結果
| 問題 |
No.3094 Stapler
|
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2025-04-06 16:47:39 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 374 ms / 2,000 ms |
| コード長 | 3,101 bytes |
| コンパイル時間 | 4,475 ms |
| コンパイル使用メモリ | 262,244 KB |
| 実行使用メモリ | 31,624 KB |
| 最終ジャッジ日時 | 2025-10-23 22:23:07 |
| 合計ジャッジ時間 | 18,407 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 72 |
コンパイルメッセージ
main.cpp: In function ‘S op(S, S)’:
main.cpp:32:1: warning: control reaches end of non-void function [-Wreturn-type]
32 | }
| ^
ソースコード
#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef pair<int, int> P;
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;}
template <int m> istream& operator>>(istream& is, static_modint<m>& a) {long long x; is >> x; a = x; return is;}
template <int m> istream& operator>>(istream& is, dynamic_modint<m>& a) {long long x; is >> x; a = x; return is;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;}
template<typename T> ostream& operator<<(ostream& os, const set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename T> ostream& operator<<(ostream& os, const unordered_set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename S, auto op, auto e> ostream& operator<<(ostream& os, const atcoder::segtree<S, op, e>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename S, auto op, auto e, typename F, auto mapping, auto composition, auto id> ostream& operator<<(ostream& os, const atcoder::lazy_segtree<S, op, e, F, mapping, composition, id>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> void chmin(T& a, T b){a = min(a, b);}
template<typename T> void chmax(T& a, T b){a = max(a, b);}
const int INF = 1001001001;
using S = pair<int, int>;
S op(S a, S b){
if(a.first < b.first) return a;
if(a.first > b.first) return b;
if(a.first == b.first) return S{a.first, a.second + b.second};
}
S e(){
return S{INF, 0};
}
using F = int;
S mapping(F f, S x){
return S{x.first + f, x.second};
}
F composition(F f, F g){
return f + g;
}
F id(){
return 0;
}
int main(){
int n;
cin >> n;
int q;
cin >> q;
atcoder::lazy_segtree<S, op, e, F, mapping, composition, id> seg(n);
rep(i, n){
seg.set(i, S{0, 1});
}
vector<tuple<int, int, int>> Query;
rep(_, q){
int t;
cin >> t;
if(t == 1){
int l, r;
cin >> l >> r;
l--; r--;
seg.apply(l, r, +1);
Query.emplace_back(1, l, r);
}
if(t == 2){
int i;
cin >> i;
i--;
auto [dummy, l, r] = Query[i];
seg.apply(l, r, -1);
Query.emplace_back(2, i, 0);
}
if(t == 3){
auto x = seg.all_prod();
cout << x.second << "\n";
Query.emplace_back(3, 0, 0);
}
}
return 0;
}