// #include "bubblesort2.h"
#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
using pii=pair<int,int>;
#define pb push_back
#define all(v) v.begin(),v.end()
vector<int> a;
int n;
struct Node{
int val=0;
int lazy=0;
Node* left,*right;
Node() : left(nullptr),right(nullptr) {}
};
Node* root;
void build(Node* node,int l,int r){
if(l==r) return;
int mid=(l+r)/2;
node->left=new Node();
node->right=new Node();
build(node->left,l,mid);
build(node->right,mid+1,r);
}
void push(Node* node,int l,int r){
if(node->lazy==0) return;
node->val+=node->lazy;
if(node->left) {
node->left->lazy+=node->lazy;
}
if(node->right) {
node->right->lazy+=node->lazy;
}
node->lazy=0;
}
void update(Node* node,int l,int r,int ql,int qr,int x){
push(node,l,r);
if(ql>r||qr<l) return;
if(ql<=l&&r<=qr){
node->lazy+=x;
push(node,l,r);
return;
}
int mid=(l+r)/2;
update(node->left,l,mid,ql,qr,x);
update(node->right,mid+1,r,ql,qr,x);
push(node,l,r);
node->val=max(node->left->val,node->right->val);
}
vector<int> countScans(vector<int> A,vector<int> x,vector<int> y){
a=A;
root=new Node();
n=a.size();
int q=x.size();
build(root,0,n+q);
vector<pii> v;
for(int i=0;i<n;i++){
v.pb({a[i],i});
}
for(int i=0;i<q;i++){
v.pb({y[i],x[i]});
}
sort(all(v));
map<pii,int> mp;
for(int i=0;i<n+q;i++){
mp[v[i]]=i;
}
for(int i=0;i<n;i++){
a[i]=mp[{a[i],i}];
}
for(int i=0;i<q;i++){
y[i]=mp[{y[i],x[i]}];
}
vector<int> Ans(q);
int sz=n+q;
auto ch = [&](int i,int x){
update(root,0,sz,a[i],a[i],i*x);
update(root,0,sz,a[i]+1,sz,-x);
};
for(int i=0;i<n;i++){
ch(i,1);
}
for(int i=0;i<q;i++){
ch(x[i],-1);
a[x[i]]=y[i];
ch(x[i],1);
Ans[i]=root->val;
}
return Ans;
}
#ifdef IOI
// #include "bubblesort2.h"
// #include <cstdio>
// #include <cstdlib>
// #include <vector>
int readInt(){
int i;
if(scanf("%d",&i)!=1){
fprintf(stderr,"Error while reading input\n");
exit(1);
}
return i;
}
int main(){
int N,Q;
N=readInt();
Q=readInt();
vector<int> A(N);
for(int i=0;i<N;i++)
A[i]=readInt();
vector<int> X(Q),V(Q);
for(int j=0;j<Q;j++){
X[j]=readInt();
V[j]=readInt();
}
vector<int> res=countScans(A,X,V);
for(int j=0;j<int(res.size());j++)
printf("%d\n",res[j]);
}
#endif
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
604 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1036 KB |
Output is correct |
5 |
Correct |
4 ms |
860 KB |
Output is correct |
6 |
Correct |
3 ms |
860 KB |
Output is correct |
7 |
Correct |
3 ms |
860 KB |
Output is correct |
8 |
Correct |
3 ms |
860 KB |
Output is correct |
9 |
Correct |
5 ms |
860 KB |
Output is correct |
10 |
Correct |
3 ms |
860 KB |
Output is correct |
11 |
Correct |
3 ms |
856 KB |
Output is correct |
12 |
Correct |
3 ms |
1004 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
4 ms |
988 KB |
Output is correct |
15 |
Correct |
3 ms |
860 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
3 ms |
860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
604 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1036 KB |
Output is correct |
5 |
Correct |
4 ms |
860 KB |
Output is correct |
6 |
Correct |
3 ms |
860 KB |
Output is correct |
7 |
Correct |
3 ms |
860 KB |
Output is correct |
8 |
Correct |
3 ms |
860 KB |
Output is correct |
9 |
Correct |
5 ms |
860 KB |
Output is correct |
10 |
Correct |
3 ms |
860 KB |
Output is correct |
11 |
Correct |
3 ms |
856 KB |
Output is correct |
12 |
Correct |
3 ms |
1004 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
4 ms |
988 KB |
Output is correct |
15 |
Correct |
3 ms |
860 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
3 ms |
860 KB |
Output is correct |
19 |
Correct |
14 ms |
2428 KB |
Output is correct |
20 |
Correct |
17 ms |
2652 KB |
Output is correct |
21 |
Correct |
16 ms |
2796 KB |
Output is correct |
22 |
Correct |
17 ms |
2652 KB |
Output is correct |
23 |
Correct |
16 ms |
2652 KB |
Output is correct |
24 |
Correct |
15 ms |
2648 KB |
Output is correct |
25 |
Correct |
15 ms |
2524 KB |
Output is correct |
26 |
Correct |
15 ms |
2612 KB |
Output is correct |
27 |
Correct |
14 ms |
2396 KB |
Output is correct |
28 |
Correct |
14 ms |
2456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
4568 KB |
Output is correct |
2 |
Correct |
84 ms |
9808 KB |
Output is correct |
3 |
Correct |
117 ms |
15024 KB |
Output is correct |
4 |
Correct |
122 ms |
15048 KB |
Output is correct |
5 |
Correct |
111 ms |
15044 KB |
Output is correct |
6 |
Correct |
122 ms |
14896 KB |
Output is correct |
7 |
Correct |
118 ms |
15044 KB |
Output is correct |
8 |
Correct |
117 ms |
14944 KB |
Output is correct |
9 |
Correct |
122 ms |
15048 KB |
Output is correct |
10 |
Correct |
109 ms |
12324 KB |
Output is correct |
11 |
Correct |
102 ms |
12228 KB |
Output is correct |
12 |
Correct |
95 ms |
12232 KB |
Output is correct |
13 |
Correct |
85 ms |
12228 KB |
Output is correct |
14 |
Correct |
103 ms |
12232 KB |
Output is correct |
15 |
Correct |
95 ms |
12236 KB |
Output is correct |
16 |
Correct |
87 ms |
12236 KB |
Output is correct |
17 |
Correct |
111 ms |
12240 KB |
Output is correct |
18 |
Correct |
94 ms |
12320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
2 ms |
604 KB |
Output is correct |
3 |
Correct |
3 ms |
860 KB |
Output is correct |
4 |
Correct |
4 ms |
1036 KB |
Output is correct |
5 |
Correct |
4 ms |
860 KB |
Output is correct |
6 |
Correct |
3 ms |
860 KB |
Output is correct |
7 |
Correct |
3 ms |
860 KB |
Output is correct |
8 |
Correct |
3 ms |
860 KB |
Output is correct |
9 |
Correct |
5 ms |
860 KB |
Output is correct |
10 |
Correct |
3 ms |
860 KB |
Output is correct |
11 |
Correct |
3 ms |
856 KB |
Output is correct |
12 |
Correct |
3 ms |
1004 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
4 ms |
988 KB |
Output is correct |
15 |
Correct |
3 ms |
860 KB |
Output is correct |
16 |
Correct |
3 ms |
860 KB |
Output is correct |
17 |
Correct |
3 ms |
860 KB |
Output is correct |
18 |
Correct |
3 ms |
860 KB |
Output is correct |
19 |
Correct |
14 ms |
2428 KB |
Output is correct |
20 |
Correct |
17 ms |
2652 KB |
Output is correct |
21 |
Correct |
16 ms |
2796 KB |
Output is correct |
22 |
Correct |
17 ms |
2652 KB |
Output is correct |
23 |
Correct |
16 ms |
2652 KB |
Output is correct |
24 |
Correct |
15 ms |
2648 KB |
Output is correct |
25 |
Correct |
15 ms |
2524 KB |
Output is correct |
26 |
Correct |
15 ms |
2612 KB |
Output is correct |
27 |
Correct |
14 ms |
2396 KB |
Output is correct |
28 |
Correct |
14 ms |
2456 KB |
Output is correct |
29 |
Correct |
24 ms |
4568 KB |
Output is correct |
30 |
Correct |
84 ms |
9808 KB |
Output is correct |
31 |
Correct |
117 ms |
15024 KB |
Output is correct |
32 |
Correct |
122 ms |
15048 KB |
Output is correct |
33 |
Correct |
111 ms |
15044 KB |
Output is correct |
34 |
Correct |
122 ms |
14896 KB |
Output is correct |
35 |
Correct |
118 ms |
15044 KB |
Output is correct |
36 |
Correct |
117 ms |
14944 KB |
Output is correct |
37 |
Correct |
122 ms |
15048 KB |
Output is correct |
38 |
Correct |
109 ms |
12324 KB |
Output is correct |
39 |
Correct |
102 ms |
12228 KB |
Output is correct |
40 |
Correct |
95 ms |
12232 KB |
Output is correct |
41 |
Correct |
85 ms |
12228 KB |
Output is correct |
42 |
Correct |
103 ms |
12232 KB |
Output is correct |
43 |
Correct |
95 ms |
12236 KB |
Output is correct |
44 |
Correct |
87 ms |
12236 KB |
Output is correct |
45 |
Correct |
111 ms |
12240 KB |
Output is correct |
46 |
Correct |
94 ms |
12320 KB |
Output is correct |
47 |
Correct |
498 ms |
44512 KB |
Output is correct |
48 |
Correct |
2358 ms |
147992 KB |
Output is correct |
49 |
Correct |
2670 ms |
161872 KB |
Output is correct |
50 |
Correct |
2484 ms |
161956 KB |
Output is correct |
51 |
Correct |
2522 ms |
161876 KB |
Output is correct |
52 |
Correct |
2735 ms |
161784 KB |
Output is correct |
53 |
Correct |
2545 ms |
162028 KB |
Output is correct |
54 |
Correct |
2314 ms |
161972 KB |
Output is correct |
55 |
Correct |
2471 ms |
161976 KB |
Output is correct |
56 |
Correct |
2114 ms |
161972 KB |
Output is correct |
57 |
Correct |
2294 ms |
162052 KB |
Output is correct |
58 |
Correct |
2225 ms |
161984 KB |
Output is correct |
59 |
Correct |
1998 ms |
153016 KB |
Output is correct |
60 |
Correct |
1995 ms |
152880 KB |
Output is correct |
61 |
Correct |
2074 ms |
152996 KB |
Output is correct |
62 |
Correct |
2017 ms |
148716 KB |
Output is correct |
63 |
Correct |
1881 ms |
148816 KB |
Output is correct |
64 |
Correct |
1834 ms |
148992 KB |
Output is correct |
65 |
Correct |
1876 ms |
144760 KB |
Output is correct |
66 |
Correct |
1894 ms |
144716 KB |
Output is correct |
67 |
Correct |
1974 ms |
144756 KB |
Output is correct |