제출 #102128

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
102128	2019-03-22 16:59:17	SpeedOfMagic	Xylophone (JOI18_xylophone)	C++17	100 / 100	100 ms	504 KiB

xylophone

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#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
static int A[5000];
char has[5000];
void ans(int ind, int val) {
  has[val] = 1;
  A[ind] = val;
  answer(ind + 1, val);
}
int n;
void sset(int i, int pr, int ppr) {
  int p = query(min(i, pr) + 1, max(i, pr) + 1);
  if (A[pr] - p > 0 && A[pr] + p <= n) {
    int d = query(min(i, ppr) + 1, max(i, ppr) + 1);
    if (max(max(A[pr] + p, A[pr]), A[ppr]) - min(min(A[pr] + p, A[pr]), A[ppr]) == d)
      A[i] = A[pr] + p;
    else
      A[i] = A[pr] - p;
  } else {
    if (A[pr] - p <= 0)
      A[i] = A[pr] + p;
    else
      A[i] = A[pr] - p;
  }
  ans(i, A[i]);
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:94:7: warning: argument 1 range [18446744065119617024, 18446744073709551608] exceeds maximum object size 9223372036854775807 [-Walloc-size-larger-than=]
   int vals[N];
       ^~~~
xylophone.cpp:94:7: note: in a call to built-in allocation function 'void* __builtin_alloca_with_align(long unsigned int, long unsigned int)'

• Subtask 1: 11 / 11
• Subtask 2: 36 / 36
• Subtask 3: 53 / 53