#include <bits/stdc++.h>
using namespace std;
const int N = (1 << 31);
int t, a, b, c;
int tree[2000006];
int nodes;
int le[2000006], ri[2000006];
int left(int x)
{
if (!le[x])
{
return le[x] = ++nodes;
}
return le[x];
}
int right(int x)
{
if (!ri[x])
{
return ri[x] = ++nodes;
}
return ri[x];
}
void update(int node, int L, int R, int l, int r)
{
if (l > r || l > R || r < L || tree[node] == R - L + 1)
return;
if (L >= l && R <= r)
{
tree[node] = R - L + 1;
return;
}
int mid = (L + R) >> 1;
update(left(node), L, mid, l, r);
update(right(node), mid + 1, R, l, r);
if (!le[node])
tree[node] = tree[ri[node]];
else if (!ri[node])
tree[node] = tree[le[node]];
else
tree[node] = tree[le[node]] + tree[ri[node]];
}
int query(int node, int L, int R, int l, int r)
{
if (l > r || l > R || r < L)
return 0;
if (L >= l && R <= r)
{
return tree[node];
}
if (tree[node] == R - L + 1)
{
return min(r, R) - max(l, L) + 1;
}
int mid = (L + R) >> 1;
int s1 = query(left(node), L, mid, l, r);
int s2 = query(right(node), mid + 1, R, l, r);
return s1 + s2;
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
//freopen("in.in", "r", stdin);
cin >> t;
int C = 0;
while (t--)
{
int a, b, c;
cin >> a >> b >> c;
b += C;
c += C;
if (a == 1)
{
int ans = query(0, 1, N, b, c);
C = ans;
cout << ans << "\n";
}
else
{
update(0, 1, N, b, c);
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
384 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |