제출 #696363

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
696363	2023-02-06 10:29:33	Cross_Ratio	Swap Swap Sort (CCO21_day1problem1)	C++14	25 / 25	3774 ms	55180 KiB

Main

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#include <bits/stdc++.h>
#define int long long
using namespace std;
int A[100005];
int B[100005];
int C[100005];
vector<int> D[100005];
struct SegTree {
    vector<int> seg;
    int MAX;
    SegTree(int N) {
        int i;
        for(i=1;i<2*N;i*=2) {}
        seg.resize(i);
        MAX = i;
    }
    void Edit(int n, int a) {
        n += MAX/2;
        seg[n] += a;
        n /= 2;
        while(n) {
            seg[n] = seg[2*n] + seg[2*n+1];
            n /= 2;
        }
    }
    int sum(int s, int e, int n, int ns, int ne) {
        if(e<=ns||ne<=s) return 0;
        if(s<=ns&&ne<=e) return seg[n];
        int mid = ns + ne >> 1;
        return sum(s, e, 2*n, ns, mid) + sum(s, e, 2*n+1, mid, ne);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In member function 'long long int SegTree::sum(long long int, long long int, long long int, long long int, long long int)':
Main.cpp:29:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |         int mid = ns + ne >> 1;
      |                   ~~~^~~~

• Subtask 1: 3 / 3
• Subtask 2: 3 / 3
• Subtask 3: 5 / 5
• Subtask 4: 14 / 14