//JOIOC 2021 p1 crossing
#include <bits/stdc++.h>
#define pb push_back
#define le node+node
#define ri node+node+1
#define mid (l+r)/2
#define all(v) v.begin(),v.end()
using namespace std;
const int inf = 2e5+2,lg = 10;
int n,k,q;
bool ans;
string s;
vector<string> v;
int pre[lg][3][inf];
char ss[inf];
int mp[99];
string in(){
scanf("%s",ss);
return string(ss);
}
string cross(string &a,string &b){
string ret = a;
for(int i=0;i<n;i++){
if(a[i] == b[i])
continue;
else if(a[i] != 'J' && b[i] != 'J')
ret[i]= 'J';
else if(a[i] != 'O' && b[i] != 'O')
ret[i]= 'O';
else
ret[i]= 'I';
}
return ret;
}
void go(){
map<string,bool> s;
for(int i=0;i<3;i++)
v.pb(in()),s[v.back()];
v.pb(cross(v[0],v[1])),s[v.back()];
v.pb(cross(v[0],v[2])),s[v.back()];
v.pb(cross(v[1],v[2])),s[v.back()];
s[cross(v[3],v[2])];
s[cross(v[4],v[1])];
s[cross(v[5],v[0])];
v.clear();
for(auto o:s)
v.pb(o.first);
k = v.size();
for(int i=0;i<k;i++)
for(int let=0;let<3;let++)
for(int j=0;j<n;j++)
pre[i][let][j] = (j>0?pre[i][let][j-1]:0) + (mp[v[i][j]] == let);
}
int lazy[inf<<2],tree[inf<<2];
void build(int node,int l,int r){
lazy[node] = -1;
if(l == r){
for(int i=0;i<k;i++)
if(s[l] == v[i][l])
tree[node] |= (1<<i);
return;
}
build(le,l,mid);
build(ri,mid+1,r);
tree[node] = (tree[le] & tree[ri]);
}
void push(int node,int l,int r){
if(lazy[node] == -1)
return ;
if(l != r)
lazy[le] = lazy[ri] = lazy[node];
int sz = r-l+1,let= lazy[node];
tree[node] = 0;
for(int i=0;i<k;i++)
if((pre[i][let][r] - (l>0?pre[i][let][l-1]:0) ) == r-l+1 )
tree[node] |= (1<<i);
lazy[node] = -1;
}
void update(int node,int l,int r,int x,int y,int val){
push(node,l,r);
if(l>r || r<x || l>y || x>y)
return ;
if(l>=x && r<=y){
lazy[node] = val;
push(node,l,r);
return ;
}
update(le,l,mid,x,y,val);
update(ri,mid+1,r,x,y,val);
tree[node] = (tree[le] & tree[ri]);
}
int main(){
mp['J'] = 0,mp['O'] = 1,mp['I'] = 2;
scanf("%d",&n);
go();
assert(k<lg);
scanf("%d",&q);
s = in();
ans = 0;
build(1,0,n-1);
if(tree[1])
puts("Yes");
else
puts("No");
while(q--){
int l,r;
ans =0;
char c[2];
scanf("%d%d",&l,&r);
scanf("%s",c);
update(1,0,n-1,l-1,r-1,mp[c[0]]);
if(tree[1])
puts("Yes");
else
puts("No");
}
}
Compilation message
Main.cpp: In function 'void go()':
Main.cpp:58:76: warning: array subscript has type 'char' [-Wchar-subscripts]
58 | pre[i][let][j] = (j>0?pre[i][let][j-1]:0) + (mp[v[i][j]] == let);
| ^
Main.cpp: In function 'void push(int, int, int)':
Main.cpp:81:9: warning: unused variable 'sz' [-Wunused-variable]
81 | int sz = r-l+1,let= lazy[node];
| ^~
Main.cpp: In function 'int main()':
Main.cpp:122:38: warning: array subscript has type 'char' [-Wchar-subscripts]
122 | update(1,0,n-1,l-1,r-1,mp[c[0]]);
| ~~~^
Main.cpp: In function 'std::string in()':
Main.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
19 | scanf("%s",ss);
| ~~~~~^~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:105:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
105 | scanf("%d",&n);
| ~~~~~^~~~~~~~~
Main.cpp:108:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
108 | scanf("%d",&q);
| ~~~~~^~~~~~~~~
Main.cpp:120:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
120 | scanf("%d%d",&l,&r);
| ~~~~~^~~~~~~~~~~~~~
Main.cpp:121:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
121 | scanf("%s",c);
| ~~~~~^~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
145 ms |
836 KB |
Output is correct |
2 |
Correct |
108 ms |
908 KB |
Output is correct |
3 |
Correct |
109 ms |
912 KB |
Output is correct |
4 |
Correct |
91 ms |
820 KB |
Output is correct |
5 |
Correct |
97 ms |
876 KB |
Output is correct |
6 |
Correct |
92 ms |
852 KB |
Output is correct |
7 |
Correct |
105 ms |
788 KB |
Output is correct |
8 |
Correct |
95 ms |
828 KB |
Output is correct |
9 |
Correct |
111 ms |
892 KB |
Output is correct |
10 |
Correct |
119 ms |
792 KB |
Output is correct |
11 |
Correct |
99 ms |
864 KB |
Output is correct |
12 |
Correct |
101 ms |
888 KB |
Output is correct |
13 |
Correct |
103 ms |
828 KB |
Output is correct |
14 |
Correct |
117 ms |
852 KB |
Output is correct |
15 |
Correct |
142 ms |
896 KB |
Output is correct |
16 |
Correct |
104 ms |
968 KB |
Output is correct |
17 |
Correct |
98 ms |
840 KB |
Output is correct |
18 |
Correct |
101 ms |
828 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
145 ms |
836 KB |
Output is correct |
2 |
Correct |
108 ms |
908 KB |
Output is correct |
3 |
Correct |
109 ms |
912 KB |
Output is correct |
4 |
Correct |
91 ms |
820 KB |
Output is correct |
5 |
Correct |
97 ms |
876 KB |
Output is correct |
6 |
Correct |
92 ms |
852 KB |
Output is correct |
7 |
Correct |
105 ms |
788 KB |
Output is correct |
8 |
Correct |
95 ms |
828 KB |
Output is correct |
9 |
Correct |
111 ms |
892 KB |
Output is correct |
10 |
Correct |
119 ms |
792 KB |
Output is correct |
11 |
Correct |
99 ms |
864 KB |
Output is correct |
12 |
Correct |
101 ms |
888 KB |
Output is correct |
13 |
Correct |
103 ms |
828 KB |
Output is correct |
14 |
Correct |
117 ms |
852 KB |
Output is correct |
15 |
Correct |
142 ms |
896 KB |
Output is correct |
16 |
Correct |
104 ms |
968 KB |
Output is correct |
17 |
Correct |
98 ms |
840 KB |
Output is correct |
18 |
Correct |
101 ms |
828 KB |
Output is correct |
19 |
Correct |
363 ms |
7920 KB |
Output is correct |
20 |
Correct |
321 ms |
8036 KB |
Output is correct |
21 |
Correct |
221 ms |
7664 KB |
Output is correct |
22 |
Correct |
221 ms |
7412 KB |
Output is correct |
23 |
Correct |
145 ms |
1348 KB |
Output is correct |
24 |
Correct |
146 ms |
1260 KB |
Output is correct |
25 |
Correct |
258 ms |
7904 KB |
Output is correct |
26 |
Correct |
308 ms |
7932 KB |
Output is correct |
27 |
Correct |
248 ms |
7936 KB |
Output is correct |
28 |
Correct |
308 ms |
7868 KB |
Output is correct |
29 |
Correct |
256 ms |
7856 KB |
Output is correct |
30 |
Correct |
157 ms |
1348 KB |
Output is correct |
31 |
Correct |
265 ms |
7860 KB |
Output is correct |
32 |
Correct |
261 ms |
7672 KB |
Output is correct |
33 |
Correct |
145 ms |
1356 KB |
Output is correct |
34 |
Correct |
255 ms |
7868 KB |
Output is correct |
35 |
Correct |
203 ms |
7136 KB |
Output is correct |
36 |
Correct |
146 ms |
1348 KB |
Output is correct |
37 |
Correct |
152 ms |
1344 KB |
Output is correct |
38 |
Correct |
269 ms |
7952 KB |
Output is correct |
39 |
Correct |
170 ms |
7916 KB |
Output is correct |
40 |
Correct |
197 ms |
4764 KB |
Output is correct |
41 |
Correct |
347 ms |
8112 KB |
Output is correct |
42 |
Correct |
77 ms |
8052 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
145 ms |
836 KB |
Output is correct |
2 |
Correct |
108 ms |
908 KB |
Output is correct |
3 |
Correct |
109 ms |
912 KB |
Output is correct |
4 |
Correct |
91 ms |
820 KB |
Output is correct |
5 |
Correct |
97 ms |
876 KB |
Output is correct |
6 |
Correct |
92 ms |
852 KB |
Output is correct |
7 |
Correct |
105 ms |
788 KB |
Output is correct |
8 |
Correct |
95 ms |
828 KB |
Output is correct |
9 |
Correct |
111 ms |
892 KB |
Output is correct |
10 |
Correct |
119 ms |
792 KB |
Output is correct |
11 |
Correct |
99 ms |
864 KB |
Output is correct |
12 |
Correct |
101 ms |
888 KB |
Output is correct |
13 |
Correct |
103 ms |
828 KB |
Output is correct |
14 |
Correct |
117 ms |
852 KB |
Output is correct |
15 |
Correct |
142 ms |
896 KB |
Output is correct |
16 |
Correct |
104 ms |
968 KB |
Output is correct |
17 |
Correct |
98 ms |
840 KB |
Output is correct |
18 |
Correct |
101 ms |
828 KB |
Output is correct |
19 |
Correct |
142 ms |
928 KB |
Output is correct |
20 |
Correct |
147 ms |
1068 KB |
Output is correct |
21 |
Correct |
106 ms |
884 KB |
Output is correct |
22 |
Correct |
92 ms |
872 KB |
Output is correct |
23 |
Correct |
107 ms |
980 KB |
Output is correct |
24 |
Correct |
99 ms |
924 KB |
Output is correct |
25 |
Correct |
105 ms |
836 KB |
Output is correct |
26 |
Correct |
99 ms |
832 KB |
Output is correct |
27 |
Correct |
103 ms |
864 KB |
Output is correct |
28 |
Correct |
92 ms |
888 KB |
Output is correct |
29 |
Correct |
103 ms |
948 KB |
Output is correct |
30 |
Correct |
94 ms |
824 KB |
Output is correct |
31 |
Correct |
122 ms |
964 KB |
Output is correct |
32 |
Correct |
170 ms |
1064 KB |
Output is correct |
33 |
Correct |
166 ms |
1064 KB |
Output is correct |
34 |
Correct |
112 ms |
1020 KB |
Output is correct |
35 |
Correct |
123 ms |
960 KB |
Output is correct |
36 |
Correct |
192 ms |
1008 KB |
Output is correct |
37 |
Correct |
187 ms |
960 KB |
Output is correct |
38 |
Correct |
124 ms |
1044 KB |
Output is correct |
39 |
Correct |
132 ms |
984 KB |
Output is correct |
40 |
Correct |
127 ms |
988 KB |
Output is correct |
41 |
Correct |
162 ms |
1004 KB |
Output is correct |
42 |
Correct |
149 ms |
996 KB |
Output is correct |
43 |
Correct |
123 ms |
1044 KB |
Output is correct |
44 |
Correct |
130 ms |
944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
145 ms |
836 KB |
Output is correct |
2 |
Correct |
108 ms |
908 KB |
Output is correct |
3 |
Correct |
109 ms |
912 KB |
Output is correct |
4 |
Correct |
91 ms |
820 KB |
Output is correct |
5 |
Correct |
97 ms |
876 KB |
Output is correct |
6 |
Correct |
92 ms |
852 KB |
Output is correct |
7 |
Correct |
105 ms |
788 KB |
Output is correct |
8 |
Correct |
95 ms |
828 KB |
Output is correct |
9 |
Correct |
111 ms |
892 KB |
Output is correct |
10 |
Correct |
119 ms |
792 KB |
Output is correct |
11 |
Correct |
99 ms |
864 KB |
Output is correct |
12 |
Correct |
101 ms |
888 KB |
Output is correct |
13 |
Correct |
103 ms |
828 KB |
Output is correct |
14 |
Correct |
117 ms |
852 KB |
Output is correct |
15 |
Correct |
142 ms |
896 KB |
Output is correct |
16 |
Correct |
104 ms |
968 KB |
Output is correct |
17 |
Correct |
98 ms |
840 KB |
Output is correct |
18 |
Correct |
101 ms |
828 KB |
Output is correct |
19 |
Correct |
363 ms |
7920 KB |
Output is correct |
20 |
Correct |
321 ms |
8036 KB |
Output is correct |
21 |
Correct |
221 ms |
7664 KB |
Output is correct |
22 |
Correct |
221 ms |
7412 KB |
Output is correct |
23 |
Correct |
145 ms |
1348 KB |
Output is correct |
24 |
Correct |
146 ms |
1260 KB |
Output is correct |
25 |
Correct |
258 ms |
7904 KB |
Output is correct |
26 |
Correct |
308 ms |
7932 KB |
Output is correct |
27 |
Correct |
248 ms |
7936 KB |
Output is correct |
28 |
Correct |
308 ms |
7868 KB |
Output is correct |
29 |
Correct |
256 ms |
7856 KB |
Output is correct |
30 |
Correct |
157 ms |
1348 KB |
Output is correct |
31 |
Correct |
265 ms |
7860 KB |
Output is correct |
32 |
Correct |
261 ms |
7672 KB |
Output is correct |
33 |
Correct |
145 ms |
1356 KB |
Output is correct |
34 |
Correct |
255 ms |
7868 KB |
Output is correct |
35 |
Correct |
203 ms |
7136 KB |
Output is correct |
36 |
Correct |
146 ms |
1348 KB |
Output is correct |
37 |
Correct |
152 ms |
1344 KB |
Output is correct |
38 |
Correct |
269 ms |
7952 KB |
Output is correct |
39 |
Correct |
170 ms |
7916 KB |
Output is correct |
40 |
Correct |
197 ms |
4764 KB |
Output is correct |
41 |
Correct |
347 ms |
8112 KB |
Output is correct |
42 |
Correct |
77 ms |
8052 KB |
Output is correct |
43 |
Correct |
142 ms |
928 KB |
Output is correct |
44 |
Correct |
147 ms |
1068 KB |
Output is correct |
45 |
Correct |
106 ms |
884 KB |
Output is correct |
46 |
Correct |
92 ms |
872 KB |
Output is correct |
47 |
Correct |
107 ms |
980 KB |
Output is correct |
48 |
Correct |
99 ms |
924 KB |
Output is correct |
49 |
Correct |
105 ms |
836 KB |
Output is correct |
50 |
Correct |
99 ms |
832 KB |
Output is correct |
51 |
Correct |
103 ms |
864 KB |
Output is correct |
52 |
Correct |
92 ms |
888 KB |
Output is correct |
53 |
Correct |
103 ms |
948 KB |
Output is correct |
54 |
Correct |
94 ms |
824 KB |
Output is correct |
55 |
Correct |
122 ms |
964 KB |
Output is correct |
56 |
Correct |
170 ms |
1064 KB |
Output is correct |
57 |
Correct |
166 ms |
1064 KB |
Output is correct |
58 |
Correct |
112 ms |
1020 KB |
Output is correct |
59 |
Correct |
123 ms |
960 KB |
Output is correct |
60 |
Correct |
192 ms |
1008 KB |
Output is correct |
61 |
Correct |
187 ms |
960 KB |
Output is correct |
62 |
Correct |
124 ms |
1044 KB |
Output is correct |
63 |
Correct |
132 ms |
984 KB |
Output is correct |
64 |
Correct |
127 ms |
988 KB |
Output is correct |
65 |
Correct |
162 ms |
1004 KB |
Output is correct |
66 |
Correct |
149 ms |
996 KB |
Output is correct |
67 |
Correct |
123 ms |
1044 KB |
Output is correct |
68 |
Correct |
130 ms |
944 KB |
Output is correct |
69 |
Correct |
950 ms |
24636 KB |
Output is correct |
70 |
Correct |
776 ms |
28168 KB |
Output is correct |
71 |
Correct |
162 ms |
1608 KB |
Output is correct |
72 |
Correct |
168 ms |
1684 KB |
Output is correct |
73 |
Correct |
159 ms |
1604 KB |
Output is correct |
74 |
Correct |
256 ms |
11632 KB |
Output is correct |
75 |
Correct |
158 ms |
1588 KB |
Output is correct |
76 |
Correct |
281 ms |
13096 KB |
Output is correct |
77 |
Correct |
278 ms |
11720 KB |
Output is correct |
78 |
Correct |
157 ms |
1560 KB |
Output is correct |
79 |
Correct |
154 ms |
1604 KB |
Output is correct |
80 |
Correct |
394 ms |
21592 KB |
Output is correct |
81 |
Correct |
190 ms |
2512 KB |
Output is correct |
82 |
Correct |
427 ms |
28412 KB |
Output is correct |
83 |
Correct |
465 ms |
27096 KB |
Output is correct |
84 |
Correct |
189 ms |
2544 KB |
Output is correct |
85 |
Correct |
192 ms |
2500 KB |
Output is correct |
86 |
Correct |
648 ms |
22900 KB |
Output is correct |
87 |
Correct |
653 ms |
28504 KB |
Output is correct |
88 |
Correct |
242 ms |
2624 KB |
Output is correct |
89 |
Correct |
536 ms |
25536 KB |
Output is correct |
90 |
Correct |
552 ms |
28340 KB |
Output is correct |
91 |
Correct |
227 ms |
2500 KB |
Output is correct |
92 |
Correct |
370 ms |
22408 KB |
Output is correct |
93 |
Correct |
195 ms |
2504 KB |
Output is correct |
94 |
Correct |
190 ms |
2528 KB |
Output is correct |
95 |
Correct |
192 ms |
2628 KB |
Output is correct |
96 |
Correct |
260 ms |
7844 KB |
Output is correct |
97 |
Correct |
190 ms |
28208 KB |
Output is correct |
98 |
Correct |
387 ms |
18420 KB |
Output is correct |
99 |
Correct |
802 ms |
28520 KB |
Output is correct |
100 |
Correct |
113 ms |
28468 KB |
Output is correct |