#include<bits/stdc++.h>
using namespace std;
#define endl "\n"
#define ll long long
#define ld long double
#define int long long
#define pb push_back
#define sz size()
#define fr first
#define sc second
void start(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
void fre(string n){freopen((n+".in").c_str(),"r",stdin);freopen((n+".out").c_str(),"w",stdin);}
const ll N = 1e6 + 10 ;
const ll inf=1e9+7;
vector <ll> t(4*N),add(4*N);
ll n;
void push(ll v,ll tl,ll tr){
if(tl==tr)t[v]+=add[v];
else{
add[v*2]+=add[v];
add[v*2+1]+=add[v];
}
add[v]=0;
}
void update(ll v,ll tl,ll tr,ll l,ll r){
push(v,tl,tr);
if(tl>r || tr<l) return;
if(l<=tl && tr<=r){
add[v]++;
push(v,tl,tr);
return;
}
ll tm=(tl+tr)/2;
update(v*2,tl,tm,l,r);
update(v*2+1,tm+1,tr,l,r);
}
void update2(ll v,ll tl,ll tr, ll l,ll r){
push(v,tl,tr);
if(tl>r || tr<l) return;
if(l<=tl && tr<=r){
add[v]--;
push(v,tl,tr);
return;
}
ll tm=(tl+tr)/2;
update2(v*2,tl,tm,l,r);
update2(v*2+1,tm+1,tr,l,r);
}
ll get(ll v,ll tl,ll tr, ll pos){
push(v,tl,tr);
if(tl>pos || tr<pos) return 0;
if(tl==tr){
push(v,tl,tr);
return t[v];
}
ll tm=(tl+tr)/2;
return get(v*2,tl,tm,pos)+get(v*2+1,tm+1,tr,pos);
}
void solve(){
ll i,b,q;
cin>>n>>q;
vector <ll> v;
v.pb(0);
for(i=1;i<=n;i++){
cin>>b;
v.pb(b);
if(i>1) update(1,1,1000000,min(v[i-1],v[i]),max(v[i-1],v[i]));
}
while(q--){
ll tp; cin>>tp;
if(tp==1){
ll id,h;
cin>>id>>h;
if(id>1){
update2(1,1,1000000,min(v[id-1],v[id]),max(v[id-1],v[id]));
update(1,1,1000000,min(v[id-1],h),max(v[id-1],h));
}
if(id<n){
update2(1,1,1000000,min(v[id+1],v[id]),max(v[id+1],v[id]));
update(1,1,1000000,min(v[id+1],h),max(v[id+1],h));
}
v[id]=h;
}
else {
ll pos;
cin>>pos;
cout<<get(1,1,1000000,pos)<<endl;
}
}
}
main(){
//fre("");
//start();
ll t=1;
//cin>>t;
while(t--)solve();
}
/*
3 3
1 5 1
2 3
1 1 5
2 3
*/
Compilation message
game.cpp:95:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
95 | main(){
| ^~~~
game.cpp: In function 'void fre(std::string)':
game.cpp:16:27: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
16 | void fre(string n){freopen((n+".in").c_str(),"r",stdin);freopen((n+".out").c_str(),"w",stdin);}
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
game.cpp:16:64: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
16 | void fre(string n){freopen((n+".in").c_str(),"r",stdin);freopen((n+".out").c_str(),"w",stdin);}
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
62932 KB |
Output is correct |
2 |
Correct |
26 ms |
62880 KB |
Output is correct |
3 |
Correct |
27 ms |
62924 KB |
Output is correct |
4 |
Correct |
27 ms |
62960 KB |
Output is correct |
5 |
Correct |
26 ms |
62956 KB |
Output is correct |
6 |
Correct |
30 ms |
62944 KB |
Output is correct |
7 |
Correct |
30 ms |
62952 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
62932 KB |
Output is correct |
2 |
Correct |
26 ms |
62880 KB |
Output is correct |
3 |
Correct |
27 ms |
62924 KB |
Output is correct |
4 |
Correct |
27 ms |
62960 KB |
Output is correct |
5 |
Correct |
26 ms |
62956 KB |
Output is correct |
6 |
Correct |
30 ms |
62944 KB |
Output is correct |
7 |
Correct |
30 ms |
62952 KB |
Output is correct |
8 |
Correct |
246 ms |
64352 KB |
Output is correct |
9 |
Correct |
341 ms |
64624 KB |
Output is correct |
10 |
Correct |
334 ms |
64872 KB |
Output is correct |
11 |
Correct |
235 ms |
64308 KB |
Output is correct |
12 |
Correct |
289 ms |
64716 KB |
Output is correct |
13 |
Correct |
275 ms |
64728 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
62932 KB |
Output is correct |
2 |
Correct |
26 ms |
62880 KB |
Output is correct |
3 |
Correct |
27 ms |
62924 KB |
Output is correct |
4 |
Correct |
27 ms |
62960 KB |
Output is correct |
5 |
Correct |
26 ms |
62956 KB |
Output is correct |
6 |
Correct |
30 ms |
62944 KB |
Output is correct |
7 |
Correct |
30 ms |
62952 KB |
Output is correct |
8 |
Correct |
246 ms |
64352 KB |
Output is correct |
9 |
Correct |
341 ms |
64624 KB |
Output is correct |
10 |
Correct |
334 ms |
64872 KB |
Output is correct |
11 |
Correct |
235 ms |
64308 KB |
Output is correct |
12 |
Correct |
289 ms |
64716 KB |
Output is correct |
13 |
Correct |
275 ms |
64728 KB |
Output is correct |
14 |
Correct |
409 ms |
64416 KB |
Output is correct |
15 |
Correct |
418 ms |
64476 KB |
Output is correct |
16 |
Correct |
413 ms |
64360 KB |
Output is correct |
17 |
Correct |
406 ms |
64460 KB |
Output is correct |
18 |
Correct |
416 ms |
64380 KB |
Output is correct |