제출 #105053

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
105053	2019-04-10 10:20:44	Alexa2001	정렬하기 (IOI15_sorting)	C++17	100 / 100	722 ms	29380 KiB

sorting

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#include "sorting.h"
#include <bits/stdc++.h>
using namespace std;
const int Nmax = 2e5 + 5;
bool used[Nmax];
int p[Nmax], P[Nmax], A[Nmax], wA[Nmax], B[Nmax], wB[Nmax], wp[Nmax];
vector< pair<int,int> > get_moves(int n, int p[])
{
    int i;
    for(i=0; i<n; ++i) used[i] = 0;
    vector< pair<int,int> > mv;
    for(i=0; i<n; ++i)
        if(!used[i])
        {
            int x = i;
            vector<int> cycle;
            do
            {
                used[x] = 1;
                cycle.push_back(x);
                x = p[x];
            }
            while(!used[x]);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'std::vector<std::pair<int, int> > get_moves(int, int*)':
sorting.cpp:12:49: warning: declaration of 'p' shadows a global declaration [-Wshadow]
 vector< pair<int,int> > get_moves(int n, int p[])
                                                 ^
sorting.cpp:9:5: note: shadowed declaration is here
 int p[Nmax], P[Nmax], A[Nmax], wA[Nmax], B[Nmax], wB[Nmax], wp[Nmax];
     ^
sorting.cpp:32:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j = 0; j + 1 < cycle.size(); ++j)
                            ~~~~~~^~~~~~~~~~~~~~
sorting.cpp: In function 'bool check(int, int, int*, int*, int*, int*, int*)':
sorting.cpp:54:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(o.size() > m) return 0;
        ~~~~~~~~~^~~
sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:81:76: warning: declaration of 'P' shadows a global declaration [-Wshadow]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[])
                                                                            ^
sorting.cpp:9:14: note: shadowed declaration is here
 int p[Nmax], P[Nmax], A[Nmax], wA[Nmax], B[Nmax], wB[Nmax], wp[Nmax];
              ^

• Subtask 1: 8 / 8
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 18 / 18
• Subtask 5: 20 / 20
• Subtask 6: 26 / 26