結果
問題 | No.833 かっこいい電車 |
ユーザー | koyumeishi |
提出日時 | 2019-05-24 23:50:32 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 157 ms / 2,000 ms |
コード長 | 6,129 bytes |
コンパイル時間 | 1,563 ms |
コンパイル使用メモリ | 142,800 KB |
実行使用メモリ | 13,056 KB |
最終ジャッジ日時 | 2024-07-02 03:49:02 |
合計ジャッジ時間 | 4,967 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 143 ms
8,960 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 120 ms
8,832 KB |
testcase_11 | AC | 157 ms
11,776 KB |
testcase_12 | AC | 50 ms
6,912 KB |
testcase_13 | AC | 36 ms
5,376 KB |
testcase_14 | AC | 129 ms
11,392 KB |
testcase_15 | AC | 63 ms
7,680 KB |
testcase_16 | AC | 48 ms
8,448 KB |
testcase_17 | AC | 48 ms
5,376 KB |
testcase_18 | AC | 149 ms
9,344 KB |
testcase_19 | AC | 48 ms
8,064 KB |
testcase_20 | AC | 14 ms
5,376 KB |
testcase_21 | AC | 125 ms
7,040 KB |
testcase_22 | AC | 83 ms
11,392 KB |
testcase_23 | AC | 55 ms
8,192 KB |
testcase_24 | AC | 81 ms
11,136 KB |
testcase_25 | AC | 140 ms
8,832 KB |
testcase_26 | AC | 59 ms
9,728 KB |
testcase_27 | AC | 99 ms
8,448 KB |
testcase_28 | AC | 73 ms
6,400 KB |
testcase_29 | AC | 86 ms
7,808 KB |
testcase_30 | AC | 94 ms
13,056 KB |
testcase_31 | AC | 135 ms
9,088 KB |
ソースコード
#include <iostream> #include <vector> #include <cstdio> #include <sstream> #include <map> #include <string> #include <algorithm> #include <queue> #include <cmath> #include <functional> #include <set> #include <ctime> #include <random> #include <chrono> #include <cassert> #include <tuple> #include <utility> using namespace std; namespace { using Integer = long long; //__int128; template<class T, class S> istream& operator >> (istream& is, pair<T,S>& p){return is >> p.first >> p.second;} template<class T> istream& operator >> (istream& is, vector<T>& vec){for(T& val: vec) is >> val; return is;} template<class T> istream& operator , (istream& is, T& val){ return is >> val;} template<class T, class S> ostream& operator << (ostream& os, const pair<T,S>& p){return os << p.first << " " << p.second;} template<class T> ostream& operator << (ostream& os, const vector<T>& vec){for(size_t i=0; i<vec.size(); i++) os << vec[i] << (i==vec.size()-1?"":" "); return os;} template<class T> ostream& operator , (ostream& os, const T& val){ return os << " " << val;} template<class H> void print(const H& head){ cout << head; } template<class H, class ... T> void print(const H& head, const T& ... tail){ cout << head << " "; print(tail...); } template<class ... T> void println(const T& ... values){ print(values...); cout << endl; } template<class H> void eprint(const H& head){ cerr << head; } template<class H, class ... T> void eprint(const H& head, const T& ... tail){ cerr << head << " "; eprint(tail...); } template<class ... T> void eprintln(const T& ... values){ eprint(values...); cerr << endl; } class range{ Integer start_, end_, step_; public: struct range_iterator{ Integer val, step_; range_iterator(Integer v, Integer step) : val(v), step_(step) {} Integer operator * (){return val;} void operator ++ (){val += step_;} bool operator != (range_iterator& x){return step_ > 0 ? val < x.val : val > x.val;} }; range(Integer len) : start_(0), end_(len), step_(1) {} range(Integer start, Integer end) : start_(start), end_(end), step_(1) {} range(Integer start, Integer end, Integer step) : start_(start), end_(end), step_(step) {} range_iterator begin(){ return range_iterator(start_, step_); } range_iterator end(){ return range_iterator( end_, step_); } }; inline string operator "" _s (const char* str, size_t size){ return move(string(str)); } constexpr Integer my_pow(Integer x, Integer k, Integer z=1){return k==0 ? z : k==1 ? z*x : (k&1) ? my_pow(x*x,k>>1,z*x) : my_pow(x*x,k>>1,z);} constexpr Integer my_pow_mod(Integer x, Integer k, Integer M, Integer z=1){return k==0 ? z%M : k==1 ? z*x%M : (k&1) ? my_pow_mod(x*x%M,k>>1,M,z*x%M) : my_pow_mod(x*x%M,k>>1,M,z);} constexpr unsigned long long operator "" _ten (unsigned long long value){ return my_pow(10,value); } inline int k_bit(Integer x, int k){return (x>>k)&1;} //0-indexed mt19937 mt(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()); template<class T> string join(const vector<T>& v, const string& sep){ stringstream ss; for(size_t i=0; i<v.size(); i++){ if(i>0) ss << sep; ss << v[i]; } return ss.str(); } inline string operator * (string s, int k){ string ret; while(k){ if(k&1) ret += s; s += s; k >>= 1; } return ret; } } constexpr long long mod = 9_ten + 7; template<class T> class segment_tree{ vector<T> v; int len; int parent(int pos){return (pos-1)>>1;} int l_ch(int pos){return (pos<<1) + 1;} int r_ch(int pos){return (pos<<1) + 2;} public: segment_tree(int size):len(1){ while(len<=size) len<<=1; v.resize(len*2, T()); } void set_value(int pos, int value){ pos += len - 1; v[pos] = value; pos = parent(pos); while(1){ v[pos] = v[l_ch(pos)] + v[r_ch(pos)]; pos = parent(pos); if(pos==0) break; } } void set_range(int l,int r, T val, int lb,int ub,int pos){ if(r<=lb || ub<=l) return; if(l<=lb && ub<=r){ v[pos] = v[pos] + val; // <- ******************** return; } set_range(l,r,val, lb,(lb+ub)>>1, l_ch(pos)); set_range(l,r,val, (lb+ub)>>1,ub, r_ch(pos)); v[pos] = v[l_ch(pos)] + v[r_ch(pos)]; // <- ******************** } //[l,r) void set_range(int l,int r, T val){set_range(l,r,val, 0,len, 0);} T get_range(int l,int r, int lb,int ub,int pos){ if(r<=lb || ub<=l) return T(); if(l<=lb && ub<=r){ return v[pos]; } T l_val = get_range(l,r,lb,(lb+ub)>>1, l_ch(pos)); T r_val = get_range(l,r,(lb+ub)>>1,ub, r_ch(pos)); return l_val+r_val; // <- ******************** } //[l,r) T get_range(int l, int r){return get_range(l,r, 0,len, 0);} }; int main(){ int n,q; cin >> n,q; vector<long long> a(n); cin >> a; vector<pair<int,long long>> p(q); cin >> p; segment_tree<long long> seg(n); for(int i=0; i<n; i++){ seg.set_value(i, a[i]); } set<pair<int,int>> chain; { vector<pair<int,int>> v(n); for(int i=0; i<n; i++){ v[i] = {i, i+1}; } chain = set<pair<int,int>>(v.begin(), v.end()); } for(auto w: p){ int t, x; tie(t, x) = w; x--; if(t == 1){ auto itr_r = chain.upper_bound(pair<int,int>{x+1, -1}); auto itr_l = prev(itr_r); if(itr_l->second > x+1) continue; pair<int,int> new_chain = *itr_l; new_chain.second = itr_r -> second; chain.erase(itr_l); chain.erase(itr_r); chain.insert(new_chain); }else if(t == 2){ auto itr = prev(chain.upper_bound(pair<int,int>{x+1, -1})); if(itr->second <= x+1) continue; pair<int,int> new_chain_l = *itr; pair<int,int> new_chain_r = *itr; new_chain_l.second = x+1; new_chain_r.first = x+1; chain.erase(itr); chain.insert(new_chain_l); chain.insert(new_chain_r); }else if(t == 3){ a[x]++; seg.set_value(x, a[x]); }else if(t == 4){ auto itr = prev(chain.upper_bound(pair<int,int>{x+1, -1})); int l,r; tie(l,r) = *itr; long long ans = seg.get_range(l,r); // eprintln("range :", l,r); println(ans); } } return 0; }