oj.uz

Submission #466039

# Submission time Handle Problem Language Result Execution time Memory
466039 2021-08-17T15:32:31 Z mariowong Crossing (JOI21_crossing) C++14
100 / 100
 1229 ms 23876 KB 
#include <bits/stdc++.h>
#define hmod 1223334444555553LL
using namespace std;

int sz,n,nowl,nowr,l[200005],r[200005],q,blk;
long long val,sum[505],ttl,b[200005],sumb[505],indx[200005],all[505],nowindx;
char c[10]={'a','J','O','I'},ch;
string s,str;
vector <string> v;
map <string,bool> a; 
map <long long,bool> hashing;
void makestring(){
	for (int i=0;i<v.size();i++){
		for (int j=i+1;j<v.size();j++){
			str.clear();
			for (int k=0;k<n;k++){
				if (v[i][k] != v[j][k]){
					for (int l=1;l<=3;l++){
						if (c[l] != v[i][k] && c[l] != v[j][k])
						str+=c[l];
					}
				}
				else
				str+=v[i][k];
			}
			if (!a[str]){
				v.push_back(str);
				a[str]=true;
			}
		}
	}
	for (int i=0;i<v.size();i++){
		val=0;
		for (int j=0;j<n;j++){
			for (long long k=1;k<=3;k++){
				if (v[i][j] == c[k])
				val+=k*b[j];
			}		
			val%=hmod;
		}
		hashing[val]=true;
	}
}
int main(){
	ios::sync_with_stdio(false); cin.tie(0);
	cout.tie(0);
	cin >> n;
	for (int i=1;i<=3;i++){
		cin >> s;
		a[s]=true; v.push_back(s);
	}
	b[0]=1;
	for (int i=1;i<n;i++){
		b[i]=b[i-1]*4;
		b[i]%=hmod;
	}
	makestring();
	sz=int(sqrt(n)); 
	if (sz*sz != n) sz++;
	nowl=0; nowr=sz-1;
	for (int i=1;i<=sz;i++){
		l[i]=nowl; r[i]=nowr;
		nowl=nowr+1; nowr=min(n-1,nowl+sz-1);
		if (nowl >= n){
			sz=i;
			break;
		}
	}
	cin >> q >> str;
	for (int i=0;i<n;i++){
		for (int j=1;j<=3;j++){
			if (str[i] == c[j])
			indx[i]=j;
		}
	}
	for (int i=1;i<=sz;i++){
		for (int j=l[i];j<=r[i];j++){
			sum[i]+=indx[j]*b[j]; sum[i]%=hmod;
			sumb[i]+=b[j]; sumb[i]%=hmod;
		}
		ttl+=sum[i]; ttl%=hmod;
		all[i]=-1;
	}
	if (hashing[ttl]) cout << "Yes\n";
	else cout << "No\n";
	for (int i=1;i<=q;i++){
		cin >> nowl >> nowr >> ch;
 		nowl--; nowr--;
		ttl=0;
		for (int j=1;j<=3;j++){
			if (ch == c[j]) nowindx=j;
		}
		for (int j=1;j<=sz;j++){
			if (nowl > r[j] || nowr < l[j])
			continue;
			if (nowl <= l[j] && r[j] <= nowr){
				all[j]=nowindx;
				sum[j]=nowindx*sumb[j];
			}
			else
			if (l[j] <= nowl && nowl <= r[j]){
				if (all[j] == -1){
					for (int k=nowl;k<=min(nowr,r[j]);k++){
						sum[j]-=b[k]*indx[k]; sum[j]+=b[k]*nowindx;
						indx[k]=nowindx;
					}
				}
				else
				{
					for (int k=l[j];k<nowl;k++){
						indx[k]=all[j];
					}
					for (int k=nowl;k<=min(nowr,r[j]);k++){
						sum[j]-=b[k]*all[j]; sum[j]+=b[k]*nowindx;
						indx[k]=nowindx;
					}
					for (int k=min(nowr,r[j])+1;k<=r[j];k++){
						indx[k]=all[j];
					}
				}
				all[j]=-1;
			}
			else
			if (l[j] <= nowr && nowr <= r[j]){
				if (all[j] == -1){
					for (int k=max(nowl,l[j]);k<=nowr;k++){
						sum[j]-=b[k]*indx[k]; sum[j]+=b[k]*nowindx;
						indx[k]=nowindx;
					}
				}
				else
				{
					for (int k=l[j];k<max(nowl,l[j]);k++){
						indx[k]=all[j];
					}
					for (int k=max(nowl,l[j]);k<=nowr;k++){
						sum[j]-=b[k]*all[j]; sum[j]+=b[k]*nowindx;
						indx[k]=nowindx;
					}
					for (int k=nowr+1;k<=r[j];k++){
						indx[k]=all[j];
					}
				}
				all[j]=-1;
			}
			while (sum[j] < 0) sum[j]+=hmod;
		}
		for (int j=1;j<=sz;j++){
			ttl+=sum[j]; ttl%=hmod;
		}
		if (hashing[ttl]) cout << "Yes\n";
		else cout << "No\n";
	}
	return 0;
}

Compilation message

Main.cpp: In function 'void makestring()':
Main.cpp:13:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for (int i=0;i<v.size();i++){
      |               ~^~~~~~~~~
Main.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |   for (int j=i+1;j<v.size();j++){
      |                  ~^~~~~~~~~
Main.cpp:32:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |  for (int i=0;i<v.size();i++){
      |               ~^~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 160 ms 10228 KB Output is correct
2 Correct 170 ms 10996 KB Output is correct
3 Correct 115 ms 4652 KB Output is correct
4 Correct 149 ms 11040 KB Output is correct
5 Correct 158 ms 12588 KB Output is correct
6 Correct 146 ms 11692 KB Output is correct
7 Correct 142 ms 12100 KB Output is correct
8 Correct 196 ms 12956 KB Output is correct
9 Correct 164 ms 12444 KB Output is correct
10 Correct 198 ms 14004 KB Output is correct
11 Correct 178 ms 13212 KB Output is correct
12 Correct 175 ms 13932 KB Output is correct
13 Correct 174 ms 13264 KB Output is correct
14 Correct 184 ms 14032 KB Output is correct
15 Correct 165 ms 13280 KB Output is correct
16 Correct 177 ms 14108 KB Output is correct
17 Correct 191 ms 13252 KB Output is correct
18 Correct 100 ms 4280 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 160 ms 10228 KB Output is correct
2 Correct 170 ms 10996 KB Output is correct
3 Correct 115 ms 4652 KB Output is correct
4 Correct 149 ms 11040 KB Output is correct
5 Correct 158 ms 12588 KB Output is correct
6 Correct 146 ms 11692 KB Output is correct
7 Correct 142 ms 12100 KB Output is correct
8 Correct 196 ms 12956 KB Output is correct
9 Correct 164 ms 12444 KB Output is correct
10 Correct 198 ms 14004 KB Output is correct
11 Correct 178 ms 13212 KB Output is correct
12 Correct 175 ms 13932 KB Output is correct
13 Correct 174 ms 13264 KB Output is correct
14 Correct 184 ms 14032 KB Output is correct
15 Correct 165 ms 13280 KB Output is correct
16 Correct 177 ms 14108 KB Output is correct
17 Correct 191 ms 13252 KB Output is correct
18 Correct 100 ms 4280 KB Output is correct
19 Correct 921 ms 18720 KB Output is correct
20 Correct 1104 ms 19364 KB Output is correct
21 Correct 708 ms 19996 KB Output is correct
22 Correct 649 ms 17144 KB Output is correct
23 Correct 347 ms 15940 KB Output is correct
24 Correct 332 ms 14640 KB Output is correct
25 Correct 801 ms 20968 KB Output is correct
26 Correct 785 ms 19104 KB Output is correct
27 Correct 853 ms 21364 KB Output is correct
28 Correct 868 ms 19120 KB Output is correct
29 Correct 857 ms 20968 KB Output is correct
30 Correct 322 ms 16056 KB Output is correct
31 Correct 898 ms 21356 KB Output is correct
32 Correct 850 ms 18428 KB Output is correct
33 Correct 331 ms 14616 KB Output is correct
34 Correct 808 ms 19068 KB Output is correct
35 Correct 620 ms 17708 KB Output is correct
36 Correct 324 ms 14704 KB Output is correct
37 Correct 318 ms 14696 KB Output is correct
38 Correct 1084 ms 16532 KB Output is correct
39 Correct 689 ms 15308 KB Output is correct
40 Correct 695 ms 17708 KB Output is correct
41 Correct 858 ms 9248 KB Output is correct
42 Correct 709 ms 8540 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 160 ms 10228 KB Output is correct
2 Correct 170 ms 10996 KB Output is correct
3 Correct 115 ms 4652 KB Output is correct
4 Correct 149 ms 11040 KB Output is correct
5 Correct 158 ms 12588 KB Output is correct
6 Correct 146 ms 11692 KB Output is correct
7 Correct 142 ms 12100 KB Output is correct
8 Correct 196 ms 12956 KB Output is correct
9 Correct 164 ms 12444 KB Output is correct
10 Correct 198 ms 14004 KB Output is correct
11 Correct 178 ms 13212 KB Output is correct
12 Correct 175 ms 13932 KB Output is correct
13 Correct 174 ms 13264 KB Output is correct
14 Correct 184 ms 14032 KB Output is correct
15 Correct 165 ms 13280 KB Output is correct
16 Correct 177 ms 14108 KB Output is correct
17 Correct 191 ms 13252 KB Output is correct
18 Correct 100 ms 4280 KB Output is correct
19 Correct 166 ms 11988 KB Output is correct
20 Correct 116 ms 5980 KB Output is correct
21 Correct 182 ms 13356 KB Output is correct
22 Correct 141 ms 11332 KB Output is correct
23 Correct 189 ms 13544 KB Output is correct
24 Correct 178 ms 12300 KB Output is correct
25 Correct 164 ms 13332 KB Output is correct
26 Correct 152 ms 11892 KB Output is correct
27 Correct 187 ms 13504 KB Output is correct
28 Correct 155 ms 12188 KB Output is correct
29 Correct 158 ms 12752 KB Output is correct
30 Correct 136 ms 11640 KB Output is correct
31 Correct 230 ms 13576 KB Output is correct
32 Correct 165 ms 13516 KB Output is correct
33 Correct 160 ms 13008 KB Output is correct
34 Correct 136 ms 11972 KB Output is correct
35 Correct 167 ms 14020 KB Output is correct
36 Correct 178 ms 13252 KB Output is correct
37 Correct 177 ms 13988 KB Output is correct
38 Correct 205 ms 13168 KB Output is correct
39 Correct 173 ms 13996 KB Output is correct
40 Correct 181 ms 13292 KB Output is correct
41 Correct 213 ms 13944 KB Output is correct
42 Correct 187 ms 13252 KB Output is correct
43 Correct 153 ms 12568 KB Output is correct
44 Correct 175 ms 12944 KB Output is correct

Subtask #4
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 160 ms 10228 KB Output is correct
2 Correct 170 ms 10996 KB Output is correct
3 Correct 115 ms 4652 KB Output is correct
4 Correct 149 ms 11040 KB Output is correct
5 Correct 158 ms 12588 KB Output is correct
6 Correct 146 ms 11692 KB Output is correct
7 Correct 142 ms 12100 KB Output is correct
8 Correct 196 ms 12956 KB Output is correct
9 Correct 164 ms 12444 KB Output is correct
10 Correct 198 ms 14004 KB Output is correct
11 Correct 178 ms 13212 KB Output is correct
12 Correct 175 ms 13932 KB Output is correct
13 Correct 174 ms 13264 KB Output is correct
14 Correct 184 ms 14032 KB Output is correct
15 Correct 165 ms 13280 KB Output is correct
16 Correct 177 ms 14108 KB Output is correct
17 Correct 191 ms 13252 KB Output is correct
18 Correct 100 ms 4280 KB Output is correct
19 Correct 921 ms 18720 KB Output is correct
20 Correct 1104 ms 19364 KB Output is correct
21 Correct 708 ms 19996 KB Output is correct
22 Correct 649 ms 17144 KB Output is correct
23 Correct 347 ms 15940 KB Output is correct
24 Correct 332 ms 14640 KB Output is correct
25 Correct 801 ms 20968 KB Output is correct
26 Correct 785 ms 19104 KB Output is correct
27 Correct 853 ms 21364 KB Output is correct
28 Correct 868 ms 19120 KB Output is correct
29 Correct 857 ms 20968 KB Output is correct
30 Correct 322 ms 16056 KB Output is correct
31 Correct 898 ms 21356 KB Output is correct
32 Correct 850 ms 18428 KB Output is correct
33 Correct 331 ms 14616 KB Output is correct
34 Correct 808 ms 19068 KB Output is correct
35 Correct 620 ms 17708 KB Output is correct
36 Correct 324 ms 14704 KB Output is correct
37 Correct 318 ms 14696 KB Output is correct
38 Correct 1084 ms 16532 KB Output is correct
39 Correct 689 ms 15308 KB Output is correct
40 Correct 695 ms 17708 KB Output is correct
41 Correct 858 ms 9248 KB Output is correct
42 Correct 709 ms 8540 KB Output is correct
43 Correct 166 ms 11988 KB Output is correct
44 Correct 116 ms 5980 KB Output is correct
45 Correct 182 ms 13356 KB Output is correct
46 Correct 141 ms 11332 KB Output is correct
47 Correct 189 ms 13544 KB Output is correct
48 Correct 178 ms 12300 KB Output is correct
49 Correct 164 ms 13332 KB Output is correct
50 Correct 152 ms 11892 KB Output is correct
51 Correct 187 ms 13504 KB Output is correct
52 Correct 155 ms 12188 KB Output is correct
53 Correct 158 ms 12752 KB Output is correct
54 Correct 136 ms 11640 KB Output is correct
55 Correct 230 ms 13576 KB Output is correct
56 Correct 165 ms 13516 KB Output is correct
57 Correct 160 ms 13008 KB Output is correct
58 Correct 136 ms 11972 KB Output is correct
59 Correct 167 ms 14020 KB Output is correct
60 Correct 178 ms 13252 KB Output is correct
61 Correct 177 ms 13988 KB Output is correct
62 Correct 205 ms 13168 KB Output is correct
63 Correct 173 ms 13996 KB Output is correct
64 Correct 181 ms 13292 KB Output is correct
65 Correct 213 ms 13944 KB Output is correct
66 Correct 187 ms 13252 KB Output is correct
67 Correct 153 ms 12568 KB Output is correct
68 Correct 175 ms 12944 KB Output is correct
69 Correct 966 ms 18836 KB Output is correct
70 Correct 1229 ms 22080 KB Output is correct
71 Correct 333 ms 14788 KB Output is correct
72 Correct 355 ms 14852 KB Output is correct
73 Correct 337 ms 15000 KB Output is correct
74 Correct 667 ms 18936 KB Output is correct
75 Correct 341 ms 16024 KB Output is correct
76 Correct 779 ms 21344 KB Output is correct
77 Correct 721 ms 17772 KB Output is correct
78 Correct 314 ms 14760 KB Output is correct
79 Correct 318 ms 14816 KB Output is correct
80 Correct 737 ms 19676 KB Output is correct
81 Correct 350 ms 16088 KB Output is correct
82 Correct 954 ms 23876 KB Output is correct
83 Correct 864 ms 20844 KB Output is correct
84 Correct 338 ms 14844 KB Output is correct
85 Correct 337 ms 14900 KB Output is correct
86 Correct 769 ms 18948 KB Output is correct
87 Correct 877 ms 21940 KB Output is correct
88 Correct 351 ms 14308 KB Output is correct
89 Correct 743 ms 20272 KB Output is correct
90 Correct 868 ms 22220 KB Output is correct
91 Correct 312 ms 14240 KB Output is correct
92 Correct 733 ms 19916 KB Output is correct
93 Correct 309 ms 14916 KB Output is correct
94 Correct 337 ms 14812 KB Output is correct
95 Correct 323 ms 14908 KB Output is correct
96 Correct 1086 ms 16628 KB Output is correct
97 Correct 728 ms 19400 KB Output is correct
98 Correct 726 ms 19480 KB Output is correct
99 Correct 989 ms 11996 KB Output is correct
100 Correct 853 ms 11176 KB Output is correct