#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#ifdef local
#define safe cerr<<__PRETTY_FUNCTION__<<" line "<<__LINE__<<" safe\n"
#define pary(a...) danb(#a, a)
#define debug(a...) qqbx(#a, a)
template <typename ...T> void qqbx(const char *s, T ...a) {
int cnt = sizeof...(T);
((std::cerr << "\033[1;32m(" << s << ") = (") , ... , (std::cerr << a << (--cnt ? ", " : ")\033[0m\n")));
}
template <typename T> void danb(const char *s, T L, T R) {
std::cerr << "\033[1;32m[ " << s << " ] = [ ";
for (int f = 0; L != R; ++L)
std::cerr << (f++ ? ", " : "") << *L;
std::cerr << " ]\033[0m\n";
}
#else
#define debug(...) ((void)0)
#define safe ((void)0)
#define pary(...) ((void)0)
#endif // local
#define all(v) begin(v),end(v)
#define pb emplace_back
using namespace std;
using ll = int_fast64_t;
const int inf = 1e9;
const int mod = 1000000007;
const int maxn = 2025;
const int maxc = (1 << 18);
ll pre[maxn], a[maxn];
int n, A, B;
/*
bool dp[maxn];
bool ok(ll mask) {
dp[0] = true;
for (int i = 1; i <= n; i++) {
dp[i] = false;
for (int j = 0; j < i; j++) if (A <= i-j && i-j <= B && !(mask & (pre[i] - pre[j]))) dp[i] |= dp[j];
}
return dp[n];
}
*/
bool dp[maxn][maxc];
bool ok(ll x) { return 0; }
signed main() {
ios_base::sync_with_stdio(0), cin.tie(0);
cin >> n >> A >> B;
for (int i = 0; i < n; i++) cin >> a[i];
for (int i = 0; i < n; i++) pre[i+1] = pre[i] + a[i];
dp[0][0] = true;
for (int i = 1; i <= n; i++) {
for (int j = 0; j < i; j++) if (A <= i-j && i-j <= B) {
int s = pre[i] - pre[j];
for (int r = 0; r < maxc; r++) dp[i][r | s] |= dp[j][r];
}
}
for (int r = 0; r < maxc; r++) if (dp[n][r]) return cout << r << '\n', 0;
return 0;
assert(ok(0));
ll ans = 0, U = (1LL << 51) - 1;
for (ll s = 1LL << 50; s; s >>= 1) if (ok(ans + s)) ans += s;
cout << (U ^ ans) << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
1868 KB |
Output is correct |
2 |
Correct |
12 ms |
2316 KB |
Output is correct |
3 |
Correct |
1 ms |
588 KB |
Output is correct |
4 |
Correct |
5 ms |
1612 KB |
Output is correct |
5 |
Incorrect |
6 ms |
2892 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
1868 KB |
Output is correct |
2 |
Correct |
10 ms |
2380 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
5 ms |
1612 KB |
Output is correct |
5 |
Incorrect |
6 ms |
2892 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
1868 KB |
Output is correct |
2 |
Correct |
10 ms |
2380 KB |
Output is correct |
3 |
Correct |
1 ms |
588 KB |
Output is correct |
4 |
Correct |
6 ms |
1612 KB |
Output is correct |
5 |
Incorrect |
7 ms |
2764 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
9 ms |
1864 KB |
Output is correct |
2 |
Correct |
10 ms |
2380 KB |
Output is correct |
3 |
Correct |
1 ms |
588 KB |
Output is correct |
4 |
Correct |
6 ms |
1484 KB |
Output is correct |
5 |
Incorrect |
6 ms |
2764 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
6 ms |
1868 KB |
Output is correct |
2 |
Correct |
10 ms |
2368 KB |
Output is correct |
3 |
Correct |
1 ms |
472 KB |
Output is correct |
4 |
Correct |
6 ms |
1484 KB |
Output is correct |
5 |
Incorrect |
6 ms |
2892 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |