oj.uz

Submission #771850

# Submission time Handle Problem Language Result Execution time Memory
771850 2023-07-03T10:30:54 Z Dan4Life Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 2112 ms 54624 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
using vi = vector<int>;
#define mp make_pair
#define lb lower_bound
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
const int mxN = (int)1e6+5;
vi a;
vector<pair<int,int>> v;
int seg[mxN*2], lzy[mxN*2];
 
void prop(int p, int l, int r){
    if(l==r or !lzy[p]) return;
    int mid = (l+r)/2; int rp = p+2*(mid-l+1);
    lzy[p+1]+=lzy[p], lzy[rp]+=lzy[p];
    seg[p+1]+=lzy[p], seg[rp]+=lzy[p], lzy[p]=0;
}
 
void upd(int i, int j, int vv, int p=0, int l=1, int r=sz(v)){
    if(i>r or j<l or i>j) return; prop(p,l,r);
    if(i<=l and r<=j){ seg[p]+=vv,lzy[p]+=vv; return; }
    int mid = (l+r)/2; int rp = p+2*(mid-l+1);
    if(i<=mid) upd(i,j,vv,p+1,l,mid);
    if(j>mid) upd(i,j,vv,rp,mid+1,r);
    seg[p] = max(seg[p+1],seg[rp]);
}
 
void add(int i, int x){
    int j = lb(all(v),mp(a[i],i))-begin(v);
    int j2 = lb(all(v),mp(a[i],-1))-begin(v);
    upd(j,j,i*x), upd(j2,sz(v),-x);
}
 
vi countScans(vi A, vi x, vi y){
    int n = sz(A), q = sz(x); vi ans; a.resize(n+1);
    for(int i = 1; i <= n; i++) a[i]=A[i-1],v.pb({a[i],i});
    for(int i = 0; i < q; i++) v.pb({y[i],++x[i]});
    sort(all(v)); v.erase(unique(all(v)),end(v));
    for(int i = 1; i <= n; i++) add(i,1);
    for(int i = 0; i < q; i++)
        add(x[i],-1),a[x[i]]=y[i],add(x[i],1),ans.pb(seg[0]);
	return ans;
}

Compilation message

bubblesort2.cpp: In function 'void upd(int, int, int, int, int, int)':
bubblesort2.cpp:22:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   22 |     if(i>r or j<l or i>j) return; prop(p,l,r);
      |     ^~
bubblesort2.cpp:22:35: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   22 |     if(i>r or j<l or i>j) return; prop(p,l,r);
      |                                   ^~~~
bubblesort2.cpp: In function 'vi countScans(vi, vi, vi)':
bubblesort2.cpp:42:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   42 |     for(int i = 0; i < q; i++)
      |     ^~~
bubblesort2.cpp:44:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   44 |  return ans;
      |  ^~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 320 KB Output is correct
3 Correct 4 ms 480 KB Output is correct
4 Correct 4 ms 468 KB Output is correct
5 Correct 4 ms 448 KB Output is correct
6 Correct 4 ms 544 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 4 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 6 ms 476 KB Output is correct
13 Correct 4 ms 512 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 4 ms 480 KB Output is correct
16 Correct 4 ms 448 KB Output is correct
17 Correct 4 ms 476 KB Output is correct
18 Correct 4 ms 468 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 320 KB Output is correct
3 Correct 4 ms 480 KB Output is correct
4 Correct 4 ms 468 KB Output is correct
5 Correct 4 ms 448 KB Output is correct
6 Correct 4 ms 544 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 4 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 6 ms 476 KB Output is correct
13 Correct 4 ms 512 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 4 ms 480 KB Output is correct
16 Correct 4 ms 448 KB Output is correct
17 Correct 4 ms 476 KB Output is correct
18 Correct 4 ms 468 KB Output is correct
19 Correct 14 ms 1084 KB Output is correct
20 Correct 16 ms 1216 KB Output is correct
21 Correct 15 ms 1244 KB Output is correct
22 Correct 17 ms 1236 KB Output is correct
23 Correct 15 ms 1216 KB Output is correct
24 Correct 15 ms 1108 KB Output is correct
25 Correct 15 ms 1148 KB Output is correct
26 Correct 17 ms 1192 KB Output is correct
27 Correct 15 ms 1136 KB Output is correct
28 Correct 15 ms 1060 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 1448 KB Output is correct
2 Correct 65 ms 3140 KB Output is correct
3 Correct 116 ms 4956 KB Output is correct
4 Correct 115 ms 4976 KB Output is correct
5 Correct 118 ms 4996 KB Output is correct
6 Correct 114 ms 4968 KB Output is correct
7 Correct 110 ms 4964 KB Output is correct
8 Correct 112 ms 5020 KB Output is correct
9 Correct 111 ms 5092 KB Output is correct
10 Correct 91 ms 4348 KB Output is correct
11 Correct 100 ms 4392 KB Output is correct
12 Correct 89 ms 4416 KB Output is correct
13 Correct 89 ms 4416 KB Output is correct
14 Correct 91 ms 4368 KB Output is correct
15 Correct 87 ms 4384 KB Output is correct
16 Correct 87 ms 4332 KB Output is correct
17 Correct 91 ms 4380 KB Output is correct
18 Correct 87 ms 4320 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 320 KB Output is correct
3 Correct 4 ms 480 KB Output is correct
4 Correct 4 ms 468 KB Output is correct
5 Correct 4 ms 448 KB Output is correct
6 Correct 4 ms 544 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 4 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 4 ms 484 KB Output is correct
12 Correct 6 ms 476 KB Output is correct
13 Correct 4 ms 512 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 4 ms 480 KB Output is correct
16 Correct 4 ms 448 KB Output is correct
17 Correct 4 ms 476 KB Output is correct
18 Correct 4 ms 468 KB Output is correct
19 Correct 14 ms 1084 KB Output is correct
20 Correct 16 ms 1216 KB Output is correct
21 Correct 15 ms 1244 KB Output is correct
22 Correct 17 ms 1236 KB Output is correct
23 Correct 15 ms 1216 KB Output is correct
24 Correct 15 ms 1108 KB Output is correct
25 Correct 15 ms 1148 KB Output is correct
26 Correct 17 ms 1192 KB Output is correct
27 Correct 15 ms 1136 KB Output is correct
28 Correct 15 ms 1060 KB Output is correct
29 Correct 23 ms 1448 KB Output is correct
30 Correct 65 ms 3140 KB Output is correct
31 Correct 116 ms 4956 KB Output is correct
32 Correct 115 ms 4976 KB Output is correct
33 Correct 118 ms 4996 KB Output is correct
34 Correct 114 ms 4968 KB Output is correct
35 Correct 110 ms 4964 KB Output is correct
36 Correct 112 ms 5020 KB Output is correct
37 Correct 111 ms 5092 KB Output is correct
38 Correct 91 ms 4348 KB Output is correct
39 Correct 100 ms 4392 KB Output is correct
40 Correct 89 ms 4416 KB Output is correct
41 Correct 89 ms 4416 KB Output is correct
42 Correct 91 ms 4368 KB Output is correct
43 Correct 87 ms 4384 KB Output is correct
44 Correct 87 ms 4332 KB Output is correct
45 Correct 91 ms 4380 KB Output is correct
46 Correct 87 ms 4320 KB Output is correct
47 Correct 409 ms 16612 KB Output is correct
48 Correct 1838 ms 50040 KB Output is correct
49 Correct 2112 ms 54360 KB Output is correct
50 Correct 2072 ms 54272 KB Output is correct
51 Correct 2078 ms 54392 KB Output is correct
52 Correct 2028 ms 54328 KB Output is correct
53 Correct 2068 ms 54344 KB Output is correct
54 Correct 1785 ms 54624 KB Output is correct
55 Correct 1979 ms 54512 KB Output is correct
56 Correct 1795 ms 54388 KB Output is correct
57 Correct 1943 ms 54480 KB Output is correct
58 Correct 1803 ms 54468 KB Output is correct
59 Correct 1639 ms 51164 KB Output is correct
60 Correct 1637 ms 51160 KB Output is correct
61 Correct 1664 ms 51232 KB Output is correct
62 Correct 1521 ms 50088 KB Output is correct
63 Correct 1608 ms 50088 KB Output is correct
64 Correct 1704 ms 50124 KB Output is correct
65 Correct 1439 ms 49004 KB Output is correct
66 Correct 1420 ms 49012 KB Output is correct
67 Correct 1452 ms 48888 KB Output is correct