제출 #478188

#제출 시각아이디문제언어결과실행 시간메모리
478188jesus_coconutXylophone (JOI18_xylophone)C++17
0 / 100
0 ms200 KiB
#include <bits/stdc++.h> #include "xylophone.h" using namespace std; int const N = 5005; int a[N]; void solve(int n) { for (int i = 0; i + 1 < n; ++i) { a[i+1] = query(i + 1, i + 2); } for (int i = 0; i + 2 < n; ++i) { int t = query(i + 1, i + 3); if (t == abs(a[i+1]) + abs(a[i+2])) { if (a[i+1] < 0) a[i+2] *= -1; } else { if (a[i+1] > 0) a[i+2] *= -1; } } partial_sum(a, a + n, a); int mn = *min_element(a, a + n); int sw = 0; for (int i = 0; i < n; ++i) { a[i] -= mn - 1; if (sw == 0) { if (a[i] == 1) sw = -1; else if (a[i] == n) sw = 1; } } if (sw) { for (int i = 0; i < n; ++i) { a[i] = n - a[i] + 1; } } for (int i = 0; i < n; ++i) { answer(i + 1, a[i]); } }
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