제출 #309242

#제출 시각아이디문제언어결과실행 시간메모리
309242daniel920712곤돌라 (IOI14_gondola)C++14
10 / 100
17 ms1920 KiB
#include "gondola.h" int con[100005]={0}; int all[100005]; int valid(int n, int inputSeq[]) { int what,ok=1,i; for(i=1;i<=n;i++) all[i]=1e9; for(i=0;i<n;i++) { if(inputSeq[i]>n) continue; con[inputSeq[i]]++; if(con[inputSeq[i]]>=2) ok=0; all[inputSeq[i]]=(inputSeq[i]-i+n)%n; what=(inputSeq[i]-i+n)%n; } for(i=1;i<=n;i++) if(all[i]!=1000000000&&all[i]!=what) ok=0; return ok; } //---------------------- 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:16:44: warning: 'what' may be used uninitialized in this function [-Wmaybe-uninitialized]
   16 |     for(i=1;i<=n;i++) if(all[i]!=1000000000&&all[i]!=what) ok=0;
      |                          ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
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