제출 #600210

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
600210	2022-07-20 14:25:33	Bench0310	Teams (IOI15_teams)	C++17	0 / 100	1207 ms	128580 KiB

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#include <bits/stdc++.h>
#include "teams.h"
using namespace std;
typedef long long ll;
const int N=500000;
int n;
vector<int> tree[4*N];
void update(int idx,int l,int r,int pos,int x)
{
    tree[idx].push_back(x);
    if(l<r)
    {
        int m=(l+r)/2;
        if(pos<=m) update(2*idx,l,m,pos,x);
        else update(2*idx+1,m+1,r,pos,x);
    }
}
int query(int idx,int l,int r,int ql,int qr,int lim)
{
    if(ql>qr) return 0;
    if(l==ql&&r==qr) return (upper_bound(tree[idx].begin(),tree[idx].end(),lim)-tree[idx].begin());
    int m=(l+r)/2;
    return query(2*idx,l,m,ql,min(qr,m),lim)+query(2*idx+1,m+1,r,max(ql,m+1),qr,lim);
}
void init(int tn,int A[],int B[])
 
 
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컴파일 시 표준 에러 (stderr) 메시지

teams.cpp: In function 'int query(int, int, int, int, int, int)':
teams.cpp:25:80: warning: conversion from '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'} to 'int' may change value [-Wconversion]
   25 |     if(l==ql&&r==qr) return (upper_bound(tree[idx].begin(),tree[idx].end(),lim)-tree[idx].begin());
      |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~

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