Submission #848934

# Submission time Handle Problem Language Result Execution time Memory
848934 2023-09-13T18:08:30 Z Ahmed_Solyman Monkey and Apple-trees (IZhO12_apple) C++14
Compilation error
0 ms 0 KB
/*
In the name of Allah
made by: Ahmed_Solyman
*/
#include <bits/stdc++.h>
#include <ext/rope>

using namespace std;
using namespace __gnu_cxx;
#pragma GCC optimize("-Ofast")
#pragma GCC optimize("-O1")
//-------------------------------------------------------------//
typedef long long ll;
typedef unsigned long long ull;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define PI acos(-1)
#define lb lower_bound
#define ub upper_bound
#define all(v) v.begin(),v.end()
#define allr(v) v.rbegin(),v.rend()
#define sum_to(n) (n*(n+1))/2
#define pb push_back
#define pf push_front
#define fil(arr,x) memset(arr,x,sizeof(arr))
#define REP(i,a,b) for (int i=a;i<=b;i++)
#define F first
#define S second
#define MP make_pair
const ll mod=1e9+7;
int dx[8]={0,1,0,-1,1,1,-1,-1};
int dy[8]={1,0,-1,0,1,-1,-1,1};
//-------------------------------------------------------------//
ll lcm(ll a,ll b)
{
    return (max(a,b)/__gcd(a,b))*min(a,b);
}
void person_bool(bool x)
{
    cout<<(x?"YES":"NO")<<endl;
}
const int N=4e5+5;
struct node{
    int sum,lazy,l,r,left,right;
    Node() : sum(0), lazy(0), left(-1), right(-1) {}
}segtree[64*N];
int cnt=2;
void push_lazy(int node){
    if(segtree[node].lazy){
        segtree[node].sum=segtree[node].r-segtree[node].l+1;
        int mid=(segtree[node].l+segtree[node].r)/2;
        if(segtree[node].left==-1){
            segtree[node].left=cnt;
            segtree[cnt].l=segtree[node].l;
            segtree[cnt++].r=mid;
        }
        if(segtree[node].right==-1){
            segtree[node].right=cnt;
            segtree[cnt].l=mid+1;
            segtree[cnt++].r=segtree[node].r;
        }
        segtree[segtree[node].left].lazy=segtree[segtree[node].right].lazy=1;
        segtree[node].lazy=0;
    }
}
void update(int node,int l,int r){
    push_lazy(node);
    if(segtree[node].l==l && segtree[node].r==r){
        segtree[node].lazy=1;
        push_lazy(node);
        return;
    }
    int mid=(segtree[node].l+segtree[node].r)/2;
    if(segtree[node].left==-1){
        segtree[node].left=cnt;
        segtree[cnt].l=segtree[node].l;
        segtree[cnt++].r=mid;
    }
    if(segtree[node].right==-1){
        segtree[node].right=cnt;
        segtree[cnt].l=mid+1;
        segtree[cnt++].r=segtree[node].r;
    }
    if(l>mid)update(segtree[node].right,l,r);
    else if(r<=mid)update(segtree[node].left,l,r);
    else update(segtree[node].left,l,mid),update(segtree[node].right,mid+1,r);
    push_lazy(segtree[node].l);
	push_lazy(segtree[node].r);
    segtree[node].sum=segtree[segtree[node].l].sum+segtree[segtree[node].r].sum;
}
int query(int node,int l,int r){
    push_lazy(node);
    if(segtree[node].l==l && segtree[node].r==r){
        return segtree[node].sum;
    }
    int mid=segtree[node].l+segtree[node].r>>1;
    if(segtree[node].left==-1){
        segtree[node].left=cnt;
        segtree[cnt].l=segtree[node].l;
        segtree[cnt++].r=mid;
    }
    if(segtree[node].right==-1){
        segtree[node].right=cnt;
        segtree[cnt].l=mid+1;
        segtree[cnt++].r=segtree[node].r;
    }
    if(l>mid)return query(segtree[node].right,l,r);
    else if(r<=mid)return query(segtree[node].left,l,r);
    else return query(segtree[node].left,l,mid)+query(segtree[node].right,mid+1,r);
}
int main()
{
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    segtree[1].l=1;
    segtree[1].r=1e9;
    int q;cin>>q;
    int c=0;
    while(q--){
        int t,l,r;cin>>t>>l>>r;
        if(t==1){
            c=query(1,l+c,r+c);
            cout<<c<<endl;
        }
        else{
            update(1,l+c,r+c);
        }
    }
    return 0;
}

Compilation message

apple.cpp:44:5: error: ISO C++ forbids declaration of 'Node' with no type [-fpermissive]
   44 |     Node() : sum(0), lazy(0), left(-1), right(-1) {}
      |     ^~~~
apple.cpp: In member function 'int node::Node()':
apple.cpp:44:14: error: only constructors take member initializers
   44 |     Node() : sum(0), lazy(0), left(-1), right(-1) {}
      |              ^~~
apple.cpp:44:52: warning: no return statement in function returning non-void [-Wreturn-type]
   44 |     Node() : sum(0), lazy(0), left(-1), right(-1) {}
      |                                                    ^
apple.cpp: In function 'int query(int, int, int)':
apple.cpp:95:28: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   95 |     int mid=segtree[node].l+segtree[node].r>>1;
      |             ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~