제출 #242686

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
242686	2020-06-29 01:54:18	luciocf	Swap (BOI16_swap)	C++14	48 / 100	402 ms	262148 KiB

swap

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
const int maxn = 2e5+10;
const int maxl = 36;
int a[maxn];
int pai[maxn];
int l[maxn], r[maxn];
vector<int> dp[maxn][maxl];
unordered_map<int, int> anc[maxn];
void get_anc(int u)
{
  int ind = 0, v = u;
  while (v)
  {
    anc[u][a[v]] = ++ind;
    if (l[pai[v]] != v && l[pai[v]]) anc[u][a[l[pai[v]]]] = ++ind;
    v = pai[v];
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

swap.cpp: In function 'void get(std::vector<int>&, int, int, int, int, int, int)':
swap.cpp:41:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int p = 0; ptr + (1<<p)-1 < dp[f2][ind2].size(); p++)
                  ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
swap.cpp:52:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = ptr; i < dp[f1][ind1].size(); i++)
                    ~~^~~~~~~~~~~~~~~~~~~~~
swap.cpp:55:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = ptr; i < dp[f2][ind2].size(); i++)
                    ~~^~~~~~~~~~~~~~~~~~~~~
swap.cpp: In function 'int main()':
swap.cpp:62:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
swap.cpp:65:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 27 / 27
• Subtask 4: 0 / 20
• Subtask 5: 0 / 32