oj.uz

Submission #771092

# Submission time Handle Problem Language Result Execution time Memory
771092 2023-07-02T12:39:47 Z davitmarg Crossing (JOI21_crossing) C++17
100 / 100
 506 ms 40744 KB 
/*
DavitMarg
In a honky-tonk,
Down in Mexico
*/
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <string>
#include <cstring>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
#include <bitset>
#include <stack>
#include <cassert>
#include <iterator>
#include <random>
#include <chrono>
#define mod 998244353ll
#define LL long long
#define LD long double
#define MP make_pair    
#define PB push_back
#define all(v) v.begin(), v.end()
#define fastIO ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;

const int N = 500005;


string crossing(string a, string b)
{
    string s = a;
    for (int i = 0; i < a.length(); i++)
    {
        if (a[i] == b[i])
            continue;
        s[i] = '0' + ((a[i] - '0') ^ (b[i] - '0'));
    }
    return s;
}

string norm(string s)
{
    for (int i = 0; i < s.length(); i++)
    {
        if (s[i] == 'J')
            s[i] = '1';
        else if(s[i] == 'O')
			s[i] = '2';
		else
			s[i] = '3';
    }
    return s;
}

int n, q;
string s[N];
map<LL, bool> used;

LL prime = 271;
LL e[N], pr[5][N];

void hashInit()
{
    e[0] = 1;
    for(int i = 1; i <= n; i++)
		e[i] = (e[i - 1] * prime) % mod;

    for (int i = 0; i <= n; i++)
    {
        for (int j = 1; j <= 3; j++)
        { 
            pr[j][i] = (j * e[i]) % mod;
            if(i)
               pr[j][i] = (pr[j][i] + pr[j][i - 1]) % mod;
        }   

    }
}

LL getHash(string s)
{
	LL h = 0;
	for(int i = 0; i < s.length(); i++)
        h = (h + (LL)(s[i] - '0') * e[i]) % mod;
	return h;
}

LL t[4 * N];
char d[4 * N];

void build(int v, int l, int r)
{
    d[v] = '0';
    if (l == r)
    {
        t[v] = (LL)(s[0][l] - '0') * e[l];
        t[v] %= mod;
        return;
    }
    int mid = (l + r) / 2;
    build(2 * v, l, mid);
    build(2 * v + 1, mid + 1, r);
    t[v] = (t[2 * v] + t[2 * v + 1]) % mod;
}

void push(int v, int l, int r)
{
    if(d[v] == '0')
		return;
    if (l != r)
    {
        d[v * 2] = d[v];
        d[v * 2 + 1] = d[v];
    }
    t[v] = (pr[d[v] - '0'][r] - pr[d[v] - '0'][l - 1] + mod) % mod;
    d[v] = '0';
}

LL get(int v, int l, int r, int i, int j)
{
    push(v, l, r);
    if(i > j)
        return 0;
    if (l == i && r == j)
		return t[v];
    int mid = (l + r) / 2;
	LL res = (
        get(2 * v, l, mid, i, min(j, mid)) +
        get(2 * v + 1, mid + 1, r, max(i, mid + 1), j)) % mod;
	return res;
}

void upd(int v, int l, int r, int i, int j, char val)
{
    push(v, l, r);
    if (i > j)
		return;
    if (l == i && r == j)
    {
        d[v] = val;
        push(v, l, r);
        return;
    }
    int mid = (l + r) / 2;
    upd(2 * v, l, mid, i, min(j, mid), val);
    upd(2 * v + 1, mid + 1, r, max(i, mid + 1), j, val);
    t[v] = (t[2 * v] + t[2 * v + 1]) % mod;
}

void solve()
{
    cin >> n;
    cin >> s[1] >> s[2] >> s[3];
    s[1] = norm(s[1]);
    s[2] = norm(s[2]);
    s[3] = norm(s[3]);

    hashInit();

    for (int i = 1; i <= 3; i++)
        for (int j = 1; j <= 3; j++)
            for (int k = 1; k <= 3; k++)
                used[getHash(crossing(crossing(s[i], s[j]), s[k]))] = 1;

    cin >> q;

    cin >> s[0];
    s[0] = norm(s[0]);

    build(1, 0, n - 1);

    if (used[t[1]])
		cout << "Yes\n";
	else
		cout << "No\n";

    for (int i = 1; i <= q; i++)
    {
        int l, r;
        char c;
        cin >> l >> r >> c;
        if(c == 'J')
            c = '1';
		else if(c == 'O')
            c = '2';
        else
            c = '3';

        upd(1, 0, n - 1, l - 1, r - 1, c);

        if (used[t[1]])
            cout << "Yes\n";
		else
			cout << "No\n";
    }
}


int main()
{
    fastIO;
    int T = 1;
    //cin >> T;
    while (T--)
    {
        solve();
    }

    return 0;
}

/*


*/

Compilation message

Main.cpp: In function 'std::string crossing(std::string, std::string)':
Main.cpp:39:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for (int i = 0; i < a.length(); i++)
      |                     ~~^~~~~~~~~~~~
Main.cpp: In function 'std::string norm(std::string)':
Main.cpp:50:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for (int i = 0; i < s.length(); i++)
      |                     ~~^~~~~~~~~~~~
Main.cpp: In function 'long long int getHash(std::string)':
Main.cpp:90:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |  for(int i = 0; i < s.length(); i++)
      |                 ~~^~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 25928 KB Output is correct
2 Correct 138 ms 26812 KB Output is correct
3 Correct 117 ms 20216 KB Output is correct
4 Correct 146 ms 26756 KB Output is correct
5 Correct 136 ms 26864 KB Output is correct
6 Correct 137 ms 26024 KB Output is correct
7 Correct 146 ms 26332 KB Output is correct
8 Correct 174 ms 27116 KB Output is correct
9 Correct 144 ms 26744 KB Output is correct
10 Correct 168 ms 28108 KB Output is correct
11 Correct 156 ms 27320 KB Output is correct
12 Correct 179 ms 28064 KB Output is correct
13 Correct 190 ms 27424 KB Output is correct
14 Correct 208 ms 28196 KB Output is correct
15 Correct 164 ms 27316 KB Output is correct
16 Correct 145 ms 28108 KB Output is correct
17 Correct 165 ms 27436 KB Output is correct
18 Correct 114 ms 18480 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 25928 KB Output is correct
2 Correct 138 ms 26812 KB Output is correct
3 Correct 117 ms 20216 KB Output is correct
4 Correct 146 ms 26756 KB Output is correct
5 Correct 136 ms 26864 KB Output is correct
6 Correct 137 ms 26024 KB Output is correct
7 Correct 146 ms 26332 KB Output is correct
8 Correct 174 ms 27116 KB Output is correct
9 Correct 144 ms 26744 KB Output is correct
10 Correct 168 ms 28108 KB Output is correct
11 Correct 156 ms 27320 KB Output is correct
12 Correct 179 ms 28064 KB Output is correct
13 Correct 190 ms 27424 KB Output is correct
14 Correct 208 ms 28196 KB Output is correct
15 Correct 164 ms 27316 KB Output is correct
16 Correct 145 ms 28108 KB Output is correct
17 Correct 165 ms 27436 KB Output is correct
18 Correct 114 ms 18480 KB Output is correct
19 Correct 506 ms 37992 KB Output is correct
20 Correct 433 ms 38684 KB Output is correct
21 Correct 323 ms 39204 KB Output is correct
22 Correct 228 ms 36452 KB Output is correct
23 Correct 171 ms 29656 KB Output is correct
24 Correct 218 ms 28444 KB Output is correct
25 Correct 334 ms 40356 KB Output is correct
26 Correct 375 ms 38428 KB Output is correct
27 Correct 314 ms 40744 KB Output is correct
28 Correct 349 ms 38324 KB Output is correct
29 Correct 276 ms 40256 KB Output is correct
30 Correct 199 ms 29644 KB Output is correct
31 Correct 301 ms 40708 KB Output is correct
32 Correct 286 ms 37492 KB Output is correct
33 Correct 169 ms 28348 KB Output is correct
34 Correct 283 ms 38348 KB Output is correct
35 Correct 285 ms 36752 KB Output is correct
36 Correct 162 ms 28428 KB Output is correct
37 Correct 160 ms 28376 KB Output is correct
38 Correct 244 ms 36120 KB Output is correct
39 Correct 188 ms 34616 KB Output is correct
40 Correct 238 ms 33936 KB Output is correct
41 Correct 219 ms 29264 KB Output is correct
42 Correct 73 ms 29216 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 25928 KB Output is correct
2 Correct 138 ms 26812 KB Output is correct
3 Correct 117 ms 20216 KB Output is correct
4 Correct 146 ms 26756 KB Output is correct
5 Correct 136 ms 26864 KB Output is correct
6 Correct 137 ms 26024 KB Output is correct
7 Correct 146 ms 26332 KB Output is correct
8 Correct 174 ms 27116 KB Output is correct
9 Correct 144 ms 26744 KB Output is correct
10 Correct 168 ms 28108 KB Output is correct
11 Correct 156 ms 27320 KB Output is correct
12 Correct 179 ms 28064 KB Output is correct
13 Correct 190 ms 27424 KB Output is correct
14 Correct 208 ms 28196 KB Output is correct
15 Correct 164 ms 27316 KB Output is correct
16 Correct 145 ms 28108 KB Output is correct
17 Correct 165 ms 27436 KB Output is correct
18 Correct 114 ms 18480 KB Output is correct
19 Correct 119 ms 26188 KB Output is correct
20 Correct 103 ms 20212 KB Output is correct
21 Correct 132 ms 27480 KB Output is correct
22 Correct 118 ms 25584 KB Output is correct
23 Correct 152 ms 27600 KB Output is correct
24 Correct 117 ms 26444 KB Output is correct
25 Correct 130 ms 27500 KB Output is correct
26 Correct 118 ms 26140 KB Output is correct
27 Correct 128 ms 27536 KB Output is correct
28 Correct 117 ms 26452 KB Output is correct
29 Correct 122 ms 26868 KB Output is correct
30 Correct 140 ms 25960 KB Output is correct
31 Correct 130 ms 27756 KB Output is correct
32 Correct 133 ms 27596 KB Output is correct
33 Correct 123 ms 27172 KB Output is correct
34 Correct 112 ms 26244 KB Output is correct
35 Correct 143 ms 28144 KB Output is correct
36 Correct 124 ms 27344 KB Output is correct
37 Correct 141 ms 28172 KB Output is correct
38 Correct 129 ms 27392 KB Output is correct
39 Correct 130 ms 28108 KB Output is correct
40 Correct 136 ms 27372 KB Output is correct
41 Correct 144 ms 28088 KB Output is correct
42 Correct 126 ms 27416 KB Output is correct
43 Correct 117 ms 26708 KB Output is correct
44 Correct 128 ms 27140 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 25928 KB Output is correct
2 Correct 138 ms 26812 KB Output is correct
3 Correct 117 ms 20216 KB Output is correct
4 Correct 146 ms 26756 KB Output is correct
5 Correct 136 ms 26864 KB Output is correct
6 Correct 137 ms 26024 KB Output is correct
7 Correct 146 ms 26332 KB Output is correct
8 Correct 174 ms 27116 KB Output is correct
9 Correct 144 ms 26744 KB Output is correct
10 Correct 168 ms 28108 KB Output is correct
11 Correct 156 ms 27320 KB Output is correct
12 Correct 179 ms 28064 KB Output is correct
13 Correct 190 ms 27424 KB Output is correct
14 Correct 208 ms 28196 KB Output is correct
15 Correct 164 ms 27316 KB Output is correct
16 Correct 145 ms 28108 KB Output is correct
17 Correct 165 ms 27436 KB Output is correct
18 Correct 114 ms 18480 KB Output is correct
19 Correct 506 ms 37992 KB Output is correct
20 Correct 433 ms 38684 KB Output is correct
21 Correct 323 ms 39204 KB Output is correct
22 Correct 228 ms 36452 KB Output is correct
23 Correct 171 ms 29656 KB Output is correct
24 Correct 218 ms 28444 KB Output is correct
25 Correct 334 ms 40356 KB Output is correct
26 Correct 375 ms 38428 KB Output is correct
27 Correct 314 ms 40744 KB Output is correct
28 Correct 349 ms 38324 KB Output is correct
29 Correct 276 ms 40256 KB Output is correct
30 Correct 199 ms 29644 KB Output is correct
31 Correct 301 ms 40708 KB Output is correct
32 Correct 286 ms 37492 KB Output is correct
33 Correct 169 ms 28348 KB Output is correct
34 Correct 283 ms 38348 KB Output is correct
35 Correct 285 ms 36752 KB Output is correct
36 Correct 162 ms 28428 KB Output is correct
37 Correct 160 ms 28376 KB Output is correct
38 Correct 244 ms 36120 KB Output is correct
39 Correct 188 ms 34616 KB Output is correct
40 Correct 238 ms 33936 KB Output is correct
41 Correct 219 ms 29264 KB Output is correct
42 Correct 73 ms 29216 KB Output is correct
43 Correct 119 ms 26188 KB Output is correct
44 Correct 103 ms 20212 KB Output is correct
45 Correct 132 ms 27480 KB Output is correct
46 Correct 118 ms 25584 KB Output is correct
47 Correct 152 ms 27600 KB Output is correct
48 Correct 117 ms 26444 KB Output is correct
49 Correct 130 ms 27500 KB Output is correct
50 Correct 118 ms 26140 KB Output is correct
51 Correct 128 ms 27536 KB Output is correct
52 Correct 117 ms 26452 KB Output is correct
53 Correct 122 ms 26868 KB Output is correct
54 Correct 140 ms 25960 KB Output is correct
55 Correct 130 ms 27756 KB Output is correct
56 Correct 133 ms 27596 KB Output is correct
57 Correct 123 ms 27172 KB Output is correct
58 Correct 112 ms 26244 KB Output is correct
59 Correct 143 ms 28144 KB Output is correct
60 Correct 124 ms 27344 KB Output is correct
61 Correct 141 ms 28172 KB Output is correct
62 Correct 129 ms 27392 KB Output is correct
63 Correct 130 ms 28108 KB Output is correct
64 Correct 136 ms 27372 KB Output is correct
65 Correct 144 ms 28088 KB Output is correct
66 Correct 126 ms 27416 KB Output is correct
67 Correct 117 ms 26708 KB Output is correct
68 Correct 128 ms 27140 KB Output is correct
69 Correct 318 ms 35856 KB Output is correct
70 Correct 322 ms 38816 KB Output is correct
71 Correct 164 ms 28548 KB Output is correct
72 Correct 177 ms 28508 KB Output is correct
73 Correct 160 ms 28488 KB Output is correct
74 Correct 272 ms 37852 KB Output is correct
75 Correct 202 ms 29676 KB Output is correct
76 Correct 378 ms 40396 KB Output is correct
77 Correct 262 ms 36632 KB Output is correct
78 Correct 166 ms 28456 KB Output is correct
79 Correct 181 ms 28564 KB Output is correct
80 Correct 284 ms 36736 KB Output is correct
81 Correct 194 ms 29772 KB Output is correct
82 Correct 347 ms 40388 KB Output is correct
83 Correct 273 ms 37644 KB Output is correct
84 Correct 171 ms 28600 KB Output is correct
85 Correct 183 ms 28924 KB Output is correct
86 Correct 305 ms 36876 KB Output is correct
87 Correct 330 ms 39316 KB Output is correct
88 Correct 223 ms 28620 KB Output is correct
89 Correct 249 ms 37144 KB Output is correct
90 Correct 304 ms 39568 KB Output is correct
91 Correct 184 ms 28760 KB Output is correct
92 Correct 251 ms 37644 KB Output is correct
93 Correct 166 ms 29308 KB Output is correct
94 Correct 173 ms 29424 KB Output is correct
95 Correct 165 ms 29348 KB Output is correct
96 Correct 256 ms 36900 KB Output is correct
97 Correct 190 ms 36880 KB Output is correct
98 Correct 260 ms 34912 KB Output is correct
99 Correct 276 ms 30076 KB Output is correct
100 Correct 98 ms 30048 KB Output is correct