Submission #20929

# Submission time Handle Problem Language Result Execution time Memory
20929 2017-03-22T00:30:14 Z gs14004 Rope (JOI17_rope) C++11
80 / 100
559 ms 70680 KB
#include <bits/stdc++.h>
typedef long long lint;
typedef long double llf;
using namespace std;
typedef pair<int, int> pi;

int n, m, a[1000005];
int ans[1000005], occ[1000005], sum;
vector<int> pnt[1000005];

void get_table(int s, int e){
	sum = 0;
	memset(occ, 0, sizeof(occ));
	for(int i=1; i<=n; i++) pnt[i].clear();
	for(int i=s+1; i<=e; i+=2){
		if(a[i-1] == a[i]){
			sum += 2;
			occ[a[i]] += 2;
			pnt[a[i]].push_back(a[i]);
			pnt[a[i]].push_back(a[i]);
		}
		else{
			int x = a[i-1], y = a[i];
			sum += 2;
			occ[x]++;
			occ[y]++;
			pnt[x].push_back(x);
			pnt[x].push_back(y);
			pnt[y].push_back(x);
			pnt[y].push_back(y);
		}
	}
}

int chk[1000005];

void sweep(){
	vector<pi> v;
	for(int i=1; i<=n; i++) v.push_back(pi(occ[i], i));
	sort(v.begin(), v.end());
	reverse(v.begin(), v.end());
	for(int i=1; i<=m; i++){
		int cur = -1e9;
		for(auto &j : pnt[i]) chk[j]++;
		for(auto &j : v){
			cur = max(cur, j.first - chk[j.second]);
			if(!chk[j.second]) break;
		}
		for(auto &j : pnt[i]) chk[j]--;
		ans[i] = min(ans[i], sum - occ[i] - cur);
	}
}

int main(){
	scanf("%d %d",&n,&m);
	for(int i=1; i<=n; i++){
		scanf("%d",&a[i]);
	}
	if(m > 5000) return 0;
	memset(ans, 0x3f, sizeof(ans));
	if(n % 2 == 0){
		get_table(1, n);
		sweep();
		get_table(2, n-1);
		sum += 2;
		occ[a[1]]++;
		occ[a[n]]++;
		pnt[a[1]].push_back(a[1]);
		pnt[a[n]].push_back(a[n]);
		sweep();
	}
	else{
		get_table(1, n-1);
		sum++;
		occ[a[n]]++;
		pnt[a[n]].push_back(a[n]);
		sweep();
		get_table(2, n);
		sum++;
		occ[a[1]]++;
		pnt[a[1]].push_back(a[1]);
		sweep();
	}
	for(int i=1; i<=m; i++) printf("%d\n", ans[i]);
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:55:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
                      ^
rope.cpp:57:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^

# Verdict Execution time Memory Grader output
1 Correct 3 ms 41084 KB Output is correct
2 Correct 9 ms 41084 KB Output is correct
3 Correct 3 ms 41084 KB Output is correct
4 Correct 6 ms 41084 KB Output is correct
5 Correct 6 ms 41084 KB Output is correct
6 Correct 3 ms 41084 KB Output is correct
7 Correct 0 ms 41084 KB Output is correct
8 Correct 3 ms 41084 KB Output is correct
9 Correct 6 ms 41084 KB Output is correct
10 Correct 9 ms 41084 KB Output is correct
11 Correct 3 ms 41084 KB Output is correct
12 Correct 3 ms 41084 KB Output is correct
13 Correct 9 ms 41084 KB Output is correct
14 Correct 6 ms 41084 KB Output is correct
15 Correct 3 ms 41084 KB Output is correct
16 Correct 6 ms 41084 KB Output is correct
17 Correct 6 ms 41084 KB Output is correct
18 Correct 3 ms 41084 KB Output is correct
19 Correct 9 ms 41084 KB Output is correct
20 Correct 3 ms 41084 KB Output is correct
21 Correct 3 ms 41084 KB Output is correct
22 Correct 6 ms 41084 KB Output is correct
23 Correct 6 ms 41084 KB Output is correct
24 Correct 9 ms 41084 KB Output is correct
25 Correct 6 ms 41084 KB Output is correct
26 Correct 6 ms 41084 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 41084 KB Output is correct
2 Correct 9 ms 41084 KB Output is correct
3 Correct 3 ms 41084 KB Output is correct
4 Correct 6 ms 41084 KB Output is correct
5 Correct 6 ms 41084 KB Output is correct
6 Correct 3 ms 41084 KB Output is correct
7 Correct 0 ms 41084 KB Output is correct
8 Correct 3 ms 41084 KB Output is correct
9 Correct 6 ms 41084 KB Output is correct
10 Correct 9 ms 41084 KB Output is correct
11 Correct 3 ms 41084 KB Output is correct
12 Correct 3 ms 41084 KB Output is correct
13 Correct 9 ms 41084 KB Output is correct
14 Correct 6 ms 41084 KB Output is correct
15 Correct 3 ms 41084 KB Output is correct
16 Correct 6 ms 41084 KB Output is correct
17 Correct 6 ms 41084 KB Output is correct
18 Correct 3 ms 41084 KB Output is correct
19 Correct 9 ms 41084 KB Output is correct
20 Correct 3 ms 41084 KB Output is correct
21 Correct 3 ms 41084 KB Output is correct
22 Correct 6 ms 41084 KB Output is correct
23 Correct 6 ms 41084 KB Output is correct
24 Correct 9 ms 41084 KB Output is correct
25 Correct 6 ms 41084 KB Output is correct
26 Correct 6 ms 41084 KB Output is correct
27 Correct 49 ms 44604 KB Output is correct
28 Correct 59 ms 44248 KB Output is correct
29 Correct 53 ms 44416 KB Output is correct
30 Correct 53 ms 44508 KB Output is correct
31 Correct 56 ms 44536 KB Output is correct
32 Correct 59 ms 44244 KB Output is correct
33 Correct 43 ms 44400 KB Output is correct
34 Correct 46 ms 44508 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 41084 KB Output is correct
2 Correct 9 ms 41084 KB Output is correct
3 Correct 3 ms 41084 KB Output is correct
4 Correct 6 ms 41084 KB Output is correct
5 Correct 6 ms 41084 KB Output is correct
6 Correct 3 ms 41084 KB Output is correct
7 Correct 0 ms 41084 KB Output is correct
8 Correct 3 ms 41084 KB Output is correct
9 Correct 6 ms 41084 KB Output is correct
10 Correct 9 ms 41084 KB Output is correct
11 Correct 3 ms 41084 KB Output is correct
12 Correct 3 ms 41084 KB Output is correct
13 Correct 9 ms 41084 KB Output is correct
14 Correct 6 ms 41084 KB Output is correct
15 Correct 3 ms 41084 KB Output is correct
16 Correct 6 ms 41084 KB Output is correct
17 Correct 6 ms 41084 KB Output is correct
18 Correct 3 ms 41084 KB Output is correct
19 Correct 9 ms 41084 KB Output is correct
20 Correct 3 ms 41084 KB Output is correct
21 Correct 3 ms 41084 KB Output is correct
22 Correct 6 ms 41084 KB Output is correct
23 Correct 6 ms 41084 KB Output is correct
24 Correct 9 ms 41084 KB Output is correct
25 Correct 6 ms 41084 KB Output is correct
26 Correct 6 ms 41084 KB Output is correct
27 Correct 49 ms 44604 KB Output is correct
28 Correct 59 ms 44248 KB Output is correct
29 Correct 53 ms 44416 KB Output is correct
30 Correct 53 ms 44508 KB Output is correct
31 Correct 56 ms 44536 KB Output is correct
32 Correct 59 ms 44244 KB Output is correct
33 Correct 43 ms 44400 KB Output is correct
34 Correct 46 ms 44508 KB Output is correct
35 Correct 46 ms 44300 KB Output is correct
36 Correct 49 ms 44320 KB Output is correct
37 Correct 56 ms 44252 KB Output is correct
38 Correct 63 ms 44296 KB Output is correct
39 Correct 49 ms 44300 KB Output is correct
40 Correct 49 ms 44472 KB Output is correct
41 Correct 43 ms 44480 KB Output is correct
42 Correct 56 ms 44428 KB Output is correct
43 Correct 53 ms 44492 KB Output is correct
44 Correct 49 ms 44456 KB Output is correct
45 Correct 43 ms 44468 KB Output is correct
46 Correct 53 ms 44420 KB Output is correct
47 Correct 59 ms 44480 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 41084 KB Output is correct
2 Correct 9 ms 41084 KB Output is correct
3 Correct 3 ms 41084 KB Output is correct
4 Correct 6 ms 41084 KB Output is correct
5 Correct 6 ms 41084 KB Output is correct
6 Correct 3 ms 41084 KB Output is correct
7 Correct 0 ms 41084 KB Output is correct
8 Correct 3 ms 41084 KB Output is correct
9 Correct 6 ms 41084 KB Output is correct
10 Correct 9 ms 41084 KB Output is correct
11 Correct 3 ms 41084 KB Output is correct
12 Correct 3 ms 41084 KB Output is correct
13 Correct 9 ms 41084 KB Output is correct
14 Correct 6 ms 41084 KB Output is correct
15 Correct 3 ms 41084 KB Output is correct
16 Correct 6 ms 41084 KB Output is correct
17 Correct 6 ms 41084 KB Output is correct
18 Correct 3 ms 41084 KB Output is correct
19 Correct 9 ms 41084 KB Output is correct
20 Correct 3 ms 41084 KB Output is correct
21 Correct 3 ms 41084 KB Output is correct
22 Correct 6 ms 41084 KB Output is correct
23 Correct 6 ms 41084 KB Output is correct
24 Correct 9 ms 41084 KB Output is correct
25 Correct 6 ms 41084 KB Output is correct
26 Correct 6 ms 41084 KB Output is correct
27 Correct 49 ms 44604 KB Output is correct
28 Correct 59 ms 44248 KB Output is correct
29 Correct 53 ms 44416 KB Output is correct
30 Correct 53 ms 44508 KB Output is correct
31 Correct 56 ms 44536 KB Output is correct
32 Correct 59 ms 44244 KB Output is correct
33 Correct 43 ms 44400 KB Output is correct
34 Correct 46 ms 44508 KB Output is correct
35 Correct 46 ms 44300 KB Output is correct
36 Correct 49 ms 44320 KB Output is correct
37 Correct 56 ms 44252 KB Output is correct
38 Correct 63 ms 44296 KB Output is correct
39 Correct 49 ms 44300 KB Output is correct
40 Correct 49 ms 44472 KB Output is correct
41 Correct 43 ms 44480 KB Output is correct
42 Correct 56 ms 44428 KB Output is correct
43 Correct 53 ms 44492 KB Output is correct
44 Correct 49 ms 44456 KB Output is correct
45 Correct 43 ms 44468 KB Output is correct
46 Correct 53 ms 44420 KB Output is correct
47 Correct 59 ms 44480 KB Output is correct
48 Correct 549 ms 70680 KB Output is correct
49 Correct 559 ms 70652 KB Output is correct
50 Correct 543 ms 70648 KB Output is correct
51 Correct 559 ms 70628 KB Output is correct
52 Correct 516 ms 68852 KB Output is correct
53 Correct 536 ms 69108 KB Output is correct
54 Correct 499 ms 67088 KB Output is correct
55 Correct 506 ms 66760 KB Output is correct
56 Correct 516 ms 66152 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 41084 KB Output is correct
2 Correct 9 ms 41084 KB Output is correct
3 Correct 3 ms 41084 KB Output is correct
4 Correct 6 ms 41084 KB Output is correct
5 Correct 6 ms 41084 KB Output is correct
6 Correct 3 ms 41084 KB Output is correct
7 Correct 0 ms 41084 KB Output is correct
8 Correct 3 ms 41084 KB Output is correct
9 Correct 6 ms 41084 KB Output is correct
10 Correct 9 ms 41084 KB Output is correct
11 Correct 3 ms 41084 KB Output is correct
12 Correct 3 ms 41084 KB Output is correct
13 Correct 9 ms 41084 KB Output is correct
14 Correct 6 ms 41084 KB Output is correct
15 Correct 3 ms 41084 KB Output is correct
16 Correct 6 ms 41084 KB Output is correct
17 Correct 6 ms 41084 KB Output is correct
18 Correct 3 ms 41084 KB Output is correct
19 Correct 9 ms 41084 KB Output is correct
20 Correct 3 ms 41084 KB Output is correct
21 Correct 3 ms 41084 KB Output is correct
22 Correct 6 ms 41084 KB Output is correct
23 Correct 6 ms 41084 KB Output is correct
24 Correct 9 ms 41084 KB Output is correct
25 Correct 6 ms 41084 KB Output is correct
26 Correct 6 ms 41084 KB Output is correct
27 Correct 49 ms 44604 KB Output is correct
28 Correct 59 ms 44248 KB Output is correct
29 Correct 53 ms 44416 KB Output is correct
30 Correct 53 ms 44508 KB Output is correct
31 Correct 56 ms 44536 KB Output is correct
32 Correct 59 ms 44244 KB Output is correct
33 Correct 43 ms 44400 KB Output is correct
34 Correct 46 ms 44508 KB Output is correct
35 Correct 46 ms 44300 KB Output is correct
36 Correct 49 ms 44320 KB Output is correct
37 Correct 56 ms 44252 KB Output is correct
38 Correct 63 ms 44296 KB Output is correct
39 Correct 49 ms 44300 KB Output is correct
40 Correct 49 ms 44472 KB Output is correct
41 Correct 43 ms 44480 KB Output is correct
42 Correct 56 ms 44428 KB Output is correct
43 Correct 53 ms 44492 KB Output is correct
44 Correct 49 ms 44456 KB Output is correct
45 Correct 43 ms 44468 KB Output is correct
46 Correct 53 ms 44420 KB Output is correct
47 Correct 59 ms 44480 KB Output is correct
48 Correct 549 ms 70680 KB Output is correct
49 Correct 559 ms 70652 KB Output is correct
50 Correct 543 ms 70648 KB Output is correct
51 Correct 559 ms 70628 KB Output is correct
52 Correct 516 ms 68852 KB Output is correct
53 Correct 536 ms 69108 KB Output is correct
54 Correct 499 ms 67088 KB Output is correct
55 Correct 506 ms 66760 KB Output is correct
56 Correct 516 ms 66152 KB Output is correct
57 Incorrect 139 ms 41084 KB Output isn't correct
58 Halted 0 ms 0 KB -