제출 #1319381

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1319381		oruc	원숭이와 사과 나무 (IZhO12_apple)	C++20	0 / 100	437 ms	251004 KiB

apple

#pragma GCC optimize("O3")
//#pragma GCC target("avx2")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;

#define int long long
#define fi first
#define se second
#define pb push_back
#define endl '\n'

mt19937 rng(chrono::steady_clock().now().time_since_epoch().count());


template<typename T>void show(vector<T> &v){
    for(auto &i: v){
        cout << i << ' ';
    }
    cout << endl;
}

const int N = 8e6+6, INF = 1e18, LOG = 18, MOD = 1e9+7;

int nxt = 1;
vector<int> L(N),R(N),st(N),lz(N);

void push(int l, int r, int in){
    if(lz[in] == 0) return;
    if(l != r){
        if(!L[in]) L[in] = ++nxt;
        if(!R[in]) R[in] = ++nxt;
        lz[L[in]] = 1;
        lz[R[in]] = 1;
    }
    st[in] = (r-l+1);
    lz[in] = 0;
}

void update(int l, int r, int in, int ql, int qr){
    push(l, r, in);
    if(l > qr || r < ql) return;
    if(ql <= l && r <= qr){
        lz[in] = 1;
        push(l, r, in);
        return;
    }
    int mid = (l+r)/2; 
    
    if(!L[in]) L[in] = ++nxt;
    update(l, mid, L[in], ql, qr);

    if(!R[in]) R[in] = ++nxt;
    update(mid+1, r, R[in], ql, qr);
    
    st[in] = st[L[in]] + st[R[in]];
}

int get(int l, int r, int in, int ql, int qr){
    push(l,r,in);
    if(ql <= l && r <= qr){
        return st[in];
    }
    int mid = (l+r)/2;
    int q1=0,q2=0;
    if(ql <= mid){
        if(L[in]) q1 = get(l, mid, L[in], ql, qr);
    }
    if(qr >= mid+1){
        if(R[in]) q2 = get(mid+1, r, R[in], ql, qr);
    }
    return q1+q2;
}

void solve(){
    int m;
    cin >> m;
    int C = 0;
    while(m--){
        int d,x,y;
        cin >> d >> x >> y;
        if(d == 1){
            int res = get(1, 1e9, 1, x+C, y+C);
            cout << res << endl;
            C = res;
        }
        else{
            update(1, 1e9, 1, x+C, y+C);
        }
    }
}


signed main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    freopen("f.in","r",stdin); 
    freopen("f.out","w",stdout);
    int t = 1;
    //cin >> t;

    for(int i = 1; i <= t; i++){
        //cout << "Scenario #" << i << ": " << endl;
        solve();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp: In function 'int main()':
apple.cpp:99:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   99 |     freopen("f.in","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~
apple.cpp:100:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  100 |     freopen("f.out","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100