oj.uz

Submission #833202

# Submission time Handle Problem Language Result Execution time Memory
833202 2023-08-22T03:10:21 Z maomao90 Crossing (JOI21_crossing) C++17
100 / 100
 249 ms 18136 KB 
// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h> 
using namespace std;

#define REP(i, s, e) for (int i = (s); i < (e); i++)
#define RREP(i, s, e) for (int i = (s); i >= (e); i--)
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}

typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005ll;
const int MAXN = 200005;
const ll MOD = 998244353998244393;

#define submod(x) if (x >= MOD) x -= MOD
#define addmod(x) if (x < 0) x += MOD

int key[100];

int n;
ll pw[MAXN], pfxpw[MAXN];
set<string> st, nst;
set<ll> gd;
int q;
string t;

ll v[MAXN * 4];
int lz[MAXN * 4];
#define MLR int mid = lo + hi >> 1, lc = u << 1, rc = u << 1 ^ 1
void apply(int x, int u, int lo, int hi) {
    lz[u] = x;
    ll tmp = pfxpw[hi] - (lo == 0 ? 0 : pfxpw[lo - 1]);
    addmod(tmp);
    v[u] = tmp * x % MOD;
}
void propo(int u, int lo, int hi) {
    if (lz[u] == -1) {
        return;
    }
    MLR;
    apply(lz[u], lc, lo, mid);
    apply(lz[u], rc, mid + 1, hi);
    lz[u] = -1;
}
void init(int u = 1, int lo = 0, int hi = n - 1) {
    lz[u] = -1;
    if (lo == hi) {
        v[u] = key[t[lo]] * pw[lo] % MOD;
    } else {
        MLR;
        init(lc, lo, mid);
        init(rc, mid + 1, hi);
        v[u] = v[lc] + v[rc];
        submod(v[u]);
    }
}
void upd(int s, int e, int x, int u = 1, int lo = 0, int hi = n - 1) {
    if (lo >= s && hi <= e) {
        apply(x, u, lo, hi);
        return;
    }
    MLR;
    propo(u, lo, hi);
    if (s <= mid) {
        upd(s, e, x, lc, lo, mid);
    }
    if (e > mid) {
        upd(s, e, x, rc, mid + 1, hi);
    }
    v[u] = v[lc] + v[rc];
    submod(v[u]);
}

int main() {
    key['J'] = 0; key['O'] = 1; key['I'] = 2;
#ifndef DEBUG
    ios::sync_with_stdio(0), cin.tie(0);
#endif
    cin >> n;
    pw[0] = pfxpw[0] = 1;
    REP (i, 1, n + 1) {
        pw[i] = pw[i - 1] * 3 % MOD;
        pfxpw[i] = pw[i] + pfxpw[i - 1];
        submod(pfxpw[i]);
    }
    REP (i, 0, 3) {
        string s; cin >> s;
        st.insert(s);
    }
    while (1) {
        for (string a : st) {
            for (string b : st) {
                string c = a;
                REP (i, 0, n) {
                    if (a[i] == b[i]) {
                        c[i] = a[i];
                    } else {
                        c[i] = 'J' + 'O' + 'I' - a[i] - b[i];
                    }
                }
                nst.insert(c);
            }
        }
        if (SZ(nst) == SZ(st)) {
            break;
        }
        swap(st, nst);
    }
    for (string s : st) {
        ll hsh = 0;
        REP (i, 0, n) {
            hsh = (hsh + key[s[i]] * pw[i]) % MOD;
        }
        gd.insert(hsh);
    }
    cin >> q;
    cin >> t;
    init();
    if (gd.find(v[1]) != gd.end()) {
        cout << "Yes\n";
    } else {
        cout << "No\n";
    }
    while (q--) {
        int l, r; char c; cin >> l >> r >> c;
        l--; r--;
        upd(l, r, key[c]);
        if (gd.find(v[1]) != gd.end()) {
            cout << "Yes\n";
        } else {
            cout << "No\n";
        }
    }
    return 0;
}

Compilation message

Main.cpp: In function 'void propo(int, int, int)':
Main.cpp:55:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 | #define MLR int mid = lo + hi >> 1, lc = u << 1, rc = u << 1 ^ 1
      |                       ~~~^~~~
Main.cpp:66:5: note: in expansion of macro 'MLR'
   66 |     MLR;
      |     ^~~
Main.cpp: In function 'void init(int, int, int)':
Main.cpp:74:25: warning: array subscript has type 'char' [-Wchar-subscripts]
   74 |         v[u] = key[t[lo]] * pw[lo] % MOD;
      |                         ^
Main.cpp:55:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 | #define MLR int mid = lo + hi >> 1, lc = u << 1, rc = u << 1 ^ 1
      |                       ~~~^~~~
Main.cpp:76:9: note: in expansion of macro 'MLR'
   76 |         MLR;
      |         ^~~
Main.cpp: In function 'void upd(int, int, int, int, int, int)':
Main.cpp:55:26: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 | #define MLR int mid = lo + hi >> 1, lc = u << 1, rc = u << 1 ^ 1
      |                       ~~~^~~~
Main.cpp:88:5: note: in expansion of macro 'MLR'
   88 |     MLR;
      |     ^~~
Main.cpp: In function 'int main()':
Main.cpp:138:34: warning: array subscript has type 'char' [-Wchar-subscripts]
  138 |             hsh = (hsh + key[s[i]] * pw[i]) % MOD;
      |                                  ^
Main.cpp:153:23: warning: array subscript has type 'char' [-Wchar-subscripts]
  153 |         upd(l, r, key[c]);
      |                       ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 888 KB Output is correct
2 Correct 59 ms 936 KB Output is correct
3 Correct 57 ms 920 KB Output is correct
4 Correct 47 ms 856 KB Output is correct
5 Correct 47 ms 800 KB Output is correct
6 Correct 48 ms 876 KB Output is correct
7 Correct 47 ms 912 KB Output is correct
8 Correct 50 ms 928 KB Output is correct
9 Correct 54 ms 836 KB Output is correct
10 Correct 51 ms 936 KB Output is correct
11 Correct 52 ms 908 KB Output is correct
12 Correct 51 ms 832 KB Output is correct
13 Correct 52 ms 880 KB Output is correct
14 Correct 52 ms 920 KB Output is correct
15 Correct 52 ms 924 KB Output is correct
16 Correct 51 ms 844 KB Output is correct
17 Correct 51 ms 828 KB Output is correct
18 Correct 51 ms 904 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 888 KB Output is correct
2 Correct 59 ms 936 KB Output is correct
3 Correct 57 ms 920 KB Output is correct
4 Correct 47 ms 856 KB Output is correct
5 Correct 47 ms 800 KB Output is correct
6 Correct 48 ms 876 KB Output is correct
7 Correct 47 ms 912 KB Output is correct
8 Correct 50 ms 928 KB Output is correct
9 Correct 54 ms 836 KB Output is correct
10 Correct 51 ms 936 KB Output is correct
11 Correct 52 ms 908 KB Output is correct
12 Correct 51 ms 832 KB Output is correct
13 Correct 52 ms 880 KB Output is correct
14 Correct 52 ms 920 KB Output is correct
15 Correct 52 ms 924 KB Output is correct
16 Correct 51 ms 844 KB Output is correct
17 Correct 51 ms 828 KB Output is correct
18 Correct 51 ms 904 KB Output is correct
19 Correct 195 ms 11260 KB Output is correct
20 Correct 188 ms 12804 KB Output is correct
21 Correct 119 ms 14584 KB Output is correct
22 Correct 119 ms 14000 KB Output is correct
23 Correct 87 ms 3824 KB Output is correct
24 Correct 88 ms 3860 KB Output is correct
25 Correct 127 ms 14824 KB Output is correct
26 Correct 126 ms 14836 KB Output is correct
27 Correct 168 ms 14792 KB Output is correct
28 Correct 152 ms 14808 KB Output is correct
29 Correct 147 ms 14616 KB Output is correct
30 Correct 100 ms 3868 KB Output is correct
31 Correct 156 ms 14856 KB Output is correct
32 Correct 140 ms 14392 KB Output is correct
33 Correct 89 ms 3860 KB Output is correct
34 Correct 148 ms 14880 KB Output is correct
35 Correct 111 ms 13364 KB Output is correct
36 Correct 90 ms 3784 KB Output is correct
37 Correct 88 ms 3836 KB Output is correct
38 Correct 176 ms 14840 KB Output is correct
39 Correct 92 ms 14916 KB Output is correct
40 Correct 119 ms 10152 KB Output is correct
41 Correct 188 ms 15076 KB Output is correct
42 Correct 38 ms 14228 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 888 KB Output is correct
2 Correct 59 ms 936 KB Output is correct
3 Correct 57 ms 920 KB Output is correct
4 Correct 47 ms 856 KB Output is correct
5 Correct 47 ms 800 KB Output is correct
6 Correct 48 ms 876 KB Output is correct
7 Correct 47 ms 912 KB Output is correct
8 Correct 50 ms 928 KB Output is correct
9 Correct 54 ms 836 KB Output is correct
10 Correct 51 ms 936 KB Output is correct
11 Correct 52 ms 908 KB Output is correct
12 Correct 51 ms 832 KB Output is correct
13 Correct 52 ms 880 KB Output is correct
14 Correct 52 ms 920 KB Output is correct
15 Correct 52 ms 924 KB Output is correct
16 Correct 51 ms 844 KB Output is correct
17 Correct 51 ms 828 KB Output is correct
18 Correct 51 ms 904 KB Output is correct
19 Correct 58 ms 892 KB Output is correct
20 Correct 60 ms 932 KB Output is correct
21 Correct 51 ms 872 KB Output is correct
22 Correct 44 ms 876 KB Output is correct
23 Correct 64 ms 936 KB Output is correct
24 Correct 49 ms 864 KB Output is correct
25 Correct 52 ms 856 KB Output is correct
26 Correct 47 ms 876 KB Output is correct
27 Correct 51 ms 892 KB Output is correct
28 Correct 46 ms 864 KB Output is correct
29 Correct 51 ms 848 KB Output is correct
30 Correct 45 ms 804 KB Output is correct
31 Correct 53 ms 884 KB Output is correct
32 Correct 52 ms 932 KB Output is correct
33 Correct 54 ms 900 KB Output is correct
34 Correct 47 ms 848 KB Output is correct
35 Correct 53 ms 844 KB Output is correct
36 Correct 54 ms 896 KB Output is correct
37 Correct 53 ms 848 KB Output is correct
38 Correct 54 ms 860 KB Output is correct
39 Correct 53 ms 904 KB Output is correct
40 Correct 53 ms 884 KB Output is correct
41 Correct 57 ms 916 KB Output is correct
42 Correct 54 ms 952 KB Output is correct
43 Correct 50 ms 868 KB Output is correct
44 Correct 55 ms 844 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 888 KB Output is correct
2 Correct 59 ms 936 KB Output is correct
3 Correct 57 ms 920 KB Output is correct
4 Correct 47 ms 856 KB Output is correct
5 Correct 47 ms 800 KB Output is correct
6 Correct 48 ms 876 KB Output is correct
7 Correct 47 ms 912 KB Output is correct
8 Correct 50 ms 928 KB Output is correct
9 Correct 54 ms 836 KB Output is correct
10 Correct 51 ms 936 KB Output is correct
11 Correct 52 ms 908 KB Output is correct
12 Correct 51 ms 832 KB Output is correct
13 Correct 52 ms 880 KB Output is correct
14 Correct 52 ms 920 KB Output is correct
15 Correct 52 ms 924 KB Output is correct
16 Correct 51 ms 844 KB Output is correct
17 Correct 51 ms 828 KB Output is correct
18 Correct 51 ms 904 KB Output is correct
19 Correct 195 ms 11260 KB Output is correct
20 Correct 188 ms 12804 KB Output is correct
21 Correct 119 ms 14584 KB Output is correct
22 Correct 119 ms 14000 KB Output is correct
23 Correct 87 ms 3824 KB Output is correct
24 Correct 88 ms 3860 KB Output is correct
25 Correct 127 ms 14824 KB Output is correct
26 Correct 126 ms 14836 KB Output is correct
27 Correct 168 ms 14792 KB Output is correct
28 Correct 152 ms 14808 KB Output is correct
29 Correct 147 ms 14616 KB Output is correct
30 Correct 100 ms 3868 KB Output is correct
31 Correct 156 ms 14856 KB Output is correct
32 Correct 140 ms 14392 KB Output is correct
33 Correct 89 ms 3860 KB Output is correct
34 Correct 148 ms 14880 KB Output is correct
35 Correct 111 ms 13364 KB Output is correct
36 Correct 90 ms 3784 KB Output is correct
37 Correct 88 ms 3836 KB Output is correct
38 Correct 176 ms 14840 KB Output is correct
39 Correct 92 ms 14916 KB Output is correct
40 Correct 119 ms 10152 KB Output is correct
41 Correct 188 ms 15076 KB Output is correct
42 Correct 38 ms 14228 KB Output is correct
43 Correct 58 ms 892 KB Output is correct
44 Correct 60 ms 932 KB Output is correct
45 Correct 51 ms 872 KB Output is correct
46 Correct 44 ms 876 KB Output is correct
47 Correct 64 ms 936 KB Output is correct
48 Correct 49 ms 864 KB Output is correct
49 Correct 52 ms 856 KB Output is correct
50 Correct 47 ms 876 KB Output is correct
51 Correct 51 ms 892 KB Output is correct
52 Correct 46 ms 864 KB Output is correct
53 Correct 51 ms 848 KB Output is correct
54 Correct 45 ms 804 KB Output is correct
55 Correct 53 ms 884 KB Output is correct
56 Correct 52 ms 932 KB Output is correct
57 Correct 54 ms 900 KB Output is correct
58 Correct 47 ms 848 KB Output is correct
59 Correct 53 ms 844 KB Output is correct
60 Correct 54 ms 896 KB Output is correct
61 Correct 53 ms 848 KB Output is correct
62 Correct 54 ms 860 KB Output is correct
63 Correct 53 ms 904 KB Output is correct
64 Correct 53 ms 884 KB Output is correct
65 Correct 57 ms 916 KB Output is correct
66 Correct 54 ms 952 KB Output is correct
67 Correct 50 ms 868 KB Output is correct
68 Correct 55 ms 844 KB Output is correct
69 Correct 200 ms 16456 KB Output is correct
70 Correct 249 ms 17916 KB Output is correct
71 Correct 89 ms 3884 KB Output is correct
72 Correct 88 ms 3908 KB Output is correct
73 Correct 87 ms 3820 KB Output is correct
74 Correct 115 ms 14476 KB Output is correct
75 Correct 87 ms 3904 KB Output is correct
76 Correct 134 ms 15668 KB Output is correct
77 Correct 126 ms 14600 KB Output is correct
78 Correct 87 ms 3924 KB Output is correct
79 Correct 88 ms 3916 KB Output is correct
80 Correct 138 ms 15420 KB Output is correct
81 Correct 91 ms 3916 KB Output is correct
82 Correct 162 ms 17920 KB Output is correct
83 Correct 172 ms 17548 KB Output is correct
84 Correct 91 ms 4008 KB Output is correct
85 Correct 93 ms 4052 KB Output is correct
86 Correct 175 ms 15708 KB Output is correct
87 Correct 189 ms 17924 KB Output is correct
88 Correct 101 ms 3968 KB Output is correct
89 Correct 175 ms 16812 KB Output is correct
90 Correct 183 ms 17936 KB Output is correct
91 Correct 128 ms 3992 KB Output is correct
92 Correct 149 ms 15688 KB Output is correct
93 Correct 91 ms 3988 KB Output is correct
94 Correct 90 ms 3996 KB Output is correct
95 Correct 93 ms 4024 KB Output is correct
96 Correct 161 ms 14596 KB Output is correct
97 Correct 132 ms 18004 KB Output is correct
98 Correct 140 ms 12124 KB Output is correct
99 Correct 226 ms 18136 KB Output is correct
100 Correct 75 ms 17404 KB Output is correct