#include <bits/stdc++.h>

#include <atcoder/all>
using namespace std;
using i32 = int;
using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
#define FAST_IO                \
  ios::sync_with_stdio(false); \
  cin.tie(0);
const i64 INF = 1001001001001001001;
using Modint = atcoder::static_modint<998244353>;

i64 op(i64 a, i64 b) {
  return min(a, b);
}
i64 e() {
  return INF;
}

int main() {
  FAST_IO
  auto ans = 0LL;

  int N, Q;
  cin >> N >> Q;

  atcoder::segtree<i64, op, e> segL(N), segR(N);

  for (int i = 0; i < Q; i++) {
    int t;
    cin >> t;
    if (t == 1) {
      int x;
      cin >> x;
      x--;

      i64 v = x;
      v = min(v, segL.prod(0, x + 1) + x);
      v = min(v, segR.prod(x, N) - x);
      cout << v << endl;
    } else if (t == 2) {
      int x;
      i64 c;
      cin >> x >> c;

      x--;

      segL.set(x, min(c - x, segL.get(x)));
      segR.set(x, min(c + x, segR.get(x)));
    }
  }

}