oj.uz

Submission #533421

# Submission time Handle Problem Language Result Execution time Memory
533421 2022-03-06T03:09:47 Z Marslai24 Crossing (JOI21_crossing) C++17
100 / 100
 303 ms 31500 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long // a.k.a. TLE creator
#define all(x) x.begin(), x.end()
template<class A, class B> istream& operator >>(istream &o, pair<A, B> &x){return o >> x.first >> x.second;}
template<class A, class B> ostream& operator <<(ostream &o, pair<A, B> &x){return o << x.first << ' ' << x.second << ' ';}
void setIO(){ios::sync_with_stdio(false); cin.tie(0);}
const int INF = 2e18, MOD = 998244353, N = 2e5 + 2;

int pw[N]{}, p = 9973;

void init(){
    pw[0] = 1;
    for(int i = 1; i < N; i++)pw[i] = pw[i - 1] * p % MOD;
}

struct Hash{
    vector<int> h;
    Hash(string s){
        h.resize(s.size() + 1);
        for(int i = 0; i < s.size(); i++){
            h[i + 1] = (h[i] * p + s[i]) % MOD;
        }
    }
    int get(int l, int r){
        int ans = h[r + 1] - h[l] * pw[r - l + 1] % MOD;
        if(ans < 0)ans += MOD;
        return ans;
    }
}J(string(N, 'J')), O(string(N, 'O')), I(string(N, 'I'));

int get(char c, int sz){
    if(c == 'J')return J.get(0, sz - 1);
    else if(c == 'O')return O.get(0, sz - 1);
    else return I.get(0, sz - 1);
}

#define lc (p << 1)
#define rc (p << 1 | 1)

struct node{
    int h, sz;
    char lz = 'a';
    void push(char c){
        lz = c;
        h = get(c, sz);
    }
}seg[N << 2];

void pull(int p){seg[p].h = (seg[lc].h * pw[seg[rc].sz] + seg[rc].h) % MOD;}

void push(int p){
    if(seg[p].lz != 'a'){
        char &c = seg[p].lz;
        seg[lc].push(c);
        seg[rc].push(c);
        c = 'a';
    }
}

string t;
int n;

void build(int p = 1, int l = 0, int r = n){
    seg[p].sz = r - l;
    if(r - l == 1)return void(seg[p].h = t[l]);
    int m = l + r >> 1;
    build(lc, l, m);
    build(rc, m, r);
    pull(p);
}

void chg(int a, int b, char c, int p = 1, int l = 0, int r = n){
    if(a <= l && b >= r)return void(seg[p].push(c));
    push(p);
    int m = l + r >> 1;
    if(a < m)chg(a, b, c, lc, l, m);
    if(b > m)chg(a, b, c, rc, m, r);
    pull(p);
}

int qry(){return seg[1].h;}

vector<int> val;

bool good(int h){
    for(int i : val)if(i == h)return true;
    return false;
}

string joi = "JOI";

string cross(string i, string j){
    string ans(i.size(), 'a');
    for(int k = 0; k < n; k++){
        if(i[k] != j[k]){
            for(char c : joi)if(i[k] != c && j[k] != c){
                ans[k] = c;
                break;
            }
        }else ans[k] = i[k];
    }
    return ans;
}

int oneHash(string s){
    int v = 0;
    for(int j = 0; j < n; j++){
        v = (v * p + s[j]) % MOD;
    }
    return v;
}

signed main(){
    setIO();
    init();
    cin >> n;
    string s[3];
    for(auto &i : s)cin >> i;
    val.push_back(oneHash(s[0]));
    val.push_back(oneHash(s[1]));
    val.push_back(oneHash(s[2]));
    val.push_back(oneHash(cross(s[0], s[1])));
    val.push_back(oneHash(cross(s[0], s[2])));
    val.push_back(oneHash(cross(s[1], s[2])));
    val.push_back(oneHash(cross(s[0], cross(s[1], s[2]))));
    val.push_back(oneHash(cross(s[1], cross(s[0], s[2]))));
    val.push_back(oneHash(cross(s[2], cross(s[0], s[1]))));
    int q;
    cin >> q >> t;
    build();
    cout << (good(qry()) ? "Yes\n" : "No\n");
    for(int i = 0; i < q; i++){
        int l, r;
        char c;
        cin >> l >> r >> c;
        --l;
        chg(l, r, c);
        cout << (good(qry()) ? "Yes\n" : "No\n");
    }
}

Compilation message

Main.cpp: In constructor 'Hash::Hash(std::string)':
Main.cpp:21:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         for(int i = 0; i < s.size(); i++){
      |                        ~~^~~~~~~~~~
Main.cpp: In function 'void build(long long int, long long int, long long int)':
Main.cpp:67:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   67 |     int m = l + r >> 1;
      |             ~~^~~
Main.cpp: In function 'void chg(long long int, long long int, char, long long int, long long int, long long int)':
Main.cpp:76:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   76 |     int m = l + r >> 1;
      |             ~~^~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 27392 KB Output is correct
2 Correct 98 ms 27580 KB Output is correct
3 Correct 81 ms 27500 KB Output is correct
4 Correct 80 ms 27460 KB Output is correct
5 Correct 70 ms 27456 KB Output is correct
6 Correct 78 ms 27400 KB Output is correct
7 Correct 85 ms 27568 KB Output is correct
8 Correct 77 ms 27564 KB Output is correct
9 Correct 89 ms 27616 KB Output is correct
10 Correct 92 ms 27712 KB Output is correct
11 Correct 75 ms 27604 KB Output is correct
12 Correct 74 ms 27584 KB Output is correct
13 Correct 74 ms 27620 KB Output is correct
14 Correct 103 ms 27644 KB Output is correct
15 Correct 99 ms 27572 KB Output is correct
16 Correct 72 ms 27556 KB Output is correct
17 Correct 77 ms 27636 KB Output is correct
18 Correct 106 ms 27464 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 27392 KB Output is correct
2 Correct 98 ms 27580 KB Output is correct
3 Correct 81 ms 27500 KB Output is correct
4 Correct 80 ms 27460 KB Output is correct
5 Correct 70 ms 27456 KB Output is correct
6 Correct 78 ms 27400 KB Output is correct
7 Correct 85 ms 27568 KB Output is correct
8 Correct 77 ms 27564 KB Output is correct
9 Correct 89 ms 27616 KB Output is correct
10 Correct 92 ms 27712 KB Output is correct
11 Correct 75 ms 27604 KB Output is correct
12 Correct 74 ms 27584 KB Output is correct
13 Correct 74 ms 27620 KB Output is correct
14 Correct 103 ms 27644 KB Output is correct
15 Correct 99 ms 27572 KB Output is correct
16 Correct 72 ms 27556 KB Output is correct
17 Correct 77 ms 27636 KB Output is correct
18 Correct 106 ms 27464 KB Output is correct
19 Correct 232 ms 31364 KB Output is correct
20 Correct 237 ms 31208 KB Output is correct
21 Correct 158 ms 31140 KB Output is correct
22 Correct 157 ms 30400 KB Output is correct
23 Correct 137 ms 28492 KB Output is correct
24 Correct 124 ms 28468 KB Output is correct
25 Correct 162 ms 31304 KB Output is correct
26 Correct 193 ms 31336 KB Output is correct
27 Correct 189 ms 31484 KB Output is correct
28 Correct 188 ms 31316 KB Output is correct
29 Correct 213 ms 31128 KB Output is correct
30 Correct 130 ms 28528 KB Output is correct
31 Correct 176 ms 31360 KB Output is correct
32 Correct 197 ms 30572 KB Output is correct
33 Correct 126 ms 28552 KB Output is correct
34 Correct 210 ms 31312 KB Output is correct
35 Correct 160 ms 30372 KB Output is correct
36 Correct 125 ms 28572 KB Output is correct
37 Correct 111 ms 28468 KB Output is correct
38 Correct 270 ms 31084 KB Output is correct
39 Correct 137 ms 31296 KB Output is correct
40 Correct 179 ms 30440 KB Output is correct
41 Correct 265 ms 31500 KB Output is correct
42 Correct 65 ms 30720 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 27392 KB Output is correct
2 Correct 98 ms 27580 KB Output is correct
3 Correct 81 ms 27500 KB Output is correct
4 Correct 80 ms 27460 KB Output is correct
5 Correct 70 ms 27456 KB Output is correct
6 Correct 78 ms 27400 KB Output is correct
7 Correct 85 ms 27568 KB Output is correct
8 Correct 77 ms 27564 KB Output is correct
9 Correct 89 ms 27616 KB Output is correct
10 Correct 92 ms 27712 KB Output is correct
11 Correct 75 ms 27604 KB Output is correct
12 Correct 74 ms 27584 KB Output is correct
13 Correct 74 ms 27620 KB Output is correct
14 Correct 103 ms 27644 KB Output is correct
15 Correct 99 ms 27572 KB Output is correct
16 Correct 72 ms 27556 KB Output is correct
17 Correct 77 ms 27636 KB Output is correct
18 Correct 106 ms 27464 KB Output is correct
19 Correct 81 ms 27560 KB Output is correct
20 Correct 90 ms 27520 KB Output is correct
21 Correct 78 ms 27616 KB Output is correct
22 Correct 68 ms 27436 KB Output is correct
23 Correct 79 ms 27648 KB Output is correct
24 Correct 78 ms 27516 KB Output is correct
25 Correct 83 ms 27540 KB Output is correct
26 Correct 78 ms 27472 KB Output is correct
27 Correct 82 ms 27564 KB Output is correct
28 Correct 86 ms 27432 KB Output is correct
29 Correct 75 ms 27604 KB Output is correct
30 Correct 76 ms 27456 KB Output is correct
31 Correct 100 ms 27624 KB Output is correct
32 Correct 75 ms 27520 KB Output is correct
33 Correct 73 ms 27644 KB Output is correct
34 Correct 69 ms 27444 KB Output is correct
35 Correct 84 ms 27552 KB Output is correct
36 Correct 82 ms 27532 KB Output is correct
37 Correct 73 ms 27644 KB Output is correct
38 Correct 76 ms 27624 KB Output is correct
39 Correct 79 ms 27560 KB Output is correct
40 Correct 88 ms 27548 KB Output is correct
41 Correct 73 ms 27628 KB Output is correct
42 Correct 79 ms 27620 KB Output is correct
43 Correct 84 ms 27484 KB Output is correct
44 Correct 98 ms 27604 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 27392 KB Output is correct
2 Correct 98 ms 27580 KB Output is correct
3 Correct 81 ms 27500 KB Output is correct
4 Correct 80 ms 27460 KB Output is correct
5 Correct 70 ms 27456 KB Output is correct
6 Correct 78 ms 27400 KB Output is correct
7 Correct 85 ms 27568 KB Output is correct
8 Correct 77 ms 27564 KB Output is correct
9 Correct 89 ms 27616 KB Output is correct
10 Correct 92 ms 27712 KB Output is correct
11 Correct 75 ms 27604 KB Output is correct
12 Correct 74 ms 27584 KB Output is correct
13 Correct 74 ms 27620 KB Output is correct
14 Correct 103 ms 27644 KB Output is correct
15 Correct 99 ms 27572 KB Output is correct
16 Correct 72 ms 27556 KB Output is correct
17 Correct 77 ms 27636 KB Output is correct
18 Correct 106 ms 27464 KB Output is correct
19 Correct 232 ms 31364 KB Output is correct
20 Correct 237 ms 31208 KB Output is correct
21 Correct 158 ms 31140 KB Output is correct
22 Correct 157 ms 30400 KB Output is correct
23 Correct 137 ms 28492 KB Output is correct
24 Correct 124 ms 28468 KB Output is correct
25 Correct 162 ms 31304 KB Output is correct
26 Correct 193 ms 31336 KB Output is correct
27 Correct 189 ms 31484 KB Output is correct
28 Correct 188 ms 31316 KB Output is correct
29 Correct 213 ms 31128 KB Output is correct
30 Correct 130 ms 28528 KB Output is correct
31 Correct 176 ms 31360 KB Output is correct
32 Correct 197 ms 30572 KB Output is correct
33 Correct 126 ms 28552 KB Output is correct
34 Correct 210 ms 31312 KB Output is correct
35 Correct 160 ms 30372 KB Output is correct
36 Correct 125 ms 28572 KB Output is correct
37 Correct 111 ms 28468 KB Output is correct
38 Correct 270 ms 31084 KB Output is correct
39 Correct 137 ms 31296 KB Output is correct
40 Correct 179 ms 30440 KB Output is correct
41 Correct 265 ms 31500 KB Output is correct
42 Correct 65 ms 30720 KB Output is correct
43 Correct 81 ms 27560 KB Output is correct
44 Correct 90 ms 27520 KB Output is correct
45 Correct 78 ms 27616 KB Output is correct
46 Correct 68 ms 27436 KB Output is correct
47 Correct 79 ms 27648 KB Output is correct
48 Correct 78 ms 27516 KB Output is correct
49 Correct 83 ms 27540 KB Output is correct
50 Correct 78 ms 27472 KB Output is correct
51 Correct 82 ms 27564 KB Output is correct
52 Correct 86 ms 27432 KB Output is correct
53 Correct 75 ms 27604 KB Output is correct
54 Correct 76 ms 27456 KB Output is correct
55 Correct 100 ms 27624 KB Output is correct
56 Correct 75 ms 27520 KB Output is correct
57 Correct 73 ms 27644 KB Output is correct
58 Correct 69 ms 27444 KB Output is correct
59 Correct 84 ms 27552 KB Output is correct
60 Correct 82 ms 27532 KB Output is correct
61 Correct 73 ms 27644 KB Output is correct
62 Correct 76 ms 27624 KB Output is correct
63 Correct 79 ms 27560 KB Output is correct
64 Correct 88 ms 27548 KB Output is correct
65 Correct 73 ms 27628 KB Output is correct
66 Correct 79 ms 27620 KB Output is correct
67 Correct 84 ms 27484 KB Output is correct
68 Correct 98 ms 27604 KB Output is correct
69 Correct 210 ms 30580 KB Output is correct
70 Correct 303 ms 31268 KB Output is correct
71 Correct 115 ms 28572 KB Output is correct
72 Correct 127 ms 28448 KB Output is correct
73 Correct 109 ms 28472 KB Output is correct
74 Correct 173 ms 30592 KB Output is correct
75 Correct 114 ms 28508 KB Output is correct
76 Correct 187 ms 31328 KB Output is correct
77 Correct 181 ms 30776 KB Output is correct
78 Correct 119 ms 28544 KB Output is correct
79 Correct 108 ms 28528 KB Output is correct
80 Correct 171 ms 30064 KB Output is correct
81 Correct 116 ms 28460 KB Output is correct
82 Correct 208 ms 31360 KB Output is correct
83 Correct 182 ms 31072 KB Output is correct
84 Correct 133 ms 28464 KB Output is correct
85 Correct 108 ms 28484 KB Output is correct
86 Correct 189 ms 30148 KB Output is correct
87 Correct 206 ms 31320 KB Output is correct
88 Correct 119 ms 28472 KB Output is correct
89 Correct 252 ms 30384 KB Output is correct
90 Correct 192 ms 31252 KB Output is correct
91 Correct 147 ms 28524 KB Output is correct
92 Correct 164 ms 30084 KB Output is correct
93 Correct 109 ms 28592 KB Output is correct
94 Correct 114 ms 28496 KB Output is correct
95 Correct 118 ms 28544 KB Output is correct
96 Correct 204 ms 31096 KB Output is correct
97 Correct 132 ms 31308 KB Output is correct
98 Correct 184 ms 30428 KB Output is correct
99 Correct 295 ms 31476 KB Output is correct
100 Correct 85 ms 30808 KB Output is correct