제출 #69018

#제출 시각아이디문제언어결과실행 시간메모리
69018theknife2001정렬하기 (IOI15_sorting)C++17
20 / 100
6 ms640 KiB
#include "sorting.h" #include <bits/stdc++.h> using namespace std; const int N=555; int b[N]; int n; int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) { n=N; for(int i=0;i<n;i++) b[S[i]]=i; int ans=0; for(int j=0;j<M;j++) { swap(b[S[X[j]]],b[S[Y[j]]]); swap(S[X[j]],S[Y[j]]); for(int i=n-1;i>=0;i--) { if(S[i]!=i) { P[ans]=b[i]; Q[ans]=i; swap(b[i],b[S[i]]); swap(S[i],S[b[S[i]]]); ans++; break ; } else if(i==0) { return ans; } } // for(int i=0;i<n;i++) // cout<<b[i]<<' '; // cout<<endl; // for(int i=0;i<n;i++) // cout<<S[i]<<' '; // cout<<endl; } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:9:76: warning: declaration of 'N' shadows a global declaration [-Wshadow]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[])
                                                                            ^
sorting.cpp:5:11: note: shadowed declaration is here
 const int N=555;
           ^
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