oj.uz

Submission #902569

# Submission time Handle Problem Language Result Execution time Memory
902569 2024-01-10T18:19:28 Z qin Crossing (JOI21_crossing) C++17
100 / 100
 944 ms 64224 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define ssize(x) int(x.size())
#define pn printf("\n")
#define all(x) x.begin(),x.end()
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
int inf = 2e09; ll infll = 2e18;
vector<string> get_strings(string &xx, string &y, string &z){
		string s[3] = {xx, y, z};
		int n = int(s[0].length());
		map<string, int> mp;
		queue<string> q;
		vector<string> ret;
		for(int l = 0; l < 3; ++l) mp[s[l]] = 1, q.emplace(s[l]), ret.emplace_back(s[l]);
		char t[3] = {'J', 'O', 'I'};
		int cnt = 0;
		while(!q.empty()){
				string x = q.front(); q.pop();
				string tt = ""; tt.resize(n);
				for(string &u : ret){
						for(int i = 0; i < n; ++i){
								if(x[i] == u[i]) tt[i] = x[i];
								else{
										int a, b;
										for(int j = 0; j < 3; ++j) if(t[j] == x[i]) a = j;
										for(int j = 0; j < 3; ++j) if(t[j] == u[i]) b = j;
										if(a && b) tt[i] = t[0];
										else if(max(a, b) > 1) tt[i] = t[1];
										else tt[i] = t[2];
								}
						}
						if(mp[tt] != 1) mp[tt] = 1, q.emplace(tt), ++cnt, ret.emplace_back(tt);//, cout << ":\n" << x << "\n" << u << "\n" << tt << "\n\n";
				}
				//~ cout << x << "\n";
		}
		return ret;
}
int base = 1;
ll mod = 998244353;
struct seg{
		vector<ll> t, p, tmp, powp;
		ll mul;
		ll r[256]; 
		void build(int i, int s, int e){
				for(int j = s; j <= e; ++j) tmp[i] = (tmp[i]+powp[j])%mod;
				int mid = (s+e)>>1;
				if(s != e) build(i<<1, s, mid), build(i<<1|1, mid+1, e);
		}
		
		void init(int n, ll m, string &s){
				r['J'] = 328336787, r['O'] = 760308421, r['I'] = 988411051;
				while(base < n) base <<= 1;
				t.resize(base<<1, 0), tmp.resize(base<<1, 0), powp.resize(base+1), p.resize(base<<1, 0);
				mul = m, powp[0] = 1;
				for(int i = 1; i <= base; ++i) powp[i] = powp[i-1]*mul%mod;
				build(1, 1, base);
				for(int i = 0; i < int(s.length()); ++i) t[i+base] = r[s[i]]*powp[i+1]%mod;
				for(int i = base-1; i; --i) t[i] = (t[i<<1]+t[i<<1|1])%mod;
		}
		
		void add(int i, ll pr){ t[i] = tmp[i]*pr%mod, p[i] = pr; }
		void push(int i){ if(p[i]) add(i<<1, p[i]), add(i<<1|1, p[i]), p[i] = 0; }
		void update(int i, int s, int e, int x, int y, ll pr){
				if(x <= s && e <= y) return void(add(i, pr));
				int mid = (s+e)>>1; push(i);
				if(x <= mid) update(i<<1, s, mid, x, y, pr);
				if(mid < y) update(i<<1|1, mid+1, e, x, y, pr);
				t[i] = (t[i<<1]+t[i<<1|1])%mod;
		}
};
void answer(){
		int n, q; scanf("%d", &n);
		string s[3] = {"", "", ""}, t="";
		char c;
		for(int l = 0; l < 3; ++l){
				c = getchar_unlocked();
				for(int i = 0; i < n; ++i) c = getchar_unlocked(), s[l] += c;
		}
		scanf("%d\n", &q);
		for(int i = 0; i < n; ++i) c = getchar_unlocked(), t += c;
		vector<string> st = get_strings(s[0], s[1], s[2]);
		
		vector<ll> powp(n+1); powp[0] = 1;
		for(int i = 1; i <= n; ++i) powp[i] = powp[i-1]*97ll%mod;
		vector<ll> powp1(n+1); powp1[0] = 1;
		for(int i = 1; i <= n; ++i) powp1[i] = powp1[i-1]*1000000007ll%mod;
		vector<ll> powp2(n+1); powp2[0] = 1;
		for(int i = 1; i <= n; ++i) powp2[i] = powp2[i-1]*2137ll%mod;
		
		ll r[256]; r['J'] = 328336787, r['O'] = 760308421, r['I'] = 988411051;
		unordered_map<ll, bool> mp9, mp10, mp11;
		for(string &u : st){
				ll hash = 0;
				for(int i = 0; i < n; ++i) hash = (hash+r[u[i]]*powp[i+1])%mod;
				mp9[hash] = 1;
				hash = 0;
				for(int i = 0; i < n; ++i) hash = (hash+r[u[i]]*powp1[i+1])%mod;
				mp10[hash] = 1;
				hash = 0;
				for(int i = 0; i < n; ++i) hash = (hash+r[u[i]]*powp2[i+1])%mod;
				mp11[hash] = 1;
				//~ printf("%lld\n", hash);
		}
		
		seg seg, seg2, seg3; seg.init(n+1, 97, t); seg2.init(n+1, 1000000007, t), seg3.init(n+1, 2137, t);
		printf(mp9[seg.t[1]] && mp10[seg2.t[1]] && mp11[seg3.t[1]] ? "Yes\n" : "No\n");
		//~ printf("%lld\n", seg.t[1]);
		for(++q; --q; ){
				int a, b; 
				scanf("%d%d %c", &a, &b, &c);
				seg.update(1, 1, base, a, b, r[c]);
				seg2.update(1, 1, base, a, b, r[c]);
				seg3.update(1, 1, base, a, b, r[c]);
				printf(mp9[seg.t[1]] && mp10[seg2.t[1]] && mp11[seg3.t[1]] ? "Yes\n" : "No\n");
				//~ printf("%lld\n", seg3.t[1]);
		}
}
int main(){
		int T = 1;
		//~ ios_base::sync_with_stdio(0); cin.tie(0);
		for(++T; --T; ) answer();
		return 0;
}

Compilation message

Main.cpp: In member function 'void seg::init(int, ll, std::string&)':
Main.cpp:60:64: warning: array subscript has type 'char' [-Wchar-subscripts]
   60 |     for(int i = 0; i < int(s.length()); ++i) t[i+base] = r[s[i]]*powp[i+1]%mod;
      |                                                                ^
Main.cpp: In function 'void answer()':
Main.cpp:97:51: warning: array subscript has type 'char' [-Wchar-subscripts]
   97 |     for(int i = 0; i < n; ++i) hash = (hash+r[u[i]]*powp[i+1])%mod;
      |                                                   ^
Main.cpp:100:51: warning: array subscript has type 'char' [-Wchar-subscripts]
  100 |     for(int i = 0; i < n; ++i) hash = (hash+r[u[i]]*powp1[i+1])%mod;
      |                                                   ^
Main.cpp:103:51: warning: array subscript has type 'char' [-Wchar-subscripts]
  103 |     for(int i = 0; i < n; ++i) hash = (hash+r[u[i]]*powp2[i+1])%mod;
      |                                                   ^
Main.cpp:114:36: warning: array subscript has type 'char' [-Wchar-subscripts]
  114 |     seg.update(1, 1, base, a, b, r[c]);
      |                                    ^
Main.cpp:115:37: warning: array subscript has type 'char' [-Wchar-subscripts]
  115 |     seg2.update(1, 1, base, a, b, r[c]);
      |                                     ^
Main.cpp:116:37: warning: array subscript has type 'char' [-Wchar-subscripts]
  116 |     seg3.update(1, 1, base, a, b, r[c]);
      |                                     ^
Main.cpp:75:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |   int n, q; scanf("%d", &n);
      |             ~~~~~^~~~~~~~~~
Main.cpp:82:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |   scanf("%d\n", &q);
      |   ~~~~~^~~~~~~~~~~~
Main.cpp:113:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  113 |     scanf("%d%d %c", &a, &b, &c);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 6856 KB Output is correct
2 Correct 163 ms 7312 KB Output is correct
3 Correct 179 ms 3420 KB Output is correct
4 Correct 149 ms 7400 KB Output is correct
5 Correct 154 ms 7300 KB Output is correct
6 Correct 143 ms 7044 KB Output is correct
7 Correct 137 ms 7380 KB Output is correct
8 Correct 138 ms 7424 KB Output is correct
9 Correct 184 ms 7364 KB Output is correct
10 Correct 157 ms 10340 KB Output is correct
11 Correct 151 ms 7732 KB Output is correct
12 Correct 199 ms 10544 KB Output is correct
13 Correct 174 ms 7736 KB Output is correct
14 Correct 139 ms 10432 KB Output is correct
15 Correct 142 ms 7620 KB Output is correct
16 Correct 156 ms 10788 KB Output is correct
17 Correct 151 ms 7576 KB Output is correct
18 Correct 158 ms 2308 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 6856 KB Output is correct
2 Correct 163 ms 7312 KB Output is correct
3 Correct 179 ms 3420 KB Output is correct
4 Correct 149 ms 7400 KB Output is correct
5 Correct 154 ms 7300 KB Output is correct
6 Correct 143 ms 7044 KB Output is correct
7 Correct 137 ms 7380 KB Output is correct
8 Correct 138 ms 7424 KB Output is correct
9 Correct 184 ms 7364 KB Output is correct
10 Correct 157 ms 10340 KB Output is correct
11 Correct 151 ms 7732 KB Output is correct
12 Correct 199 ms 10544 KB Output is correct
13 Correct 174 ms 7736 KB Output is correct
14 Correct 139 ms 10432 KB Output is correct
15 Correct 142 ms 7620 KB Output is correct
16 Correct 156 ms 10788 KB Output is correct
17 Correct 151 ms 7576 KB Output is correct
18 Correct 158 ms 2308 KB Output is correct
19 Correct 854 ms 56472 KB Output is correct
20 Correct 797 ms 56644 KB Output is correct
21 Correct 551 ms 59168 KB Output is correct
22 Correct 639 ms 55200 KB Output is correct
23 Correct 282 ms 13512 KB Output is correct
24 Correct 276 ms 13548 KB Output is correct
25 Correct 574 ms 59540 KB Output is correct
26 Correct 563 ms 56596 KB Output is correct
27 Correct 652 ms 59740 KB Output is correct
28 Correct 750 ms 56612 KB Output is correct
29 Correct 676 ms 59796 KB Output is correct
30 Correct 294 ms 13436 KB Output is correct
31 Correct 684 ms 59564 KB Output is correct
32 Correct 594 ms 56032 KB Output is correct
33 Correct 268 ms 13524 KB Output is correct
34 Correct 670 ms 56544 KB Output is correct
35 Correct 551 ms 55032 KB Output is correct
36 Correct 258 ms 13416 KB Output is correct
37 Correct 257 ms 13508 KB Output is correct
38 Correct 703 ms 55576 KB Output is correct
39 Correct 311 ms 54820 KB Output is correct
40 Correct 597 ms 54688 KB Output is correct
41 Correct 923 ms 54080 KB Output is correct
42 Correct 280 ms 53476 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 6856 KB Output is correct
2 Correct 163 ms 7312 KB Output is correct
3 Correct 179 ms 3420 KB Output is correct
4 Correct 149 ms 7400 KB Output is correct
5 Correct 154 ms 7300 KB Output is correct
6 Correct 143 ms 7044 KB Output is correct
7 Correct 137 ms 7380 KB Output is correct
8 Correct 138 ms 7424 KB Output is correct
9 Correct 184 ms 7364 KB Output is correct
10 Correct 157 ms 10340 KB Output is correct
11 Correct 151 ms 7732 KB Output is correct
12 Correct 199 ms 10544 KB Output is correct
13 Correct 174 ms 7736 KB Output is correct
14 Correct 139 ms 10432 KB Output is correct
15 Correct 142 ms 7620 KB Output is correct
16 Correct 156 ms 10788 KB Output is correct
17 Correct 151 ms 7576 KB Output is correct
18 Correct 158 ms 2308 KB Output is correct
19 Correct 189 ms 7144 KB Output is correct
20 Correct 171 ms 3352 KB Output is correct
21 Correct 174 ms 10448 KB Output is correct
22 Correct 132 ms 6948 KB Output is correct
23 Correct 163 ms 10424 KB Output is correct
24 Correct 138 ms 7224 KB Output is correct
25 Correct 147 ms 10380 KB Output is correct
26 Correct 145 ms 7144 KB Output is correct
27 Correct 158 ms 10560 KB Output is correct
28 Correct 161 ms 7340 KB Output is correct
29 Correct 142 ms 7348 KB Output is correct
30 Correct 122 ms 6884 KB Output is correct
31 Correct 147 ms 10312 KB Output is correct
32 Correct 152 ms 10572 KB Output is correct
33 Correct 149 ms 7620 KB Output is correct
34 Correct 176 ms 7108 KB Output is correct
35 Correct 137 ms 10436 KB Output is correct
36 Correct 149 ms 7700 KB Output is correct
37 Correct 168 ms 10428 KB Output is correct
38 Correct 133 ms 7796 KB Output is correct
39 Correct 158 ms 10436 KB Output is correct
40 Correct 131 ms 7808 KB Output is correct
41 Correct 133 ms 10432 KB Output is correct
42 Correct 188 ms 7616 KB Output is correct
43 Correct 140 ms 7364 KB Output is correct
44 Correct 140 ms 7580 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 6856 KB Output is correct
2 Correct 163 ms 7312 KB Output is correct
3 Correct 179 ms 3420 KB Output is correct
4 Correct 149 ms 7400 KB Output is correct
5 Correct 154 ms 7300 KB Output is correct
6 Correct 143 ms 7044 KB Output is correct
7 Correct 137 ms 7380 KB Output is correct
8 Correct 138 ms 7424 KB Output is correct
9 Correct 184 ms 7364 KB Output is correct
10 Correct 157 ms 10340 KB Output is correct
11 Correct 151 ms 7732 KB Output is correct
12 Correct 199 ms 10544 KB Output is correct
13 Correct 174 ms 7736 KB Output is correct
14 Correct 139 ms 10432 KB Output is correct
15 Correct 142 ms 7620 KB Output is correct
16 Correct 156 ms 10788 KB Output is correct
17 Correct 151 ms 7576 KB Output is correct
18 Correct 158 ms 2308 KB Output is correct
19 Correct 854 ms 56472 KB Output is correct
20 Correct 797 ms 56644 KB Output is correct
21 Correct 551 ms 59168 KB Output is correct
22 Correct 639 ms 55200 KB Output is correct
23 Correct 282 ms 13512 KB Output is correct
24 Correct 276 ms 13548 KB Output is correct
25 Correct 574 ms 59540 KB Output is correct
26 Correct 563 ms 56596 KB Output is correct
27 Correct 652 ms 59740 KB Output is correct
28 Correct 750 ms 56612 KB Output is correct
29 Correct 676 ms 59796 KB Output is correct
30 Correct 294 ms 13436 KB Output is correct
31 Correct 684 ms 59564 KB Output is correct
32 Correct 594 ms 56032 KB Output is correct
33 Correct 268 ms 13524 KB Output is correct
34 Correct 670 ms 56544 KB Output is correct
35 Correct 551 ms 55032 KB Output is correct
36 Correct 258 ms 13416 KB Output is correct
37 Correct 257 ms 13508 KB Output is correct
38 Correct 703 ms 55576 KB Output is correct
39 Correct 311 ms 54820 KB Output is correct
40 Correct 597 ms 54688 KB Output is correct
41 Correct 923 ms 54080 KB Output is correct
42 Correct 280 ms 53476 KB Output is correct
43 Correct 189 ms 7144 KB Output is correct
44 Correct 171 ms 3352 KB Output is correct
45 Correct 174 ms 10448 KB Output is correct
46 Correct 132 ms 6948 KB Output is correct
47 Correct 163 ms 10424 KB Output is correct
48 Correct 138 ms 7224 KB Output is correct
49 Correct 147 ms 10380 KB Output is correct
50 Correct 145 ms 7144 KB Output is correct
51 Correct 158 ms 10560 KB Output is correct
52 Correct 161 ms 7340 KB Output is correct
53 Correct 142 ms 7348 KB Output is correct
54 Correct 122 ms 6884 KB Output is correct
55 Correct 147 ms 10312 KB Output is correct
56 Correct 152 ms 10572 KB Output is correct
57 Correct 149 ms 7620 KB Output is correct
58 Correct 176 ms 7108 KB Output is correct
59 Correct 137 ms 10436 KB Output is correct
60 Correct 149 ms 7700 KB Output is correct
61 Correct 168 ms 10428 KB Output is correct
62 Correct 133 ms 7796 KB Output is correct
63 Correct 158 ms 10436 KB Output is correct
64 Correct 131 ms 7808 KB Output is correct
65 Correct 133 ms 10432 KB Output is correct
66 Correct 188 ms 7616 KB Output is correct
67 Correct 140 ms 7364 KB Output is correct
68 Correct 140 ms 7580 KB Output is correct
69 Correct 809 ms 59104 KB Output is correct
70 Correct 836 ms 61732 KB Output is correct
71 Correct 254 ms 15836 KB Output is correct
72 Correct 281 ms 15908 KB Output is correct
73 Correct 263 ms 15932 KB Output is correct
74 Correct 457 ms 61876 KB Output is correct
75 Correct 262 ms 15700 KB Output is correct
76 Correct 573 ms 62948 KB Output is correct
77 Correct 511 ms 58556 KB Output is correct
78 Correct 249 ms 15812 KB Output is correct
79 Correct 249 ms 15860 KB Output is correct
80 Correct 579 ms 58952 KB Output is correct
81 Correct 245 ms 15632 KB Output is correct
82 Correct 690 ms 64224 KB Output is correct
83 Correct 667 ms 60764 KB Output is correct
84 Correct 346 ms 15816 KB Output is correct
85 Correct 246 ms 15904 KB Output is correct
86 Correct 652 ms 58976 KB Output is correct
87 Correct 703 ms 61468 KB Output is correct
88 Correct 254 ms 13120 KB Output is correct
89 Correct 639 ms 60028 KB Output is correct
90 Correct 623 ms 61492 KB Output is correct
91 Correct 266 ms 12996 KB Output is correct
92 Correct 607 ms 59216 KB Output is correct
93 Correct 260 ms 15972 KB Output is correct
94 Correct 259 ms 16064 KB Output is correct
95 Correct 257 ms 16008 KB Output is correct
96 Correct 667 ms 58892 KB Output is correct
97 Correct 369 ms 60364 KB Output is correct
98 Correct 614 ms 58696 KB Output is correct
99 Correct 944 ms 57872 KB Output is correct
100 Correct 407 ms 57232 KB Output is correct