#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC optimize("conserve-stack")
#include<bits/stdc++.h>
//#define int long long
#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms";
using namespace std;
#define getchar_unlocked getchar
inline int scan()
{
char c = getchar_unlocked();
int x = 0;
while (c < '0' || c > '9')
{
c = getchar_unlocked();
}
while (c >= '0' && c <= '9')
{
x = (x << 1) + (x << 3) + c - '0';
c = getchar_unlocked();
}
return x;
}
void phongbeo();
const int inf = 1e18;
const int mod2 = 1e9 + 7;
const int mod1 = 998244353;
struct icd
{
long double a;
int b;
};
struct ib
{
int a;
int b;
};
struct ic
{
int a, b, c;
};
struct id
{
int a, b, c, d;
};
struct ie
{
int a, b, c, d, e;
};
int n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, l, r, mid, l2, r2, center;
int i, s10, s12,k1,k2,k3,s11,t,lim,w;
int kk;
int el = 19;
main()
{
if(fopen(task".inp","r"))
{
fin(task);
fou(task);
}
NHP
/// cin>>s1;
///modwwe
phongbeo();
// checktime
}
int a[200001];
int b[200001];
struct bit
{
int bit[500001];
void upd(int x,int y)
{
for(x; x<=k; x+=x&-x)
bit[x]+=y;
}
int get(int x)
{
int s=0;
for(x; x; x-=x&-x)
s+=bit[x];
return s;
}
} fen;
struct IT
{
int t[800001];
void build(int node,int l,int r)
{
if(l==r)
{
t[node]=a[l];
return;
}
int mid=l+r>>1;
build(node<<1,l,mid);
build(node<<1|1,mid+1,r);
t[node]=max(t[node<<1],t[node<<1|1]);
}
void upd(int node,int l,int r,int l1)
{
if(l==r)
{
t[node]=a[l];
return;
}
int mid=l+r>>1;
if(l1<=mid)upd(node<<1,l,mid,l1);
else upd(node<<1|1,mid+1,r,l1);
t[node]=max(t[node<<1],t[node<<1|1]);
}
int get(int node,int l,int r,int l1,int r1)
{
if(l>r1||r<l1) return 0;
if(l>=l1&&r<=r1) return t[node];
int mid=l+r>>1;
return max(get(node<<1,l,mid,l1,r1),get(node<<1|1,mid+1,r,l1,r1));
}
} st;
void solve_left()
{
for(int i=2; i<=n; i++)
{
if(a[i-1]<a[i])
{
fen.upd(a[i-1]+1,1),
fen.upd(a[i]+1,-1);
}
}
}
void del2(int x)
{
if(x==n+1)return;
if(x==1) return;
if(a[x-1]>=a[x])return;
fen.upd(a[x-1]+1,-1);
fen.upd(a[x]+1,1);
}
void del(int x)
{
del2(x+1);
del2(x);
}
void add2(int x)
{
if(x==n+1) return;
if(x==1) return;
if(a[x-1]>=a[x])return;
fen.upd(a[x-1]+1,1);
fen.upd(a[x]+1,-1);
}
void add(int x)
{
add2(x);
add2(x+1);
}
void upd(int x,int y)
{
del(x);
a[x]=y;
st.upd(1,1,n,x);
add(x);
}
vector<int> v;
vector<ic> v2;
void phongbeo()
{
cin>>n>>m;
for(int i=1; i<=n; i++)
cin>>a[i],v.pb(a[i]);
for(int i=1; i<=m; i++)
{
cin>>l;
if(l==2)
{
cin>>l>>r;
v.pb(r);
v2.pb({2,l,r});
}
else
{
cin>>l;
v2.pb({1,l,0});
}
}
sort(v.begin(),v.end());
for(int i=1; i<=n; i++)
a[i]=lower_bound(v.begin(),v.end(),a[i])-v.begin()+1;
for(int i=1; i<=n; i++)
b[i]=max(b[i-1],a[i]);
k=v.size();
st.build(1,1,n);
solve_left();
for(int i=1; i<=m; i++)
{
if(v2[i-1].a==2)
{
l=v2[i-1].b;
r=v2[i-1].c;
r=lower_bound(v.begin(),v.end(),r)-v.begin()+1;
upd(l,r);
continue;
}
r=v2[i-1].b;
/// cout<<st.t[1],down
if(r>v[st.t[1]-1])cout<<0,down
else
{
r=lower_bound(v.begin(),v.end(),r)-v.begin()+1;
s2=fen.get(r)+1;
if(if(a[1]<r))
s2--;
cout<<s2,down
}
}
}
Compilation message
employment.cpp:37:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
37 | const int inf = 1e18;
| ^~~~
employment.cpp:69:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
69 | main()
| ^~~~
employment.cpp: In member function 'void bit::upd(int, int)':
employment.cpp:90:13: warning: statement has no effect [-Wunused-value]
90 | for(x; x<=k; x+=x&-x)
| ^
employment.cpp: In member function 'int bit::get(int)':
employment.cpp:96:13: warning: statement has no effect [-Wunused-value]
96 | for(x; x; x-=x&-x)
| ^
employment.cpp: In member function 'void IT::build(int, int, int)':
employment.cpp:111:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
111 | int mid=l+r>>1;
| ~^~
employment.cpp: In member function 'void IT::upd(int, int, int, int)':
employment.cpp:123:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
123 | int mid=l+r>>1;
| ~^~
employment.cpp: In member function 'int IT::get(int, int, int, int, int)':
employment.cpp:132:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
132 | int mid=l+r>>1;
| ~^~
employment.cpp: In function 'void phongbeo()':
employment.cpp:229:20: error: expected primary-expression before 'if'
229 | if(if(a[1]<r))
| ^~
employment.cpp:229:20: error: expected ')' before 'if'
229 | if(if(a[1]<r))
| ~^~
| )
employment.cpp: In function 'int main()':
employment.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
13 | #define fin(x) freopen(x".inp","r",stdin)
| ~~~~~~~^~~~~~~~~~~~~~~~~~~
employment.cpp:73:9: note: in expansion of macro 'fin'
73 | fin(task);
| ^~~
employment.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | #define fou(x) freopen(x".out","w",stdout)
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~
employment.cpp:74:9: note: in expansion of macro 'fou'
74 | fou(task);
| ^~~
