제출 #1218581

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1218581		hoa208	원숭이와 사과 나무 (IZhO12_apple)	C++20	100 / 100	219 ms	137328 KiB

apple

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pa pair<ll, ll>
#define fi first
#define se second
#define bit(mask, j) ((mask >> j) & 1)
#define t_test int t;cin >> t;while(t--)
const   ll mod = 1e9 + 7;
const   ll INF = 1e18;
inline  void adm(ll &x){if(x>=mod)x%=mod;else if(x<0)x+=mod;}
//--------------------------------------------------------------------
struct Node {
    ll l = -1;
    ll r = -1;
    ll cur = 0;
    ll lazy = 0;
};
vector<Node> tree;
ll ID = 0;
void down(ll id, ll l, ll r) {
    if(tree[id].l == -1) {
        ID++;
        tree[id].l = ID;
        tree.push_back(Node());
    }
    if(tree[id].r == -1) {
        ID++;
        tree[id].r = ID;
        tree.push_back(Node());
    }
    ll mid = l + r >> 1;
    if(tree[id].lazy == 0) return;
    tree[tree[id].l].cur = tree[id].lazy * (mid - l + 1);
    tree[tree[id].r].cur = tree[id].lazy * (r - mid);
    tree[tree[id].l].lazy = tree[id].lazy;
    tree[tree[id].r].lazy = tree[id].lazy;
    tree[id].lazy = 0;
}
void update(ll u, ll v,ll id, ll l, ll r) {
    if(u > r || v < l) return;
    if(u <= l && v >= r) {
        tree[id].cur = (r - l + 1);
        tree[id].lazy = 1;
        return;
    }
    down(id, l, r);
    ll mid = l + r >> 1;
    ll idl = tree[id].l, idr = tree[id].r;
    update(u, v, idl, l, mid);
    update(u, v, idr, mid + 1, r);
    tree[id].cur = tree[idl].cur + tree[idr].cur;
}
ll get(ll u, ll v, ll id, ll l, ll r) {
    if(u > r || v < l) return 0;
    if(u <= l && v >= r) return tree[id].cur;
    down(id, l, r);
    ll mid = l + r >> 1;
    ll idl = tree[id].l, idr = tree[id].r;
    return get(u, v, idl, l, mid) + get(u, v, idr, mid + 1, r);
}
void hbmt() {
    ll m;
    cin >> m;
    tree.reserve(m * 60);
    tree.push_back(Node());
    ll C = 0;
    for(int i = 1; i <= m; i++) {
        ll d, x, y;
        cin >> d >> x >> y;
        if(d == 1) {
            C = get(x + C, y + C, 0, 1, 1e9);
            cout << C << '\n';
        }
        else {
            update(x + C, y + C, 0, 1, 1e9);
        }
    }
}

int main() {
    
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    
    if(fopen("hbmt.inp", "r")) {
        freopen("hbmt.inp", "r", stdin);
        freopen("hbmt.out", "w", stdout);
    }
    
    // t_test 
    hbmt();
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp: In function 'int main()':
apple.cpp:87:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |         freopen("hbmt.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:88:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   88 |         freopen("hbmt.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100