제출 #134286

#제출 시각아이디문제언어결과실행 시간메모리
134286Runtime_error_Sorting (IOI15_sorting)C++14
20 / 100
4 ms380 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 < 2) return 0; int l =2, r =0,tr=1; for(int i=0;i<N;i++) if(S[i] != i) tr =0; if(tr) return 0; for(int i=0;i<M;i++){ swap( S[ X[i] ],S[ Y[i] ] ); while(S[l] == l && l<N) l++; if( l == N){ if(S[0] == 0 && S[1] == 1){ P[i] =0,Q[i] = 0; return i+1; } P[i]=0,Q[i] = 1; i++; return i; } int j; for(j=0;j<N;j++) if(S[j] == l) break; P[i] = l , Q[i] = j; swap(S[l],S[j]); while(S[l] == l && l<N) l++; if( l == N){ i++; if(S[0] == 0 && S[1] == 1) return i; P[i]=0,Q[i] = 1; i++; return i; } } }

컴파일 시 표준 에러 (stderr) 메시지

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:8:19: warning: unused variable 'r' [-Wunused-variable]
         int l =2, r =0,tr=1;
                   ^
sorting.cpp:49:5: warning: control reaches end of non-void function [-Wreturn-type]
     }
     ^
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