oj.uz

Submission #493564

# Submission time Handle Problem Language Result Execution time Memory
493564 2021-12-12T06:34:23 Z 600Mihnea Crossing (JOI21_crossing) C++17
100 / 100
 2696 ms 107824 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

class Node {
public:
  bool stequal = false;
  bool jequal = false;
  bool oequal = false;
  bool iequal = false;
};

class IsEqual {
private:
  vector<string> s;
  string t;
  int n;
  vector<vector<Node>> tree;
  vector<vector<char>> lazy;

  void build(int v, int tl, int tr) {
    if (tl == tr) {
      for (int j = 0; j < 9; j++) {
        tree[v][j].stequal = (s[j][tl] == t[tl]);
        tree[v][j].jequal = (s[j][tl] == 'J');
        tree[v][j].oequal = (s[j][tl] == 'O');
        tree[v][j].iequal = (s[j][tl] == 'I');
      }

    } else {
      int tm = (tl + tr) / 2;
      build(2 * v, tl, tm);
      build(2 * v + 1, tm + 1, tr);
      for (int j = 0; j < 9; j++) {
        tree[v][j].stequal = tree[2 * v][j].stequal & tree[2 * v + 1][j].stequal;
        tree[v][j].jequal = tree[2 * v][j].jequal & tree[2 * v + 1][j].jequal;
        tree[v][j].oequal = tree[2 * v][j].oequal & tree[2 * v + 1][j].oequal;
        tree[v][j].iequal = tree[2 * v][j].iequal & tree[2 * v + 1][j].iequal;
      }
    }
  }

  void modify(int v, int tl, int tr, int l, int r, char ch) {
    for (int j = 0; j < 9; j++) {

      if (lazy[v][j] != 'X') {
        if (lazy[v][j] == 'J') {
          tree[v][j].stequal = tree[v][j].jequal;
        } else {
          if (lazy[v][j] == 'O') {
            tree[v][j].stequal = tree[v][j].oequal;
          } else {
            tree[v][j].stequal = tree[v][j].iequal;
          }
        }
        if (tl < tr) {
          lazy[2 * v][j] = lazy[2 * v + 1][j] = lazy[v][j];
        }
        lazy[v][j] = 'X';
      }
    }
    if (tr < l || r < tl) {
      return;
    }
    if (l <= tl && tr <= r) {
      for (int j = 0; j < 9; j++) {
        lazy[v][j] = ch;
        if (lazy[v][j] == 'J') {
          tree[v][j].stequal = tree[v][j].jequal;
        } else {
          if (lazy[v][j] == 'O') {
            tree[v][j].stequal = tree[v][j].oequal;
          } else {
            tree[v][j].stequal = tree[v][j].iequal;
          }
        }
        if (tl < tr) {
          lazy[2 * v][j] = lazy[2 * v + 1][j] = lazy[v][j];
        }
        lazy[v][j] = 'X';
      }
    } else {
      int tm = (tl + tr) / 2;
      modify(2 * v, tl, tm, l, r, ch);
      modify(2 * v + 1, tm + 1, tr, l, r, ch);
      for (int j = 0; j < 9; j++) {
        tree[v][j].stequal = tree[2 * v][j].stequal & tree[2 * v + 1][j].stequal;
      }
    }
  }

public:

  IsEqual(vector<string> s, string t) : s(s), t(t), n((int) t.size()), tree(4 * ((int) t.size() + 7), vector<Node> (9)), lazy(4 * ((int) t.size() + 7), vector<char> (9, 'X')) {
    build(1, 0, n - 1);
  }

  void modify(int l, int r, char ch) {
    l--;
    r--;
    modify(1, 0, n - 1, l, r, ch);
  }

  bool isEqual() {
    bool ok = false;
    for (int j = 0; j < 9; j++) {
      ok |= tree[1][j].stequal;
    }
    return ok;
  }
};

string operator + (string s, string t) {
  for (int i = 0; i < (int) s.size(); i++) {
    if (s[i] != t[i]) {
      int x = 'J' + 'O' + 'I' - s[i] - t[i];
      s[i] = x;
    }
  }
  return s;
}

signed main() {
  ios::sync_with_stdio(0); cin.tie(0);

 // freopen ("TonyStark", "r", stdin);

  int n, q;
  string a, b, c, t;
  cin >> n >> a >> b >> c >> q >> t;
  vector<string> strs;
  strs.push_back(a);
  strs.push_back(b);
  strs.push_back(c);
  strs.push_back(a + b);
  strs.push_back(b + c);
  strs.push_back(c + a);
  strs.push_back(a + (b + c));
  strs.push_back(b + (c + a));
  strs.push_back(c + (a + b));

  IsEqual all(strs, t);


  function <string()> solve = [&] () {
    if (all.isEqual()) {
      return "Yes";
    } else {
      return "No";
    }
  };

  cout << solve() << "\n";

  while (q--) {
    int l, r;
    string ch;
    cin >> l >> r >> ch;
    all.modify(l, r, ch[0]);
    cout << solve() << "\n";
  }
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 908 KB Output is correct
2 Correct 340 ms 896 KB Output is correct
3 Correct 465 ms 932 KB Output is correct
4 Correct 215 ms 964 KB Output is correct
5 Correct 206 ms 872 KB Output is correct
6 Correct 221 ms 912 KB Output is correct
7 Correct 215 ms 900 KB Output is correct
8 Correct 232 ms 944 KB Output is correct
9 Correct 233 ms 952 KB Output is correct
10 Correct 228 ms 844 KB Output is correct
11 Correct 242 ms 1068 KB Output is correct
12 Correct 232 ms 872 KB Output is correct
13 Correct 249 ms 940 KB Output is correct
14 Correct 241 ms 968 KB Output is correct
15 Correct 243 ms 940 KB Output is correct
16 Correct 222 ms 924 KB Output is correct
17 Correct 237 ms 876 KB Output is correct
18 Correct 476 ms 1012 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 908 KB Output is correct
2 Correct 340 ms 896 KB Output is correct
3 Correct 465 ms 932 KB Output is correct
4 Correct 215 ms 964 KB Output is correct
5 Correct 206 ms 872 KB Output is correct
6 Correct 221 ms 912 KB Output is correct
7 Correct 215 ms 900 KB Output is correct
8 Correct 232 ms 944 KB Output is correct
9 Correct 233 ms 952 KB Output is correct
10 Correct 228 ms 844 KB Output is correct
11 Correct 242 ms 1068 KB Output is correct
12 Correct 232 ms 872 KB Output is correct
13 Correct 249 ms 940 KB Output is correct
14 Correct 241 ms 968 KB Output is correct
15 Correct 243 ms 940 KB Output is correct
16 Correct 222 ms 924 KB Output is correct
17 Correct 237 ms 876 KB Output is correct
18 Correct 476 ms 1012 KB Output is correct
19 Correct 2236 ms 107524 KB Output is correct
20 Correct 2370 ms 107568 KB Output is correct
21 Correct 841 ms 101160 KB Output is correct
22 Correct 967 ms 90892 KB Output is correct
23 Correct 402 ms 6388 KB Output is correct
24 Correct 458 ms 6540 KB Output is correct
25 Correct 969 ms 107712 KB Output is correct
26 Correct 1100 ms 107480 KB Output is correct
27 Correct 1341 ms 107464 KB Output is correct
28 Correct 1415 ms 107528 KB Output is correct
29 Correct 1187 ms 104544 KB Output is correct
30 Correct 535 ms 6492 KB Output is correct
31 Correct 1301 ms 107824 KB Output is correct
32 Correct 1146 ms 98136 KB Output is correct
33 Correct 449 ms 6252 KB Output is correct
34 Correct 1276 ms 107644 KB Output is correct
35 Correct 778 ms 80232 KB Output is correct
36 Correct 416 ms 6496 KB Output is correct
37 Correct 420 ms 6276 KB Output is correct
38 Correct 2081 ms 107652 KB Output is correct
39 Correct 428 ms 107616 KB Output is correct
40 Correct 853 ms 70968 KB Output is correct
41 Correct 2696 ms 107728 KB Output is correct
42 Correct 208 ms 107760 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 908 KB Output is correct
2 Correct 340 ms 896 KB Output is correct
3 Correct 465 ms 932 KB Output is correct
4 Correct 215 ms 964 KB Output is correct
5 Correct 206 ms 872 KB Output is correct
6 Correct 221 ms 912 KB Output is correct
7 Correct 215 ms 900 KB Output is correct
8 Correct 232 ms 944 KB Output is correct
9 Correct 233 ms 952 KB Output is correct
10 Correct 228 ms 844 KB Output is correct
11 Correct 242 ms 1068 KB Output is correct
12 Correct 232 ms 872 KB Output is correct
13 Correct 249 ms 940 KB Output is correct
14 Correct 241 ms 968 KB Output is correct
15 Correct 243 ms 940 KB Output is correct
16 Correct 222 ms 924 KB Output is correct
17 Correct 237 ms 876 KB Output is correct
18 Correct 476 ms 1012 KB Output is correct
19 Correct 334 ms 1036 KB Output is correct
20 Correct 459 ms 836 KB Output is correct
21 Correct 229 ms 856 KB Output is correct
22 Correct 196 ms 908 KB Output is correct
23 Correct 249 ms 856 KB Output is correct
24 Correct 220 ms 996 KB Output is correct
25 Correct 238 ms 880 KB Output is correct
26 Correct 216 ms 928 KB Output is correct
27 Correct 225 ms 1016 KB Output is correct
28 Correct 200 ms 888 KB Output is correct
29 Correct 238 ms 924 KB Output is correct
30 Correct 198 ms 836 KB Output is correct
31 Correct 219 ms 956 KB Output is correct
32 Correct 217 ms 1032 KB Output is correct
33 Correct 229 ms 924 KB Output is correct
34 Correct 201 ms 816 KB Output is correct
35 Correct 232 ms 956 KB Output is correct
36 Correct 230 ms 884 KB Output is correct
37 Correct 223 ms 924 KB Output is correct
38 Correct 237 ms 936 KB Output is correct
39 Correct 224 ms 920 KB Output is correct
40 Correct 234 ms 1124 KB Output is correct
41 Correct 226 ms 852 KB Output is correct
42 Correct 230 ms 1048 KB Output is correct
43 Correct 223 ms 840 KB Output is correct
44 Correct 238 ms 872 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 908 KB Output is correct
2 Correct 340 ms 896 KB Output is correct
3 Correct 465 ms 932 KB Output is correct
4 Correct 215 ms 964 KB Output is correct
5 Correct 206 ms 872 KB Output is correct
6 Correct 221 ms 912 KB Output is correct
7 Correct 215 ms 900 KB Output is correct
8 Correct 232 ms 944 KB Output is correct
9 Correct 233 ms 952 KB Output is correct
10 Correct 228 ms 844 KB Output is correct
11 Correct 242 ms 1068 KB Output is correct
12 Correct 232 ms 872 KB Output is correct
13 Correct 249 ms 940 KB Output is correct
14 Correct 241 ms 968 KB Output is correct
15 Correct 243 ms 940 KB Output is correct
16 Correct 222 ms 924 KB Output is correct
17 Correct 237 ms 876 KB Output is correct
18 Correct 476 ms 1012 KB Output is correct
19 Correct 2236 ms 107524 KB Output is correct
20 Correct 2370 ms 107568 KB Output is correct
21 Correct 841 ms 101160 KB Output is correct
22 Correct 967 ms 90892 KB Output is correct
23 Correct 402 ms 6388 KB Output is correct
24 Correct 458 ms 6540 KB Output is correct
25 Correct 969 ms 107712 KB Output is correct
26 Correct 1100 ms 107480 KB Output is correct
27 Correct 1341 ms 107464 KB Output is correct
28 Correct 1415 ms 107528 KB Output is correct
29 Correct 1187 ms 104544 KB Output is correct
30 Correct 535 ms 6492 KB Output is correct
31 Correct 1301 ms 107824 KB Output is correct
32 Correct 1146 ms 98136 KB Output is correct
33 Correct 449 ms 6252 KB Output is correct
34 Correct 1276 ms 107644 KB Output is correct
35 Correct 778 ms 80232 KB Output is correct
36 Correct 416 ms 6496 KB Output is correct
37 Correct 420 ms 6276 KB Output is correct
38 Correct 2081 ms 107652 KB Output is correct
39 Correct 428 ms 107616 KB Output is correct
40 Correct 853 ms 70968 KB Output is correct
41 Correct 2696 ms 107728 KB Output is correct
42 Correct 208 ms 107760 KB Output is correct
43 Correct 334 ms 1036 KB Output is correct
44 Correct 459 ms 836 KB Output is correct
45 Correct 229 ms 856 KB Output is correct
46 Correct 196 ms 908 KB Output is correct
47 Correct 249 ms 856 KB Output is correct
48 Correct 220 ms 996 KB Output is correct
49 Correct 238 ms 880 KB Output is correct
50 Correct 216 ms 928 KB Output is correct
51 Correct 225 ms 1016 KB Output is correct
52 Correct 200 ms 888 KB Output is correct
53 Correct 238 ms 924 KB Output is correct
54 Correct 198 ms 836 KB Output is correct
55 Correct 219 ms 956 KB Output is correct
56 Correct 217 ms 1032 KB Output is correct
57 Correct 229 ms 924 KB Output is correct
58 Correct 201 ms 816 KB Output is correct
59 Correct 232 ms 956 KB Output is correct
60 Correct 230 ms 884 KB Output is correct
61 Correct 223 ms 924 KB Output is correct
62 Correct 237 ms 936 KB Output is correct
63 Correct 224 ms 920 KB Output is correct
64 Correct 234 ms 1124 KB Output is correct
65 Correct 226 ms 852 KB Output is correct
66 Correct 230 ms 1048 KB Output is correct
67 Correct 223 ms 840 KB Output is correct
68 Correct 238 ms 872 KB Output is correct
69 Correct 1863 ms 90148 KB Output is correct
70 Correct 2318 ms 107744 KB Output is correct
71 Correct 415 ms 6316 KB Output is correct
72 Correct 393 ms 6432 KB Output is correct
73 Correct 403 ms 6624 KB Output is correct
74 Correct 854 ms 89852 KB Output is correct
75 Correct 400 ms 6292 KB Output is correct
76 Correct 890 ms 107644 KB Output is correct
77 Correct 961 ms 90140 KB Output is correct
78 Correct 390 ms 6416 KB Output is correct
79 Correct 396 ms 6408 KB Output is correct
80 Correct 848 ms 77096 KB Output is correct
81 Correct 405 ms 6192 KB Output is correct
82 Correct 926 ms 107696 KB Output is correct
83 Correct 1030 ms 101272 KB Output is correct
84 Correct 420 ms 6264 KB Output is correct
85 Correct 414 ms 6212 KB Output is correct
86 Correct 1319 ms 81800 KB Output is correct
87 Correct 1400 ms 107616 KB Output is correct
88 Correct 576 ms 6344 KB Output is correct
89 Correct 1133 ms 94856 KB Output is correct
90 Correct 1214 ms 107572 KB Output is correct
91 Correct 532 ms 6380 KB Output is correct
92 Correct 776 ms 80600 KB Output is correct
93 Correct 389 ms 6344 KB Output is correct
94 Correct 429 ms 6244 KB Output is correct
95 Correct 415 ms 6272 KB Output is correct
96 Correct 1980 ms 107636 KB Output is correct
97 Correct 402 ms 107508 KB Output is correct
98 Correct 802 ms 70840 KB Output is correct
99 Correct 2572 ms 107792 KB Output is correct
100 Correct 214 ms 107680 KB Output is correct