#include <bits/stdc++.h>
using namespace std;
struct sgtnode {
int il, ir;
bool v = false;
int cnt = 0;
sgtnode *l, *r;
inline void expand() {
if (il == ir || l) return;
const int m = il + ir >> 1;
l = new sgtnode{il, m};
r = new sgtnode{m + 1, ir};
updlz();
}
inline void build() {
if (!l) return;
l->updlz();
r->updlz();
cnt = l->cnt + r->cnt;
}
inline void updlz() {
if (!v) return;
cnt = ir - il + 1;
if (l) l->v = r->v = true;
}
int get(int tl, int tr) {
if (ir < tl || tr < il) return 0;
updlz();
if (tl <= il && ir <= tr) return cnt;
expand();
return l->get(tl, tr) + r->get(tl, tr);
}
void set(int tl, int tr) {
if (ir < tl || tr < il) return;
if (tl <= il && ir <= tr) return v = true, updlz();
expand();
l->set(tl, tr);
r->set(tl, tr);
build();
}
} sgt{1, 1000000000, false};
int c;
signed main() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int q;
cin >> q;
while (q--) {
char o;
int l, r;
cin >> o >> l >> r;
if (o == '1') cout << (c = sgt.get(l + c, r + c)) << '\n';
else sgt.set(l + c, r + c);
}
}
