#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
#ifdef _DEBUG
#define dout(x) clog << "Line " << __LINE__ << ": " << #x << "=" << (x) << el
#else
#define dout(x)
#endif
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define uid(a,b) uniform_int_distribution<int>(a,b)(rng)
#define ins insert
#define ssize(x) (int((x).size()))
#define bs(args...) binary_search(args)
#define lb(args...) lower_bound(args)
#define ub(args...) upper_bound(args)
#define all(x) (x).begin(),(x).end()
#define mp(a, b) make_pair(a, b)
#define mt(args...) make_tuple(args)
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second
#define die exit(0)
template<typename T>
using vc = vector<T>;
template<typename T>
using uset = unordered_set<T>;
template<typename A, typename B>
using umap = unordered_map<A, B>;
template<typename T, typename Comp>
using pq = std::priority_queue<T, vc<T>, Comp>;
template<typename T>
using maxpq = pq<T, less<T>>;
template<typename T>
using minpq = pq<T, greater<T>>;
template<typename T>
using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
using db = double;
using ld = long double;
using ll = long long;
using ull = unsigned long long;
using pi = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vc<int>;
using vll = vc<ll>;
using vpi = vc<pi>;
using vpll = vc<pll>;
using str = string;
constexpr char el = '\n';
constexpr char sp = ' ';
constexpr int inf = 0x3f3f3f3f;
constexpr ll llinf = 0x3f3f3f3f3f3f3f3fLL;
// ---------------------------------------------------------------------
const int N = 1e6+5;
const int Q = N;
int n, q, a[N], bit[N];
vi qs[N];
bitset<N> ans;
struct evan {
int l, r, k;
} query[Q];
void upd(int i, int x){
while(i>0){
bit[i] = max(bit[i], x);
i -= i&-i;
}
}
int qry(int i){
int ans = 0;
while(i<=n){
ans = max(ans, bit[i]);
i += i&-i;
}
return ans;
}
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
cout << fixed; clog << fixed; clog << unitbuf;
#ifdef _DEBUG
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
freopen("debug.txt", "w", stderr);
#else
//freopen(".in", "r", stdin);
//freopen(".out", "w", stdout);
#endif
cin >> n >> q;
a[0] = inf;
for(int i = 1; i <= n; ++i)
cin >> a[i];
for(int i = 0; i < n; ++i){
cin >> query[i].l >> query[i].r >> query[i].k;
qs[query[i].r].pb(i);
}
vi st{0};
for(int i = 1; i <= n; ++i){
while(a[st.back()]<=a[i])
st.pop_back();
upd(st.back(), a[i]+a[st.back()]);
st.pb(i);
for(int j: qs[i])
ans[j] = qry(query[j].l) <= query[j].k;
}
for(int i = 0; i < q; ++i)
cout << ans[i] << el;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
23764 KB |
Output is correct |
2 |
Correct |
14 ms |
23764 KB |
Output is correct |
3 |
Incorrect |
13 ms |
23764 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
23764 KB |
Output is correct |
2 |
Correct |
14 ms |
23764 KB |
Output is correct |
3 |
Incorrect |
13 ms |
23764 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
982 ms |
95256 KB |
Output is correct |
2 |
Correct |
1014 ms |
96296 KB |
Output is correct |
3 |
Correct |
983 ms |
96236 KB |
Output is correct |
4 |
Correct |
1026 ms |
96228 KB |
Output is correct |
5 |
Correct |
1056 ms |
92408 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
82 ms |
27608 KB |
Output is correct |
2 |
Correct |
66 ms |
28768 KB |
Output is correct |
3 |
Correct |
79 ms |
28896 KB |
Output is correct |
4 |
Correct |
90 ms |
29024 KB |
Output is correct |
5 |
Correct |
72 ms |
29140 KB |
Output is correct |
6 |
Correct |
60 ms |
27928 KB |
Output is correct |
7 |
Correct |
65 ms |
27908 KB |
Output is correct |
8 |
Correct |
74 ms |
28824 KB |
Output is correct |
9 |
Incorrect |
20 ms |
24156 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
23764 KB |
Output is correct |
2 |
Correct |
14 ms |
23764 KB |
Output is correct |
3 |
Incorrect |
13 ms |
23764 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
23764 KB |
Output is correct |
2 |
Correct |
14 ms |
23764 KB |
Output is correct |
3 |
Incorrect |
13 ms |
23764 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |