제출 #391509

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
391509	2021-04-19 05:45:02	_eve	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	100 / 100	1865 ms	104860 KiB

sortbooks

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#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int N = (int)1e6 + 10;
const int mod = 1e9 + 7;
const ll inf = 1e17 + 10;
int n, q, a[N], ans[N];
struct Q{
    int l,k,id;
    Q() {};
    Q(int _l,int _k,int _id) : l(_l), k(_k), id(_id) {};
};
vector<Q> query[N];
ll t[N * 4];
void upd(int p,ll x,int u,int l,int r) {
    if(l == r) {
        t[u] = x;
        return;
    }
    int m = l + r >> 1;
    if(p <= m) upd(p,x,u << 1,l,m);
    else upd(p,x,u << 1 | 1,m + 1,r);
    t[u] = max(t[u << 1],t[u << 1 | 1]);
}
int get(int ql,int qr,int u,int l,int r) {
    if(ql > r || l > qr) return -1;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

sortbooks.cpp: In function 'void upd(int, long long int, int, int, int)':
sortbooks.cpp:24:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   24 |     int m = l + r >> 1;
      |             ~~^~~
sortbooks.cpp: In function 'int get(int, int, int, int, int)':
sortbooks.cpp:32:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   32 |     int m = l + r >> 1;
      |             ~~^~~

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 13 / 13
• Subtask 4: 17 / 17
• Subtask 5: 30 / 30
• Subtask 6: 23 / 23