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답안 #421444

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
421444 2021-06-09T07:29:14 Z 송준혁(#7507) Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 3277 ms 57592 KB 
#include "bubblesort2.h"
#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define lb lower_bound
#define MOD 1000000007
#define INF (1ll<<62)
using namespace std;
typedef long long LL;
typedef pair<int,int> pii;

int N, M, Q;
int F[1010101];
int T[5050505], lz[5050505];
vector<pii> C;
vector<int> ans;

void busy(int id){
	T[id*2] += lz[id], T[id*2+1] += lz[id];
	lz[id*2] += lz[id], lz[id*2+1] += lz[id];
	lz[id] = 0;
}

void upd(int id, int s, int e, int x, int v){
	if (e <= x) return;
	if (s > x){T[id] += v, lz[id] += v; return;}
	int m=s+e>>1; busy(id);
	upd(id*2, s, m, x, v);
	upd(id*2+1, m+1, e, x, v);
	T[id] = max(T[id*2], T[id*2+1]);
}

void setv(int id, int s, int e, int x, int v){
	if (e < x || x < s) return;
	if (s == e) {T[id] = v; return;}
	int m=s+e>>1; busy(id);
	setv(id*2, s, m, x, v);
	setv(id*2+1, m+1, e, x, v);
	T[id] = max(T[id*2], T[id*2+1]);
}

void up(int k, int v){k++;while(k<=M+1)F[k]+=v,k+=k&-k;}
int f(int k){int r=0;k++;while(k)r+=F[k],k^=k&-k;return r;}

vector<int> countScans(vector<int> A, vector<int> X, vector<int> V){
	N=A.size(), Q=X.size();
	for (int i=0; i<N; i++) C.pb(pii(A[i], i));
	for (int i=0; i<Q; i++) C.pb(pii(V[i], X[i]));
	sort(C.begin(), C.end());
	C.erase(unique(C.begin(), C.end()), C.end());
	M = C.size()-1;
	upd(1, 0, M, -1, -2*N);
	for (int i=0; i<N; i++){
		int id = lb(C.begin(), C.end(), pii(A[i], i))-C.begin();
		setv(1, 0, M, id, i-f(id));
		upd(1, 0, M, id, -1);
		up(id, 1);
	}
	for (int i=0; i<Q; i++){
		int id = lb(C.begin(), C.end(), pii(A[X[i]], X[i]))-C.begin();
		setv(1, 0, M, id, -2*N);
		upd(1, 0, M, id, 1);
		up(id, -1);
		A[X[i]] = V[i];
		id = lb(C.begin(), C.end(), pii(A[X[i]], X[i]))-C.begin();
		setv(1, 0, M, id, X[i]-f(id));
		upd(1, 0, M, id, -1);
		up(id, 1);
		ans.pb(T[1]);
	}
	return ans;
}

Compilation message

bubblesort2.cpp: In function 'void upd(int, int, int, int, int)':
bubblesort2.cpp:28:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   28 |  int m=s+e>>1; busy(id);
      |        ~^~
bubblesort2.cpp: In function 'void setv(int, int, int, int, int)':
bubblesort2.cpp:37:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |  int m=s+e>>1; busy(id);
      |        ~^~

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 5 ms 508 KB Output is correct
4 Correct 5 ms 460 KB Output is correct
5 Correct 5 ms 460 KB Output is correct
6 Correct 5 ms 460 KB Output is correct
7 Correct 5 ms 460 KB Output is correct
8 Correct 5 ms 460 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 5 ms 460 KB Output is correct
11 Correct 5 ms 460 KB Output is correct
12 Correct 5 ms 460 KB Output is correct
13 Correct 5 ms 460 KB Output is correct
14 Correct 5 ms 468 KB Output is correct
15 Correct 5 ms 460 KB Output is correct
16 Correct 5 ms 460 KB Output is correct
17 Correct 6 ms 460 KB Output is correct
18 Correct 5 ms 460 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 5 ms 508 KB Output is correct
4 Correct 5 ms 460 KB Output is correct
5 Correct 5 ms 460 KB Output is correct
6 Correct 5 ms 460 KB Output is correct
7 Correct 5 ms 460 KB Output is correct
8 Correct 5 ms 460 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 5 ms 460 KB Output is correct
11 Correct 5 ms 460 KB Output is correct
12 Correct 5 ms 460 KB Output is correct
13 Correct 5 ms 460 KB Output is correct
14 Correct 5 ms 468 KB Output is correct
15 Correct 5 ms 460 KB Output is correct
16 Correct 5 ms 460 KB Output is correct
17 Correct 6 ms 460 KB Output is correct
18 Correct 5 ms 460 KB Output is correct
19 Correct 19 ms 1044 KB Output is correct
20 Correct 22 ms 1084 KB Output is correct
21 Correct 23 ms 1084 KB Output is correct
22 Correct 22 ms 1084 KB Output is correct
23 Correct 21 ms 1072 KB Output is correct
24 Correct 24 ms 1136 KB Output is correct
25 Correct 23 ms 972 KB Output is correct
26 Correct 20 ms 1076 KB Output is correct
27 Correct 20 ms 1052 KB Output is correct
28 Correct 21 ms 1012 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 1480 KB Output is correct
2 Correct 98 ms 2904 KB Output is correct
3 Correct 164 ms 5700 KB Output is correct
4 Correct 164 ms 5944 KB Output is correct
5 Correct 167 ms 5640 KB Output is correct
6 Correct 174 ms 5668 KB Output is correct
7 Correct 167 ms 5688 KB Output is correct
8 Correct 166 ms 5652 KB Output is correct
9 Correct 166 ms 5816 KB Output is correct
10 Correct 138 ms 4536 KB Output is correct
11 Correct 140 ms 4576 KB Output is correct
12 Correct 140 ms 4628 KB Output is correct
13 Correct 135 ms 4648 KB Output is correct
14 Correct 137 ms 4552 KB Output is correct
15 Correct 133 ms 4532 KB Output is correct
16 Correct 126 ms 4492 KB Output is correct
17 Correct 128 ms 4536 KB Output is correct
18 Correct 131 ms 4564 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 3 ms 332 KB Output is correct
3 Correct 5 ms 508 KB Output is correct
4 Correct 5 ms 460 KB Output is correct
5 Correct 5 ms 460 KB Output is correct
6 Correct 5 ms 460 KB Output is correct
7 Correct 5 ms 460 KB Output is correct
8 Correct 5 ms 460 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 5 ms 460 KB Output is correct
11 Correct 5 ms 460 KB Output is correct
12 Correct 5 ms 460 KB Output is correct
13 Correct 5 ms 460 KB Output is correct
14 Correct 5 ms 468 KB Output is correct
15 Correct 5 ms 460 KB Output is correct
16 Correct 5 ms 460 KB Output is correct
17 Correct 6 ms 460 KB Output is correct
18 Correct 5 ms 460 KB Output is correct
19 Correct 19 ms 1044 KB Output is correct
20 Correct 22 ms 1084 KB Output is correct
21 Correct 23 ms 1084 KB Output is correct
22 Correct 22 ms 1084 KB Output is correct
23 Correct 21 ms 1072 KB Output is correct
24 Correct 24 ms 1136 KB Output is correct
25 Correct 23 ms 972 KB Output is correct
26 Correct 20 ms 1076 KB Output is correct
27 Correct 20 ms 1052 KB Output is correct
28 Correct 21 ms 1012 KB Output is correct
29 Correct 31 ms 1480 KB Output is correct
30 Correct 98 ms 2904 KB Output is correct
31 Correct 164 ms 5700 KB Output is correct
32 Correct 164 ms 5944 KB Output is correct
33 Correct 167 ms 5640 KB Output is correct
34 Correct 174 ms 5668 KB Output is correct
35 Correct 167 ms 5688 KB Output is correct
36 Correct 166 ms 5652 KB Output is correct
37 Correct 166 ms 5816 KB Output is correct
38 Correct 138 ms 4536 KB Output is correct
39 Correct 140 ms 4576 KB Output is correct
40 Correct 140 ms 4628 KB Output is correct
41 Correct 135 ms 4648 KB Output is correct
42 Correct 137 ms 4552 KB Output is correct
43 Correct 133 ms 4532 KB Output is correct
44 Correct 126 ms 4492 KB Output is correct
45 Correct 128 ms 4536 KB Output is correct
46 Correct 131 ms 4564 KB Output is correct
47 Correct 708 ms 20692 KB Output is correct
48 Correct 2904 ms 54184 KB Output is correct
49 Correct 3109 ms 57128 KB Output is correct
50 Correct 3266 ms 57068 KB Output is correct
51 Correct 3277 ms 57104 KB Output is correct
52 Correct 3172 ms 57100 KB Output is correct
53 Correct 3208 ms 57180 KB Output is correct
54 Correct 2922 ms 57476 KB Output is correct
55 Correct 2983 ms 57592 KB Output is correct
56 Correct 2791 ms 57348 KB Output is correct
57 Correct 2871 ms 57352 KB Output is correct
58 Correct 2836 ms 57372 KB Output is correct
59 Correct 2751 ms 55452 KB Output is correct
60 Correct 2931 ms 55416 KB Output is correct
61 Correct 2743 ms 55356 KB Output is correct
62 Correct 2392 ms 54968 KB Output is correct
63 Correct 2450 ms 55116 KB Output is correct
64 Correct 2463 ms 54988 KB Output is correct
65 Correct 2273 ms 54696 KB Output is correct
66 Correct 2236 ms 54664 KB Output is correct
67 Correct 2282 ms 54756 KB Output is correct