分析

数据量很小！就不需要多的思考！暴力狠狠暴力！直接模拟就行啦！

代码

#include "bits/stdc++.h"

using namespace std;
#define int long long
#define endl "\n"
#define PII pair<int,int>
#define PIII pair<int,PII>
const int MOD = 1e9 + 7;
const int N = 3e5;


void slu() {
    int n, m;
    cin >> n >> m;
    vector<int> a(n);
    for (int i = 0; i < n; i++)cin >> a[i];
    while (m--) {
        int chose, i, x;
        cin >> chose >> i >> x;
        if (chose == 1) {
            i--;
            a[i] = x;
        } else {
            int cnt = 0;
            for (int j = 0; j < i; j++)if (a[j] == x)cnt++;
            cout << cnt << endl;
        }
    }
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T;
//    cin >> T;
    T = 1;
    while (T--)slu();

}