제출 #935836

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
935836	2024-02-29 16:00:35	trandangquang	운세 보기 2 (JOI14_fortune_telling2)	C++14	100 / 100	790 ms	163972 KiB

fortune_telling2

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#pragma GCC optimize("O2")
#include<bits/stdc++.h>
#define fi first
#define se second
#define fo(i,a,b) for(int i=a;i<=b;++i)
#define fod(i,a,b) for(int i=a;i>=b;--i)
#define ii pair<int,int>
#define task "new"
#define ll long long
using namespace std;
const int mod=1e9+7;
const int N=2e5+5;
int n,k,a[N],b[N],t[N];
vector<int>arr,post[N*3],st[(N*3)<<2];
void build(int id,int l,int r)
{
    if(l == r)
    {
        if(post[l].empty())
        {
            st[id].push_back(-1);
            return ;
        }
        for(auto u : post[l])
            st[id].push_back(u);
        return ;
    }
    int mid = l + r >> 1;
    build(id<<1,l,mid);
    build(id<<1|1,mid+1,r);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

fortune_telling2.cpp: In function 'void build(int, int, int)':
fortune_telling2.cpp:28:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   28 |     int mid = l + r >> 1;
      |               ~~^~~
fortune_telling2.cpp: In function 'int getmax(int, int, int, int, int)':
fortune_telling2.cpp:43:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   43 |     int mid = l + r >> 1;
      |               ~~^~~
fortune_telling2.cpp: In function 'int getnum(int, int, int, int, int, int)':
fortune_telling2.cpp:55:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |     int mid = l + r >> 1;
      |               ~~^~~
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:62:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:63:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 31 / 31
• Subtask 3: 65 / 65