# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
300147 | 2020-09-16T20:51:37 Z | BeanZ | 건물 4 (JOI20_building4) | C++14 | 407 ms | 146168 KB |
// I_LOVE_LPL #include <bits/stdc++.h> using namespace std; #define ll long long #define endl '\n' const int N = 1e6 + 5; const int lim = 3e2; ll inf = 1e18; ll a[N][2], vis[N][2]; pair<ll, ll> dp[N][2]; // dem B void DP(ll i, ll j){ if (vis[i][j]) return; vis[i][j] = 1; ll mn = inf, mx = -inf; if (a[i][j] <= a[i + 1][0]){ DP(i + 1, 0); mn = min(mn, dp[i + 1][0].first); mx = max(mx, dp[i + 1][0].second); } if (a[i][j] <= a[i + 1][1]){ DP(i + 1, 1); mn = min(mn, dp[i + 1][1].first + 1); mx = max(mx, dp[i + 1][1].second + 1); } dp[i][j] = {mn, mx}; //cout << dp[i][j].first << " " << dp[i][j].second << endl; } int main(){ ios_base::sync_with_stdio(false); cin.tie(0); if (fopen("A.inp", "r")){ freopen("test.inp", "r", stdin); freopen("test.out", "w", stdout); } ll n; cin >> n; n *= 2; for (int j = 0; j < 2; j++){ for (int i = 1; i <= n; i++){ cin >> a[i][j]; } } vis[n][0] = vis[n][1] = 1; DP(0, 0); if (dp[0][0].first > (n / 2) || dp[0][0].second < (n / 2)) return cout << -1, 0; ll cur = n / 2; ll last = 0; for (int i = 1; i <= n; i++){ //cout << dp[i][1].first << " " << dp[i][1].second << endl; if (a[i][1] >= a[i - 1][last] && dp[i][1].first <= (cur - 1) && (cur - 1) <= dp[i][1].second){ cout << "B"; last = 1; cur--; } else { cout << "A"; last = 0; } } } /* */
Compilation message
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 384 KB | Output is correct |
2 | Correct | 1 ms | 384 KB | Output is correct |
3 | Correct | 1 ms | 384 KB | Output is correct |
4 | Correct | 1 ms | 512 KB | Output is correct |
5 | Correct | 1 ms | 384 KB | Output is correct |
6 | Correct | 2 ms | 768 KB | Output is correct |
7 | Correct | 2 ms | 768 KB | Output is correct |
8 | Correct | 2 ms | 768 KB | Output is correct |
9 | Correct | 2 ms | 768 KB | Output is correct |
10 | Correct | 2 ms | 768 KB | Output is correct |
11 | Correct | 2 ms | 768 KB | Output is correct |
12 | Correct | 2 ms | 896 KB | Output is correct |
13 | Correct | 2 ms | 896 KB | Output is correct |
14 | Correct | 2 ms | 896 KB | Output is correct |
15 | Correct | 2 ms | 896 KB | Output is correct |
16 | Correct | 2 ms | 896 KB | Output is correct |
17 | Correct | 2 ms | 896 KB | Output is correct |
18 | Correct | 3 ms | 1024 KB | Output is correct |
19 | Correct | 2 ms | 896 KB | Output is correct |
20 | Correct | 2 ms | 896 KB | Output is correct |
21 | Correct | 2 ms | 896 KB | Output is correct |
22 | Correct | 2 ms | 896 KB | Output is correct |
23 | Correct | 2 ms | 896 KB | Output is correct |
24 | Correct | 2 ms | 896 KB | Output is correct |
25 | Correct | 2 ms | 896 KB | Output is correct |
26 | Correct | 2 ms | 896 KB | Output is correct |
27 | Correct | 2 ms | 896 KB | Output is correct |
28 | Correct | 1 ms | 768 KB | Output is correct |
29 | Correct | 2 ms | 896 KB | Output is correct |
30 | Correct | 2 ms | 768 KB | Output is correct |
31 | Correct | 2 ms | 1024 KB | Output is correct |
32 | Correct | 2 ms | 896 KB | Output is correct |
33 | Correct | 2 ms | 896 KB | Output is correct |
# | 결과 | 실행 시간 | 메모리 | Grader output |
---|---|---|---|---|
1 | Correct | 0 ms | 384 KB | Output is correct |
2 | Correct | 1 ms | 384 KB | Output is correct |
3 | Correct | 1 ms | 384 KB | Output is correct |
4 | Correct | 1 ms | 512 KB | Output is correct |
5 | Correct | 1 ms | 384 KB | Output is correct |
6 | Correct | 2 ms | 768 KB | Output is correct |
7 | Correct | 2 ms | 768 KB | Output is correct |
8 | Correct | 2 ms | 768 KB | Output is correct |
9 | Correct | 2 ms | 768 KB | Output is correct |
10 | Correct | 2 ms | 768 KB | Output is correct |
11 | Correct | 2 ms | 768 KB | Output is correct |
12 | Correct | 2 ms | 896 KB | Output is correct |
13 | Correct | 2 ms | 896 KB | Output is correct |
14 | Correct | 2 ms | 896 KB | Output is correct |
15 | Correct | 2 ms | 896 KB | Output is correct |
16 | Correct | 2 ms | 896 KB | Output is correct |
17 | Correct | 2 ms | 896 KB | Output is correct |
18 | Correct | 3 ms | 1024 KB | Output is correct |
19 | Correct | 2 ms | 896 KB | Output is correct |
20 | Correct | 2 ms | 896 KB | Output is correct |
21 | Correct | 2 ms | 896 KB | Output is correct |
22 | Correct | 2 ms | 896 KB | Output is correct |
23 | Correct | 2 ms | 896 KB | Output is correct |
24 | Correct | 2 ms | 896 KB | Output is correct |
25 | Correct | 2 ms | 896 KB | Output is correct |
26 | Correct | 2 ms | 896 KB | Output is correct |
27 | Correct | 2 ms | 896 KB | Output is correct |
28 | Correct | 1 ms | 768 KB | Output is correct |
29 | Correct | 2 ms | 896 KB | Output is correct |
30 | Correct | 2 ms | 768 KB | Output is correct |
31 | Correct | 2 ms | 1024 KB | Output is correct |
32 | Correct | 2 ms | 896 KB | Output is correct |
33 | Correct | 2 ms | 896 KB | Output is correct |
34 | Correct | 225 ms | 29816 KB | Output is correct |
35 | Correct | 339 ms | 135288 KB | Output is correct |
36 | Correct | 331 ms | 133112 KB | Output is correct |
37 | Correct | 336 ms | 135928 KB | Output is correct |
38 | Correct | 346 ms | 135800 KB | Output is correct |
39 | Correct | 333 ms | 135416 KB | Output is correct |
40 | Correct | 356 ms | 144888 KB | Output is correct |
41 | Correct | 359 ms | 138104 KB | Output is correct |
42 | Correct | 354 ms | 141176 KB | Output is correct |
43 | Correct | 371 ms | 146040 KB | Output is correct |
44 | Correct | 366 ms | 146040 KB | Output is correct |
45 | Correct | 364 ms | 145912 KB | Output is correct |
46 | Correct | 352 ms | 146040 KB | Output is correct |
47 | Correct | 349 ms | 145144 KB | Output is correct |
48 | Correct | 352 ms | 144888 KB | Output is correct |
49 | Correct | 360 ms | 145748 KB | Output is correct |
50 | Correct | 407 ms | 145016 KB | Output is correct |
51 | Correct | 367 ms | 145016 KB | Output is correct |
52 | Correct | 285 ms | 134136 KB | Output is correct |
53 | Correct | 289 ms | 134264 KB | Output is correct |
54 | Correct | 278 ms | 134136 KB | Output is correct |
55 | Correct | 277 ms | 133880 KB | Output is correct |
56 | Correct | 384 ms | 146168 KB | Output is correct |
57 | Correct | 337 ms | 140492 KB | Output is correct |
58 | Correct | 334 ms | 141176 KB | Output is correct |
59 | Correct | 324 ms | 141176 KB | Output is correct |
60 | Correct | 308 ms | 133112 KB | Output is correct |
61 | Correct | 338 ms | 141688 KB | Output is correct |
62 | Correct | 331 ms | 139512 KB | Output is correct |
63 | Correct | 330 ms | 141688 KB | Output is correct |
64 | Correct | 324 ms | 136824 KB | Output is correct |
65 | Correct | 351 ms | 141728 KB | Output is correct |