-
Notifications
You must be signed in to change notification settings - Fork 0
/
A.cpp
88 lines (72 loc) · 1.53 KB
/
A.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define ff first
#define ss second
#define rep(i, a, b) for(int i = a; i < b; i++)
#define repR(i, a, b) for (int i = a; i >= b; --i)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define sz(x) (int)(x).size()
#define mem1(a) memset(a,-1,sizeof(a))
#define mem0(a) memset(a,0,sizeof(a))
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define vi vector<int>
#define vvi vector<vi>
#define vll vector<ll>
#define vvll vector<vll>
#define vs vector<string>
#define vb vector<bool>
#define vpii vector<pii>
#define vpll vector<pll>
#define mod 1000000007
#define ps(x,y) fixed << setprecision(y) << x
#define fastio ios_base::sync_with_stdio(false),cin.tie(NULL),cout.tie(NULL)
void solve()
{
int n, q;
cin >> n >> q;
vi a(n);
int ones = 0;
rep(i, 0, n) {
cin >> a[i];
if(a[i] == 1) ones++;
}
while(q--) {
int t; cin >> t;
if(t == 1) {
int x; cin >> x;
--x;
if(a[x] == 0) {
a[x] = 1;
ones++;
}
else {
a[x] = 0;
ones--;
}
}
else {
int x; cin >> x;
if(x <= ones) cout << 1 << '\n';
else cout << 0 << '\n';
}
}
}
int main()
{
fastio;
/*#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif*/
int t = 1;
//cin >> t;
while (t--) solve();
return 0;
}