Submission #860881

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
860881	2023-10-14T17:39:29 Z	EntityPlantt	Xylophone (JOI18_xylophone)	C++14	Compilation error	0 ms	0 KB

xylophone

#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;
int a[500];
void solve(int n) {
    int x, i, u, v, mn;
	a[2] = query(1, 2);
	for (i = 2; i < n; i++) {
		x = query(i, i + 1), y = query(i - 1, i + 1);
		a[i + 1] = a[i] + x * (a[i] - a[i - 1] < 0 ? 1 : -1) * (y == x + abs(a[i] - a[i - 1]) ? -1 : 1);
	}
	mn = *min_element(a + 1, a + n + 1);
	for (i = 1; i <= n; i++) {
		a[i] -= mn;
		if (!a[i]) u = i;
		if (a[i] == n - 1) v = i;
	}
	bool flag = u < v;
	for (int i = 1; i <= n; i++) answer(i, flag ? a[i] + 1 : n - a[i]);
}

Compilation message

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:9:24: error: 'y' was not declared in this scope
    9 |   x = query(i, i + 1), y = query(i - 1, i + 1);
      |                        ^