#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define ar array
#define fr first
#define sc second
#define vec vector
#define ret return
#define ins insert
#define mk make_pair
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_back
#define int long long
#define pii pair<int,int>
#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()
#define NeedForSpeed ios::sync_with_stdio(0),cin.tie(0);
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const int N=1e6+12,INF=1e9,mod = 1e9+7;
bool iswowel(char n){ n = toupper(n); if(n == 'A' || n == 'O' || n == 'U' || n == 'E' || n == 'I') return true; else return false;}
int n,m,k,x,y,l,r,o,ans,res,ok,mx,mn = INF;
int a[N],b,c;
int t[N*4];
void update(int v,int l,int r,int ql,int qr,int add){
if (r < ql || qr < l)
ret;
if(ql <= l && r <= qr)
t[v] += add;
else{
int m = l + r >> 1;
update(v*2,l,m,ql, min(m,qr),add);
update(v*2+1,m+1,r,max(m+1,ql),qr,add);
}
}
int get(int v,int l,int r,int i){
if(l == r)
ret t[v];
int m = l + r >> 1;
if(i <= m)
ret t[v] + get(v*2,l,m,i);
else
ret t[v] + get(v*2+1,m+1,r,i);
}
main(){
NeedForSpeed
//freopen("game.in","r",stdin);
//freopen("game.out","w",stdout);
cin>>n>>m;
for(int i=1; i<=n; i++){
cin>>a[i];
}
for(int i=2; i<=n; i++){
update(1,1,100000,min(a[i], a[i-1])+1, max(a[i], a[i-1])-1, 1);
}
while(m--){
cin>>o;
if(o == 1){
int i;
cin>>i>>x;
if(1 < i){
update(1, 1, 100000, min(a[i-1], a[i])+1, max(a[i-1], a[i])-1, -1);
}
if(i < n){
update(1, 1, 100000, min(a[i+1], a[i])+1, max(a[i+1], a[i])-1, -1);
}
a[i] = x;
if(1 < i){
update(1, 1, 100000, min(a[i-1], a[i])+1, max(a[i-1], a[i])-1, 1);
}
if(i < n){
update(1, 1, 100000, min(a[i+1], a[i])+1, max(a[i+1], a[i])-1, 1);
}
}
else{
cin>>x;
cout<<get(1,1,100000,x)<<endl;
}
}
return 0;
}
Compilation message
game.cpp: In function 'void update(long long int, long long int, long long int, long long int, long long int, long long int)':
game.cpp:41:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
41 | int m = l + r >> 1;
| ~~^~~
game.cpp: In function 'long long int get(long long int, long long int, long long int, long long int)':
game.cpp:49:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
49 | int m = l + r >> 1;
| ~~^~~
game.cpp: At global scope:
game.cpp:55:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
55 | main(){
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
1100 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
1100 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
1100 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
