제출 #672937

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
672937		Alihan_8	Monkey and Apple-trees (IZhO12_apple)	C++17	0 / 100	45 ms	33256 KiB

apple

#include <bits/stdc++.h>
// include <ext/pb_ds/assoc_container.hpp>
// include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
#define all(x) x.begin(), x.end()
#define pb push_back
// define ordered_set tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update>
#define mpr make_pair
#define ln '\n'
void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define int long long
const int N = 1e6+1;
int T[N*4], lazy[N*4];
void push(int v, int l, int r){
    if ( !lazy[v] ) return;
    if ( l != r ){
        lazy[v*2] = lazy[v];
        lazy[v*2+1] = lazy[v];
    }
    T[v] = (r-l+1);
    lazy[v] = 0;
}
void upd(int v, int l, int r, int tl, int tr){
    push(v, l, r);
    if ( l > tr or r < tl ) return;
    if ( tl <= l and tr >= r ){
        lazy[v]++;
        push(v, l, r);
        return;
    }
    int md = (l+r)>>1;
    upd(v*2, l, md, tl, tr), upd(v*2+1, md+1, r, tl, tr);
    T[v] = T[v*2]+T[v*2+1];
}
int get(int v, int l, int r, int tl, int tr){
    push(v, l, r);
    if ( l > tr or tl > r ) return 0;
    if ( tl <= l and tr >= r ) return T[v];
    int md = (l+r)>>1;
    return get(v*2, l, md, tl, tr)+get(v*2+1, md+1, r, tl, tr);
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int q; cin >> q;
    int C = 0;
    while ( q-- ){
        int t, x, y; cin >> t >> x >> y;
        x += C, y += C;
        if ( t == 1 ){
            int res = get(1, 1, N-1, x, y);
            cout << res << ln;
            C = res;
        }
        else upd(1, 1, N-1, x, y);
    }

    cout << '\n';
}

컴파일 시 표준 에러 (stderr) 메시지

apple.cpp: In function 'void IO(std::string)':
apple.cpp:11:29: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
apple.cpp:11:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 | void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                               ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100