Submission #499811

#	Time	Username	Problem	Language	Result	Execution time	Memory
499811		tmn2005	Simple game (IZhO17_game)	C++17	0 / 100	2 ms	1100 KiB

game

#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 (stderr)

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(){
      | ^~~~

• Subtask 1: 0 / 22
• Subtask 2: 0 / 27
• Subtask 3: 0 / 51