//#ifndef LOCAL
//#pragma GCC optimize ("Ofast")
//#pragma GCC optimize ("unroll-loops")
//#endif
#include <bits/stdc++.h>
using namespace std;
using vecp = vector<pair<int,int>>;
#define vecm(a,n,m) vector<vector<int>>a(n,vector<int>(m,0));
#define int int64_t
#define pb push_back
#define pii pair<int,int>
#define vi vector<int>
#define vii vector<pii>
#define mpii map<int,int>
#define lb lower_bound
#define ub upper_bound
#define foor(i,a,b) for(int i=a;i<b; i++)
#define foor(i,a) foor(i,0,a)
#define ins insert
#define ss second
#define ff first
#define until(x, a) for (auto x : a)
#define ln(x) int(x.size())
#define all(x) (x).begin(), (x).end()
#define seea(a,n) for(int i=0;i<n;i++){cin>>a[i];}
#define seev(v,n) for(int i=0;i<n;i++){int x; cin>>x; v.push_back(x);}
const int mod = 1E9+7;
struct segtree{
vi tree;
int sz;
void init(int n){
sz=1;
while(sz<n)sz*=2;
tree.assign(2*sz-1,0);
}
void update(int i,int v,int x,int lx,int rx){
if(rx-lx==1){
tree[x]+=v;
return;
}
int m=(lx+rx)/2;
if(i<m)update(i,v,2*x+1,lx,m);
else update(i,v,2*x+2,m,rx);
tree[x]=tree[2*x+1]+tree[2*x+2];
}
void update(int i,int v){
return update(i,v,0,0,sz);
}
int sum(int l,int r,int x,int lx,int rx){
if(rx<=l || r<=lx)return 0;
if(l<=lx && rx<=r)return tree[x];
int m=(lx+rx)/2;
int s1=sum(l,r,2*x+1,lx,m);
int s2=sum(l,r,2*x+2,m,rx);
return s1+s2;
}
int sum(int l,int r){
return sum(l,r,0,0,sz);
}
};
void solution(){
int n,m;
cin >> n >> m;
int a[n];
segtree st;
int maks=0;
for(int i=0; i<n; i++){
cin >> a[i];
maks=max(a[i],maks);
}
st.init(maks);
for(int i=1; i<n; i++){
int mn=min(a[i],a[i-1]);
int mx=max(a[i],a[i-1]);
st.update(mn-1,1);
if(mx<maks)
st.update(mx,-1);
}
while(m--){
int op;
cin >> op;
if(op==2){
int k;
cin >> k;
if(k>maks)cout << 0;
else cout << st.sum(0,k) << endl;
}
else {
int i,v;
cin >> i >> v;
if(i==1){
int mn=min(a[i],a[i-1]);
int mx=max(a[i],a[i-1]);
st.update(mn-1,-1);
if(mx<maks)
st.update(mx,1);
a[i-1]=v;
mn=min(a[i],a[i-1]);
mx=max(a[i],a[i-1]);
st.update(mn-1,1);
if(mx<maks)
st.update(mx,-1);
}
else if(i==n){
int mn=min(a[i-2],a[i-1]);
int mx=max(a[i-2],a[i-1]);
st.update(mn-1,-1);
if(mx<maks)
st.update(mx,1);
a[i-1]=v;
mn=min(a[i-1],a[i-2]);
mx=max(a[i-1],a[i-2]);
st.update(mn-1,1);
if(mx<maks)
st.update(mx,-1);
}
else {
i--;
int mn=min(a[i],a[i-1]);
int mx=max(a[i],a[i-1]);
st.update(mn-1,-1);
if(mx<maks)
st.update(mx,1);
mn=min(a[i-1],a[i-2]);
mx=max(a[i-1],a[i-2]);
st.update(mn-1,-1);
if(mx<maks)
st.update(mx,1);
a[i]=v;
mn=min(a[i],a[i-1]);
mx=max(a[i],a[i-1]);
st.update(mn-1,1);
if(mx<maks)
st.update(mx,-1);
mn=min(a[i-2],a[i-1]);
mx=max(a[i-2],a[i-1]);
st.update(mn-1,1);
if(mx<maks)
st.update(mx,1);
}
}
}
}
int32_t main(){
clock_t tStart = clock();
std::ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int q = 1; // cin >> q;
while(q--) {
solution();
cout << '\n';
}
cerr<<fixed<<setprecision(3)<<"\nTime Taken: "<<(double)(clock()- tStart)/CLOCKS_PER_SEC<<endl;
}
/*
██╗ ██╗ █████╗ ██████╗ ██╗██╗ ██╗ ██████╗████████╗
██║░░██║██╔══██╗██╔════╝░░░░░██║██║░░░██║██╔════╝╚══██╔══╝
███████║██║░░██║╚█████╗░░░░░░██║██║░░░██║╚█████╗░░░░██║░░░
██╔══██║██║░░██║░╚═══██╗██╗░░██║██║░░░██║░╚═══██╗░░░██║░░░
██║░░██║╚█████╔╝██████╔╝╚█████╔╝╚██████╔╝██████╔╝░░░██║░░░
╚═╝░░╚═╝░╚════╝░╚═════╝░░╚════╝░░╚═════╝░╚═════╝░░░░╚═╝░░░
*/
Compilation message
game.cpp:19: warning: "foor" redefined
19 | #define foor(i,a) foor(i,0,a)
|
game.cpp:18: note: this is the location of the previous definition
18 | #define foor(i,a,b) for(int i=a;i<b; i++)
|
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Incorrect |
7 ms |
16860 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Incorrect |
7 ms |
16860 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
344 KB |
Output is correct |
| 2 |
Incorrect |
7 ms |
16860 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
