답안 #1001034

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1001034 2024-06-18T13:14:43 Z LilPluton 원숭이와 사과 나무 (IZhO12_apple) C++14
100 / 100
393 ms 262144 KB
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization("unroll-loops")
/// author: LilPluton auuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
#define OPT         ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define int         ll
#define ll          long long
#define pb          push_back
#define arr         array
#define vll         vector<int>
#define segment_tree int l=n*2,r=l+1,mid=(b+e)/2
#define fi          first
#define se          second
#define rep(i,j,k)  for(int i = j; i <= k; ++i)
#define all(a)      a.begin(),a.end()
#define pii         pair<int,int>
#define endll       '\n'
using namespace std;

const int sz = (6e6 + 100);
const int N = 1e9;
int t[sz * 4], L[sz * 4], R[sz * 4], nxt = 1, lz[sz * 4];

void init(int node,int l,int r)
{
    if(lz[node])
    {
        t[node] = r - l + 1;
        if(l != r){
            if(!L[node]) L[node] = ++nxt;
            if(!R[node]) R[node] = ++nxt;
            lz[L[node]] = 1; 
            lz[R[node]] = 1;
        }
        lz[node] = 0;
    }
}

void upd(int node,int l,int r,int ql,int qr)
{
    init(node,l,r);
    if(ql > r || qr < l)
        return;
    if(ql <= l && r <= qr)
    {
        t[node] = r - l + 1;
        if(l != r){
            if(!L[node]) L[node] = ++nxt;
            if(!R[node]) R[node] = ++nxt;
            lz[L[node]] = 1; 
            lz[R[node]] = 1;
        }
        return;
    }
    ll mid = (l + r) >> 1;
    if(!L[node]) L[node]= ++nxt;
    upd(L[node], l, mid, ql, qr);
    if(!R[node]) R[node] = ++nxt;
    upd(R[node], mid + 1, r, ql, qr);
    t[node] = t[L[node]]+t[R[node]];
}

int getans(int node, int l,int r,int ql,int qr)
{
    init(node,l,r);
    if(ql > r || qr < l)    return 0;
    if(ql <= l && r <= qr)  return t[node];
    int mid = (l + r) >> 1;
    int q1, q2;
    if(L[node])
        q1 = getans(L[node],l,mid,ql,qr);
    else
        q1 = 0;
    if(R[node])
        q2 = getans(R[node], mid + 1, r, ql,qr);
    else
        q2 = 0;
    return q1 + q2;
}

signed main() {
    OPT
    int m;
    cin >> m;
    int c = 0;
    while(m--)
    {
        int t,a,b;
        cin >> t >> a >> b;
        a += c;
        b += c;
        if(t == 2)
            upd(1,1,N,a,b);
        else
        {
            int ans = getans(1,1,N,a,b);
            cout << ans << endl;
            c = ans;
        }

    }
}

Compilation message

apple.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    4 | #pragma GCC optimization("unroll-loops")
      |
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 14 ms 9572 KB Output is correct
5 Correct 17 ms 10332 KB Output is correct
6 Correct 15 ms 10076 KB Output is correct
7 Correct 17 ms 10088 KB Output is correct
8 Correct 110 ms 53680 KB Output is correct
9 Correct 247 ms 90448 KB Output is correct
10 Correct 254 ms 101200 KB Output is correct
11 Correct 249 ms 109380 KB Output is correct
12 Correct 266 ms 113232 KB Output is correct
13 Correct 229 ms 140376 KB Output is correct
14 Correct 230 ms 141648 KB Output is correct
15 Correct 393 ms 255828 KB Output is correct
16 Correct 330 ms 257620 KB Output is correct
17 Correct 233 ms 146512 KB Output is correct
18 Correct 226 ms 146636 KB Output is correct
19 Correct 377 ms 262144 KB Output is correct
20 Correct 340 ms 262144 KB Output is correct