Submission #475141

#	Time	Username	Problem	Language	Result	Execution time	Memory
475141		ismoilov	Simple game (IZhO17_game)	C++14	0 / 100	1 ms	460 KiB

game

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
#define IOS ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

const int maxx = 2e5;

int tr[4*maxx];
int n;

void add(int x, int v){
	while(x <= n){
		tr[x] += v;
		x += (x & -x);
	}
}

int sum(int x){
	int s = 0;
	while(x > 0){
		s += tr[x];
		x -= (x & -x);
	}
	return s;
}

void S()
{
	int m;
	cin >> n >> m;
	vector <int> a(n+1);
	for(int i = 1; i <= n; i ++){
		cin >> a[i];
		add(a[i], 1);
	}
	for(int i = 0; i < m; i ++){
		int x;
		cin >> x;
		if(x == 1){
			int c, b;
			cin >> c >> b;
			add(a[c], -1);
			add(b, 1);
		}
		else{
			int b;
			cin >> b;
			cout << sum(b) << "\n";
		}
	}
}

int main()
{
	IOS;
	/*int t;
	cin >> t;
	while(t --)*/
		S();
}

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