Submission #1154696

#	Time	Username	Problem	Language	Result	Execution time	Memory
1154696		nguyn	Xylophone (JOI18_xylophone)	C++20	Compilation error	0 ms	0 KiB

xylophone

#include <bits/stdc++.h>

#include "xylophone.h"
using namespace std;

#define ll long long
#define F first
#define S second
#define pb push_back
#define pii pair<int, int>
	
int d[5005];
int a[5005];

void solve(int n) {
	int id = 1; 
	int mx = 0; 
	for (int i = 2; i <= n; i++) {
		int t = query(1, i); 
		if (t > mx) {
			mx = t;
			id = i; 
		}
	}
	int mx = 0;
	int id2 = 0; 
	for (int i = id + 1; i <= n; i++) {
		if (!id2) {
			int t = query(id, i);
			d[i] = t; 
			if (t == n - 1) {
				id2 = i; 
			}
		}
		else {
			int t = query(id2, i); 
			d[i] = t; 
		}
	}
	if (id < id2) {
		a[id] = 1;
		a[id2] = n; 
		for (int i = id + 1; i < id2; i++) {
			a[i] = 1 + d[i]; 
		}
		for (int i = id2 + 1; i <= n; i++) {
			a[i] = n - d[i]; 
		}
		for (int i = 1; i < id; i++) {
			int t = query(1, id); 
			a[i] = 1 + a[i]; 
		}
	}
	else {
		a[id] = n; 
		for (int i = id + 1; i <= n; i++) {
			a[i] = n - d[i]; 
		}
		for (int i = id - 1; i >= 1; i--) {
			if (!id2) {
				int t = query(i, id); 
				a[i] = n - t; 
				if (t == n - 1) {
					id2 = i; 
				}
			}
			else {
				int t = query(i, id2); 
				a[i] = 1 + t; 
			}
		}
	}
	for (int i = 1; i <= n; i++) {
		answer(i, a[i]); 
	}
}

Compilation message (stderr)

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:25:13: error: redeclaration of 'int mx'
   25 |         int mx = 0;
      |             ^~
xylophone.cpp:17:13: note: 'int mx' previously declared here
   17 |         int mx = 0;
      |             ^~