oj.uz

Submission #55408

# Submission time Handle Problem Language Result Execution time Memory
55408 2018-07-07T08:02:55 Z 강태규(#1543) Sandwich (JOI16_sandwich) C++11
35 / 100
 8000 ms 15324 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <unordered_map>
#include <functional>
#include <cstring>
#include <cmath>
#include <ctime>
#include <cstdlib>

using namespace std;
typedef long long llong;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<llong, llong> pll;
 
int r, c;
char grid[501][501];

struct _edge {
    int t, x, y;
};

_edge edge[2][501][501][2];
int used[2][500][500];
int fin[2][500][500];

int imin(int x, int y) {
    return x < y ? x : y;
}

const int inf = 1e6;
int dfs(int t, int x, int y) {
    if (fin[t][x][y]) return 0;
    if (used[t][x][y]) return inf;
    used[t][x][y] = 1;
    int ret = 1;
    
    for (int i = 0; i < 2; ++i) {
        if (edge[t][x][y][i].t == -1) continue;
        _edge j = edge[t][x][y][i];
        ret += dfs(j.t, j.x, j.y);
        if (ret > inf) break;
    }
    fin[t][x][y] = 1;
    return imin(ret, inf);
}

int ans[500][500];
char buf[10000];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> r >> c;
    for (int i = 0; i < r; ++i) {
        cin >> grid[i];
    }
    for (int i = 0; i < r; ++i) {
        for (int j = 0; j < c; ++j) {
            edge[0][i][j][0] = edge[0][i][j][1] = edge[1][i][j][0] = edge[1][i][j][1] = { -1, -1, -1 };
            if (j) edge[0][i][j][0] = { 0, i, j - 1 };
            if (i + 1 < r) edge[grid[i][j] != 'N'][i][j][1] = { grid[i + 1][j] != 'N', i + 1, j };
            if (j + 1 < c) edge[1][i][j][0] = { 1, i, j + 1 };
            if (i) edge[grid[i][j] != 'Z'][i][j][1] = { grid[i - 1][j] != 'Z', i - 1, j };
        }
    }
    for (int i = 0; i < r; ++i) {
        for (int j = 0; j < r; ++j) {
            for (int k = 0; k < c; ++k) {
                used[0][j][k] = 0;
                used[1][j][k] = 0;
                fin[0][j][k] = 0;
                fin[1][j][k] = 0;
            }
        }
        int sum = 0;
        for (int j = 0; j < c; ++j) {
            if (sum < inf) sum += dfs(0, i, j);
            sum = imin(sum, inf);
            ans[i][j] = sum;
        }
    }
    
    for (int i = 0; i < r; ++i) {
        for (int j = 0; j < r; ++j) {
            for (int k = 0; k < c; ++k) {
                used[0][j][k] = 0;
                used[1][j][k] = 0;
                fin[0][j][k] = 0;
                fin[1][j][k] = 0;
            }
        }
        int sum = 0;
        for (int j = c; j--; ) {
            if (sum < inf) sum += dfs(1, i, j);
            sum = imin(sum, inf);
            ans[i][j] = imin(ans[i][j], sum);
        }
    }
    for (int i = 0; i < r; ++i) {
        for (int j = 0; j < c; ++j) {
            cout << (ans[i][j] < inf ? 2 * ans[i][j] : -1);
            cout << (j + 1 < c ? ' ' : '\n');
        }
    }
    
	return 0;
}

Subtask #1
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 1308 KB Output is correct
4 Correct 2 ms 1308 KB Output is correct
5 Correct 2 ms 1376 KB Output is correct
6 Correct 5 ms 1560 KB Output is correct
7 Correct 9 ms 1592 KB Output is correct
8 Correct 8 ms 1612 KB Output is correct
9 Correct 7 ms 1612 KB Output is correct
10 Correct 11 ms 1616 KB Output is correct
11 Correct 14 ms 1628 KB Output is correct
12 Correct 7 ms 1628 KB Output is correct
13 Correct 14 ms 1664 KB Output is correct
14 Correct 14 ms 1788 KB Output is correct
15 Correct 7 ms 1788 KB Output is correct
16 Correct 9 ms 1820 KB Output is correct
17 Correct 8 ms 1820 KB Output is correct
18 Correct 9 ms 1820 KB Output is correct
19 Correct 9 ms 1820 KB Output is correct
20 Correct 5 ms 1820 KB Output is correct
21 Correct 6 ms 1820 KB Output is correct
22 Correct 6 ms 1820 KB Output is correct
23 Correct 6 ms 1820 KB Output is correct
24 Correct 12 ms 1820 KB Output is correct
25 Correct 12 ms 1820 KB Output is correct
26 Correct 10 ms 1836 KB Output is correct
27 Correct 6 ms 1964 KB Output is correct
28 Correct 9 ms 2108 KB Output is correct

Subtask #2
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 1308 KB Output is correct
4 Correct 2 ms 1308 KB Output is correct
5 Correct 2 ms 1376 KB Output is correct
6 Correct 5 ms 1560 KB Output is correct
7 Correct 9 ms 1592 KB Output is correct
8 Correct 8 ms 1612 KB Output is correct
9 Correct 7 ms 1612 KB Output is correct
10 Correct 11 ms 1616 KB Output is correct
11 Correct 14 ms 1628 KB Output is correct
12 Correct 7 ms 1628 KB Output is correct
13 Correct 14 ms 1664 KB Output is correct
14 Correct 14 ms 1788 KB Output is correct
15 Correct 7 ms 1788 KB Output is correct
16 Correct 9 ms 1820 KB Output is correct
17 Correct 8 ms 1820 KB Output is correct
18 Correct 9 ms 1820 KB Output is correct
19 Correct 9 ms 1820 KB Output is correct
20 Correct 5 ms 1820 KB Output is correct
21 Correct 6 ms 1820 KB Output is correct
22 Correct 6 ms 1820 KB Output is correct
23 Correct 6 ms 1820 KB Output is correct
24 Correct 12 ms 1820 KB Output is correct
25 Correct 12 ms 1820 KB Output is correct
26 Correct 10 ms 1836 KB Output is correct
27 Correct 6 ms 1964 KB Output is correct
28 Correct 9 ms 2108 KB Output is correct
29 Correct 2 ms 2108 KB Output is correct
30 Correct 17 ms 7996 KB Output is correct
31 Correct 408 ms 14988 KB Output is correct
32 Correct 441 ms 15244 KB Output is correct
33 Correct 102 ms 15244 KB Output is correct
34 Correct 3438 ms 15324 KB Output is correct
35 Correct 2685 ms 15324 KB Output is correct
36 Correct 68 ms 15324 KB Output is correct
37 Correct 4998 ms 15324 KB Output is correct
38 Correct 4455 ms 15324 KB Output is correct
39 Correct 5195 ms 15324 KB Output is correct
40 Execution timed out 8005 ms 15324 KB Time limit exceeded
41 Halted 0 ms 0 KB -