oj.uz

Submission #205123

# Submission time Handle Problem Language Result Execution time Memory
205123 2020-02-28T05:58:08 Z ics0503 Minerals (JOI19_minerals) C++17
90 / 100
 67 ms 17908 KB 
#include "minerals.h"
#include<vector>
using namespace std;
vector<int>L, R;
struct SEG {
	vector<int>L;
	int l, r, s, e, who, ck;
} seg[212121];
int segN = 1, segW[212121];
void make_seg(int now, int s, int e) {
	seg[now].who = s;
	seg[now].s = s; seg[now].e = e;
	if (s == e) {
		segW[s] = now;
		return;
	}
	int m = (s + e) / 2;
	if (!seg[now].l)seg[now].l = ++segN;
	make_seg(seg[now].l, s, m);
	if (!seg[now].r)seg[now].r = ++segN;
	make_seg(seg[now].r, m + 1, e);
}
int is_in[212121];
void go_down(int now, int s, int e) {
	seg[now].ck = 1;
	if (s == e) return;
	int m = (s + e) / 2, l = seg[now].l, r = seg[now].r, bef;
	for (int i = m + 1; i <= e; i++) {
		is_in[i] = !is_in[i];
		bef = Query(L[i]);
	}
	for (int p : seg[now].L) {
		if (seg[r].L.size() == (e-(m+1)+1)) { seg[l].L.push_back(p); continue; }
		if (seg[l].L.size() == (m-s+1)) { seg[r].L.push_back(p); continue; }
		int res = Query(p);
		if (res == bef) {
			if (is_in[s])seg[l].L.push_back(p);
			else seg[r].L.push_back(p);
		}
		else {
			if (is_in[s])seg[r].L.push_back(p);
			else seg[l].L.push_back(p);
		}
		bef = res;
	}
	go_down(l, s, m);
}
void Solve(int n) {
	int cnt = 0;
	for (int i = 1; i <= n * 2; i++) {
		int res = Query(i);
		if (res != cnt) L.push_back(i);
		else seg[1].L.push_back(i);
		cnt = res;
	}
	for (int i = 0; i < n; i++)is_in[i] = 1;
	make_seg(1, 0, n - 1);
	go_down(1, 0, n - 1);
	for (int i = 2; i <= segN; i++) {
		int s = seg[i].s, e = seg[i].e;
		if (seg[i].ck || seg[i].L.empty() || s == e)continue;
		go_down(i, s, e);
	}
	for (int i = 0; i < n; i++) {
		for (int p : seg[segW[i]].L) {
			Answer(L[i], p);
		}
	}
}

Compilation message

minerals.cpp: In function 'void go_down(int, int, int)':
minerals.cpp:33:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (seg[r].L.size() == (e-(m+1)+1)) { seg[l].L.push_back(p); continue; }
       ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
minerals.cpp:34:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (seg[l].L.size() == (m-s+1)) { seg[r].L.push_back(p); continue; }
       ~~~~~~~~~~~~~~~~^~~~~~~~~~
minerals.cpp:36:3: warning: 'bef' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (res == bef) {
   ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 10232 KB Output is correct
2 Correct 11 ms 10360 KB Output is correct
3 Correct 11 ms 10232 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 10488 KB Output is correct
2 Correct 12 ms 10620 KB Output is correct
3 Correct 14 ms 10872 KB Output is correct
4 Correct 18 ms 11384 KB Output is correct
5 Correct 27 ms 12536 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 10232 KB Output is correct
2 Correct 11 ms 10360 KB Output is correct
3 Correct 11 ms 10232 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 12 ms 10488 KB Output is correct
6 Correct 12 ms 10620 KB Output is correct
7 Correct 14 ms 10872 KB Output is correct
8 Correct 18 ms 11384 KB Output is correct
9 Correct 27 ms 12536 KB Output is correct
10 Correct 12 ms 10412 KB Output is correct
11 Correct 22 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 23 ms 12540 KB Output is correct
14 Correct 23 ms 12536 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 10232 KB Output is correct
2 Correct 11 ms 10360 KB Output is correct
3 Correct 11 ms 10232 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 12 ms 10488 KB Output is correct
6 Correct 12 ms 10620 KB Output is correct
7 Correct 14 ms 10872 KB Output is correct
8 Correct 18 ms 11384 KB Output is correct
9 Correct 27 ms 12536 KB Output is correct
10 Correct 12 ms 10412 KB Output is correct
11 Correct 22 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 23 ms 12540 KB Output is correct
14 Correct 23 ms 12536 KB Output is correct
15 Correct 56 ms 17268 KB Output is correct
16 Correct 60 ms 17272 KB Output is correct
17 Correct 46 ms 17268 KB Output is correct
18 Correct 48 ms 17012 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 10232 KB Output is correct
2 Correct 11 ms 10360 KB Output is correct
3 Correct 11 ms 10232 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 12 ms 10488 KB Output is correct
6 Correct 12 ms 10620 KB Output is correct
7 Correct 14 ms 10872 KB Output is correct
8 Correct 18 ms 11384 KB Output is correct
9 Correct 27 ms 12536 KB Output is correct
10 Correct 12 ms 10412 KB Output is correct
11 Correct 22 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 23 ms 12540 KB Output is correct
14 Correct 23 ms 12536 KB Output is correct
15 Correct 56 ms 17268 KB Output is correct
16 Correct 60 ms 17272 KB Output is correct
17 Correct 46 ms 17268 KB Output is correct
18 Correct 48 ms 17012 KB Output is correct
19 Correct 64 ms 17400 KB Output is correct
20 Correct 58 ms 17408 KB Output is correct
21 Correct 47 ms 17396 KB Output is correct
22 Correct 47 ms 17140 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 10232 KB Output is correct
2 Correct 11 ms 10360 KB Output is correct
3 Correct 11 ms 10232 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 12 ms 10488 KB Output is correct
6 Correct 12 ms 10620 KB Output is correct
7 Correct 14 ms 10872 KB Output is correct
8 Correct 18 ms 11384 KB Output is correct
9 Correct 27 ms 12536 KB Output is correct
10 Correct 12 ms 10412 KB Output is correct
11 Correct 22 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 23 ms 12540 KB Output is correct
14 Correct 23 ms 12536 KB Output is correct
15 Correct 56 ms 17268 KB Output is correct
16 Correct 60 ms 17272 KB Output is correct
17 Correct 46 ms 17268 KB Output is correct
18 Correct 48 ms 17012 KB Output is correct
19 Correct 64 ms 17400 KB Output is correct
20 Correct 58 ms 17408 KB Output is correct
21 Correct 47 ms 17396 KB Output is correct
22 Correct 47 ms 17140 KB Output is correct
23 Correct 60 ms 17652 KB Output is correct
24 Correct 58 ms 17524 KB Output is correct
25 Correct 48 ms 17524 KB Output is correct
26 Correct 49 ms 17368 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 10232 KB Output is correct
2 Correct 11 ms 10360 KB Output is correct
3 Correct 11 ms 10232 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 12 ms 10488 KB Output is correct
6 Correct 12 ms 10620 KB Output is correct
7 Correct 14 ms 10872 KB Output is correct
8 Correct 18 ms 11384 KB Output is correct
9 Correct 27 ms 12536 KB Output is correct
10 Correct 12 ms 10412 KB Output is correct
11 Correct 22 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 23 ms 12540 KB Output is correct
14 Correct 23 ms 12536 KB Output is correct
15 Correct 56 ms 17268 KB Output is correct
16 Correct 60 ms 17272 KB Output is correct
17 Correct 46 ms 17268 KB Output is correct
18 Correct 48 ms 17012 KB Output is correct
19 Correct 64 ms 17400 KB Output is correct
20 Correct 58 ms 17408 KB Output is correct
21 Correct 47 ms 17396 KB Output is correct
22 Correct 47 ms 17140 KB Output is correct
23 Correct 60 ms 17652 KB Output is correct
24 Correct 58 ms 17524 KB Output is correct
25 Correct 48 ms 17524 KB Output is correct
26 Correct 49 ms 17368 KB Output is correct
27 Correct 62 ms 17708 KB Output is correct
28 Correct 67 ms 17652 KB Output is correct
29 Correct 48 ms 17596 KB Output is correct
30 Correct 53 ms 17524 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 10232 KB Output is correct
2 Correct 11 ms 10360 KB Output is correct
3 Correct 11 ms 10232 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 12 ms 10488 KB Output is correct
6 Correct 12 ms 10620 KB Output is correct
7 Correct 14 ms 10872 KB Output is correct
8 Correct 18 ms 11384 KB Output is correct
9 Correct 27 ms 12536 KB Output is correct
10 Correct 12 ms 10412 KB Output is correct
11 Correct 22 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 23 ms 12540 KB Output is correct
14 Correct 23 ms 12536 KB Output is correct
15 Correct 56 ms 17268 KB Output is correct
16 Correct 60 ms 17272 KB Output is correct
17 Correct 46 ms 17268 KB Output is correct
18 Correct 48 ms 17012 KB Output is correct
19 Correct 64 ms 17400 KB Output is correct
20 Correct 58 ms 17408 KB Output is correct
21 Correct 47 ms 17396 KB Output is correct
22 Correct 47 ms 17140 KB Output is correct
23 Correct 60 ms 17652 KB Output is correct
24 Correct 58 ms 17524 KB Output is correct
25 Correct 48 ms 17524 KB Output is correct
26 Correct 49 ms 17368 KB Output is correct
27 Correct 62 ms 17708 KB Output is correct
28 Correct 67 ms 17652 KB Output is correct
29 Correct 48 ms 17596 KB Output is correct
30 Correct 53 ms 17524 KB Output is correct
31 Correct 62 ms 17908 KB Output is correct
32 Correct 61 ms 17780 KB Output is correct
33 Correct 61 ms 17704 KB Output is correct
34 Correct 50 ms 17520 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 10232 KB Output is correct
2 Correct 11 ms 10360 KB Output is correct
3 Correct 11 ms 10232 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 12 ms 10488 KB Output is correct
6 Correct 12 ms 10620 KB Output is correct
7 Correct 14 ms 10872 KB Output is correct
8 Correct 18 ms 11384 KB Output is correct
9 Correct 27 ms 12536 KB Output is correct
10 Correct 12 ms 10412 KB Output is correct
11 Correct 22 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 23 ms 12540 KB Output is correct
14 Correct 23 ms 12536 KB Output is correct
15 Correct 56 ms 17268 KB Output is correct
16 Correct 60 ms 17272 KB Output is correct
17 Correct 46 ms 17268 KB Output is correct
18 Correct 48 ms 17012 KB Output is correct
19 Correct 64 ms 17400 KB Output is correct
20 Correct 58 ms 17408 KB Output is correct
21 Correct 47 ms 17396 KB Output is correct
22 Correct 47 ms 17140 KB Output is correct
23 Correct 60 ms 17652 KB Output is correct
24 Correct 58 ms 17524 KB Output is correct
25 Correct 48 ms 17524 KB Output is correct
26 Correct 49 ms 17368 KB Output is correct
27 Correct 62 ms 17708 KB Output is correct
28 Correct 67 ms 17652 KB Output is correct
29 Correct 48 ms 17596 KB Output is correct
30 Correct 53 ms 17524 KB Output is correct
31 Correct 62 ms 17908 KB Output is correct
32 Correct 61 ms 17780 KB Output is correct
33 Correct 61 ms 17704 KB Output is correct
34 Correct 50 ms 17520 KB Output is correct
35 Incorrect 63 ms 17396 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -