제출 #494377

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
494377	2021-12-15 11:00:10	jasen_penchev	Brperm (RMI20_brperm)	C++14	100 / 100	1355 ms	13620 KiB

brperm

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#include "brperm.h"
#include <iostream>
#include <string>
#define endl '\n'
using namespace std;
const int LOG = 20;
const int MAXN = 500000;
string str = "";
int diff[MAXN + 5];
int mem[LOG + 5][(1ll << LOG) + 5];
void init(int n, const char s[])
{
    for (int i = 0; i < n; ++ i)
    {
        str += s[i];
    }
    for (int k = 0; k < 20; ++ k)
    {
        for (int i = 0; i < (1ll << k); ++ i)
        {
            int idx = 0;
            for (int j = 0; j < k; ++ j)
            {
                if ((i & (1ll << j))) idx += (1ll << (k - j - 1));
            }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

brperm.cpp: In function 'int query(int, int)':
brperm.cpp:47:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |     if (pos + (1ll << k) > str.size()) return 0;
      |         ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 37 / 37
• Subtask 3: 17 / 17
• Subtask 4: 33 / 33