QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#711230#5675. QuotdokudbaumgAC ✓195ms3844kbC++202.7kb2024-11-05 06:58:052024-11-05 06:58:06

Judging History

你现在查看的是最新测评结果

  • [2024-11-05 06:58:06]
  • 评测
  • 测评结果:AC
  • 用时:195ms
  • 内存:3844kb
  • [2024-11-05 06:58:05]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

#define OK(r, c) (r >= 0 && c >= 0 && r < 9 && c < 9)
#define SQ(r, c) ((r) / 3 + 3 * ((c) / 3))

int gr[9][9], mk[3][9], q[9][9][9][9];

int dx[4] = {1, -1, 0, 0};
int dy[4] = {0, 0, 1, -1};

bool lV(int r, int c) {
    for (int i = 0; i < 4; i++) {
        int x = r + dx[i];
        int y = c + dy[i];
        if (!OK(x, y) || gr[x][y] == 0 || q[r][c][x][y] == 0)
            continue;
        if (q[r][c][x][y] != max(gr[r][c], gr[x][y]) / min(gr[r][c], gr[x][y]))
            return false;
    }
    return true;
}

void add(int r, int c, int x, int s) {
    gr[r][c] = s > 0 ? x : 0;
    mk[0][r] ^= 1 << (x - 1);
    mk[1][c] ^= 1 << (x - 1);
    mk[2][SQ(r, c)] ^= 1 << (x - 1);
}

bool bT(int r, int c) {
    if (r == 9)
        return true;
    int rI = r + (c + 1) / 9;
    int cI = (c + 1) % 9;
    if (gr[r][c])
        return lV(r, c) && bT(rI, cI);
    int mask = mk[0][r] & mk[1][c] & mk[2][SQ(r, c)];
    for (int x = 1; mask >> (x - 1); x++) {
        if ((mask >> (x - 1)) & 1) {
            add(r, c, x, 1);
            if (lV(r, c) && bT(rI, cI))
                return true;
            add(r, c, x, -1);
        }
    }
    return false;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int k;
    cin >> k;
    queue<pair<int, int>> q1, q2;
    for (int i = 0; i < 9; i++) {
        for (int j = 0; j < 9; j++) {
            if (j % 3 != 2) q1.push({i, j});
            if (i % 3 != 2) q2.push({i, j});
        }
    }
    for (int i = 0; i < 3; i++) {
        vector<int> v = {6, 9, 6, 9, 6};
        for (int t : v) {
            for (int j = 0; j < t; j++) {
                if (t == 6) {
                    auto p = q1.front();
                    q1.pop();
                    cin >> q[p.first][p.second][p.first][p.second + 1];
                    q[p.first][p.second + 1][p.first][p.second] = q[p.first][p.second][p.first][p.second + 1];
                } else {
                    auto p = q2.front();
                    q2.pop();
                    cin >> q[p.first][p.second][p.first + 1][p.second];
                    q[p.first + 1][p.second][p.first][p.second] = q[p.first][p.second][p.first + 1][p.second];
                }
            }
        }
    }
    for (int i = 0; i < 3; i++)
        for (int j = 0; j < 9; j++)
            mk[i][j] = 511;
    while (k--) {
        int r, c, x;
        cin >> r >> c >> x;
        r -= 1;
        c -= 1;
        add(r, c, x, 1);
    }
    bT(0, 0);
    for (int i = 0; i < 9; i++) {
        for (int j = 0; j < 9; j++)
            cout << gr[i][j] << " ";
        cout << "\n";
    }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 195ms
memory: 3504kb

input:

0
1 1 0 0 1 2
1 1 1 0 0 0 6 1 2
1 1 0 0 7 3
2 6 1 0 0 0 3 1 2
2 7 0 0 3 1
0 0 1 4 0 0
0 0 0 3 3 2 0 0 0
0 0 1 1 0 0
0 0 0 1 6 1 0 0 0
0 0 7 5 0 0
1 3 0 0 1 1
1 2 2 0 0 0 4 1 6
2 1 0 0 2 4
8 1 1 0 0 0 3 1 9
4 1 0 0 2 3

output:

3 5 9 2 7 1 6 8 4 
4 6 8 5 3 9 1 7 2 
2 1 7 4 8 6 3 9 5 
5 9 1 3 2 8 4 6 7 
7 2 3 9 6 4 5 1 8 
6 8 4 7 1 5 9 2 3 
9 7 2 1 4 3 8 5 6 
8 3 5 6 9 7 2 4 1 
1 4 6 8 5 2 7 3 9 

result:

ok 9 lines

Test #2:

score: 0
Accepted
time: 5ms
memory: 3568kb

input:

3
2 4 0 0 1 1
1 3 9 0 0 0 1 1 1
1 6 0 0 1 3
1 1 3 0 0 0 1 9 1
1 2 0 0 5 2
0 0 1 9 0 0
0 0 0 2 2 5 0 0 0
0 0 1 1 0 0
0 0 0 2 2 1 0 0 0
0 0 3 4 0 0
4 1 0 0 4 1
2 1 1 0 0 0 4 2 1
1 2 0 0 2 1
4 2 1 0 0 0 9 1 1
1 1 0 0 3 1
1 6 7
6 9 9
4 3 7

output:

5 2 9 1 3 7 8 6 4 
4 6 1 8 5 2 7 9 3 
7 8 3 4 6 9 5 1 2 
3 5 7 6 9 1 4 2 8 
8 9 2 3 4 5 6 7 1 
6 1 4 7 2 8 3 5 9 
1 4 5 9 7 3 2 8 6 
2 3 8 5 1 6 9 4 7 
9 7 6 2 8 4 1 3 5 

result:

ok 9 lines

Test #3:

score: 0
Accepted
time: 128ms
memory: 3616kb

input:

4
3 1 0 0 2 3
2 1 9 0 0 0 1 2 9
2 8 0 0 1 1
1 1 3 0 0 0 1 1 4
1 2 0 0 1 3
0 0 1 1 0 0
0 0 0 6 1 1 0 0 0
0 0 9 3 0 0
0 0 0 4 4 2 0 0 0
0 0 2 3 0 0
9 5 0 0 3 2
1 3 1 0 0 0 1 2 1
2 2 0 0 9 5
1 1 2 0 0 0 1 8 1
3 2 0 0 1 2
6 1 1
6 8 9
8 1 6
1 2 6

output:

2 6 9 5 7 4 8 3 1 
4 8 1 2 3 6 5 7 9 
5 7 3 8 1 9 4 6 2 
3 9 2 6 8 5 1 4 7 
8 4 7 1 9 3 2 5 6 
1 5 6 4 2 7 3 9 8 
9 1 5 3 6 8 7 2 4 
6 3 8 7 4 2 9 1 5 
7 2 4 9 5 1 6 8 3 

result:

ok 9 lines

Test #4:

score: 0
Accepted
time: 103ms
memory: 3640kb

input:

1
1 1 0 0 4 1
1 4 1 0 0 0 8 2 2
3 2 0 0 1 3
2 4 4 0 0 0 1 4 2
2 8 0 0 2 3
0 0 3 9 0 0
0 0 0 2 5 2 0 0 0
0 0 1 1 0 0
0 0 0 1 2 1 0 0 0
0 0 4 3 0 0
7 1 0 0 1 2
4 2 1 0 0 0 2 1 2
1 2 0 0 1 8
2 1 1 0 0 0 1 1 9
2 1 0 0 1 1
4 7 6

output:

7 9 5 2 8 3 1 4 6 
6 2 4 1 7 5 8 9 3 
3 8 1 9 4 6 5 2 7 
8 4 2 3 1 9 6 7 5 
9 1 7 6 5 4 2 3 8 
5 6 3 8 2 7 9 1 4 
1 7 9 4 6 8 3 5 2 
4 3 6 5 9 2 7 8 1 
2 5 8 7 3 1 4 6 9 

result:

ok 9 lines

Test #5:

score: 0
Accepted
time: 6ms
memory: 3844kb

input:

2
9 1 0 0 1 1
7 3 1 0 0 0 4 1 3
2 1 0 0 9 4
1 2 2 0 0 0 8 1 1
1 3 0 0 1 1
0 0 2 2 0 0
0 0 0 2 1 2 0 0 0
0 0 1 1 0 0
0 0 0 6 1 4 0 0 0
0 0 7 3 0 0
9 6 0 0 1 1
4 5 2 0 0 0 2 2 1
2 1 0 0 1 1
4 1 1 0 0 0 1 4 9
1 1 0 0 3 2
5 2 8
4 8 7

output:

1 9 8 2 3 5 4 6 7 
7 3 5 8 4 6 1 9 2 
4 6 2 9 1 7 8 5 3 
5 2 1 3 8 4 9 7 6 
3 8 7 6 5 9 2 1 4 
6 4 9 1 7 2 5 3 8 
9 1 6 7 2 8 3 4 5 
2 5 3 4 6 1 7 8 9 
8 7 4 5 9 3 6 2 1 

result:

ok 9 lines

Test #6:

score: 0
Accepted
time: 2ms
memory: 3832kb

input:

3
2 2 0 0 1 2
7 1 1 0 0 0 1 1 4
5 1 0 0 1 2
4 1 4 0 0 0 6 1 2
1 3 0 0 7 2
0 0 3 6 0 0
0 0 0 1 7 1 0 0 0
0 0 3 1 0 0
0 0 0 4 1 2 0 0 0
0 0 1 1 0 0
8 4 0 0 1 3
4 9 1 0 0 0 1 2 2
4 1 0 0 1 1
1 1 1 0 0 0 1 3 4
2 1 0 0 4 2
3 4 8
5 6 4
4 2 2

output:

7 3 8 4 6 1 9 5 2 
1 5 9 7 3 2 6 4 8 
4 6 2 8 9 5 1 7 3 
9 2 7 3 1 6 4 8 5 
5 8 1 2 7 4 3 9 6 
6 4 3 9 5 8 2 1 7 
8 1 4 6 2 7 5 3 9 
2 9 5 1 8 3 7 6 4 
3 7 6 5 4 9 8 2 1 

result:

ok 9 lines

Test #7:

score: 0
Accepted
time: 17ms
memory: 3612kb

input:

2
1 6 0 0 1 3
1 1 8 0 0 0 2 2 1
2 2 0 0 3 1
1 1 4 0 0 0 3 7 1
1 1 0 0 6 8
0 0 4 4 0 0
0 0 0 2 3 1 0 0 0
0 0 2 1 0 0
0 0 0 1 1 7 0 0 0
0 0 1 5 0 0
4 2 0 0 1 1
1 9 1 0 0 0 1 2 1
3 5 0 0 4 2
2 8 1 0 0 0 2 4 4
1 1 0 0 3 9
1 4 2
3 4 7

output:

7 6 1 2 8 5 4 3 9 
9 4 8 6 1 3 2 7 5 
5 3 2 7 9 4 6 1 8 
1 7 6 8 2 9 5 4 3 
4 5 9 3 6 7 1 8 2 
8 2 3 4 5 1 9 6 7 
2 9 4 1 3 8 7 5 6 
3 1 5 9 7 6 8 2 4 
6 8 7 5 4 2 3 9 1 

result:

ok 9 lines

Test #8:

score: 0
Accepted
time: 8ms
memory: 3616kb

input:

4
1 4 0 0 2 1
1 8 2 0 0 0 1 1 1
5 4 0 0 4 3
1 3 1 0 0 0 1 2 6
2 2 0 0 2 4
0 0 7 9 0 0
0 0 0 3 5 2 0 0 0
0 0 2 1 0 0
0 0 0 4 1 1 0 0 0
0 0 2 2 0 0
1 1 0 0 1 1
3 2 1 0 0 0 1 5 2
2 2 0 0 6 7
1 1 8 0 0 0 3 8 1
1 5 0 0 4 1
2 4 9
7 1 6
7 5 8
9 4 6

output:

9 8 2 4 6 1 7 3 5 
5 1 4 9 7 3 8 2 6 
7 3 6 5 2 8 9 4 1 
8 2 3 7 1 9 5 6 4 
1 6 9 2 5 4 3 7 8 
4 7 5 8 3 6 1 9 2 
6 9 7 1 8 2 4 5 3 
2 4 8 3 9 5 6 1 7 
3 5 1 6 4 7 2 8 9 

result:

ok 9 lines

Test #9:

score: 0
Accepted
time: 126ms
memory: 3572kb

input:

1
2 1 0 0 1 5
1 3 3 0 0 0 2 1 3
5 6 0 0 1 2
1 9 1 0 0 0 4 1 2
2 1 0 0 3 1
0 0 4 1 0 0
0 0 0 2 2 1 0 0 0
0 0 3 2 0 0
0 0 0 9 1 1 0 0 0
0 0 1 1 0 0
6 2 0 0 1 1
9 1 1 0 0 0 1 9 4
2 1 0 0 6 2
4 2 1 0 0 0 1 3 2
4 1 0 0 1 1
6 8 7

output:

7 3 2 8 6 9 4 5 1 
5 1 6 7 4 2 9 8 3 
4 9 8 5 1 3 2 6 7 
3 7 9 2 8 6 1 4 5 
6 5 4 1 3 7 8 2 9 
8 2 1 9 5 4 3 7 6 
1 6 3 4 2 5 7 9 8 
9 4 5 3 7 8 6 1 2 
2 8 7 6 9 1 5 3 4 

result:

ok 9 lines

Test #10:

score: 0
Accepted
time: 4ms
memory: 3816kb

input:

4
9 1 0 0 2 3
2 2 1 0 0 0 3 1 2
2 1 0 0 8 1
2 1 1 0 0 0 9 1 1
1 2 0 0 1 1
0 0 5 1 0 0
0 0 0 9 1 1 0 0 0
0 0 1 2 0 0
0 0 0 3 1 2 0 0 0
0 0 2 3 0 0
2 4 0 0 2 2
1 1 2 0 0 0 3 3 1
1 5 0 0 4 1
2 1 9 0 0 0 2 2 8
1 1 0 0 1 4
1 3 8
1 4 4
1 5 6
2 5 3

output:

1 9 8 4 6 5 3 7 2 
2 4 6 7 3 9 1 8 5 
5 3 7 2 1 8 9 6 4 
8 7 3 1 5 6 4 2 9 
6 2 5 9 8 4 7 1 3 
9 1 4 3 7 2 8 5 6 
4 8 2 5 9 1 6 3 7 
3 5 1 6 4 7 2 9 8 
7 6 9 8 2 3 5 4 1 

result:

ok 9 lines