제출 #1202481

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1202481		Richard_Dyinman	Monkey and Apple-trees (IZhO12_apple)	C++20	0 / 100	1 ms	320 KiB

apple

#include <bits/stdc++.h>
using namespace std;
#define ll long long
//#define ld long double
#define all(x) x.begin(), x.end()
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template <class T>
using ordered_set =
        tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

#define file \
  freopen("haybales.in", "r", stdin);\
  freopen("haybales.out", "w", stdout)

#define OJudge(in,out) \
      freopen(in, "r", stdin);\
      freopen(out, "w", stdout)


#define FIn   \
  cin.tie(0); \
  cout.tie(0); \
  ios_base::sync_with_stdio(false)

const string IN = "input.txt";
const string OUT = "output.txt";
int  tc;
ll n, m, a, b, c,d, k;

struct no{
    int sum = 0, lazy = 0;
    no* left = nullptr;
    no* right = nullptr;
};

class dyn_segtree{
    no* root = new no;
    int size;
public:
    dyn_segtree(int n){
        size = n;
    }
    void push(int l, int r, no* node){
        int mid = (l + r)/2;
        if(r - l){
            if (!node->left) {
                no *l1 = new no;
                node->left = l1;
            }
            if (!node->right) {
                no *r1 = new no;
                node->right = r1;
            }
            node->left->lazy |= node->lazy;
            node->right->lazy |= node->lazy;
        }
        if(node->lazy)
            node->sum = (r - l + 1)*node->lazy;
        node->lazy = 0;
    }

    void set(int l1, int r1, int l, int r, no* node){
        push(l , r, node);
        if(r < l1 || l > r1)
            return;
        if(l >= l1 && r <= r1){
            node->lazy = 1;
            push(l , r, node);
            return;
        }
        int mid = (l + r)/2;
        set(l1 , r1, l , mid, node->left);
        set(l1 , r1, mid + 1, r, node->right);
        node->sum =  node->left->sum + node->right->sum;
    }

    void set(int l, int r){
        set(l , r, 1 , size , root);
    }

    ll get(int l1, int r1, int l, int r, no* node){
        push(l , r, node);
        if(!node->sum || r < l1 || l > r1)
            return 0;
        if(l >= l1 && r <= r1)
            return node->sum;
        int mid = (l + r)/2;
        auto s1 = get(l1, r1, l, mid, node->left);
        auto s2 = get(l1, r1, mid + 1, r, node->right);
        return s1 + s2;
    }

    ll get(int l, int r){
        return get(l , r, 1 , size , root);
    }
};



void solve(){
    cin>>n;
    dyn_segtree sg(1000000000);
    c = 0;
    for(int i = 0; i < n; i++){
        cin>>a;
        if(a == 1){
            cin>>a>>b;
            c = sg.get(a + c, b + c);
            cout<<c<<"\n";
        }else{
            cin>>a>>b;
            sg.set(a + c, b + c);
        }
    }
}




int main() {
    FIn;
//    file;
#ifndef ONLINE_JUDGE
    OJudge(IN.c_str(),OUT.c_str());
#endif
    bool test = 0;
    if (test)
        cin>>tc;
    else tc = 1;
    for (int i = 1; i<=tc; i++){
        solve();
    }
}

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp: In function 'int main()':
apple.cpp:18:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |       freopen(in, "r", stdin);\
      |       ~~~~~~~^~~~~~~~~~~~~~~~
apple.cpp:126:5: note: in expansion of macro 'OJudge'
  126 |     OJudge(IN.c_str(),OUT.c_str());
      |     ^~~~~~
apple.cpp:19:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |       freopen(out, "w", stdout)
      |       ~~~~~~~^~~~~~~~~~~~~~~~~~
apple.cpp:126:5: note: in expansion of macro 'OJudge'
  126 |     OJudge(IN.c_str(),OUT.c_str());
      |     ^~~~~~

• Subtask 1: 0 / 100