Submission #884930

# Submission time Handle Problem Language Result Execution time Memory
884930 2023-12-08T17:24:41 Z MarwenElarbi Monkey and Apple-trees (IZhO12_apple) C++14
0 / 100
294 ms 191416 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define vi vector<int>
#define ve vector
#define ll long long
#define vl vector<ll>
#define vll vector<pair<ll,ll>>
#define onbit __builtin_popcount
#define ii pair<int,int>
#define vvi vector<vi>
#define vii vector<ii>
#define gii greater<ii>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF 1e18
#define eps 1e-7
#define eps1 1e-2
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define MAX_A 1e5+5
using namespace std;
using namespace __gnu_pbds;
template <class T>
using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const ll MOD = 1e9+7;
const int nax = 1e6+5;
const int MAX_VAL = 1e6+1;
double PI=3.14159265359;
int arx[8]={1,0,0,-1,-1,-1, 1, 1};
int ary[8]={0,1,-1, 0, 1,-1,-1, 1};
void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
int cnt=0;
struct Node{
    int sum, lazy, left, right, tl, tr;
    Node(): sum(0), lazy(0), left(-1), right(-1) {}
};
Node segtree[nax*4];
void expand(int pos){
    if(segtree[pos].lazy==1){
        segtree[pos].sum=segtree[pos].tr-segtree[pos].tl+1;
        int mid=(segtree[pos].tl+segtree[pos].tr)/2;
        if(segtree[pos].left==-1){
            segtree[pos].left=++cnt;
            segtree[segtree[pos].left].tl=segtree[pos].tl;
            segtree[segtree[pos].left].tr=mid;
        }
        if(segtree[pos].right==-1){
            segtree[pos].right=++cnt;
            segtree[segtree[pos].right].tl=mid+1;
            segtree[segtree[pos].right].tr=segtree[pos].tr;
        }
        segtree[segtree[pos].left].lazy=segtree[segtree[pos].right].lazy=1;
    }
    segtree[pos].lazy=0;
}
void update(int pos,int l,int r){
    expand(pos);
    //cout<<pos<<" "<<segtree[pos].tl<<" "<<segtree[pos].tr<<endl;
    if(segtree[pos].tl==l&&segtree[pos].tr==r){
        segtree[pos].lazy=1;
        expand(pos);
        return;
    }
    int mid=(segtree[pos].tl+segtree[pos].tr)/2;
    if(segtree[pos].left==-1){
        segtree[pos].left=++cnt;
        segtree[segtree[pos].left].tl=segtree[pos].tl;
        segtree[segtree[pos].left].tr=mid;
    }
    if(segtree[pos].right==-1){
        segtree[pos].right=++cnt;
        segtree[segtree[pos].right].tl=mid+1;
        segtree[segtree[pos].right].tr=segtree[pos].tr;
    }
    if(l>mid) update(segtree[pos].right,l,r);
    else if (r<=mid) update(segtree[pos].left,l,r);
    else{
        update(segtree[pos].left,l,mid);
        update(segtree[pos].right,mid+1,r);
    }
    expand(segtree[pos].left);
    expand(segtree[pos].right);
    segtree[pos].sum=segtree[segtree[pos].left].sum+segtree[segtree[pos].right].sum;
    return;
}
int query(int pos,int l,int r){
    expand(pos);
    if(segtree[pos].tl==l&&segtree[pos].tr==r){
        return segtree[pos].sum;
    }
    int mid=(segtree[pos].tl+segtree[pos].tr)/2;
    if(segtree[pos].left==-1){
        segtree[pos].left=++cnt;
        segtree[segtree[pos].left].tl=segtree[pos].tl;
        segtree[segtree[pos].left].tr=mid;
    }
    if(segtree[pos].right==-1){
        segtree[pos].right=++cnt;
        segtree[segtree[pos].right].tl=mid+1;
        segtree[segtree[pos].right].tr=segtree[pos].tr;
    }
    if(l>mid) return query(segtree[pos].right,l,r);
    else if (r<=mid) return query(segtree[pos].left,l,r);
    else{
        return query(segtree[pos].left,l,mid)+query(segtree[pos].right,mid+1,r);
    }
}
int main(){
    optimise;
    /*#ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif*/
    //setIO("snowcow");
    int n;
    cin>>n;
    int lst=0;
    segtree[0].sum=0;
    segtree[0].lazy=0;
    segtree[0].tl=0;
    segtree[0].tr=1e9;
    for (int i = 0; i < n; ++i)
    {
        int c;
        cin>>c;
        if(c==1){
            int l,r;
            cin>>l>>r;
            l+=lst;
            r+=lst;
            lst=query(0,l,r);
            cout <<lst<<endl;
        }else{
            int l,r;
            cin>>l>>r;
            l+=lst;
            r+=lst;
            update(0,l,r);
        }
    }
    return 0;
}

Compilation message

apple.cpp: In function 'void setIO(std::string)':
apple.cpp:33:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:34:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 17 ms 94188 KB Output is correct
2 Correct 15 ms 94300 KB Output is correct
3 Correct 15 ms 94300 KB Output is correct
4 Correct 28 ms 94376 KB Output is correct
5 Correct 30 ms 94416 KB Output is correct
6 Correct 31 ms 94300 KB Output is correct
7 Correct 31 ms 94416 KB Output is correct
8 Correct 113 ms 94476 KB Output is correct
9 Correct 233 ms 94544 KB Output is correct
10 Correct 245 ms 94748 KB Output is correct
11 Correct 245 ms 94684 KB Output is correct
12 Correct 287 ms 94668 KB Output is correct
13 Runtime error 294 ms 191416 KB Execution killed with signal 11
14 Halted 0 ms 0 KB -