Submission #795530

#TimeUsernameProblemLanguageResultExecution timeMemory
795530JosiaSorting (IOI15_sorting)C++17
0 / 100
2 ms340 KiB
#include "sorting.h" #include <bits/stdc++.h> using namespace std; int findSwapPairs(int N, int _S[], int M, int X[], int Y[], int P[], int Q[]) { if (N == 1) return 0; vector<int> S(N); for (int i = 0; i<N; i++) S[i] = _S[i]; for (int i = 0; i<N; i++) { for (int j = 0; j<N; j++) { if (S[j] == i) { swap(S[i], S[j]); P[i]=i; Q[i]=j; break; } } } return N-1; } // int findSwapPairs(int N, int _S[], int M, int X[], int Y[], int P[], int Q[]) { // if (N == 1) return 0; // vector<int> S(N); // for (int i = 0; i<N; i++) S[i] = _S[i]; // for (int i = 2; i<N; i++) { // swap(S[X[i-2]], S[Y[i-2]]); // for (int j = 0; j<N; j++) { // if (S[j] == i) { // swap(S[i], S[j]); // P[i-2]=i; // Q[i-2]=j; // break; // } // } // } // if (S[0] == 0) return N-2; // swap(S[X[N-2]], S[Y[N-2]]); // if (S[0] == 0) {P[N-2]=0;Q[N-2]=0;} // else {P[N-2]=0;Q[N-2]=1;} // return N-1; // }

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:7:40: warning: unused parameter 'M' [-Wunused-parameter]
    7 | int findSwapPairs(int N, int _S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                    ~~~~^
sorting.cpp:7:47: warning: unused parameter 'X' [-Wunused-parameter]
    7 | int findSwapPairs(int N, int _S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                           ~~~~^~~
sorting.cpp:7:56: warning: unused parameter 'Y' [-Wunused-parameter]
    7 | int findSwapPairs(int N, int _S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                                    ~~~~^~~
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