제출 #1191221

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1191221		Tsagana	Bali Sculptures (APIO15_sculpture)	C++20	컴파일 에러	0 ms	0 KiB

sculpture

#include<bits/stdc++.h>

#define IOS ios_base::sync_with_stdio(false);cin.tie();cout.tie();
#define all(x) x.begin(), x.end()
#define int long long
#define pq priority_queue
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
#define pb push_back
#define pp pop_back
#define F first
#define S second

using namespace std;

void solve () {
	int n, s, e; cin >> n >> s >> e;
	int a[n + 1];
	for (int i = 1; i <= n; i++) cin >> a[i];
	int ans = (1LL << 41) - 1;
	int l[n + 1], r[n + 1];
	l[0] = r[0] = 0;
	for (int k = 40; k >= 0; k--) {
		ans ^= 1LL << k;
		for (int i = 1; i <= n; i++) {
			l[i] = INT_MAX, r[i] = INT_MIN;
			int s = 0;
			for (int j = i-1; j >= 0; j--) {
				s += a[j + 1];
				if ((s & ans) == s) {
					l[i] = min(l[i], l[j] + 1);
					r[i] = max(r[i], r[j] + 1);
				}
			}
		}
		if (!(s <= r[n] &x& l[n] <= e)) ans ^= 1LL << k;
	}
	cout << ans << '\n';
}
signed main() {IOS solve(); return 0;}

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'void solve()':
sculpture.cpp:37:34: error: 'x' was not declared in this scope
   37 |                 if (!(s <= r[n] &x& l[n] <= e)) ans ^= 1LL << k;
      |                                  ^