oj.uz

Submission #876173

# Submission time Handle Problem Language Result Execution time Memory
876173 2023-11-21T10:51:51 Z green_gold_dog Crossing (JOI21_crossing) C++17
49 / 100
 416 ms 22332 KB 
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,abm,popcnt,mmx")
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef double db;
typedef long double ldb;
typedef complex<double> cd;

constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007, p = 57;
constexpr db PI = acos(-1);
constexpr bool IS_FILE = false, IS_TEST_CASES = false;

random_device rd;
mt19937 rnd32(rd());
mt19937_64 rnd64(rd());

template<typename T>
bool assign_max(T& a, T b) {
        if (b > a) {
                a = b;
                return true;
        }
        return false;
}

template<typename T>
bool assign_min(T& a, T b) {
        if (b < a) {
                a = b;
                return true;
        }
        return false;
}

template<typename T>
T square(T a) {
        return a * a;
}

template<>
struct std::hash<pair<ll, ll>> {
        ll operator() (pair<ll, ll> p) const {
                return ((__int128)p.first * MOD + p.second) % INF64;
        }
};

map<pair<char, char>, char> m;

set<ll> can;

string make(string& s1, string& s2) {
        string ans(s1.size(), '.');
        for (ll i = 0; i < s1.size(); i++) {
                ans[i] = m[make_pair(s1[i], s2[i])];
        }
        return ans;
}

ll calc(string& s) {
        ll ans = 0, now = 1;
        for (auto i : s) {
                ans += (i - 'A') * now;
                ans %= MOD;
                now *= p;
                now %= MOD;
        }
        return ans;
}

void rec(string& s, string& s1, string& s2, string& s3) {
        can.insert(calc(s));
        s = make(s, s1);
        if (can.find(calc(s)) == can.end()) {
                rec(s, s1, s2, s3);
        }
        s = make(s, s1);
        s = make(s, s2);
        if (can.find(calc(s)) == can.end()) {
                rec(s, s1, s2, s3);
        }
        s = make(s, s2);
        s = make(s, s3);
        if (can.find(calc(s)) == can.end()) {
                rec(s, s1, s2, s3);
        }
        s = make(s, s3);
}

vector<ll> pp, ppref;

struct segment_tree {
        vector<ll> tree, m;
        ll size;
        segment_tree(ll n) {
                size = 1;
                while (size < n) {
                        size *= 2;
                }
                tree.resize(size * 2, 0);
                m.resize(size * 2, -1);
        }
        void set(ll v, ll l, ll r, ll x) {
                m[v] = x;
                tree[v] = x * ppref[r - l] % MOD;
        }
        void push(ll v, ll l, ll r) {
                if (m[v] == -1) {
                        return;
                }
                ll mid = (l + r) / 2;
                set(v * 2, l, mid, m[v]);
                set(v * 2 + 1, mid, r, m[v]);
                m[v] = -1;
        }
        ll get() {
                return tree[1];
        }
        void set(ll l, ll r, ll x) {
                set(1, 0, size, l, r, x);
        }
        void set(ll v, ll l, ll r, ll ql, ll qr, ll x) {
                if (ql <= l && r <= qr) {
                        set(v, l, r, x);
                        return;
                }
                if (qr <= l || r <= ql) {
                        return;
                }
                push(v, l, r);
                ll mid = (l + r) / 2;
                set(v * 2, l, mid, ql, qr, x);
                set(v * 2 + 1, mid, r, ql, qr, x);
                tree[v] = (tree[v * 2] + (tree[v * 2 + 1] * pp[mid - l])) % MOD;
        }
};

void solve() {
        m[make_pair('O', 'O')] = 'O';
        m[make_pair('O', 'I')] = 'J';
        m[make_pair('O', 'J')] = 'I';
        m[make_pair('I', 'O')] = 'J';
        m[make_pair('I', 'I')] = 'I';
        m[make_pair('I', 'J')] = 'O';
        m[make_pair('J', 'O')] = 'I';
        m[make_pair('J', 'I')] = 'O';
        m[make_pair('J', 'J')] = 'J';
        ll n;
        cin >> n;
        pp.push_back(1);
        while (pp.size() < n * 2) {
                pp.push_back(pp.back() * p % MOD);
        }
        ppref.push_back(0);
        for (auto i : pp) {
                ppref.push_back((ppref.back() + i) % MOD);
        }
        string s1, s2, s3;
        cin >> s1 >> s2 >> s3;
        string s = s1;
        rec(s, s1, s2, s3);
        segment_tree st(n);
        ll q;
        cin >> q;
        cin >> s;
        for (ll i = 0; i < n; i++) {
                st.set(i, i + 1, s[i] - 'A');
        }
        cout << (can.find(st.get()) == can.end() ? "No" : "Yes") << '\n';
        for (ll i = 0; i < q; i++) {
                ll l, r;
                char c;
                cin >> l >> r >> c;
                l--;
                st.set(l, r, c - 'A');
                cout << (can.find(st.get()) == can.end() ? "No" : "Yes") << '\n';
        }
}

int main() {
        if (IS_FILE) {
                freopen("", "r", stdin);
                freopen("", "w", stdout);
        }
        ios_base::sync_with_stdio(false);
        cin.tie(0);
        cout.tie(0);
        ll t = 1;
        if (IS_TEST_CASES) {
                cin >> t;
        }
        for (ll i = 0; i < t; i++) {
                solve();
        }
}

Compilation message

Main.cpp: In function 'std::string make(std::string&, std::string&)':
Main.cpp:56:26: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |         for (ll i = 0; i < s1.size(); i++) {
      |                        ~~^~~~~~~~~~~
Main.cpp: In function 'void solve()':
Main.cpp:153:26: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
  153 |         while (pp.size() < n * 2) {
      |                ~~~~~~~~~~^~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:184:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  184 |                 freopen("", "r", stdin);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~
Main.cpp:185:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  185 |                 freopen("", "w", stdout);
      |                 ~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 848 KB Output is correct
2 Correct 55 ms 860 KB Output is correct
3 Correct 57 ms 964 KB Output is correct
4 Correct 50 ms 988 KB Output is correct
5 Correct 49 ms 856 KB Output is correct
6 Correct 49 ms 860 KB Output is correct
7 Correct 53 ms 852 KB Output is correct
8 Correct 50 ms 856 KB Output is correct
9 Correct 55 ms 852 KB Output is correct
10 Correct 51 ms 852 KB Output is correct
11 Correct 55 ms 852 KB Output is correct
12 Correct 59 ms 1044 KB Output is correct
13 Correct 53 ms 944 KB Output is correct
14 Correct 53 ms 1112 KB Output is correct
15 Correct 51 ms 960 KB Output is correct
16 Correct 53 ms 828 KB Output is correct
17 Correct 51 ms 856 KB Output is correct
18 Correct 54 ms 848 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 848 KB Output is correct
2 Correct 55 ms 860 KB Output is correct
3 Correct 57 ms 964 KB Output is correct
4 Correct 50 ms 988 KB Output is correct
5 Correct 49 ms 856 KB Output is correct
6 Correct 49 ms 860 KB Output is correct
7 Correct 53 ms 852 KB Output is correct
8 Correct 50 ms 856 KB Output is correct
9 Correct 55 ms 852 KB Output is correct
10 Correct 51 ms 852 KB Output is correct
11 Correct 55 ms 852 KB Output is correct
12 Correct 59 ms 1044 KB Output is correct
13 Correct 53 ms 944 KB Output is correct
14 Correct 53 ms 1112 KB Output is correct
15 Correct 51 ms 960 KB Output is correct
16 Correct 53 ms 828 KB Output is correct
17 Correct 51 ms 856 KB Output is correct
18 Correct 54 ms 848 KB Output is correct
19 Correct 207 ms 17564 KB Output is correct
20 Correct 218 ms 18252 KB Output is correct
21 Correct 175 ms 19708 KB Output is correct
22 Correct 159 ms 19000 KB Output is correct
23 Correct 84 ms 4180 KB Output is correct
24 Correct 93 ms 4300 KB Output is correct
25 Correct 174 ms 21564 KB Output is correct
26 Correct 178 ms 20208 KB Output is correct
27 Correct 181 ms 20212 KB Output is correct
28 Correct 204 ms 22072 KB Output is correct
29 Correct 180 ms 21820 KB Output is correct
30 Correct 100 ms 4380 KB Output is correct
31 Correct 181 ms 20220 KB Output is correct
32 Correct 175 ms 19692 KB Output is correct
33 Correct 86 ms 4336 KB Output is correct
34 Correct 187 ms 20532 KB Output is correct
35 Correct 150 ms 18488 KB Output is correct
36 Correct 87 ms 4260 KB Output is correct
37 Correct 85 ms 4180 KB Output is correct
38 Correct 192 ms 20788 KB Output is correct
39 Correct 156 ms 20472 KB Output is correct
40 Correct 139 ms 15176 KB Output is correct
41 Correct 220 ms 22332 KB Output is correct
42 Correct 125 ms 20328 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 848 KB Output is correct
2 Correct 55 ms 860 KB Output is correct
3 Correct 57 ms 964 KB Output is correct
4 Correct 50 ms 988 KB Output is correct
5 Correct 49 ms 856 KB Output is correct
6 Correct 49 ms 860 KB Output is correct
7 Correct 53 ms 852 KB Output is correct
8 Correct 50 ms 856 KB Output is correct
9 Correct 55 ms 852 KB Output is correct
10 Correct 51 ms 852 KB Output is correct
11 Correct 55 ms 852 KB Output is correct
12 Correct 59 ms 1044 KB Output is correct
13 Correct 53 ms 944 KB Output is correct
14 Correct 53 ms 1112 KB Output is correct
15 Correct 51 ms 960 KB Output is correct
16 Correct 53 ms 828 KB Output is correct
17 Correct 51 ms 856 KB Output is correct
18 Correct 54 ms 848 KB Output is correct
19 Correct 57 ms 872 KB Output is correct
20 Correct 61 ms 1044 KB Output is correct
21 Correct 57 ms 848 KB Output is correct
22 Correct 52 ms 848 KB Output is correct
23 Correct 53 ms 852 KB Output is correct
24 Correct 52 ms 852 KB Output is correct
25 Correct 58 ms 1056 KB Output is correct
26 Correct 51 ms 852 KB Output is correct
27 Correct 53 ms 836 KB Output is correct
28 Correct 48 ms 852 KB Output is correct
29 Correct 53 ms 848 KB Output is correct
30 Correct 49 ms 996 KB Output is correct
31 Correct 54 ms 848 KB Output is correct
32 Correct 55 ms 860 KB Output is correct
33 Correct 55 ms 852 KB Output is correct
34 Correct 50 ms 780 KB Output is correct
35 Correct 54 ms 848 KB Output is correct
36 Correct 54 ms 1112 KB Output is correct
37 Correct 54 ms 1040 KB Output is correct
38 Correct 56 ms 848 KB Output is correct
39 Correct 55 ms 856 KB Output is correct
40 Correct 56 ms 848 KB Output is correct
41 Correct 54 ms 848 KB Output is correct
42 Correct 55 ms 932 KB Output is correct
43 Correct 54 ms 860 KB Output is correct
44 Correct 55 ms 848 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 848 KB Output is correct
2 Correct 55 ms 860 KB Output is correct
3 Correct 57 ms 964 KB Output is correct
4 Correct 50 ms 988 KB Output is correct
5 Correct 49 ms 856 KB Output is correct
6 Correct 49 ms 860 KB Output is correct
7 Correct 53 ms 852 KB Output is correct
8 Correct 50 ms 856 KB Output is correct
9 Correct 55 ms 852 KB Output is correct
10 Correct 51 ms 852 KB Output is correct
11 Correct 55 ms 852 KB Output is correct
12 Correct 59 ms 1044 KB Output is correct
13 Correct 53 ms 944 KB Output is correct
14 Correct 53 ms 1112 KB Output is correct
15 Correct 51 ms 960 KB Output is correct
16 Correct 53 ms 828 KB Output is correct
17 Correct 51 ms 856 KB Output is correct
18 Correct 54 ms 848 KB Output is correct
19 Correct 207 ms 17564 KB Output is correct
20 Correct 218 ms 18252 KB Output is correct
21 Correct 175 ms 19708 KB Output is correct
22 Correct 159 ms 19000 KB Output is correct
23 Correct 84 ms 4180 KB Output is correct
24 Correct 93 ms 4300 KB Output is correct
25 Correct 174 ms 21564 KB Output is correct
26 Correct 178 ms 20208 KB Output is correct
27 Correct 181 ms 20212 KB Output is correct
28 Correct 204 ms 22072 KB Output is correct
29 Correct 180 ms 21820 KB Output is correct
30 Correct 100 ms 4380 KB Output is correct
31 Correct 181 ms 20220 KB Output is correct
32 Correct 175 ms 19692 KB Output is correct
33 Correct 86 ms 4336 KB Output is correct
34 Correct 187 ms 20532 KB Output is correct
35 Correct 150 ms 18488 KB Output is correct
36 Correct 87 ms 4260 KB Output is correct
37 Correct 85 ms 4180 KB Output is correct
38 Correct 192 ms 20788 KB Output is correct
39 Correct 156 ms 20472 KB Output is correct
40 Correct 139 ms 15176 KB Output is correct
41 Correct 220 ms 22332 KB Output is correct
42 Correct 125 ms 20328 KB Output is correct
43 Correct 57 ms 872 KB Output is correct
44 Correct 61 ms 1044 KB Output is correct
45 Correct 57 ms 848 KB Output is correct
46 Correct 52 ms 848 KB Output is correct
47 Correct 53 ms 852 KB Output is correct
48 Correct 52 ms 852 KB Output is correct
49 Correct 58 ms 1056 KB Output is correct
50 Correct 51 ms 852 KB Output is correct
51 Correct 53 ms 836 KB Output is correct
52 Correct 48 ms 852 KB Output is correct
53 Correct 53 ms 848 KB Output is correct
54 Correct 49 ms 996 KB Output is correct
55 Correct 54 ms 848 KB Output is correct
56 Correct 55 ms 860 KB Output is correct
57 Correct 55 ms 852 KB Output is correct
58 Correct 50 ms 780 KB Output is correct
59 Correct 54 ms 848 KB Output is correct
60 Correct 54 ms 1112 KB Output is correct
61 Correct 54 ms 1040 KB Output is correct
62 Correct 56 ms 848 KB Output is correct
63 Correct 55 ms 856 KB Output is correct
64 Correct 56 ms 848 KB Output is correct
65 Correct 54 ms 848 KB Output is correct
66 Correct 55 ms 932 KB Output is correct
67 Correct 54 ms 860 KB Output is correct
68 Correct 55 ms 848 KB Output is correct
69 Correct 354 ms 19420 KB Output is correct
70 Correct 416 ms 21300 KB Output is correct
71 Correct 97 ms 4268 KB Output is correct
72 Correct 88 ms 4184 KB Output is correct
73 Correct 89 ms 4180 KB Output is correct
74 Correct 198 ms 18748 KB Output is correct
75 Correct 91 ms 4164 KB Output is correct
76 Correct 225 ms 21408 KB Output is correct
77 Correct 203 ms 21592 KB Output is correct
78 Correct 100 ms 4296 KB Output is correct
79 Correct 88 ms 4180 KB Output is correct
80 Correct 288 ms 19260 KB Output is correct
81 Correct 102 ms 4444 KB Output is correct
82 Correct 377 ms 20532 KB Output is correct
83 Correct 357 ms 19916 KB Output is correct
84 Correct 97 ms 4336 KB Output is correct
85 Correct 96 ms 4196 KB Output is correct
86 Correct 237 ms 19840 KB Output is correct
87 Correct 272 ms 21824 KB Output is correct
88 Correct 98 ms 4276 KB Output is correct
89 Correct 264 ms 18968 KB Output is correct
90 Incorrect 277 ms 21440 KB Output isn't correct
91 Halted 0 ms 0 KB -