제출 #747852

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
747852	2023-05-24 22:19:45	stevancv	Passport (JOI23_passport)	C++14	100 / 100	1301 ms	96344 KiB

passport

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#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 2e5 + 2;
const int inf = 1e9;
int n, l[N], r[N];
int dl[5 * N], dr[5 * N], dist[5 * N], gde[N];
void Init(int node, int l, int r) {
    if (l == r) {gde[l] = node; return;}
    int mid = l + r >> 1;
    Init(2 * node, l, mid);
    Init(2 * node + 1, mid + 1, r);
}
vector<int> g[5 * N];
void Add(int node, int l, int r, int ql, int qr, int i) {
    if (r < ql || qr < l) return;
    if (ql <= l && r <= qr) {
        g[i].push_back(n + node);
        g[n + node].push_back(i);
        return;
    }
    int mid = l + r >> 1;
    Add(2 * node, l, mid, ql, qr, i);
    Add(2 * node + 1, mid + 1, r, ql, qr, i);
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

passport.cpp: In function 'void Init(int, int, int)':
passport.cpp:15:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   15 |     int mid = l + r >> 1;
      |               ~~^~~
passport.cpp: In function 'void Add(int, int, int, int, int, int)':
passport.cpp:27:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   27 |     int mid = l + r >> 1;
      |               ~~^~~

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• Subtask 2: 16 / 16
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