Submission #1008882

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1008882	2024-06-27T03:59:47 Z	vjudge1	Xylophone (JOI18_xylophone)	C++17	Compilation error	0 ms	0 KB

xylophone

#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,fma")

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

const int MAX = 5002;
int a[MAX];

void solve(int n) {
    for (int i = 2; i <= n; i++) {
        int x = query(1, i);
        int y = query(i - 1, i);
        if (abs(a[i - 1] + y) == x) a[i] = a[i - 1] + y;
        else a[i] = a[i - 1] - y;
    }
    int u = 0;
    a[0] = INT_MIN;
    for (int i = 1; i <= n; i++) {
        if (a[i] > a[u]) u = i;
    }
    int v = 0;
    a[0] = INT_MAX;
    for (int i = 1; i <= n; i++) {
        if (a[i] < a[v]) v = i;
    }
    if (u > v) {
        for (int i = 1; i <= n; i++) {
            answer(i, n - a[u] + a[i]);
        }
    } else {
        for (int i = 1; i <= n; i++) {
            answer(i, (n + 1) - (n - a[u] + a[i]));
        }
    }
}

/*int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    solve();
}*/

Compilation message

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:12:17: error: 'query' was not declared in this scope
   12 |         int x = query(1, i);
      |                 ^~~~~
xylophone.cpp:29:13: error: 'answer' was not declared in this scope
   29 |             answer(i, n - a[u] + a[i]);
      |             ^~~~~~
xylophone.cpp:33:13: error: 'answer' was not declared in this scope
   33 |             answer(i, (n + 1) - (n - a[u] + a[i]));
      |             ^~~~~~