Submission #210291

#	Time	Username	Problem	Language	Result	Execution time	Memory
210291		casperwang	Xylophone (JOI18_xylophone)	C++14	Compilation error	0 ms	0 KiB

xylophone

#include <bits/stdc++.h>
#include "xylophone.h"
using namespace std;

const int MAXN = 5000;
int m;
int a[MAXN+1];
int d[MAXN+1];
bool p[MAXN+1];

void solve(int n) {
  for (int i = 2; i <= n; i++)
    d[i] = query(i-1, i);
  for (int i = 3; i <= n; i++) {
    if (d[i-1] + d[i] == query(i-2, i)) {
      p[i] = p[i-1];
    } else p[i] = !p[i-1];
  }
  for (int i = 2; i <= n; i++) {
    if (p[i]) a[i] = a[i-1] + d[i];
    else a[i] = a[i-1] - d[i];
    m = min(m, a[i]);
  }
  for (int i = 1; i <= n; i++)
    a[i] = a[i] - m + 1;
  bool tf = 0, t = 0;
  for (int i = 1; i <= n; i++) {
    if (a[i] == 1) t = 1;
    if (a[i] == n && !t) tf = 1;
  }
  if (tf)
    for (int i = 1; i <= n; i++)
      a[i] = n - a[i] + 1;
  for (int i = 1; i <= n; i++)
    answer(i, a[i]);
}

signed main() {
  ios_base::sync_with_stdio(0), cin.tie(0);
  return 0;
}

Compilation message (stderr)

/tmp/cc0xz5Wz.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccp8GPiu.o:xylophone.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status