Submission #858471

# Submission time Handle Problem Language Result Execution time Memory
858471 2023-10-08T14:09:17 Z Requiem Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
258 ms 186524 KB
#include<bits/stdc++.h>
#define pb push_back
#define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
#define MOD 1000000007
#define INF 1e18
#define fi first
#define se second
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define FORD(i,a,b) for(int i=a;i>=b;i--)
#define sz(a) ((int)(a).size())
#define endl '\n'
#define pi 3.14159265359
#define TASKNAME "apple"
template<typename T> bool maximize(T &res, const T &val) { if (res < val){ res = val; return true; }; return false; }
template<typename T> bool minimize(T &res, const T &val) { if (res > val){ res = val; return true; }; return false; }
using namespace std;
typedef pair<int,int> ii;
typedef pair<int,ii> iii;
typedef vector<int> vi;
const int MAXN = 123456;
struct SparseSegmentTree{
    int sum,lazy,l,r,toleft,toright;
    SparseSegmentTree(): sum(0), lazy(-1), l(0), r(0), toleft(0), toright(0){}
    SparseSegmentTree(int l,int r): sum(0), lazy(-1), l(l), r(r), toleft(0), toright(0){}
};
int cnt = 0;
SparseSegmentTree st[MAXN*64];
void push(int node){
     if (st[node].lazy){
            int mid = (st[node].l + st[node].r) / 2;
            if (st[node].toleft == 0) {
                st[node].toleft=++cnt;
                st[cnt] = SparseSegmentTree(st[node].l,mid);
            }
            if (st[node].toright == 0) {
                st[node].toright=++cnt;
                st[cnt] = SparseSegmentTree(mid+1,st[node].r);
            }
            if (st[node].lazy==1){
                st[node].sum = st[node].r - st[node].l +1;
                st[st[node].toleft].lazy = st[st[node].toright].lazy = 1;;
                st[node].lazy = -1;
            }

     }
}
void upd(int node,int u,int v){
    push(node);
    if (st[node].l > v or st[node].r < u) return;
    if (st[node].l >= u and st[node].r <=v) {
        st[node].lazy = 1;
        push(node);
        return;
    }
    int mid = (st[node].l + st[node].r) / 2;
    if (st[node].toleft == 0) {
        st[node].toleft=++cnt;
        st[cnt] = SparseSegmentTree(st[node].l,mid);
    }
    if (st[node].toright == 0) {
        st[node].toright=++cnt;
        st[cnt] = SparseSegmentTree(mid+1,st[node].r);
    }
    upd(st[node].toleft,u,v);
    upd(st[node].toright,u,v);
    st[node].sum = st[st[node].toleft].sum + st[st[node].toright].sum;
}
int get(int node,int u,int v){
    push(node);
    if (st[node].l > v or st[node].r < u) return 0;
    if (st[node].l >= u and st[node].r <=v) return st[node].sum;
    int mid = (st[node].l + st[node].r) / 2;
    if (st[node].toleft == 0) {
        st[node].toleft=++cnt;
        st[cnt] = SparseSegmentTree(st[node].l,mid);
    }
    if (st[node].toright == 0) {
        st[node].toright=++cnt;
        st[cnt] = SparseSegmentTree(mid+1,st[node].r);
    }
    return get(st[node].toleft,u,v) + get(st[node].toright,u,v);
}
int n;
main()
{
    fast;
//    freopen(TASKNAME".inp","r",stdin);
//    freopen(TASKNAME".out","w",stdout);
    int n;
    cin>>n;
    int c = 0;
    cnt = 1;
    st[1] = SparseSegmentTree(1,1e9);
    for(int i=1;i<=n;i++){
        int type,x,y;
        cin>>type>>x>>y;
        if (type==1) {
            c = get(1,x+c,y+c);
            cout<<c<<endl;
        }
        else{
            upd(1,x+c,y+c);
        }
    }

}

Compilation message

apple.cpp:84:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   84 | main()
      | ^~~~
# Verdict Execution time Memory Grader output
1 Correct 34 ms 185940 KB Output is correct
2 Correct 34 ms 186016 KB Output is correct
3 Correct 33 ms 185980 KB Output is correct
4 Correct 43 ms 185964 KB Output is correct
5 Correct 47 ms 186008 KB Output is correct
6 Correct 51 ms 186096 KB Output is correct
7 Correct 46 ms 185940 KB Output is correct
8 Correct 112 ms 186136 KB Output is correct
9 Correct 216 ms 186188 KB Output is correct
10 Correct 225 ms 186268 KB Output is correct
11 Correct 224 ms 186312 KB Output is correct
12 Correct 222 ms 186424 KB Output is correct
13 Correct 202 ms 186236 KB Output is correct
14 Correct 194 ms 186244 KB Output is correct
15 Incorrect 258 ms 186524 KB Output isn't correct
16 Halted 0 ms 0 KB -