結果
| 問題 | No.3094 Stapler |
| ユーザー |
 tko919
|
| 提出日時 | 2025-04-06 16:14:31 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 328 ms / 2,000 ms |
| コード長 | 14,704 bytes |
| コンパイル時間 | 2,562 ms |
| コンパイル使用メモリ | 228,044 KB |
| 実行使用メモリ | 31,676 KB |
| 最終ジャッジ日時 | 2025-06-20 02:30:41 |
| 合計ジャッジ時間 | 11,175 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 72 |
ソースコード
#line 1 "library/Template/template.hpp"
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
#define rrep(i, a, b) for (int i = (int)(b)-1; i >= (int)(a); i--)
#define ALL(v) (v).begin(), (v).end()
#define UNIQUE(v) sort(ALL(v)), (v).erase(unique(ALL(v)), (v).end())
#define SZ(v) (int)v.size()
#define MIN(v) *min_element(ALL(v))
#define MAX(v) *max_element(ALL(v))
#define LB(v, x) int(lower_bound(ALL(v), (x)) - (v).begin())
#define UB(v, x) int(upper_bound(ALL(v), (x)) - (v).begin())
using uint = unsigned int;
using ll = long long int;
using ull = unsigned long long;
using i128 = __int128_t;
using u128 = __uint128_t;
const int inf = 0x3fffffff;
const ll INF = 0x1fffffffffffffff;
template <typename T, typename S = T> S SUM(const vector<T> &a) {
return accumulate(ALL(a), S(0));
}
template <typename S, typename T = S> S POW(S a, T b) {
S ret = 1, base = a;
while (b) {
if (b & 1)
ret *= base;
base *= base;
b >>= 1;
}
return ret;
}
template <typename T> inline bool chmax(T &a, T b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
template <typename T> inline bool chmin(T &a, T b) {
if (a > b) {
a = b;
return 1;
}
return 0;
}
template <typename T, typename U> T ceil(T x, U y) {
assert(y != 0);
if (y < 0)
x = -x, y = -y;
return (x > 0 ? (x + y - 1) / y : x / y);
}
template <typename T, typename U> T floor(T x, U y) {
assert(y != 0);
if (y < 0)
x = -x, y = -y;
return (x > 0 ? x / y : (x - y + 1) / y);
}
template <typename T> int popcnt(T x) {
return __builtin_popcountll(x);
}
template <typename T> int topbit(T x) {
return (x == 0 ? -1 : 63 - __builtin_clzll(x));
}
template <typename T> int lowbit(T x) {
return (x == 0 ? -1 : __builtin_ctzll(x));
}
template <class T, class U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
os << "P(" << p.first << ", " << p.second << ")";
return os;
}
template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) {
os << "{";
for (int i = 0; i < vec.size(); i++) {
os << vec[i] << (i + 1 == vec.size() ? "" : ", ");
}
os << "}";
return os;
}
template <typename T, typename U>
ostream &operator<<(ostream &os, const map<T, U> &map_var) {
os << "{";
for (auto itr = map_var.begin(); itr != map_var.end(); itr++) {
os << "(" << itr->first << ", " << itr->second << ")";
itr++;
if (itr != map_var.end())
os << ", ";
itr--;
}
os << "}";
return os;
}
template <typename T> ostream &operator<<(ostream &os, const set<T> &set_var) {
os << "{";
for (auto itr = set_var.begin(); itr != set_var.end(); itr++) {
os << *itr;
++itr;
if (itr != set_var.end())
os << ", ";
itr--;
}
os << "}";
return os;
}
#ifdef LOCAL
#define debug 1
#define show(...) _show(0, #__VA_ARGS__, __VA_ARGS__)
#else
#define debug 0
#define show(...) true
#endif
template <typename T> void _show(int i, T name) {
cerr << '\n';
}
template <typename T1, typename T2, typename... T3>
void _show(int i, const T1 &a, const T2 &b, const T3 &...c) {
for (; a[i] != ',' && a[i] != '\0'; i++)
cerr << a[i];
cerr << ":" << b << " ";
_show(i + 1, a, c...);
}
#line 2 "library/Utility/fastio.hpp"
#include <unistd.h>
namespace fastio {
static constexpr uint32_t SZ = 1 << 17;
char ibuf[SZ];
char obuf[SZ];
char out[100];
// pointer of ibuf, obuf
uint32_t pil = 0, pir = 0, por = 0;
struct Pre {
char num[10000][4];
constexpr Pre() : num() {
for (int i = 0; i < 10000; i++) {
int n = i;
for (int j = 3; j >= 0; j--) {
num[i][j] = n % 10 | '0';
n /= 10;
}
}
}
} constexpr pre;
inline void load() {
memmove(ibuf, ibuf + pil, pir - pil);
pir = pir - pil + fread(ibuf + pir - pil, 1, SZ - pir + pil, stdin);
pil = 0;
if (pir < SZ)
ibuf[pir++] = '\n';
}
inline void flush() {
fwrite(obuf, 1, por, stdout);
por = 0;
}
void rd(char &c) {
do {
if (pil + 1 > pir)
load();
c = ibuf[pil++];
} while (isspace(c));
}
void rd(string &x) {
x.clear();
char c;
do {
if (pil + 1 > pir)
load();
c = ibuf[pil++];
} while (isspace(c));
do {
x += c;
if (pil == pir)
load();
c = ibuf[pil++];
} while (!isspace(c));
}
template <typename T> void rd_real(T &x) {
string s;
rd(s);
x = stod(s);
}
template <typename T> void rd_integer(T &x) {
if (pil + 100 > pir)
load();
char c;
do
c = ibuf[pil++];
while (c < '-');
bool minus = 0;
if constexpr (is_signed<T>::value || is_same_v<T, i128>) {
if (c == '-') {
minus = 1, c = ibuf[pil++];
}
}
x = 0;
while ('0' <= c) {
x = x * 10 + (c & 15), c = ibuf[pil++];
}
if constexpr (is_signed<T>::value || is_same_v<T, i128>) {
if (minus)
x = -x;
}
}
void rd(int &x) {
rd_integer(x);
}
void rd(ll &x) {
rd_integer(x);
}
void rd(i128 &x) {
rd_integer(x);
}
void rd(uint &x) {
rd_integer(x);
}
void rd(ull &x) {
rd_integer(x);
}
void rd(u128 &x) {
rd_integer(x);
}
void rd(double &x) {
rd_real(x);
}
void rd(long double &x) {
rd_real(x);
}
template <class T, class U> void rd(pair<T, U> &p) {
return rd(p.first), rd(p.second);
}
template <size_t N = 0, typename T> void rd_tuple(T &t) {
if constexpr (N < std::tuple_size<T>::value) {
auto &x = std::get<N>(t);
rd(x);
rd_tuple<N + 1>(t);
}
}
template <class... T> void rd(tuple<T...> &tpl) {
rd_tuple(tpl);
}
template <size_t N = 0, typename T> void rd(array<T, N> &x) {
for (auto &d : x)
rd(d);
}
template <class T> void rd(vector<T> &x) {
for (auto &d : x)
rd(d);
}
void read() {}
template <class H, class... T> void read(H &h, T &...t) {
rd(h), read(t...);
}
void wt(const char c) {
if (por == SZ)
flush();
obuf[por++] = c;
}
void wt(const string s) {
for (char c : s)
wt(c);
}
void wt(const char *s) {
size_t len = strlen(s);
for (size_t i = 0; i < len; i++)
wt(s[i]);
}
template <typename T> void wt_integer(T x) {
if (por > SZ - 100)
flush();
if (x < 0) {
obuf[por++] = '-', x = -x;
}
int outi;
for (outi = 96; x >= 10000; outi -= 4) {
memcpy(out + outi, pre.num[x % 10000], 4);
x /= 10000;
}
if (x >= 1000) {
memcpy(obuf + por, pre.num[x], 4);
por += 4;
} else if (x >= 100) {
memcpy(obuf + por, pre.num[x] + 1, 3);
por += 3;
} else if (x >= 10) {
int q = (x * 103) >> 10;
obuf[por] = q | '0';
obuf[por + 1] = (x - q * 10) | '0';
por += 2;
} else
obuf[por++] = x | '0';
memcpy(obuf + por, out + outi + 4, 96 - outi);
por += 96 - outi;
}
template <typename T> void wt_real(T x) {
ostringstream oss;
oss << fixed << setprecision(15) << double(x);
string s = oss.str();
wt(s);
}
void wt(int x) {
wt_integer(x);
}
void wt(ll x) {
wt_integer(x);
}
void wt(i128 x) {
wt_integer(x);
}
void wt(uint x) {
wt_integer(x);
}
void wt(ull x) {
wt_integer(x);
}
void wt(u128 x) {
wt_integer(x);
}
void wt(double x) {
wt_real(x);
}
void wt(long double x) {
wt_real(x);
}
template <class T, class U> void wt(const pair<T, U> val) {
wt(val.first);
wt(' ');
wt(val.second);
}
template <size_t N = 0, typename T> void wt_tuple(const T t) {
if constexpr (N < std::tuple_size<T>::value) {
if constexpr (N > 0) {
wt(' ');
}
const auto x = std::get<N>(t);
wt(x);
wt_tuple<N + 1>(t);
}
}
template <class... T> void wt(tuple<T...> tpl) {
wt_tuple(tpl);
}
template <class T, size_t S> void wt(const array<T, S> val) {
auto n = val.size();
for (size_t i = 0; i < n; i++) {
if (i)
wt(' ');
wt(val[i]);
}
}
template <class T> void wt(const vector<T> val) {
auto n = val.size();
for (size_t i = 0; i < n; i++) {
if (i)
wt(' ');
wt(val[i]);
}
}
void print() {
wt('\n');
}
template <class Head, class... Tail> void print(Head &&head, Tail &&...tail) {
wt(head);
if (sizeof...(Tail))
wt(' ');
print(forward<Tail>(tail)...);
}
void __attribute__((destructor)) _d() {
flush();
}
} // namespace fastio
using fastio::flush;
using fastio::print;
using fastio::read;
inline void first(bool i = true) {
print(i ? "first" : "second");
}
inline void Alice(bool i = true) {
print(i ? "Alice" : "Bob");
}
inline void Takahashi(bool i = true) {
print(i ? "Takahashi" : "Aoki");
}
inline void yes(bool i = true) {
print(i ? "yes" : "no");
}
inline void Yes(bool i = true) {
print(i ? "Yes" : "No");
}
inline void No() {
print("No");
}
inline void YES(bool i = true) {
print(i ? "YES" : "NO");
}
inline void NO() {
print("NO");
}
inline void Yay(bool i = true) {
print(i ? "Yay!" : ":(");
}
inline void Possible(bool i = true) {
print(i ? "Possible" : "Impossible");
}
inline void POSSIBLE(bool i = true) {
print(i ? "POSSIBLE" : "IMPOSSIBLE");
}
/**
* @brief Fast IO
*/
#line 3 "sol.cpp"
#line 2 "library/DataStructure/lazysegtree.hpp"
template <typename M, typename N, M (*f)(M, M), M (*g)(M, N), N (*h)(N, N),
M (*m1)(), N (*n1)()>
class LazySegmentTree {
int n, sz, height;
vector<M> data;
vector<N> lazy;
void update(int k) {
data[k] = f(data[k * 2], data[k * 2 + 1]);
}
void apply(int k, N x) {
data[k] = g(data[k], x);
if (k < sz)
lazy[k] = h(lazy[k], x);
}
void down(int k) {
apply(k * 2, lazy[k]);
apply(k * 2 + 1, lazy[k]);
lazy[k] = n1();
}
public:
LazySegmentTree(int n = 0) : LazySegmentTree(vector<M>(n, m1())) {}
LazySegmentTree(const vector<M> &a) : n(SZ(a)) {
sz = 1, height = 0;
while (sz < (int)a.size())
sz <<= 1, height++;
data.assign(2 * sz, m1());
lazy.assign(sz, n1());
rep(i, 0, a.size()) data[sz + i] = a[i];
for (int i = sz - 1; i; i--)
update(i);
}
M operator[](int k) const {
k += sz;
rrep(i, 1, height + 1) down(k >> i);
return data[k];
}
vector<M> get() {
rep(k, 1, sz) down(k);
return {data.begin() + sz, data.begin() + sz + n};
}
void set(int k, M x) {
k += sz;
for (int i = height; i; i--)
down(k >> i);
data[k] = x;
for (int i = 1; i <= height; i++)
update(k >> i);
}
void update(int L, int R, N x) {
if (L >= R)
return;
L += sz, R += sz;
for (int i = height; i; i--) {
if (((L >> i) << i) != L)
down(L >> i);
if (((R >> i) << i) != R)
down((R - 1) >> i);
}
int lb = L, rb = R;
while (L < R) {
if (L & 1)
apply(L++, x);
if (R & 1)
apply(--R, x);
L >>= 1;
R >>= 1;
}
L = lb, R = rb;
for (int i = 1; i <= height; i++) {
if (((L >> i) << i) != L)
update(L >> i);
if (((R >> i) << i) != R)
update((R - 1) >> i);
}
}
M query(int L, int R) {
if (L >= R)
return m1();
L += sz, R += sz;
for (int i = height; i; i--) {
if (((L >> i) << i) != L)
down(L >> i);
if (((R >> i) << i) != R)
down((R - 1) >> i);
}
M lb = m1(), rb = m1();
while (L < R) {
if (L & 1)
lb = f(lb, data[L++]);
if (R & 1)
rb = f(data[--R], rb);
L >>= 1;
R >>= 1;
}
return f(lb, rb);
}
template <class F> int max_right(int L, F ch) {
if (L == n)
return n;
L += sz;
rrep(i, 1, height + 1) down(L >> i);
M sum = m1();
do {
while (L % 2 == 0)
L >>= 1;
if (!ch(f(sum, data[L]))) {
while (L < sz) {
down(L);
L <<= 1;
if (ch(f(sum, data[L])))
sum = f(sum, data[L++]);
}
return L - sz;
}
sum = f(sum, data[L++]);
} while ((L & -L) != L);
return n;
}
template <class F> int min_left(int R, F ch) {
if (R == 0)
return 0;
R += sz;
rrep(i, 1, height + 1) down((R - 1) >> i);
M sum = m1();
do {
R--;
while (R > 1 and (R & 1))
R >>= 1;
if (!ch(f(data[R], sum))) {
while (R < sz) {
down(R);
R = (R * 2 + 1);
if (ch(f(data[R], sum))) {
sum = f(data[R--], sum);
}
}
return R + 1 - sz;
}
sum = f(data[R], sum);
} while ((R & -R) != R);
return 0;
}
};
/**
* @brief Lazy Segment Tree
*/
#line 5 "sol.cpp"
using P = pair<int, int>;
P f(P a, P b) {
if (a.first == b.first)
return {a.first, a.second + b.second};
return min(a, b);
}
P g(P a, int b) {
return {a.first + b, a.second};
}
int h(int a, int b) {
return a + b;
}
P e() {
return {inf, 0};
}
int e2() {
return 0;
}
int main() {
int n, Q;
read(n, Q);
LazySegmentTree<P, int, f, g, h, e, e2> seg(n);
rep(i, 0, n) seg.set(i, {0, 1});
vector<pair<int, int>> que(Q);
rep(i, 0, Q) {
int ty;
read(ty);
if (ty == 1) {
int L, R;
read(L, R);
L--;
R--;
que[i] = {L, R};
seg.update(L, R, 1);
} else if (ty == 2) {
int j;
read(j);
j--;
auto [L, R] = que[j];
seg.update(L, R, -1);
} else {
show(seg.query(0, n).first);
auto [mi, ret] = seg.query(0, n);
if (seg.query(n - 1, n).first > 0)
ret++;
print(mi == 0 ? ret : 1);
}
}
return 0;
}