#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
#define int long long
#define ll long long
typedef unsigned long long ull;
using namespace std;
const int N=1e6+5;
int n,q,a[N];
char s[N],z[N];
int32_t main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
cin>>n>>q;
for (int i=1;i<=n;i++) cin>>s[i];
for (int i=1;i<=n;i++) cin>>z[i];
for (int i=1;i<=n;i++) a[i]=((z[i]-'a')-(s[i]-'a')+26)%26;
int p=0;
for (int i=1;i<n;i++) p=26-a[i]-p;
p+=26*1e10;
p%=26;
for (int Q=0;Q<=q;Q++){
if (Q){
int i;char c;
cin>>i>>c;
s[i]=c;
int x=a[i];
a[i]=((z[i]-'a')-(s[i]-'a')+26)%26;
int d=(a[i]-x+26)%26;
if (i<n){
if ((n-i)&1) p=(p-d+26)%26;
else p=(p+d)%26;
}
}
//cout<<p<<endl;
if ((p+a[n])%26) cout<<"ne"<<endl;
else cout<<"da"<<endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2516 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
3 ms |
2396 KB |
Output is correct |
13 |
Correct |
2 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
2 ms |
2392 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2516 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
3 ms |
2396 KB |
Output is correct |
13 |
Correct |
2 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
2 ms |
2392 KB |
Output is correct |
16 |
Correct |
2 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
2 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2392 KB |
Output is correct |
24 |
Correct |
1 ms |
2392 KB |
Output is correct |
25 |
Correct |
2 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2516 KB |
Output is correct |
27 |
Correct |
1 ms |
2648 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2516 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
3 ms |
2396 KB |
Output is correct |
13 |
Correct |
2 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
2 ms |
2392 KB |
Output is correct |
16 |
Correct |
2 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
2 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2392 KB |
Output is correct |
24 |
Correct |
1 ms |
2392 KB |
Output is correct |
25 |
Correct |
2 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2516 KB |
Output is correct |
27 |
Correct |
1 ms |
2648 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
31 |
Correct |
24 ms |
11456 KB |
Output is correct |
32 |
Correct |
21 ms |
11344 KB |
Output is correct |
33 |
Correct |
21 ms |
11348 KB |
Output is correct |
34 |
Correct |
22 ms |
11512 KB |
Output is correct |
35 |
Correct |
22 ms |
11348 KB |
Output is correct |
36 |
Correct |
23 ms |
11356 KB |
Output is correct |
37 |
Correct |
26 ms |
11292 KB |
Output is correct |
38 |
Correct |
24 ms |
11276 KB |
Output is correct |
39 |
Correct |
22 ms |
11380 KB |
Output is correct |
40 |
Correct |
21 ms |
11348 KB |
Output is correct |
41 |
Correct |
21 ms |
11348 KB |
Output is correct |
42 |
Correct |
22 ms |
11344 KB |
Output is correct |
43 |
Correct |
21 ms |
11352 KB |
Output is correct |
44 |
Correct |
21 ms |
11348 KB |
Output is correct |
45 |
Correct |
23 ms |
11600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2516 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
3 ms |
2396 KB |
Output is correct |
13 |
Correct |
2 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
2 ms |
2392 KB |
Output is correct |
16 |
Correct |
11 ms |
3160 KB |
Output is correct |
17 |
Correct |
11 ms |
3140 KB |
Output is correct |
18 |
Correct |
12 ms |
3160 KB |
Output is correct |
19 |
Correct |
12 ms |
3160 KB |
Output is correct |
20 |
Correct |
11 ms |
3164 KB |
Output is correct |
21 |
Correct |
14 ms |
3164 KB |
Output is correct |
22 |
Correct |
15 ms |
3164 KB |
Output is correct |
23 |
Correct |
14 ms |
3156 KB |
Output is correct |
24 |
Correct |
12 ms |
3164 KB |
Output is correct |
25 |
Correct |
12 ms |
3160 KB |
Output is correct |
26 |
Correct |
14 ms |
3160 KB |
Output is correct |
27 |
Correct |
11 ms |
3164 KB |
Output is correct |
28 |
Correct |
12 ms |
3040 KB |
Output is correct |
29 |
Correct |
12 ms |
3164 KB |
Output is correct |
30 |
Correct |
11 ms |
3164 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2516 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
3 ms |
2396 KB |
Output is correct |
13 |
Correct |
2 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
2 ms |
2392 KB |
Output is correct |
16 |
Correct |
2 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
2 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2392 KB |
Output is correct |
24 |
Correct |
1 ms |
2392 KB |
Output is correct |
25 |
Correct |
2 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2516 KB |
Output is correct |
27 |
Correct |
1 ms |
2648 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
31 |
Correct |
11 ms |
3160 KB |
Output is correct |
32 |
Correct |
11 ms |
3140 KB |
Output is correct |
33 |
Correct |
12 ms |
3160 KB |
Output is correct |
34 |
Correct |
12 ms |
3160 KB |
Output is correct |
35 |
Correct |
11 ms |
3164 KB |
Output is correct |
36 |
Correct |
14 ms |
3164 KB |
Output is correct |
37 |
Correct |
15 ms |
3164 KB |
Output is correct |
38 |
Correct |
14 ms |
3156 KB |
Output is correct |
39 |
Correct |
12 ms |
3164 KB |
Output is correct |
40 |
Correct |
12 ms |
3160 KB |
Output is correct |
41 |
Correct |
14 ms |
3160 KB |
Output is correct |
42 |
Correct |
11 ms |
3164 KB |
Output is correct |
43 |
Correct |
12 ms |
3040 KB |
Output is correct |
44 |
Correct |
12 ms |
3164 KB |
Output is correct |
45 |
Correct |
11 ms |
3164 KB |
Output is correct |
46 |
Correct |
12 ms |
3164 KB |
Output is correct |
47 |
Correct |
14 ms |
3236 KB |
Output is correct |
48 |
Correct |
12 ms |
3296 KB |
Output is correct |
49 |
Correct |
13 ms |
3164 KB |
Output is correct |
50 |
Correct |
15 ms |
3164 KB |
Output is correct |
51 |
Correct |
14 ms |
3164 KB |
Output is correct |
52 |
Correct |
12 ms |
3164 KB |
Output is correct |
53 |
Correct |
12 ms |
3164 KB |
Output is correct |
54 |
Correct |
14 ms |
3148 KB |
Output is correct |
55 |
Correct |
12 ms |
3160 KB |
Output is correct |
56 |
Correct |
12 ms |
3156 KB |
Output is correct |
57 |
Correct |
14 ms |
3164 KB |
Output is correct |
58 |
Correct |
13 ms |
3220 KB |
Output is correct |
59 |
Correct |
13 ms |
3160 KB |
Output is correct |
60 |
Correct |
13 ms |
3160 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2516 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
0 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2392 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2392 KB |
Output is correct |
12 |
Correct |
3 ms |
2396 KB |
Output is correct |
13 |
Correct |
2 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2392 KB |
Output is correct |
15 |
Correct |
2 ms |
2392 KB |
Output is correct |
16 |
Correct |
2 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2392 KB |
Output is correct |
18 |
Correct |
2 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2392 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2392 KB |
Output is correct |
24 |
Correct |
1 ms |
2392 KB |
Output is correct |
25 |
Correct |
2 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2516 KB |
Output is correct |
27 |
Correct |
1 ms |
2648 KB |
Output is correct |
28 |
Correct |
1 ms |
2396 KB |
Output is correct |
29 |
Correct |
1 ms |
2396 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
31 |
Correct |
24 ms |
11456 KB |
Output is correct |
32 |
Correct |
21 ms |
11344 KB |
Output is correct |
33 |
Correct |
21 ms |
11348 KB |
Output is correct |
34 |
Correct |
22 ms |
11512 KB |
Output is correct |
35 |
Correct |
22 ms |
11348 KB |
Output is correct |
36 |
Correct |
23 ms |
11356 KB |
Output is correct |
37 |
Correct |
26 ms |
11292 KB |
Output is correct |
38 |
Correct |
24 ms |
11276 KB |
Output is correct |
39 |
Correct |
22 ms |
11380 KB |
Output is correct |
40 |
Correct |
21 ms |
11348 KB |
Output is correct |
41 |
Correct |
21 ms |
11348 KB |
Output is correct |
42 |
Correct |
22 ms |
11344 KB |
Output is correct |
43 |
Correct |
21 ms |
11352 KB |
Output is correct |
44 |
Correct |
21 ms |
11348 KB |
Output is correct |
45 |
Correct |
23 ms |
11600 KB |
Output is correct |
46 |
Correct |
11 ms |
3160 KB |
Output is correct |
47 |
Correct |
11 ms |
3140 KB |
Output is correct |
48 |
Correct |
12 ms |
3160 KB |
Output is correct |
49 |
Correct |
12 ms |
3160 KB |
Output is correct |
50 |
Correct |
11 ms |
3164 KB |
Output is correct |
51 |
Correct |
14 ms |
3164 KB |
Output is correct |
52 |
Correct |
15 ms |
3164 KB |
Output is correct |
53 |
Correct |
14 ms |
3156 KB |
Output is correct |
54 |
Correct |
12 ms |
3164 KB |
Output is correct |
55 |
Correct |
12 ms |
3160 KB |
Output is correct |
56 |
Correct |
14 ms |
3160 KB |
Output is correct |
57 |
Correct |
11 ms |
3164 KB |
Output is correct |
58 |
Correct |
12 ms |
3040 KB |
Output is correct |
59 |
Correct |
12 ms |
3164 KB |
Output is correct |
60 |
Correct |
11 ms |
3164 KB |
Output is correct |
61 |
Correct |
12 ms |
3164 KB |
Output is correct |
62 |
Correct |
14 ms |
3236 KB |
Output is correct |
63 |
Correct |
12 ms |
3296 KB |
Output is correct |
64 |
Correct |
13 ms |
3164 KB |
Output is correct |
65 |
Correct |
15 ms |
3164 KB |
Output is correct |
66 |
Correct |
14 ms |
3164 KB |
Output is correct |
67 |
Correct |
12 ms |
3164 KB |
Output is correct |
68 |
Correct |
12 ms |
3164 KB |
Output is correct |
69 |
Correct |
14 ms |
3148 KB |
Output is correct |
70 |
Correct |
12 ms |
3160 KB |
Output is correct |
71 |
Correct |
12 ms |
3156 KB |
Output is correct |
72 |
Correct |
14 ms |
3164 KB |
Output is correct |
73 |
Correct |
13 ms |
3220 KB |
Output is correct |
74 |
Correct |
13 ms |
3160 KB |
Output is correct |
75 |
Correct |
13 ms |
3160 KB |
Output is correct |
76 |
Correct |
168 ms |
22868 KB |
Output is correct |
77 |
Correct |
168 ms |
23868 KB |
Output is correct |
78 |
Correct |
219 ms |
23636 KB |
Output is correct |
79 |
Correct |
164 ms |
23748 KB |
Output is correct |
80 |
Correct |
212 ms |
23632 KB |
Output is correct |
81 |
Correct |
190 ms |
23664 KB |
Output is correct |
82 |
Correct |
168 ms |
23840 KB |
Output is correct |
83 |
Correct |
164 ms |
23632 KB |
Output is correct |
84 |
Correct |
175 ms |
23924 KB |
Output is correct |
85 |
Correct |
192 ms |
23640 KB |
Output is correct |
86 |
Correct |
162 ms |
23864 KB |
Output is correct |
87 |
Correct |
220 ms |
23824 KB |
Output is correct |
88 |
Correct |
168 ms |
23632 KB |
Output is correct |
89 |
Correct |
226 ms |
23772 KB |
Output is correct |
90 |
Correct |
188 ms |
23636 KB |
Output is correct |