제출 #553270

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
553270	2022-04-25 10:05:50	cadmiumsky	비밀 (JOI14_secret)	C++14	0 / 100	444 ms	4596 KiB

secret

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#include "secret.h"
#include <bits/stdc++.h>
using namespace std;
const int nmax = 1e3 + 5;
vector<int> v;
namespace RMQ {
  int atr[nmax];
  int rmq[12][nmax];
  void color(int l, int r, int bit = 0) {
    //cerr << l << ' ' << r << ' ' << bit << '\n';
    if(l + 1 >= r) {
      while(l <= r)
        atr[l] = bit, l++;
      return;
    }
    int mid = l + r >> 1;
    atr[mid] = atr[mid + 1] = bit;
    color(l, mid - 1, bit + 1);
    color(mid + 2, r, bit + 1);
    rmq[bit][mid] = v[mid];
    rmq[bit][mid + 1] = v[mid + 1];
    for(int i = mid - 1; i >= l; i--)
      rmq[bit][i] = Secret(v[i], rmq[bit][i + 1]);
    for(int i = mid + 2; i <= r; i++)
      rmq[bit][i] = Secret(rmq[bit][i - 1], v[i]);
    return;
  }
  namespace IRMQ {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

secret.cpp: In function 'void RMQ::color(int, int, int)':
secret.cpp:18:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   18 |     int mid = l + r >> 1;
      |               ~~^~~
secret.cpp: In function 'void RMQ::IRMQ::init(int, int*)':
secret.cpp:41:76: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   41 |           irmq[bit][i] = min(irmq[bit - 1][i], irmq[bit - 1][i + (1 << bit - 1)]);
      |                                                                        ~~~~^~~

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