oj.uz

Submission #881464

# Submission time Handle Problem Language Result Execution time Memory
881464 2023-12-01T09:13:32 Z Iliya_ Crossing (JOI21_crossing) C++14
100 / 100
 363 ms 24092 KB 
//IN THE NAME OF GOD
#include<bits/stdc++.h>
#pragma GCC optimize("O2,unroll-loops")
#define endl        '\n'
#define F           first
#define S           second
#define pii         pair<int,int>
#define all(x)      x.begin(),x.end()
#define pb          push_back
#define fastio      ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;
typedef long long ll; 
typedef long double dll;

#define int long long
const int N = 2e5+7, mod = 1e9+7, base = 73;
string a[3], t;  
set<int> s; 
int n, pw[N], seg[N<<2], dp[N];
pair<int,char> lz[N<<2];

int hashing(string s){
     int ans = 0;
     for(int i=0; i<ll(s.size()); i++) ans = ans * base % mod + (s[i]-'A'+1);
     return ans; 
}

string merge(string a, string b){
     string make = "";
     for(int i=0; i<ll(a.size()); i++){
          if (a[i] == b[i]) make += a[i]; 
          else{
               if ((a[i] == 'O' && b[i] == 'J') || (a[i] == 'J' && b[i] == 'O')) make+='I';
               if ((a[i] == 'O' && b[i] == 'I') || (a[i] == 'I' && b[i] == 'O')) make+='J';
               if ((a[i] == 'I' && b[i] == 'J') || (a[i] == 'J' && b[i] == 'I')) make+='O';
          }
     }
     return make;   
}

void build(int ind, int l, int r){ 
     if (l == r){
          int ans = 0; 
          for(int i=l; i<=r; i++) ans = (ans + (t[i]-'A'+1) * pw[n-1-i] % mod) % mod;
          seg[ind] = ans;
          return; 
     }
     int mid = (l+r)>>1;
     build(2*ind,l,mid);
     build(2*ind+1,mid+1,r); 
     seg[ind] += (seg[2*ind] + seg[2*ind+1]) % mod;
}

void shift(int ind, int l, int r){
     if (!lz[ind].F) return;
     int en = n-l-1, st = n-1-r; 
     int maj = dp[en] - (st == 0 ? 0 : dp[st-1]) + mod; 
     maj %= mod; 
     seg[ind] = (lz[ind].S-'A'+1) * maj % mod; 
     if (l != r){
          lz[2*ind] = lz[ind]; 
          lz[2*ind+1] = lz[ind]; 
     }
     lz[ind].F = 0;
}

void upd(int ind, int l, int r, int st, int en, char c){
     shift(ind,l,r);
     if (l > en || st > r) return; 
     if (l == r || (l >= st && r <= en)){
          int en = n-l-1, st = n-1-r; 
          int maj = dp[en] - (st == 0 ? 0 : dp[st-1]) + mod; 
          maj %= mod; 
          seg[ind] = (c-'A'+1) * maj % mod; 
          if (l != r){
               lz[2*ind] = {1,c}; 
               lz[2*ind+1] = {1,c}; 
          }
          return;
     }
     int mid = (l+r)>>1;
     upd(2*ind,l,mid,st,en,c);
     upd(2*ind+1,mid+1,r,st,en,c); 
     seg[ind] = (seg[2*ind]+seg[2*ind+1])%mod;
}

int32_t main(){
     fastio;

     pw[0] = dp[0] = 1;
     for(int i=1; i<N; i++){
          pw[i] = pw[i-1] * base % mod; 
          dp[i] = (dp[i-1] + pw[i]) % mod; 
     }
     cin >> n; 
     cin >> a[0] >> a[1] >> a[2];  
     s.insert(hashing(a[0])); 
     s.insert(hashing(a[1])); 
     s.insert(hashing(a[2]));
     for(int i=0; i<3; i++)for(int j=0; j<3; j++) if (i != j) s.insert(hashing(merge(a[i],a[j]))); 
     for(int i=0; i<3; i++){
          for(int j=0; j<3; j++){
               if (i == j) continue; 
               for(int k =0; k<3; k++){
                    if (k == i || k == j) continue; 
                    s.insert(hashing(merge(merge(a[i],a[j]),a[k])));
               }
          }
     }
     int q; cin >> q; 
     cin >> t; 
     build(1,0,n-1); 
     if (s.find(seg[1]) != s.end()) cout << "Yes" << endl; 
     else cout << "No" << endl;
     while(q--){
          int l,r; cin >> l >> r; l--; r--;
          char c; cin >> c; 
          upd(1,0,n-1,l,r,c); 
          if (s.find(seg[1]) != s.end()) cout << "Yes" << endl; 
          else cout << "No" << endl;
     }

     return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 7508 KB Output is correct
2 Correct 74 ms 7892 KB Output is correct
3 Correct 72 ms 7764 KB Output is correct
4 Correct 57 ms 7624 KB Output is correct
5 Correct 56 ms 7760 KB Output is correct
6 Correct 57 ms 7764 KB Output is correct
7 Correct 57 ms 7764 KB Output is correct
8 Correct 66 ms 7848 KB Output is correct
9 Correct 59 ms 7908 KB Output is correct
10 Correct 72 ms 7844 KB Output is correct
11 Correct 62 ms 7764 KB Output is correct
12 Correct 59 ms 7732 KB Output is correct
13 Correct 60 ms 7760 KB Output is correct
14 Correct 61 ms 7888 KB Output is correct
15 Correct 60 ms 7760 KB Output is correct
16 Correct 58 ms 7764 KB Output is correct
17 Correct 60 ms 7896 KB Output is correct
18 Correct 65 ms 7804 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 7508 KB Output is correct
2 Correct 74 ms 7892 KB Output is correct
3 Correct 72 ms 7764 KB Output is correct
4 Correct 57 ms 7624 KB Output is correct
5 Correct 56 ms 7760 KB Output is correct
6 Correct 57 ms 7764 KB Output is correct
7 Correct 57 ms 7764 KB Output is correct
8 Correct 66 ms 7848 KB Output is correct
9 Correct 59 ms 7908 KB Output is correct
10 Correct 72 ms 7844 KB Output is correct
11 Correct 62 ms 7764 KB Output is correct
12 Correct 59 ms 7732 KB Output is correct
13 Correct 60 ms 7760 KB Output is correct
14 Correct 61 ms 7888 KB Output is correct
15 Correct 60 ms 7760 KB Output is correct
16 Correct 58 ms 7764 KB Output is correct
17 Correct 60 ms 7896 KB Output is correct
18 Correct 65 ms 7804 KB Output is correct
19 Correct 242 ms 23688 KB Output is correct
20 Correct 236 ms 17064 KB Output is correct
21 Correct 143 ms 23324 KB Output is correct
22 Correct 162 ms 23476 KB Output is correct
23 Correct 92 ms 11056 KB Output is correct
24 Correct 97 ms 10836 KB Output is correct
25 Correct 151 ms 23616 KB Output is correct
26 Correct 179 ms 23968 KB Output is correct
27 Correct 195 ms 23732 KB Output is correct
28 Correct 181 ms 23664 KB Output is correct
29 Correct 167 ms 23288 KB Output is correct
30 Correct 110 ms 11044 KB Output is correct
31 Correct 203 ms 23828 KB Output is correct
32 Correct 173 ms 23736 KB Output is correct
33 Correct 99 ms 10916 KB Output is correct
34 Correct 205 ms 23792 KB Output is correct
35 Correct 128 ms 22920 KB Output is correct
36 Correct 90 ms 10996 KB Output is correct
37 Correct 102 ms 10836 KB Output is correct
38 Correct 202 ms 18572 KB Output is correct
39 Correct 119 ms 17544 KB Output is correct
40 Correct 137 ms 16824 KB Output is correct
41 Correct 249 ms 23944 KB Output is correct
42 Correct 66 ms 14708 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 7508 KB Output is correct
2 Correct 74 ms 7892 KB Output is correct
3 Correct 72 ms 7764 KB Output is correct
4 Correct 57 ms 7624 KB Output is correct
5 Correct 56 ms 7760 KB Output is correct
6 Correct 57 ms 7764 KB Output is correct
7 Correct 57 ms 7764 KB Output is correct
8 Correct 66 ms 7848 KB Output is correct
9 Correct 59 ms 7908 KB Output is correct
10 Correct 72 ms 7844 KB Output is correct
11 Correct 62 ms 7764 KB Output is correct
12 Correct 59 ms 7732 KB Output is correct
13 Correct 60 ms 7760 KB Output is correct
14 Correct 61 ms 7888 KB Output is correct
15 Correct 60 ms 7760 KB Output is correct
16 Correct 58 ms 7764 KB Output is correct
17 Correct 60 ms 7896 KB Output is correct
18 Correct 65 ms 7804 KB Output is correct
19 Correct 69 ms 7800 KB Output is correct
20 Correct 74 ms 7760 KB Output is correct
21 Correct 66 ms 7840 KB Output is correct
22 Correct 54 ms 7584 KB Output is correct
23 Correct 67 ms 7732 KB Output is correct
24 Correct 58 ms 7764 KB Output is correct
25 Correct 60 ms 7696 KB Output is correct
26 Correct 56 ms 7764 KB Output is correct
27 Correct 60 ms 7844 KB Output is correct
28 Correct 68 ms 7732 KB Output is correct
29 Correct 62 ms 7764 KB Output is correct
30 Correct 54 ms 7508 KB Output is correct
31 Correct 62 ms 7992 KB Output is correct
32 Correct 62 ms 7764 KB Output is correct
33 Correct 66 ms 7680 KB Output is correct
34 Correct 57 ms 7620 KB Output is correct
35 Correct 63 ms 7892 KB Output is correct
36 Correct 62 ms 7744 KB Output is correct
37 Correct 78 ms 7692 KB Output is correct
38 Correct 64 ms 7712 KB Output is correct
39 Correct 68 ms 7700 KB Output is correct
40 Correct 63 ms 8016 KB Output is correct
41 Correct 62 ms 7764 KB Output is correct
42 Correct 70 ms 8280 KB Output is correct
43 Correct 60 ms 7760 KB Output is correct
44 Correct 81 ms 7672 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 7508 KB Output is correct
2 Correct 74 ms 7892 KB Output is correct
3 Correct 72 ms 7764 KB Output is correct
4 Correct 57 ms 7624 KB Output is correct
5 Correct 56 ms 7760 KB Output is correct
6 Correct 57 ms 7764 KB Output is correct
7 Correct 57 ms 7764 KB Output is correct
8 Correct 66 ms 7848 KB Output is correct
9 Correct 59 ms 7908 KB Output is correct
10 Correct 72 ms 7844 KB Output is correct
11 Correct 62 ms 7764 KB Output is correct
12 Correct 59 ms 7732 KB Output is correct
13 Correct 60 ms 7760 KB Output is correct
14 Correct 61 ms 7888 KB Output is correct
15 Correct 60 ms 7760 KB Output is correct
16 Correct 58 ms 7764 KB Output is correct
17 Correct 60 ms 7896 KB Output is correct
18 Correct 65 ms 7804 KB Output is correct
19 Correct 242 ms 23688 KB Output is correct
20 Correct 236 ms 17064 KB Output is correct
21 Correct 143 ms 23324 KB Output is correct
22 Correct 162 ms 23476 KB Output is correct
23 Correct 92 ms 11056 KB Output is correct
24 Correct 97 ms 10836 KB Output is correct
25 Correct 151 ms 23616 KB Output is correct
26 Correct 179 ms 23968 KB Output is correct
27 Correct 195 ms 23732 KB Output is correct
28 Correct 181 ms 23664 KB Output is correct
29 Correct 167 ms 23288 KB Output is correct
30 Correct 110 ms 11044 KB Output is correct
31 Correct 203 ms 23828 KB Output is correct
32 Correct 173 ms 23736 KB Output is correct
33 Correct 99 ms 10916 KB Output is correct
34 Correct 205 ms 23792 KB Output is correct
35 Correct 128 ms 22920 KB Output is correct
36 Correct 90 ms 10996 KB Output is correct
37 Correct 102 ms 10836 KB Output is correct
38 Correct 202 ms 18572 KB Output is correct
39 Correct 119 ms 17544 KB Output is correct
40 Correct 137 ms 16824 KB Output is correct
41 Correct 249 ms 23944 KB Output is correct
42 Correct 66 ms 14708 KB Output is correct
43 Correct 69 ms 7800 KB Output is correct
44 Correct 74 ms 7760 KB Output is correct
45 Correct 66 ms 7840 KB Output is correct
46 Correct 54 ms 7584 KB Output is correct
47 Correct 67 ms 7732 KB Output is correct
48 Correct 58 ms 7764 KB Output is correct
49 Correct 60 ms 7696 KB Output is correct
50 Correct 56 ms 7764 KB Output is correct
51 Correct 60 ms 7844 KB Output is correct
52 Correct 68 ms 7732 KB Output is correct
53 Correct 62 ms 7764 KB Output is correct
54 Correct 54 ms 7508 KB Output is correct
55 Correct 62 ms 7992 KB Output is correct
56 Correct 62 ms 7764 KB Output is correct
57 Correct 66 ms 7680 KB Output is correct
58 Correct 57 ms 7620 KB Output is correct
59 Correct 63 ms 7892 KB Output is correct
60 Correct 62 ms 7744 KB Output is correct
61 Correct 78 ms 7692 KB Output is correct
62 Correct 64 ms 7712 KB Output is correct
63 Correct 68 ms 7700 KB Output is correct
64 Correct 63 ms 8016 KB Output is correct
65 Correct 62 ms 7764 KB Output is correct
66 Correct 70 ms 8280 KB Output is correct
67 Correct 60 ms 7760 KB Output is correct
68 Correct 81 ms 7672 KB Output is correct
69 Correct 248 ms 23020 KB Output is correct
70 Correct 261 ms 18556 KB Output is correct
71 Correct 105 ms 10832 KB Output is correct
72 Correct 95 ms 10848 KB Output is correct
73 Correct 98 ms 10832 KB Output is correct
74 Correct 157 ms 23192 KB Output is correct
75 Correct 94 ms 10920 KB Output is correct
76 Correct 179 ms 23680 KB Output is correct
77 Correct 177 ms 23352 KB Output is correct
78 Correct 97 ms 10836 KB Output is correct
79 Correct 97 ms 10832 KB Output is correct
80 Correct 157 ms 22892 KB Output is correct
81 Correct 100 ms 10864 KB Output is correct
82 Correct 222 ms 23720 KB Output is correct
83 Correct 194 ms 24092 KB Output is correct
84 Correct 97 ms 10872 KB Output is correct
85 Correct 102 ms 11020 KB Output is correct
86 Correct 163 ms 23120 KB Output is correct
87 Correct 182 ms 23808 KB Output is correct
88 Correct 114 ms 10924 KB Output is correct
89 Correct 171 ms 23304 KB Output is correct
90 Correct 176 ms 23672 KB Output is correct
91 Correct 104 ms 10888 KB Output is correct
92 Correct 166 ms 23048 KB Output is correct
93 Correct 108 ms 10836 KB Output is correct
94 Correct 98 ms 10840 KB Output is correct
95 Correct 98 ms 10828 KB Output is correct
96 Correct 205 ms 23504 KB Output is correct
97 Correct 124 ms 17612 KB Output is correct
98 Correct 155 ms 17056 KB Output is correct
99 Correct 363 ms 23956 KB Output is correct
100 Correct 94 ms 14940 KB Output is correct