Submission #565588

#	Time	Username	Problem	Language	Result	Execution time	Memory
565588		birthdaycake	Xylophone (JOI18_xylophone)	C++17	Compilation error	0 ms	0 KiB

xylophone

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


int A[5001][5001];
int ans[5001];


void solve(int N) {
    
    for(int i = 1; i <= N; i++) ans[i] = 0;
    
    
    
    for(int i = 1; i <= N; i++){
        for(int j = i + 1; j <= N; j++){
            int value = query(i,j);
            A[i][j] = value;
            A[j][i] = value;
        }
    }
    
    int j = 0;
    for(int i = 1; i <= N; i++){
        set<int>x;
        for(int j = 1; j <= N; j++){
            x.insert(A[i][j]);
        }
        if(x.size() == n){
            ans[i] = N;
            j = i;
            break;
        }
    }
    
    
    for(int i = 1; i <= N; i++){
        if(i != j) {
            ans[i] = abs(N - ans[i][j]);
        }
        
    }
	for(int i = 1; i <= N; i++) {
		answer(i, ans[i]);
	}

    
    
}

Compilation message (stderr)

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:30:24: error: 'n' was not declared in this scope
   30 |         if(x.size() == n){
      |                        ^
xylophone.cpp:40:36: error: invalid types 'int[int]' for array subscript
   40 |             ans[i] = abs(N - ans[i][j]);
      |                                    ^