#include<bits/stdc++.h>
using namespace std;
int n,q,av,dov;
string s,ss;
void khor(){
if(av==dov){
cout<<"da\n";
}else{
cout<<"ne\n";
}
}
void vorod(){
cin>>n>>q;
cin>>s>>ss;
}
void pre(){
for(int i=0;i<n;i++){
if(i&1){
dov+=(ss[i]-s[i]+26)%26;
dov+=26;
dov%=26;
}else{
av+=(ss[i]-s[i]+26)%26;
av+=26;
av%=26;
}
}
}
void solve(){
khor();
for(int i=0;i<q;i++){
int a;
char c;
cin>>a>>c;
a--;
if(a&1){
dov-=(ss[a]-s[a]+26)%26;
dov+=26;
dov%=26;
s[a]=c;
dov+=(ss[a]-s[a]+26)%26;
dov+=26;
dov%=26;
}else{
av-=(ss[a]-s[a]+26)%26;
av+=26;
av%=26;
s[a]=c;
av+=(ss[a]-s[a]+26)%26;
av+=26;
av%=26;
}
khor();
}
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
vorod();
pre();
solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
424 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
424 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
600 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
424 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
600 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
6 ms |
2808 KB |
Output is correct |
32 |
Correct |
6 ms |
2808 KB |
Output is correct |
33 |
Correct |
7 ms |
2808 KB |
Output is correct |
34 |
Correct |
6 ms |
2808 KB |
Output is correct |
35 |
Correct |
7 ms |
2808 KB |
Output is correct |
36 |
Correct |
6 ms |
2940 KB |
Output is correct |
37 |
Correct |
6 ms |
2808 KB |
Output is correct |
38 |
Correct |
6 ms |
2804 KB |
Output is correct |
39 |
Correct |
6 ms |
2948 KB |
Output is correct |
40 |
Correct |
6 ms |
2808 KB |
Output is correct |
41 |
Correct |
6 ms |
2808 KB |
Output is correct |
42 |
Correct |
6 ms |
2804 KB |
Output is correct |
43 |
Correct |
6 ms |
2808 KB |
Output is correct |
44 |
Correct |
6 ms |
2808 KB |
Output is correct |
45 |
Correct |
6 ms |
2808 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
424 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
7 ms |
1116 KB |
Output is correct |
17 |
Correct |
7 ms |
1112 KB |
Output is correct |
18 |
Correct |
10 ms |
976 KB |
Output is correct |
19 |
Correct |
8 ms |
1088 KB |
Output is correct |
20 |
Correct |
7 ms |
1112 KB |
Output is correct |
21 |
Correct |
9 ms |
1116 KB |
Output is correct |
22 |
Correct |
7 ms |
1116 KB |
Output is correct |
23 |
Correct |
7 ms |
1116 KB |
Output is correct |
24 |
Correct |
11 ms |
1116 KB |
Output is correct |
25 |
Correct |
7 ms |
1116 KB |
Output is correct |
26 |
Correct |
7 ms |
1116 KB |
Output is correct |
27 |
Correct |
7 ms |
1116 KB |
Output is correct |
28 |
Correct |
7 ms |
1116 KB |
Output is correct |
29 |
Correct |
7 ms |
1116 KB |
Output is correct |
30 |
Correct |
10 ms |
1116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
424 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
600 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
7 ms |
1116 KB |
Output is correct |
32 |
Correct |
7 ms |
1112 KB |
Output is correct |
33 |
Correct |
10 ms |
976 KB |
Output is correct |
34 |
Correct |
8 ms |
1088 KB |
Output is correct |
35 |
Correct |
7 ms |
1112 KB |
Output is correct |
36 |
Correct |
9 ms |
1116 KB |
Output is correct |
37 |
Correct |
7 ms |
1116 KB |
Output is correct |
38 |
Correct |
7 ms |
1116 KB |
Output is correct |
39 |
Correct |
11 ms |
1116 KB |
Output is correct |
40 |
Correct |
7 ms |
1116 KB |
Output is correct |
41 |
Correct |
7 ms |
1116 KB |
Output is correct |
42 |
Correct |
7 ms |
1116 KB |
Output is correct |
43 |
Correct |
7 ms |
1116 KB |
Output is correct |
44 |
Correct |
7 ms |
1116 KB |
Output is correct |
45 |
Correct |
10 ms |
1116 KB |
Output is correct |
46 |
Correct |
9 ms |
1116 KB |
Output is correct |
47 |
Correct |
8 ms |
1116 KB |
Output is correct |
48 |
Correct |
8 ms |
1128 KB |
Output is correct |
49 |
Correct |
8 ms |
1116 KB |
Output is correct |
50 |
Correct |
8 ms |
1116 KB |
Output is correct |
51 |
Correct |
8 ms |
1116 KB |
Output is correct |
52 |
Correct |
8 ms |
1092 KB |
Output is correct |
53 |
Correct |
9 ms |
1244 KB |
Output is correct |
54 |
Correct |
9 ms |
1112 KB |
Output is correct |
55 |
Correct |
8 ms |
1112 KB |
Output is correct |
56 |
Correct |
9 ms |
1116 KB |
Output is correct |
57 |
Correct |
11 ms |
1112 KB |
Output is correct |
58 |
Correct |
8 ms |
1116 KB |
Output is correct |
59 |
Correct |
8 ms |
1116 KB |
Output is correct |
60 |
Correct |
10 ms |
1112 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
424 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
600 KB |
Output is correct |
29 |
Correct |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
0 ms |
348 KB |
Output is correct |
31 |
Correct |
6 ms |
2808 KB |
Output is correct |
32 |
Correct |
6 ms |
2808 KB |
Output is correct |
33 |
Correct |
7 ms |
2808 KB |
Output is correct |
34 |
Correct |
6 ms |
2808 KB |
Output is correct |
35 |
Correct |
7 ms |
2808 KB |
Output is correct |
36 |
Correct |
6 ms |
2940 KB |
Output is correct |
37 |
Correct |
6 ms |
2808 KB |
Output is correct |
38 |
Correct |
6 ms |
2804 KB |
Output is correct |
39 |
Correct |
6 ms |
2948 KB |
Output is correct |
40 |
Correct |
6 ms |
2808 KB |
Output is correct |
41 |
Correct |
6 ms |
2808 KB |
Output is correct |
42 |
Correct |
6 ms |
2804 KB |
Output is correct |
43 |
Correct |
6 ms |
2808 KB |
Output is correct |
44 |
Correct |
6 ms |
2808 KB |
Output is correct |
45 |
Correct |
6 ms |
2808 KB |
Output is correct |
46 |
Correct |
7 ms |
1116 KB |
Output is correct |
47 |
Correct |
7 ms |
1112 KB |
Output is correct |
48 |
Correct |
10 ms |
976 KB |
Output is correct |
49 |
Correct |
8 ms |
1088 KB |
Output is correct |
50 |
Correct |
7 ms |
1112 KB |
Output is correct |
51 |
Correct |
9 ms |
1116 KB |
Output is correct |
52 |
Correct |
7 ms |
1116 KB |
Output is correct |
53 |
Correct |
7 ms |
1116 KB |
Output is correct |
54 |
Correct |
11 ms |
1116 KB |
Output is correct |
55 |
Correct |
7 ms |
1116 KB |
Output is correct |
56 |
Correct |
7 ms |
1116 KB |
Output is correct |
57 |
Correct |
7 ms |
1116 KB |
Output is correct |
58 |
Correct |
7 ms |
1116 KB |
Output is correct |
59 |
Correct |
7 ms |
1116 KB |
Output is correct |
60 |
Correct |
10 ms |
1116 KB |
Output is correct |
61 |
Correct |
9 ms |
1116 KB |
Output is correct |
62 |
Correct |
8 ms |
1116 KB |
Output is correct |
63 |
Correct |
8 ms |
1128 KB |
Output is correct |
64 |
Correct |
8 ms |
1116 KB |
Output is correct |
65 |
Correct |
8 ms |
1116 KB |
Output is correct |
66 |
Correct |
8 ms |
1116 KB |
Output is correct |
67 |
Correct |
8 ms |
1092 KB |
Output is correct |
68 |
Correct |
9 ms |
1244 KB |
Output is correct |
69 |
Correct |
9 ms |
1112 KB |
Output is correct |
70 |
Correct |
8 ms |
1112 KB |
Output is correct |
71 |
Correct |
9 ms |
1116 KB |
Output is correct |
72 |
Correct |
11 ms |
1112 KB |
Output is correct |
73 |
Correct |
8 ms |
1116 KB |
Output is correct |
74 |
Correct |
8 ms |
1116 KB |
Output is correct |
75 |
Correct |
10 ms |
1112 KB |
Output is correct |
76 |
Correct |
118 ms |
16052 KB |
Output is correct |
77 |
Correct |
119 ms |
16356 KB |
Output is correct |
78 |
Correct |
119 ms |
16044 KB |
Output is correct |
79 |
Correct |
117 ms |
16000 KB |
Output is correct |
80 |
Correct |
118 ms |
16176 KB |
Output is correct |
81 |
Correct |
118 ms |
16000 KB |
Output is correct |
82 |
Correct |
120 ms |
16312 KB |
Output is correct |
83 |
Correct |
123 ms |
15980 KB |
Output is correct |
84 |
Correct |
122 ms |
16004 KB |
Output is correct |
85 |
Correct |
119 ms |
16008 KB |
Output is correct |
86 |
Correct |
150 ms |
16352 KB |
Output is correct |
87 |
Correct |
122 ms |
16372 KB |
Output is correct |
88 |
Correct |
119 ms |
16476 KB |
Output is correct |
89 |
Correct |
117 ms |
16128 KB |
Output is correct |
90 |
Correct |
124 ms |
16352 KB |
Output is correct |