제출 #502324

#	제출 시각^UTC-0	아이디	문제	언어	결과	실행 시간	메모리
502324	2022-01-05 18:49:14	vrohak	Xylophone (JOI18_xylophone)	C++14	0 / 100	0 ms	200 KiB

이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.

xylophone

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#include "xylophone.h"
 
void solve(int n) {
   // ako je x pozitivan //ako je x pozitivan //ako je x pozitivan //ako je x
   // pozitivan //ako je x pozitivan //ako je x pozitivan //ako je x pozitivan
   // //ako je x pozitivan
 
   int rj1[n+1], rj2[n+1];
   int d[n+1], t[n+1], odg1, odg2, odg3;
  bool sss=true;
  
  for(int i=1;i<=n;i++){
    d[i] = query(i, i+1);
    if(i!=1) t[i] = query(i-1, i+1);
  }
 
   odg2=d[0];
 
   rj1[1] = 0; rj1[2] = odg2;
  
   for (int i = 3; i <= n; i++) {
      odg1 = d[i-2];
      odg2 = d[i-1];
    odg3 = t[i-1];
      if(odg1+odg2 != odg3){
        sss = !sss;
      }
      rj1[i] = rj1[i-1] + odg2 * (sss * 2 - 1);
   }
 
 
 
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컴파일 시 표준 에러 (stderr) 메시지

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:48:4: warning: 'idx1' may be used uninitialized in this function [-Wmaybe-uninitialized]
   48 |    if (idx1 < idxn) {
      |    ^~
xylophone.cpp:48:4: warning: 'idxn' may be used uninitialized in this function [-Wmaybe-uninitialized]

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