Submission #895546

#	Time	Username	Problem	Language	Result	Execution time	Memory
895546		abysmal	원숭이와 사과 나무 (IZhO12_apple)	C++14	100 / 100	292 ms	136172 KiB

apple

#include<iostream>
#include<stdio.h>
#include<stdint.h>
#include<vector>
#include<algorithm>
#include<utility>
#include<set>
#include<map>
#include<queue>
#include<stack>
#include<iomanip>
#include<string>
#include<math.h>
#include<assert.h>

using namespace std;

const double PI = (double) atan(1.0) * 4;
const int64_t INF = (int64_t) 5e18 + 777;
const int64_t mINF = (int64_t) 1e6 + 777;
const int64_t offset = (int64_t) 1e6 + 777;
const int64_t MOD = 1e9 + 7;
const int nbit = 19;
const int ndig = 10;
const int nchar = 26;
const int p1 = 31;
const int p2 = 53;
const int D = 4;
int dr[D] = {0, 1, 0, -1};
int dc[D] = {1, 0, -1, 0};
// 0 right // 1 down // 2 left // 3 up

struct Node
{
    int sum; int tag;
    Node* left; Node* right;
    Node(int sum_ = 0, int tag_ = 0) : sum(sum_), tag(tag_)
    {
        left = NULL; right = NULL;
    }
};

struct Tree
{
    Node* root;
    Tree()
    {
        root = new Node();
    }

    void update(Node* cur, int nleft, int nright, int left, int right)
    {
        if(left > nright || nleft > right) return;
        int len = nright - nleft + 1;
        if(left <= nleft && nright <= right)
        {
            cur->tag++;
            cur->sum = len;

            return;
        }

        push(cur, len / 2);
        int mid = nleft + (nright - nleft) / 2;
        if(cur->left == NULL) cur->left = new Node();
        if(cur->right == NULL) cur->right = new Node();
        update(cur->left, nleft, mid, left, right);
        update(cur->right, mid + 1, nright, left, right);
        cur->sum = cur->left->sum + cur->right->sum;
    }

    int get(Node* cur, int nleft, int nright, int left, int right)
    {
        if(cur == NULL) return 0;
        if(left > nright || nleft > right) return 0;
        if(left <= nleft && nright <= right) return cur->sum;
        int len = nright - nleft + 1;
        push(cur, len / 2);
        int mid = nleft + (nright - nleft) / 2;
        return get(cur->left, nleft, mid, left, right) +
               get(cur->right, mid + 1, nright, left, right);
    }

    void updateRange(int l, int r)
    {
        update(root, 1, (1 << 30), l, r);
    }

    int query(int l, int r)
    {
        return get(root, 1, (1 << 30), l, r);
    }

    void push(Node* i, int len)
    {
        if(i->tag == 0) return;
        if(i->left == NULL) i->left = new Node();
        if(i->right == NULL) i->right = new Node();

        i->left->tag += i->tag;
        i->left->sum = len;

        i->right->tag += i->tag;
        i->right->sum = len;
        i->tag = 0;
    }
};

struct Solution
{
    Solution() {}

    void solve()
    {
        int n;
        cin >> n;

        int c = 0;
        Tree tree;
        for(int i = 0; i < n; i++)
        {
            int t; int x; int y;
            cin >> t >> x >> y;
            x += c; y += c;
            if(t == 1)
            {
                c = tree.query(x, y);
                cout << c << "\n";
            }
            else tree.updateRange(x, y);
        }
    }

    int modsub(int t1, int t2)
    {
        int res = t1 - t2;
        if(res < 0) res += MOD;

        return res;
    }

    bool BIT(int& mask, int& j)
    {
        return (mask & MASK(j));
    }

    int64_t Abs(int64_t t1)
    {
        if(t1 < 0) return -t1;
        return t1;
    }

    int MASK(int j)
    {
        return (1 << j);
    }
};

void __startup()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
//
//    freopen("in.txt", "r", stdin);
//    freopen("out.txt", "w", stdout);
}

int main()
{
    __startup();
    int t = 1;
//    cin >> t;

    for(int i = 1; i <= t; i++)
    {
        Solution().solve();
    }

    return 0;
}

• Subtask 1: 100 / 100