結果
| 問題 | No.879 Range Mod 2 Query |
| コンテスト | |
| ユーザー |
minato
|
| 提出日時 | 2020-11-21 13:15:30 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 9,762 bytes |
| 記録 | |
| コンパイル時間 | 13,120 ms |
| コンパイル使用メモリ | 290,640 KB |
| 最終ジャッジ日時 | 2025-01-16 03:54:59 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 3 WA * 18 |
ソースコード
#ifdef ONLINE_JUDGE
#pragma GCC target("avx2,avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#endif
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using i128 = __int128_t;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define rrep(i, n) for (int i = int(n) - 1; i >= 0; i--)
#define all(x) (x).begin(), (x).end()
constexpr char ln = '\n';
istream& operator>>(istream& is, __int128_t& x) {
x = 0;
string s;
is >> s;
int n = int(s.size()), it = 0;
if (s[0] == '-') it++;
for (; it < n; it++) x = (x * 10 + s[it] - '0');
if (s[0] == '-') x = -x;
return is;
}
ostream& operator<<(ostream& os, __int128_t x) {
if (x == 0) return os << 0;
if (x < 0) os << '-', x = -x;
deque<int> deq;
while (x) deq.emplace_front(x % 10), x /= 10;
for (int e : deq) os << e;
return os;
}
template<class T1, class T2>
ostream& operator<<(ostream& os, const pair<T1, T2>& p) {
return os << "(" << p.first << ", " << p.second << ")";
}
template<class T>
ostream& operator<<(ostream& os, const vector<T>& v) {
os << "{";
for (int i = 0; i < int(v.size()); i++) {
if (i) os << ", ";
os << v[i];
}
return os << "}";
}
template<class Container> inline int SZ(Container& v) { return int(v.size()); }
template<class T> inline void UNIQUE(vector<T>& v) { v.erase(unique(v.begin(), v.end()), v.end()); }
template<class T1, class T2> inline bool chmax(T1& a, T2 b) { if (a < b) {a = b; return true ;} return false ;}
template<class T1, class T2> inline bool chmin(T1& a, T2 b) { if (a > b) {a = b; return true ;} return false ;}
inline int topbit(int x) { return x == 0 ? -1 : 31 - __builtin_clz(x); }
inline int topbit(long long x) { return x == 0 ? -1 : 63 - __builtin_clzll(x); }
inline int botbit(int x) { return x == 0 ? 32 : __builtin_ctz(x); }
inline int botbit(long long x) { return x == 0 ? 64 : __builtin_ctzll(x); }
inline int popcount(int x) { return __builtin_popcount(x); }
inline int popcount(long long x) { return __builtin_popcountll(x); }
inline int kthbit(long long x, int k) { return (x>>k) & 1; }
inline constexpr long long TEN(int x) { return x == 0 ? 1 : TEN(x-1) * 10; }
inline void print() { cout << "\n"; }
template<class T>
inline void print(const vector<T>& v) {
for (int i = 0; i < int(v.size()); i++) {
if (i) cout << " ";
cout << v[i];
}
print();
}
template<class T, class... Args>
inline void print(const T& x, const Args& ... args) {
cout << x << " ";
print(args...);
}
#ifdef MINATO_LOCAL
inline void debug_out() { cerr << endl; }
template <class T, class... Args>
inline void debug_out(const T& x, const Args& ... args) {
cerr << " " << x;
debug_out(args...);
}
#define debug(...) cerr << __LINE__ << " : [" << #__VA_ARGS__ << "] =", debug_out(__VA_ARGS__)
#define dump(x) cerr << __LINE__ << " : " << #x << " = " << (x) << endl
#else
#define debug(...) (void(0))
#define dump(x) (void(0))
#endif
struct fast_ios { fast_ios() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
template<class T, class U, class F, class G, class H>
struct LazySegmentTree {
private:
F op;
G mapping;
H composition;
T e;
U id;
int _n, size ,log;
vector<T> node;
vector<U> lazy;
public:
LazySegmentTree() {}
LazySegmentTree(const F& op, const G& mapping, const H& composition, T e, U id, int n)
: LazySegmentTree(op, mapping, composition, e, id, vector<T>(n, e)) {}
LazySegmentTree(const F& op, const G& mapping, const H& composition, T e, U id, const vector<T>& v)
: op(op), mapping(mapping), composition(composition), e(e), id(id),
_n(int(v.size())), log(0) {
while ((1<<log) < _n) log++;
size = 1 << log;
node = vector<T>(2 * size, e);
lazy = vector<U>(size, id);
for (int i = 0; i < _n; i++) node[size + i] = v[i];
for (int i = size - 1; i >= 1; i--) {
update(i);
}
}
void set(int p, T x) {
assert(0 <= p && p < _n);
p += size;
for (int i = log; i >= 1; i--) push(p >> i);
node[p] = x;
for (int i = 1; i <= log; i++) update(p >> i);
}
// [l, r) (0-indexed)
T get(int l, int r) {
if (l >= r) return e;
l += size;
r += size;
for (int i = log; i >= 1; i--) {
if (((l >> i) << i) != l) push(l >> i);
if (((r >> i) << i) != r) push(r >> i);
}
T sml = e, smr = e;
while (l < r) {
if (l & 1) sml = op(sml, node[l++]);
if (r & 1) smr = op(node[--r], smr);
l >>= 1;
r >>= 1;
}
return op(sml, smr);
}
T all_get() { return node[1]; }
void apply(int p, U val) {
assert(0 <= p && p < _n);
p += size;
for (int i = log; i >= 1; i--) push(p >> i);
node[p] = val == id ? node[p] : mapping(node[p], val);
for (int i = 1; i <= log; i++) update(p >> i);
}
void apply(int l, int r, U val) {
if (l >= r) return;
l += size;
r += size;
for (int i = log; i >= 1; i--) {
if (((l >> i) << i) != l) push(l >> i);
if (((r >> i) << i) != r) push((r - 1) >> i);
}
{
int l2 = l, r2 = r;
while (l < r) {
if (l & 1) all_apply(l++, val);
if (r & 1) all_apply(--r, val);
l >>= 1;
r >>= 1;
}
l = l2;
r = r2;
}
for (int i = 1; i <= log; i++) {
if (((l >> i) << i) != l) update(l >> i);
if (((r >> i) << i) != r) update((r - 1) >> i);
}
}
template <typename C>
int max_right(int l, const C& check) {
assert(0 <= l && l <= _n);
assert(check(e));
if (l == _n) return _n;
l += size;
for (int i = log; i >= 1; i--) push(l >> i);
T sm = e;
do {
while (~l & 1) l >>= 1;
if (!check(op(sm, node[l]))) {
while (l < size) {
push(l);
l = (2 * l);
if (check(op(sm, node[l]))) {
sm = op(sm, node[l]);
l++;
}
}
return l - size;
}
sm = op(sm, node[l]);
l++;
} while ((l & -l) != l);
return _n;
}
template <typename C>
int min_left(int r, const C& check) {
assert(0 <= r && r <= _n);
assert(check(e));
if (r == 0) return 0;
r += size;
for (int i = log; i >= 1; i--) push((r - 1) >> i);
T sm = e;
do {
r--;
while (r > 1 && (r & 1)) r >>= 1;
if (!check(op(node[r], sm))) {
while (r < size) {
push(r);
r = (2 * r + 1);
if (check(op(node[r], sm))) {
sm = op(node[r], sm);
r--;
}
}
return r + 1 - size;
}
sm = op(node[r], sm);
} while ((r & -r) != r);
return 0;
}
T operator[](int p) {
assert(0 <= p && p < _n);
p += size;
for (int i = log; i >= 1; i--) push(p >> i);
return node[p];
}
private:
void update(int k) { node[k] = op(node[2 * k], node[2 * k + 1]); }
void all_apply(int k, U val) {
node[k] = val == id ? node[k] : mapping(node[k], val);
if (k < size) lazy[k] = composition(lazy[k], val);
}
void push(int k) {
if (lazy[k] == id) return;
all_apply(2 * k, lazy[k]);
all_apply(2 * k + 1, lazy[k]);
lazy[k] = id;
}
};
struct Node {
ll val;
int odd,even;
Node () {}
Node (ll val, int odd, int even) : val(val), odd(odd), even(even) {}
};
int main() {
auto f=[&](Node a, Node b) {return Node(a.val+b.val,a.odd+b.odd,a.even+b.even);};
auto g=[&](Node a, pll upd) {
if (upd.second) {
a.val = upd.first*(a.odd+a.even)+a.odd;
if (upd.first&1) swap(a.odd,a.even);
return a;
} else {
a.val += upd.first*(a.odd+a.even);
if (upd.first&1) swap(a.odd,a.even);
return a;
}
};
auto h=[&](pll a, pll b) {
if (b.second) return b;
a.first += b.first;
return a;
};
const Node e = Node(0,0,0);
const pll id = pll(0,0);
int N,Q; cin >> N >> Q;
vector<ll> A(N);
rep(i,N) cin >> A[i];
vector<Node> arr(N);
rep(i,N) {
if (A[i]&1) arr[i] = Node(A[i],1,0);
else arr[i] = Node(A[i],0,1);
}
LazySegmentTree seg(f,g,h,e,id,arr);
rep(_,Q) {
int t; cin >> t;
if (t==1) {
int l,r; cin >> l >> r;
l--;
seg.apply(l,r,pll(0,1));
} else if (t==2) {
int l,r,x; cin >> l >> r >> x;
l--;
seg.apply(l,r,pll(x,0));
} else {
int l,r; cin >> l >> r;
l--;
auto node = seg.get(l,r);
cout << node.val << ln;
}
}
}
minato