#include <bits/stdc++.h>
#define FOR(i,a,b) for (int i=(a); i<=(b); ++i)
#define FORR(i,a,b) for (int i=(a); i>=(b); --i)
#define REP(i,b) for (int i=0; i<(b); ++i)
#define input stdin
#define output stdout
#define assign freopen
#define endl '\n'
#define sz(x) (int) x.size()
#define div /
#define mod %
#define fillchar(x,y,z) memset(x,z,y)
#define pii pair<int,int>
#define fi first
#define se second
#define mp make_pair
#define sqr(x) ((x)*(x))
typedef long long int64;
typedef unsigned long long qword;
using namespace std;
const int maxn=2e5+5;
struct TNode{
int val,L,R;
};
TNode ST[maxn*8];
int n,m,cntNode;
int a[maxn];
void Input()
{
cin >> n >> m;
FOR(i,1,n)
cin >> a[i];
}
void update(int id, int l, int r, int u, int val)
{
if (l>u) return;
if (r<=u) {
ST[id].val+=val;
return;
}
int mid=(l+r)>>1;
if (ST[id].L==0) ST[id].L=++cntNode;
update(ST[id].L,l,mid,u,val);
if (mid+1<=u) {
if (ST[id].R==0) ST[id].R=++cntNode;
update(ST[id].R,mid+1,r,u,val);
}
}
int Get(int id, int l, int r, int u)
{
if (l>u||r<u) return 0;
if (id==0) return 0;
int mid=(l+r)>>1;
return ST[id].val+Get(ST[id].L,l,mid,u)+Get(ST[id].R,mid+1,r,u);
}
void Solve()
{
cntNode=1;
FOR(i,1,n)
update(1,1,1e9,a[i],1);
FOR(i,2,n)
update(1,1,1e9,min(a[i],a[i-1]),-1);
FOR(i,1,m) {
int typ;
cin >> typ;
if (typ==1) {
int x;
cin >> x;
cout << Get(1,1,1e9,x) << endl;
}
else {
int id,x;
cin >> id >> x;
if (id>1)
update(1,1,1e9,min(a[id],a[id-1]),1);
if (id<n)
update(1,1,1e9,min(a[id],a[id+1]),1);
update(1,1,1e9,a[id],-1);
a[id]=x;
if (id>1)
update(1,1,1e9,min(a[id],a[id-1]),-1);
if (id<n)
update(1,1,1e9,min(a[id],a[id+1]),-1);
update(1,1,1e9,a[id],1);
}
}
}
int main()
{
#ifdef meomeomeooooo
assign("input.txt","r",input);
//assign(".out","w",output);
#endif // meomeomeooooo
iostream::sync_with_stdio(false);
cin.tie(0);
Input();
Solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
540 KB |
Output is correct |
3 |
Correct |
2 ms |
624 KB |
Output is correct |
4 |
Correct |
5 ms |
1112 KB |
Output is correct |
5 |
Correct |
3 ms |
1112 KB |
Output is correct |
6 |
Correct |
3 ms |
1148 KB |
Output is correct |
7 |
Correct |
6 ms |
1592 KB |
Output is correct |
8 |
Correct |
5 ms |
1592 KB |
Output is correct |
9 |
Correct |
6 ms |
1592 KB |
Output is correct |
10 |
Correct |
7 ms |
1900 KB |
Output is correct |
11 |
Correct |
7 ms |
1900 KB |
Output is correct |
12 |
Correct |
8 ms |
1952 KB |
Output is correct |
13 |
Correct |
8 ms |
2048 KB |
Output is correct |
14 |
Correct |
7 ms |
2048 KB |
Output is correct |
15 |
Correct |
7 ms |
2064 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2064 KB |
Output is correct |
2 |
Correct |
5 ms |
2064 KB |
Output is correct |
3 |
Correct |
6 ms |
2068 KB |
Output is correct |
4 |
Correct |
26 ms |
5192 KB |
Output is correct |
5 |
Correct |
64 ms |
11684 KB |
Output is correct |
6 |
Correct |
88 ms |
13508 KB |
Output is correct |
7 |
Correct |
166 ms |
23000 KB |
Output is correct |
8 |
Runtime error |
118 ms |
44392 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
540 KB |
Output is correct |
3 |
Correct |
2 ms |
624 KB |
Output is correct |
4 |
Correct |
5 ms |
1112 KB |
Output is correct |
5 |
Correct |
3 ms |
1112 KB |
Output is correct |
6 |
Correct |
3 ms |
1148 KB |
Output is correct |
7 |
Correct |
6 ms |
1592 KB |
Output is correct |
8 |
Correct |
5 ms |
1592 KB |
Output is correct |
9 |
Correct |
6 ms |
1592 KB |
Output is correct |
10 |
Correct |
7 ms |
1900 KB |
Output is correct |
11 |
Correct |
7 ms |
1900 KB |
Output is correct |
12 |
Correct |
8 ms |
1952 KB |
Output is correct |
13 |
Correct |
8 ms |
2048 KB |
Output is correct |
14 |
Correct |
7 ms |
2048 KB |
Output is correct |
15 |
Correct |
7 ms |
2064 KB |
Output is correct |
16 |
Correct |
4 ms |
2064 KB |
Output is correct |
17 |
Correct |
5 ms |
2064 KB |
Output is correct |
18 |
Correct |
6 ms |
2068 KB |
Output is correct |
19 |
Correct |
26 ms |
5192 KB |
Output is correct |
20 |
Correct |
64 ms |
11684 KB |
Output is correct |
21 |
Correct |
88 ms |
13508 KB |
Output is correct |
22 |
Correct |
166 ms |
23000 KB |
Output is correct |
23 |
Runtime error |
118 ms |
44392 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
24 |
Halted |
0 ms |
0 KB |
- |