Submission #1214914

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214914		sitingfake	Monkey and Apple-trees (IZhO12_apple)	C++20	100 / 100	237 ms	137368 KiB

apple

#include<bits/stdc++.h>
using namespace std;

// define

#define execute cerr << " Time: " << fixed << setprecision(6) << (1.0 * clock() / CLOCKS_PER_SEC) << "s\n";
#define ll long long
#define ld double
#define ii pair<int,int>
#define se second
#define fi first
#define iii pair<int,ii>
#define all(v) v.begin(),v.end()
#define bit(x,i) (((x)>>(i))&1LL)
#define flip(x,i) ((x)^(1LL<<(i)))
#define ms(d,x) memset(d,x,sizeof(d))
#define sitingfake 1
#define orz 1

//constant

const ll mod = 1e9 + 7;
const long long linf = 4557430888798830399;
const int inf = 1061109567;
const int maxarr = 1e6 + 5;
const int dx[] = {0,1,-1,0};
const int dy[] = {1,0,0,-1};

template<typename T> bool maximize(T &a, const T &b)
{
    if(a < b) {a = b; return 1;}
    return 0;
}

template<typename T> bool minimize(T &a, const T &b)
{
    if(a > b) {a = b; return 1;}
    return 0;
}

inline void Plus(ll & a ,ll b)
{
    b %= mod;
    a += b;
    if(a >= mod) a -= mod;
    if(a < 0) a += mod;
    return;
}

inline void Mul(ll & a, ll b)
{
    a %= mod; b %= mod;
    a *= b;
    a %= mod;
    return;
}

//code

struct DynamicSeg
{
    struct Node
    {
        int Data;
        int Lazy;

        Node *left;
        Node *right;

        Node()
        {
            left = right = NULL;
            Data = Lazy = 0;
        }
    };

    Node *root = new Node ();

    const int n;

    DynamicSeg (int n) : n(n) {}


    void Merge(Node * cur)
    {
        cur -> Data = cur -> left -> Data + cur -> right -> Data;
    }

    void ApplySum(Node * cur , int len , int val)
    {
        cur -> Data = len * val;
        cur -> Lazy = val;
    }

    void Push(Node * i ,int l ,int r, int mid)
    {
        if(i -> left == NULL) i -> left = new Node ();
        if(i -> right == NULL) i -> right = new Node ();

        if(i -> Lazy)
        {
            ApplySum(i -> left , mid - l + 1, i -> Lazy);
            ApplySum(i -> right , r - mid , i -> Lazy);
            i -> Lazy = 0;
        }
    }

    void UpdateRange(Node * i , int l ,int r, int u ,int v , int val)
    {
        if(u > r || v < l) return;
        if(u <= l && r <= v)
        {
            ApplySum(i , r - l + 1 , val);
            return;
        }

        int mid = (r + l) >> 1;

        Push(i , l , r , mid);

        UpdateRange(i -> left , l , mid , u , v , val);
        UpdateRange(i -> right, mid + 1, r , u , v , val);

        Merge(i);
    }

    int GetSum(Node * i , int l ,int r, int u ,int v)
    {
        if(u > r || v < l) return 0;

        if(u <= l && r <= v) return i -> Data;

        int mid = (r + l) >> 1;

        Push(i , l , r, mid);

        return GetSum(i -> left , l , mid , u , v) + GetSum(i -> right , mid + 1, r, u , v);
    }

    // write code here

    void update(int l , int r, int val)
    {
        UpdateRange(root , 1 , n , l , r , val);
    }

    int Query(int l ,int r)
    {
        return GetSum(root , 1 , n , l , r);
    }
};


void solve(void)
{
    int q , C = 0;
    cin >> q;

    DynamicSeg st(1e9 + 1);

    while(q--)
    {
        int type;
        cin >> type;
        if(type == 1)
        {
            int l , r;
            cin >> l >> r;
            C = st.Query(l + C , r + C);
            cout << C << "\n";
        }
        else
        {
            int l , r;
            cin >> l >> r;
            st.update(l + C , r + C, 1);
        }
    }
}
/**
**/
signed main()
{
   ios_base::sync_with_stdio(0);
   cin.tie(0);
   cout.tie(0);

   #define task ""

   if(fopen(task".inp","r"))
   {
       freopen(task".inp","r",stdin);
       freopen(task".out","w",stdout);
   }

   int tc; tc = 1;

   while(tc--) solve();

   //execute;
}

Compilation message (stderr)

apple.cpp: In function 'int main()':
apple.cpp:192:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  192 |        freopen(task".inp","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
apple.cpp:193:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  193 |        freopen(task".out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100