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답안 #205121

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
205121 2020-02-28T05:45:18 Z ics0503 Minerals (JOI19_minerals) C++17
80 / 100
 68 ms 17576 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) {
		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:34:3: warning: 'bef' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (res == bef) {
   ^~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 10360 KB Output is correct
2 Correct 11 ms 10232 KB Output is correct
3 Correct 11 ms 10360 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct

Subtask #2
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 10360 KB Output is correct
2 Correct 13 ms 10488 KB Output is correct
3 Correct 15 ms 10744 KB Output is correct
4 Correct 19 ms 11384 KB Output is correct
5 Correct 28 ms 12536 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 10360 KB Output is correct
2 Correct 11 ms 10232 KB Output is correct
3 Correct 11 ms 10360 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 13 ms 10360 KB Output is correct
6 Correct 13 ms 10488 KB Output is correct
7 Correct 15 ms 10744 KB Output is correct
8 Correct 19 ms 11384 KB Output is correct
9 Correct 28 ms 12536 KB Output is correct
10 Correct 12 ms 10492 KB Output is correct
11 Correct 24 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 26 ms 12536 KB Output is correct
14 Correct 25 ms 12536 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 10360 KB Output is correct
2 Correct 11 ms 10232 KB Output is correct
3 Correct 11 ms 10360 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 13 ms 10360 KB Output is correct
6 Correct 13 ms 10488 KB Output is correct
7 Correct 15 ms 10744 KB Output is correct
8 Correct 19 ms 11384 KB Output is correct
9 Correct 28 ms 12536 KB Output is correct
10 Correct 12 ms 10492 KB Output is correct
11 Correct 24 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 26 ms 12536 KB Output is correct
14 Correct 25 ms 12536 KB Output is correct
15 Correct 58 ms 17268 KB Output is correct
16 Correct 61 ms 17268 KB Output is correct
17 Correct 48 ms 17268 KB Output is correct
18 Correct 57 ms 17008 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 10360 KB Output is correct
2 Correct 11 ms 10232 KB Output is correct
3 Correct 11 ms 10360 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 13 ms 10360 KB Output is correct
6 Correct 13 ms 10488 KB Output is correct
7 Correct 15 ms 10744 KB Output is correct
8 Correct 19 ms 11384 KB Output is correct
9 Correct 28 ms 12536 KB Output is correct
10 Correct 12 ms 10492 KB Output is correct
11 Correct 24 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 26 ms 12536 KB Output is correct
14 Correct 25 ms 12536 KB Output is correct
15 Correct 58 ms 17268 KB Output is correct
16 Correct 61 ms 17268 KB Output is correct
17 Correct 48 ms 17268 KB Output is correct
18 Correct 57 ms 17008 KB Output is correct
19 Correct 60 ms 17524 KB Output is correct
20 Correct 59 ms 17524 KB Output is correct
21 Correct 51 ms 17396 KB Output is correct
22 Correct 50 ms 17204 KB Output is correct

Subtask #6
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 10360 KB Output is correct
2 Correct 11 ms 10232 KB Output is correct
3 Correct 11 ms 10360 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 13 ms 10360 KB Output is correct
6 Correct 13 ms 10488 KB Output is correct
7 Correct 15 ms 10744 KB Output is correct
8 Correct 19 ms 11384 KB Output is correct
9 Correct 28 ms 12536 KB Output is correct
10 Correct 12 ms 10492 KB Output is correct
11 Correct 24 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 26 ms 12536 KB Output is correct
14 Correct 25 ms 12536 KB Output is correct
15 Correct 58 ms 17268 KB Output is correct
16 Correct 61 ms 17268 KB Output is correct
17 Correct 48 ms 17268 KB Output is correct
18 Correct 57 ms 17008 KB Output is correct
19 Correct 60 ms 17524 KB Output is correct
20 Correct 59 ms 17524 KB Output is correct
21 Correct 51 ms 17396 KB Output is correct
22 Correct 50 ms 17204 KB Output is correct
23 Correct 68 ms 17576 KB Output is correct
24 Correct 62 ms 17524 KB Output is correct
25 Correct 59 ms 17484 KB Output is correct
26 Correct 59 ms 17268 KB Output is correct

Subtask #7
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 10360 KB Output is correct
2 Correct 11 ms 10232 KB Output is correct
3 Correct 11 ms 10360 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 13 ms 10360 KB Output is correct
6 Correct 13 ms 10488 KB Output is correct
7 Correct 15 ms 10744 KB Output is correct
8 Correct 19 ms 11384 KB Output is correct
9 Correct 28 ms 12536 KB Output is correct
10 Correct 12 ms 10492 KB Output is correct
11 Correct 24 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 26 ms 12536 KB Output is correct
14 Correct 25 ms 12536 KB Output is correct
15 Correct 58 ms 17268 KB Output is correct
16 Correct 61 ms 17268 KB Output is correct
17 Correct 48 ms 17268 KB Output is correct
18 Correct 57 ms 17008 KB Output is correct
19 Correct 60 ms 17524 KB Output is correct
20 Correct 59 ms 17524 KB Output is correct
21 Correct 51 ms 17396 KB Output is correct
22 Correct 50 ms 17204 KB Output is correct
23 Correct 68 ms 17576 KB Output is correct
24 Correct 62 ms 17524 KB Output is correct
25 Correct 59 ms 17484 KB Output is correct
26 Correct 59 ms 17268 KB Output is correct
27 Incorrect 60 ms 17140 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 10360 KB Output is correct
2 Correct 11 ms 10232 KB Output is correct
3 Correct 11 ms 10360 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 13 ms 10360 KB Output is correct
6 Correct 13 ms 10488 KB Output is correct
7 Correct 15 ms 10744 KB Output is correct
8 Correct 19 ms 11384 KB Output is correct
9 Correct 28 ms 12536 KB Output is correct
10 Correct 12 ms 10492 KB Output is correct
11 Correct 24 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 26 ms 12536 KB Output is correct
14 Correct 25 ms 12536 KB Output is correct
15 Correct 58 ms 17268 KB Output is correct
16 Correct 61 ms 17268 KB Output is correct
17 Correct 48 ms 17268 KB Output is correct
18 Correct 57 ms 17008 KB Output is correct
19 Correct 60 ms 17524 KB Output is correct
20 Correct 59 ms 17524 KB Output is correct
21 Correct 51 ms 17396 KB Output is correct
22 Correct 50 ms 17204 KB Output is correct
23 Correct 68 ms 17576 KB Output is correct
24 Correct 62 ms 17524 KB Output is correct
25 Correct 59 ms 17484 KB Output is correct
26 Correct 59 ms 17268 KB Output is correct
27 Incorrect 60 ms 17140 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 10360 KB Output is correct
2 Correct 11 ms 10232 KB Output is correct
3 Correct 11 ms 10360 KB Output is correct
4 Correct 11 ms 10360 KB Output is correct
5 Correct 13 ms 10360 KB Output is correct
6 Correct 13 ms 10488 KB Output is correct
7 Correct 15 ms 10744 KB Output is correct
8 Correct 19 ms 11384 KB Output is correct
9 Correct 28 ms 12536 KB Output is correct
10 Correct 12 ms 10492 KB Output is correct
11 Correct 24 ms 12024 KB Output is correct
12 Correct 27 ms 12536 KB Output is correct
13 Correct 26 ms 12536 KB Output is correct
14 Correct 25 ms 12536 KB Output is correct
15 Correct 58 ms 17268 KB Output is correct
16 Correct 61 ms 17268 KB Output is correct
17 Correct 48 ms 17268 KB Output is correct
18 Correct 57 ms 17008 KB Output is correct
19 Correct 60 ms 17524 KB Output is correct
20 Correct 59 ms 17524 KB Output is correct
21 Correct 51 ms 17396 KB Output is correct
22 Correct 50 ms 17204 KB Output is correct
23 Correct 68 ms 17576 KB Output is correct
24 Correct 62 ms 17524 KB Output is correct
25 Correct 59 ms 17484 KB Output is correct
26 Correct 59 ms 17268 KB Output is correct
27 Incorrect 60 ms 17140 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -