제출 #65659

#제출 시각아이디문제언어결과실행 시간메모리
65659mirbek01정렬하기 (IOI15_sorting)C++17
0 / 100
6 ms384 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[]) { int sz = 0; for(int i = N - 1; i > 0; i --){ swap(S[X[sz]], S[Y[sz]]); int pos; for(int j = 0; j < N; j ++){ if(S[j] == i){ pos = j; break; } } P[sz] = pos, Q[sz] = i; swap(S[pos], S[i]); sz ++; bool fl = 1; for(int j = 0; j < N; j ++){ if(j != S[j]) fl = 0; } if(fl) break; } return sz; }

컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:7:39: warning: unused parameter 'M' [-Wunused-parameter]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
                                       ^
sorting.cpp:19:19: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
             P[sz] = pos, Q[sz] = i;
             ~~~~~~^~~~~
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