답안 #522653

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
522653 2022-02-05T10:09:37 Z Monarchuwu Coin Collecting (JOI19_ho_t4) C++17
37 / 100
26 ms 23036 KB
/*
duyệt từ trái sang
đặt x là lượng coin có được
    x1 là lượng coin hàng trên

dp[x1] là state có x1 coin hàng trên và x - x1 coin hàng dưới
nếu thêm 1 coin hàng trên : dp[x - 1][i] -> dp[x][i + 1]
nếu thêm 1 coin hàng dưới : dp[x - 1][i] -> dp[x][i]
*/
#include<iostream>
#include<algorithm>
#include<cmath>
using namespace std;
typedef long long ll;

typedef pair<int, int> pii;
#define ff first
#define ss second

const ll inf = 1e18;
const int N = 2000 + 3;
int n;
pii p[N];

ll dp[N][N];
int dist(pii a, pii b) {
    return abs(a.ff - b.ff) + abs(a.ss - b.ss);
}
int main() {
    cin.tie(NULL)->sync_with_stdio(false);
    cin >> n;
    for (int i = 1; i <= n * 2; ++i) cin >> p[i].ff >> p[i].ss;

    sort(p + 1, p + n * 2 + 1);
    ll sum(0);
    for (int i = 1; i <= n * 2; ++i) {
        fill(dp[i], dp[i] + i + 1, inf);

        if (p[i].ff < 1) {
            sum += 1 - p[i].ff;
            p[i].ff = 1;
        }
        if (n < p[i].ff) {
            sum += p[i].ff - n;
            p[i].ff = n;
        }
        if (p[i].ss < 1) {
            sum += 1 - p[i].ss;
            p[i].ss = 1;
        }
        if (2 < p[i].ss) {
            sum += p[i].ss - 2;
            p[i].ss = 2;
        }

        for (int x = 0; x < i; ++x) {
            // dp[i - 1][x] -> dp[i][x]
            // go to (i - x, 2)
            dp[i][x] = min(dp[i][x], dp[i - 1][x] + dist(p[i], pii(i - x, 2)));

            // dp[i - 1][x] -> dp[i][x + 1]
            // go to (x + 1, 1)
            dp[i][x + 1] = min(dp[i][x + 1], dp[i - 1][x] + dist(p[i], pii(x + 1, 1)));
        }
    }
    cout << sum + dp[n * 2][n] << '\n';
}
/**  /\_/\
 *  (= ._.)
 *  / >0  \>1
**/
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 320 KB Output is correct
13 Correct 1 ms 316 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 320 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 312 KB Output is correct
30 Correct 1 ms 320 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 320 KB Output is correct
13 Correct 1 ms 316 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 320 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 312 KB Output is correct
30 Correct 1 ms 320 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 17 ms 22908 KB Output is correct
35 Correct 17 ms 23036 KB Output is correct
36 Correct 22 ms 23008 KB Output is correct
37 Correct 22 ms 22988 KB Output is correct
38 Correct 18 ms 22968 KB Output is correct
39 Correct 17 ms 23012 KB Output is correct
40 Correct 16 ms 23012 KB Output is correct
41 Correct 20 ms 23008 KB Output is correct
42 Correct 15 ms 22996 KB Output is correct
43 Correct 16 ms 22996 KB Output is correct
44 Correct 22 ms 23016 KB Output is correct
45 Correct 16 ms 22992 KB Output is correct
46 Correct 20 ms 22968 KB Output is correct
47 Correct 16 ms 23036 KB Output is correct
48 Correct 26 ms 22980 KB Output is correct
49 Correct 22 ms 23008 KB Output is correct
50 Correct 17 ms 22972 KB Output is correct
51 Correct 14 ms 23012 KB Output is correct
52 Correct 15 ms 22992 KB Output is correct
53 Correct 16 ms 22948 KB Output is correct
54 Correct 17 ms 22988 KB Output is correct
55 Correct 24 ms 22960 KB Output is correct
56 Correct 17 ms 22980 KB Output is correct
57 Correct 17 ms 22988 KB Output is correct
58 Correct 19 ms 22988 KB Output is correct
59 Correct 20 ms 22980 KB Output is correct
60 Correct 21 ms 22968 KB Output is correct
61 Correct 21 ms 22972 KB Output is correct
62 Correct 18 ms 22976 KB Output is correct
63 Correct 22 ms 22988 KB Output is correct
64 Correct 15 ms 23000 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 320 KB Output is correct
13 Correct 1 ms 316 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 1 ms 308 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 308 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 320 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 312 KB Output is correct
30 Correct 1 ms 320 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 17 ms 22908 KB Output is correct
35 Correct 17 ms 23036 KB Output is correct
36 Correct 22 ms 23008 KB Output is correct
37 Correct 22 ms 22988 KB Output is correct
38 Correct 18 ms 22968 KB Output is correct
39 Correct 17 ms 23012 KB Output is correct
40 Correct 16 ms 23012 KB Output is correct
41 Correct 20 ms 23008 KB Output is correct
42 Correct 15 ms 22996 KB Output is correct
43 Correct 16 ms 22996 KB Output is correct
44 Correct 22 ms 23016 KB Output is correct
45 Correct 16 ms 22992 KB Output is correct
46 Correct 20 ms 22968 KB Output is correct
47 Correct 16 ms 23036 KB Output is correct
48 Correct 26 ms 22980 KB Output is correct
49 Correct 22 ms 23008 KB Output is correct
50 Correct 17 ms 22972 KB Output is correct
51 Correct 14 ms 23012 KB Output is correct
52 Correct 15 ms 22992 KB Output is correct
53 Correct 16 ms 22948 KB Output is correct
54 Correct 17 ms 22988 KB Output is correct
55 Correct 24 ms 22960 KB Output is correct
56 Correct 17 ms 22980 KB Output is correct
57 Correct 17 ms 22988 KB Output is correct
58 Correct 19 ms 22988 KB Output is correct
59 Correct 20 ms 22980 KB Output is correct
60 Correct 21 ms 22968 KB Output is correct
61 Correct 21 ms 22972 KB Output is correct
62 Correct 18 ms 22976 KB Output is correct
63 Correct 22 ms 22988 KB Output is correct
64 Correct 15 ms 23000 KB Output is correct
65 Runtime error 3 ms 572 KB Execution killed with signal 11
66 Halted 0 ms 0 KB -