct
9 Correct 263 ms 24488 KB Output is correct
10 Correct 238 ms 18756 KB Output is correct
11 Correct 253 ms 21068 KB Output is correct
12 Correct 262 ms 24588 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 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 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 352 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 3 ms 596 KB Output is correct
42 Correct 3 ms 600 KB Output is correct
43 Correct 4 ms 596 KB Output is correct
44 Correct 3 ms 596 KB Output is correct
45 Correct 4 ms 596 KB Output is correct
46 Correct 26 ms 2752 KB Output is correct
47 Correct 26 ms 2864 KB Output is correct
48 Correct 29 ms 3048 KB Output is correct
49 Correct 27 ms 2736 KB Output is correct
50 Correct 28 ms 3412 KB Output is correct
51 Correct 229 ms 16648 KB Output is correct
52 Incorrect 204 ms 24832 KB Output isn't correct
53 Halted 0 ms 0 KB -