oj.uz

Submission #51317

# Submission time Handle Problem Language Result Execution time Memory
51317 2018-06-17T13:04:42 Z ho94949 Rope (JOI17_rope) C++17
55 / 100
 2500 ms 13580 KB 
#include<bits/stdc++.h>
using namespace std;
int N, K;
int arr[1010101];
int ans[1010101];
int cnt[1010101];
int evalodd(int c)
{
	memset(cnt+1, 0, sizeof(int)*K);
	int ans = 0;
	if(arr[0] != c) cnt[arr[0]]++;
	else ++ans;
	for(int i=0; i<(N-1)/2; ++i)
	{
		int l = arr[2*i+1], r = arr[2*i+2];
		if(l == c && r == c)
			ans += 2;
		else if(l == c || r == c)
			ans++;
		else
			cnt[l]++, cnt[r]++;
	}
	if(N%2==0)
	{
		if(arr[N-1] != c)
			cnt[arr[N-1]]++;
		else
			++ans;
	}
	/*
	puts("==O==");
	printf("%d\n", c);
	for(int i=1; i<=K; ++i)
		printf("%d ", cnt[i]);
	printf("\n%d\n", ans);
	puts("=====");
	*/
	return ans + *max_element(cnt+1, cnt+K+1);
}
int evaleven(int c)
{
	memset(cnt+1, 0, sizeof(int)*K);
	int ans = 0;
	for(int i=0; i<N/2; ++i)
	{
		int l = arr[2*i], r = arr[2*i+1];
		if(l == c && r == c)
			ans += 2;
		else if(l == c || r == c)
			ans++;
		else
			cnt[l]++, cnt[r]++;
	}
	if(N%2==1)
	{
		if(arr[N-1] != c)
			cnt[arr[N-1]]++;
		else
			++ans;
	}
	/*
	puts("==E==");
	printf("%d\n", c);
	for(int i=1; i<=K; ++i)
		printf("%d ", cnt[i]);
	printf("\n%d\n", ans);
	puts("=====");
	*/
	return ans + *max_element(cnt+1, cnt+K+1);
}
int main()
{
	scanf("%d%d", &N, &K);
	for(int i=0; i<N; ++i) scanf("%d", arr+i);
	for(int i=1; i<=K; ++i)
		ans[i] = 0x3f3f3f3f;
	for(int i=1; i<=K; ++i)
		printf("%d\n", N-max(evaleven(i), evalodd(i)));
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:73:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &K);
  ~~~~~^~~~~~~~~~~~~~~~
rope.cpp:74:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0; i<N; ++i) scanf("%d", arr+i);
                         ~~~~~^~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 428 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 2 ms 428 KB Output is correct
6 Correct 2 ms 480 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 616 KB Output is correct
9 Correct 2 ms 616 KB Output is correct
10 Correct 2 ms 652 KB Output is correct
11 Correct 2 ms 652 KB Output is correct
12 Correct 2 ms 700 KB Output is correct
13 Correct 2 ms 700 KB Output is correct
14 Correct 2 ms 700 KB Output is correct
15 Correct 2 ms 724 KB Output is correct
16 Correct 2 ms 724 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 724 KB Output is correct
19 Correct 3 ms 724 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 724 KB Output is correct
22 Correct 2 ms 724 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 2 ms 732 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 428 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 2 ms 428 KB Output is correct
6 Correct 2 ms 480 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 616 KB Output is correct
9 Correct 2 ms 616 KB Output is correct
10 Correct 2 ms 652 KB Output is correct
11 Correct 2 ms 652 KB Output is correct
12 Correct 2 ms 700 KB Output is correct
13 Correct 2 ms 700 KB Output is correct
14 Correct 2 ms 700 KB Output is correct
15 Correct 2 ms 724 KB Output is correct
16 Correct 2 ms 724 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 724 KB Output is correct
19 Correct 3 ms 724 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 724 KB Output is correct
22 Correct 2 ms 724 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 2 ms 732 KB Output is correct
27 Correct 17 ms 988 KB Output is correct
28 Correct 17 ms 996 KB Output is correct
29 Correct 16 ms 1012 KB Output is correct
30 Correct 17 ms 1012 KB Output is correct
31 Correct 16 ms 1012 KB Output is correct
32 Correct 14 ms 1012 KB Output is correct
33 Correct 16 ms 1012 KB Output is correct
34 Correct 17 ms 1132 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 428 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 2 ms 428 KB Output is correct
6 Correct 2 ms 480 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 616 KB Output is correct
9 Correct 2 ms 616 KB Output is correct
10 Correct 2 ms 652 KB Output is correct
11 Correct 2 ms 652 KB Output is correct
12 Correct 2 ms 700 KB Output is correct
13 Correct 2 ms 700 KB Output is correct
14 Correct 2 ms 700 KB Output is correct
15 Correct 2 ms 724 KB Output is correct
16 Correct 2 ms 724 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 724 KB Output is correct
19 Correct 3 ms 724 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 724 KB Output is correct
22 Correct 2 ms 724 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 2 ms 732 KB Output is correct
27 Correct 17 ms 988 KB Output is correct
28 Correct 17 ms 996 KB Output is correct
29 Correct 16 ms 1012 KB Output is correct
30 Correct 17 ms 1012 KB Output is correct
31 Correct 16 ms 1012 KB Output is correct
32 Correct 14 ms 1012 KB Output is correct
33 Correct 16 ms 1012 KB Output is correct
34 Correct 17 ms 1132 KB Output is correct
35 Correct 131 ms 1148 KB Output is correct
36 Correct 139 ms 1324 KB Output is correct
37 Correct 125 ms 1928 KB Output is correct
38 Correct 116 ms 2200 KB Output is correct
39 Correct 119 ms 2568 KB Output is correct
40 Correct 137 ms 2928 KB Output is correct
41 Correct 140 ms 3440 KB Output is correct
42 Correct 128 ms 3684 KB Output is correct
43 Correct 104 ms 4052 KB Output is correct
44 Correct 135 ms 4292 KB Output is correct
45 Correct 137 ms 4772 KB Output is correct
46 Correct 116 ms 5032 KB Output is correct
47 Correct 94 ms 5396 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 428 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 2 ms 428 KB Output is correct
6 Correct 2 ms 480 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 616 KB Output is correct
9 Correct 2 ms 616 KB Output is correct
10 Correct 2 ms 652 KB Output is correct
11 Correct 2 ms 652 KB Output is correct
12 Correct 2 ms 700 KB Output is correct
13 Correct 2 ms 700 KB Output is correct
14 Correct 2 ms 700 KB Output is correct
15 Correct 2 ms 724 KB Output is correct
16 Correct 2 ms 724 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 724 KB Output is correct
19 Correct 3 ms 724 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 724 KB Output is correct
22 Correct 2 ms 724 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 2 ms 732 KB Output is correct
27 Correct 17 ms 988 KB Output is correct
28 Correct 17 ms 996 KB Output is correct
29 Correct 16 ms 1012 KB Output is correct
30 Correct 17 ms 1012 KB Output is correct
31 Correct 16 ms 1012 KB Output is correct
32 Correct 14 ms 1012 KB Output is correct
33 Correct 16 ms 1012 KB Output is correct
34 Correct 17 ms 1132 KB Output is correct
35 Correct 131 ms 1148 KB Output is correct
36 Correct 139 ms 1324 KB Output is correct
37 Correct 125 ms 1928 KB Output is correct
38 Correct 116 ms 2200 KB Output is correct
39 Correct 119 ms 2568 KB Output is correct
40 Correct 137 ms 2928 KB Output is correct
41 Correct 140 ms 3440 KB Output is correct
42 Correct 128 ms 3684 KB Output is correct
43 Correct 104 ms 4052 KB Output is correct
44 Correct 135 ms 4292 KB Output is correct
45 Correct 137 ms 4772 KB Output is correct
46 Correct 116 ms 5032 KB Output is correct
47 Correct 94 ms 5396 KB Output is correct
48 Execution timed out 2552 ms 13580 KB Time limit exceeded
49 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 428 KB Output is correct
4 Correct 2 ms 428 KB Output is correct
5 Correct 2 ms 428 KB Output is correct
6 Correct 2 ms 480 KB Output is correct
7 Correct 2 ms 616 KB Output is correct
8 Correct 2 ms 616 KB Output is correct
9 Correct 2 ms 616 KB Output is correct
10 Correct 2 ms 652 KB Output is correct
11 Correct 2 ms 652 KB Output is correct
12 Correct 2 ms 700 KB Output is correct
13 Correct 2 ms 700 KB Output is correct
14 Correct 2 ms 700 KB Output is correct
15 Correct 2 ms 724 KB Output is correct
16 Correct 2 ms 724 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 724 KB Output is correct
19 Correct 3 ms 724 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 724 KB Output is correct
22 Correct 2 ms 724 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 2 ms 732 KB Output is correct
27 Correct 17 ms 988 KB Output is correct
28 Correct 17 ms 996 KB Output is correct
29 Correct 16 ms 1012 KB Output is correct
30 Correct 17 ms 1012 KB Output is correct
31 Correct 16 ms 1012 KB Output is correct
32 Correct 14 ms 1012 KB Output is correct
33 Correct 16 ms 1012 KB Output is correct
34 Correct 17 ms 1132 KB Output is correct
35 Correct 131 ms 1148 KB Output is correct
36 Correct 139 ms 1324 KB Output is correct
37 Correct 125 ms 1928 KB Output is correct
38 Correct 116 ms 2200 KB Output is correct
39 Correct 119 ms 2568 KB Output is correct
40 Correct 137 ms 2928 KB Output is correct
41 Correct 140 ms 3440 KB Output is correct
42 Correct 128 ms 3684 KB Output is correct
43 Correct 104 ms 4052 KB Output is correct
44 Correct 135 ms 4292 KB Output is correct
45 Correct 137 ms 4772 KB Output is correct
46 Correct 116 ms 5032 KB Output is correct
47 Correct 94 ms 5396 KB Output is correct
48 Execution timed out 2552 ms 13580 KB Time limit exceeded
49 Halted 0 ms 0 KB -