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Submission #791415

# Submission time Handle Problem Language Result Execution time Memory
791415 2023-07-24T06:12:43 Z 박상훈(#10047) Bliskost (COI23_bliskost) C++17
100 / 100
 198 ms 9172 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
char a[1001000], b[1001000];
int ansa, ansb, val[1010], sgn[1001000], n;

inline void add(int &x, int y){
	y %= 26;
	if (y<0) y += 26;
	x = (x+y) % 26;
}

void calc(char a[], int &ans){
	for (int i=1;i<=n;i++) add(ans, val[a[i]] * sgn[i]);
}

int main(){
	int q;
	scanf("%d %d", &n, &q);

	sgn[n] = -1;
	for (int i=n-1,z=0;i>0;i--,z^=1){
		if (z) sgn[i] = -1;
		else sgn[i] = 1;
	}

	val['a'] = 0;
	for (int i=1;i<26;i++) val['a'+i] = 26-i;

	scanf("%s", a+1);
	scanf("%s", b+1);

	calc(a, ansa); calc(b, ansb);
	if (ansa==ansb) printf("da\n");
	else printf("ne\n");

	// printf(" %d / %d\n", ansa, ansb);

	while(q--){
		int x;
		char p;
		scanf("%d %c", &x, &p);

		add(ansa, - val[a[x]] * sgn[x]);
		a[x] = p;
		add(ansa, val[a[x]] * sgn[x]);

		if (ansa==ansb) printf("da\n");
		else printf("ne\n");

		// printf(" %d / %d\n", ansa, ansb);
	}
}

Compilation message

Main.cpp: In function 'void calc(char*, int&)':
Main.cpp:15:41: warning: array subscript has type 'char' [-Wchar-subscripts]
   15 |  for (int i=1;i<=n;i++) add(ans, val[a[i]] * sgn[i]);
      |                                      ~~~^
Main.cpp: In function 'int main()':
Main.cpp:45:22: warning: array subscript has type 'char' [-Wchar-subscripts]
   45 |   add(ansa, - val[a[x]] * sgn[x]);
      |                   ~~~^
Main.cpp:47:20: warning: array subscript has type 'char' [-Wchar-subscripts]
   47 |   add(ansa, val[a[x]] * sgn[x]);
      |                 ~~~^
Main.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |  scanf("%d %d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:31:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |  scanf("%s", a+1);
      |  ~~~~~^~~~~~~~~~~
Main.cpp:32:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |  scanf("%s", b+1);
      |  ~~~~~^~~~~~~~~~~
Main.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |   scanf("%d %c", &x, &p);
      |   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 224 KB Output is correct
30 Correct 0 ms 212 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 224 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 14 ms 6100 KB Output is correct
32 Correct 14 ms 6100 KB Output is correct
33 Correct 15 ms 6100 KB Output is correct
34 Correct 17 ms 6228 KB Output is correct
35 Correct 14 ms 6092 KB Output is correct
36 Correct 14 ms 6100 KB Output is correct
37 Correct 15 ms 6176 KB Output is correct
38 Correct 14 ms 6128 KB Output is correct
39 Correct 14 ms 6172 KB Output is correct
40 Correct 17 ms 6156 KB Output is correct
41 Correct 14 ms 6100 KB Output is correct
42 Correct 14 ms 6156 KB Output is correct
43 Correct 14 ms 6100 KB Output is correct
44 Correct 15 ms 6172 KB Output is correct
45 Correct 14 ms 6164 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 12 ms 596 KB Output is correct
17 Correct 13 ms 596 KB Output is correct
18 Correct 13 ms 592 KB Output is correct
19 Correct 13 ms 548 KB Output is correct
20 Correct 15 ms 664 KB Output is correct
21 Correct 13 ms 536 KB Output is correct
22 Correct 12 ms 596 KB Output is correct
23 Correct 13 ms 596 KB Output is correct
24 Correct 13 ms 532 KB Output is correct
25 Correct 16 ms 584 KB Output is correct
26 Correct 15 ms 596 KB Output is correct
27 Correct 14 ms 596 KB Output is correct
28 Correct 14 ms 596 KB Output is correct
29 Correct 13 ms 520 KB Output is correct
30 Correct 12 ms 580 KB Output is correct

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 224 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 12 ms 596 KB Output is correct
32 Correct 13 ms 596 KB Output is correct
33 Correct 13 ms 592 KB Output is correct
34 Correct 13 ms 548 KB Output is correct
35 Correct 15 ms 664 KB Output is correct
36 Correct 13 ms 536 KB Output is correct
37 Correct 12 ms 596 KB Output is correct
38 Correct 13 ms 596 KB Output is correct
39 Correct 13 ms 532 KB Output is correct
40 Correct 16 ms 584 KB Output is correct
41 Correct 15 ms 596 KB Output is correct
42 Correct 14 ms 596 KB Output is correct
43 Correct 14 ms 596 KB Output is correct
44 Correct 13 ms 520 KB Output is correct
45 Correct 12 ms 580 KB Output is correct
46 Correct 13 ms 572 KB Output is correct
47 Correct 13 ms 572 KB Output is correct
48 Correct 13 ms 556 KB Output is correct
49 Correct 13 ms 596 KB Output is correct
50 Correct 13 ms 596 KB Output is correct
51 Correct 14 ms 628 KB Output is correct
52 Correct 13 ms 552 KB Output is correct
53 Correct 13 ms 636 KB Output is correct
54 Correct 13 ms 568 KB Output is correct
55 Correct 17 ms 584 KB Output is correct
56 Correct 13 ms 596 KB Output is correct
57 Correct 13 ms 556 KB Output is correct
58 Correct 13 ms 596 KB Output is correct
59 Correct 13 ms 596 KB Output is correct
60 Correct 13 ms 596 KB Output is correct

Subtask #6
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 224 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 14 ms 6100 KB Output is correct
32 Correct 14 ms 6100 KB Output is correct
33 Correct 15 ms 6100 KB Output is correct
34 Correct 17 ms 6228 KB Output is correct
35 Correct 14 ms 6092 KB Output is correct
36 Correct 14 ms 6100 KB Output is correct
37 Correct 15 ms 6176 KB Output is correct
38 Correct 14 ms 6128 KB Output is correct
39 Correct 14 ms 6172 KB Output is correct
40 Correct 17 ms 6156 KB Output is correct
41 Correct 14 ms 6100 KB Output is correct
42 Correct 14 ms 6156 KB Output is correct
43 Correct 14 ms 6100 KB Output is correct
44 Correct 15 ms 6172 KB Output is correct
45 Correct 14 ms 6164 KB Output is correct
46 Correct 12 ms 596 KB Output is correct
47 Correct 13 ms 596 KB Output is correct
48 Correct 13 ms 592 KB Output is correct
49 Correct 13 ms 548 KB Output is correct
50 Correct 15 ms 664 KB Output is correct
51 Correct 13 ms 536 KB Output is correct
52 Correct 12 ms 596 KB Output is correct
53 Correct 13 ms 596 KB Output is correct
54 Correct 13 ms 532 KB Output is correct
55 Correct 16 ms 584 KB Output is correct
56 Correct 15 ms 596 KB Output is correct
57 Correct 14 ms 596 KB Output is correct
58 Correct 14 ms 596 KB Output is correct
59 Correct 13 ms 520 KB Output is correct
60 Correct 12 ms 580 KB Output is correct
61 Correct 13 ms 572 KB Output is correct
62 Correct 13 ms 572 KB Output is correct
63 Correct 13 ms 556 KB Output is correct
64 Correct 13 ms 596 KB Output is correct
65 Correct 13 ms 596 KB Output is correct
66 Correct 14 ms 628 KB Output is correct
67 Correct 13 ms 552 KB Output is correct
68 Correct 13 ms 636 KB Output is correct
69 Correct 13 ms 568 KB Output is correct
70 Correct 17 ms 584 KB Output is correct
71 Correct 13 ms 596 KB Output is correct
72 Correct 13 ms 556 KB Output is correct
73 Correct 13 ms 596 KB Output is correct
74 Correct 13 ms 596 KB Output is correct
75 Correct 13 ms 596 KB Output is correct
76 Correct 185 ms 9172 KB Output is correct
77 Correct 160 ms 9164 KB Output is correct
78 Correct 162 ms 9164 KB Output is correct
79 Correct 198 ms 9068 KB Output is correct
80 Correct 165 ms 9164 KB Output is correct
81 Correct 176 ms 9160 KB Output is correct
82 Correct 176 ms 9088 KB Output is correct
83 Correct 163 ms 9136 KB Output is correct
84 Correct 161 ms 9148 KB Output is correct
85 Correct 160 ms 9068 KB Output is correct
86 Correct 183 ms 9144 KB Output is correct
87 Correct 162 ms 9116 KB Output is correct
88 Correct 190 ms 9164 KB Output is correct
89 Correct 158 ms 9112 KB Output is correct
90 Correct 163 ms 9168 KB Output is correct