답안 #254111

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
254111 2020-07-29T11:07:12 Z test2 원숭이와 사과 나무 (IZhO12_apple) C++14
100 / 100
68 ms 16532 KB
#include <bits/stdc++.h>

using namespace std;

const int N = (1 << 30);
int t, a, b, c;
int tree[2000006];
int nodes;
int le[2000006], ri[2000006];

int left(int x)
{
        if (le[x] == -1)
                le[x] = ++nodes;
        return le[x];
}

int right(int x)
{
        if (ri[x] == -1)
                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] == -1)
                tree[node] = tree[ri[node]];
        else if (ri[node] == -1)
                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 || node == -1)
                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(le[node], L, mid, l, r);
        int s2 = query(ri[node], mid + 1, R, l, r);

        return s1 + s2;
}

int main()
{
        ios_base::sync_with_stdio(0);
        cin.tie(0);
        memset(le, -1, sizeof le);
        memset(ri, -1, sizeof ri);
        //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 Correct 8 ms 16032 KB Output is correct
2 Correct 8 ms 16000 KB Output is correct
3 Correct 8 ms 16000 KB Output is correct
4 Correct 12 ms 16000 KB Output is correct
5 Correct 13 ms 16000 KB Output is correct
6 Correct 14 ms 16000 KB Output is correct
7 Correct 12 ms 16000 KB Output is correct
8 Correct 30 ms 16128 KB Output is correct
9 Correct 56 ms 16376 KB Output is correct
10 Correct 56 ms 16412 KB Output is correct
11 Correct 51 ms 16376 KB Output is correct
12 Correct 54 ms 16376 KB Output is correct
13 Correct 68 ms 16504 KB Output is correct
14 Correct 59 ms 16504 KB Output is correct
15 Correct 62 ms 16532 KB Output is correct
16 Correct 61 ms 16504 KB Output is correct
17 Correct 67 ms 16504 KB Output is correct
18 Correct 56 ms 16504 KB Output is correct
19 Correct 65 ms 16504 KB Output is correct
20 Correct 53 ms 16504 KB Output is correct