제출 #127713

#제출 시각아이디문제언어결과실행 시간메모리
127713Dr_Cow곤돌라 (IOI14_gondola)C++14
0 / 100
2 ms380 KiB
#include <bits/stdc++.h> #include "gondola.h" int valid(int n, int inputSeq[]){ int ip=-1,N[100010]; bool tf[100010]; for (int i=0;i<n;i++){ if (inputSeq[i]<=n){ ip=i;break; } } if (ip==-1) return 1; else { N[ip]=inputSeq[ip]; for (int i=ip+1;i<n;i++) { N[i]=N[i-1]+1; if (N[i]>n) N[i]-=n; } for (int i=ip-1;i>=0;i--){ N[i]=N[i+1]-1; if (N[i]<=0) N[i]+=n; } } for (int i=0;i<n;i++) if (!tf[inputSeq[i]] || inputSeq[i]<=n && inputSeq[i]!=N[i]) return 0; else tf[inputSeq[i]]=true; return 1; } //---------------------- int replacement(int n, int gondolaSeq[], int replacementSeq[]) { return -2; } //---------------------- int countReplacement(int n, int inputSeq[]) { return -3; }

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:25:42: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if (!tf[inputSeq[i]] || inputSeq[i]<=n && inputSeq[i]!=N[i])  return 0;
                           ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
gondola.cpp:25:22: warning: 'tf[<unknown>]' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (!tf[inputSeq[i]] || inputSeq[i]<=n && inputSeq[i]!=N[i])  return 0;
        ~~~~~~~~~~~~~~^
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