結果

問題 No.1234 典型RMQ
ユーザー rniya
提出日時 2020-09-18 21:56:38
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 104 ms / 2,000 ms
コード長 6,081 bytes
コンパイル時間 1,840 ms
コンパイル使用メモリ 202,720 KB
最終ジャッジ日時 2025-01-14 17:06:08
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 27
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
#define LOCAL
#pragma region Macros
typedef long long ll;
#define ALL(x) (x).begin(),(x).end()
const long long MOD=1000000007;
// const long long MOD=998244353;
const int INF=1e9;
const long long IINF=1e18;
const int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1};
const char dir[4]={'D','R','U','L'};
template<typename T>
istream &operator>>(istream &is,vector<T> &v){
for (T &x:v) is >> x;
return is;
}
template<typename T>
ostream &operator<<(ostream &os,const vector<T> &v){
for (int i=0;i<v.size();++i){
os << v[i] << (i+1==v.size()?"": " ");
}
return os;
}
template<typename T,typename U>
ostream &operator<<(ostream &os,const pair<T,U> &p){
os << '(' << p.first << ',' << p.second << ')';
return os;
}
template<typename T,typename U>
ostream &operator<<(ostream &os,const map<T,U> &m){
os << '{';
for (auto itr=m.begin();itr!=m.end();++itr){
os << '(' << itr->first << ',' << itr->second << ')';
if (++itr!=m.end()) os << ',';
--itr;
}
os << '}';
return os;
}
template<typename T>
ostream &operator<<(ostream &os,const set<T> &s){
os << '{';
for (auto itr=s.begin();itr!=s.end();++itr){
os << *itr;
if (++itr!=s.end()) os << ',';
--itr;
}
os << '}';
return os;
}
void debug_out(){cerr << '\n';}
template<class Head,class... Tail>
void debug_out(Head&& head,Tail&&... tail){
cerr << head;
if (sizeof...(Tail)>0) cerr << ", ";
debug_out(move(tail)...);
}
#ifdef LOCAL
#define debug(...) cerr << " ";\
cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n';\
cerr << " ";\
debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
template<typename T> T gcd(T x,T y){return y!=0?gcd(y,x%y):x;}
template<typename T> T lcm(T x,T y){return x/gcd(x,y)*y;}
template<class T1,class T2> inline bool chmin(T1 &a,T2 b){
if (a>b){a=b; return true;} return false;
}
template<class T1,class T2> inline bool chmax(T1 &a,T2 b){
if (a<b){a=b; return true;} return false;
}
#pragma endregion
template<typename Monoid,typename OperatorMonoid>
struct LazySegmentTree{
typedef function<Monoid(Monoid,Monoid)> F;
typedef function<Monoid(Monoid,OperatorMonoid)> G;
typedef function<OperatorMonoid(OperatorMonoid,OperatorMonoid)> H;
int n,hi;
F f;
G g;
H h;
Monoid id0;
OperatorMonoid id1;
vector<Monoid> dat;
vector<OperatorMonoid> laz;
LazySegmentTree(int n_,F f,G g,H h,Monoid id0,OperatorMonoid id1):
f(f),g(g),h(h),id0(id0),id1(id1){init(n_);}
void init(int n_){
n=1,hi=0;
while(n<n_) n<<=1,++hi;
dat.assign(n<<1,id0);
laz.assign(n<<1,id1);
}
void build(const vector<Monoid> &v){
for (int i=0;i<v.size();++i) dat[i+n]=v[i];
for (int i=n-1;i;--i) dat[i]=f(dat[i<<1|0],dat[i<<1|1]);
}
inline Monoid reflect(int k){
return laz[k]==id1?dat[k]:g(dat[k],laz[k]);
}
inline void propagate(int k){
if (laz[k]==id1) return;
laz[k<<1|0]=h(laz[k<<1|0],laz[k]);
laz[k<<1|1]=h(laz[k<<1|1],laz[k]);
dat[k]=reflect(k);
laz[k]=id1;
}
inline void thrust(int k){
for (int i=hi;i;--i) propagate(k>>i);
}
inline void recalc(int k){
while(k>>=1) dat[k]=f(reflect(k<<1|0),reflect(k<<1|1));
}
void update(int a,int b,OperatorMonoid x){
if (a>=b) return;
thrust(a+=n); thrust(b+=n-1);
for (int l=a,r=b+1;l<r;l>>=1,r>>=1){
if (l&1) laz[l]=h(laz[l],x),++l;
if (r&1) --r,laz[r]=h(laz[r],x);
}
recalc(a); recalc(b);
}
void set_val(int k,Monoid x){
thrust(k+=n);
dat[k]=x,laz[k]=id1;
recalc(k);
}
Monoid query(int a,int b){
if (a>=b) return id0;
thrust(a+=n); thrust(b+=n-1);
Monoid vl=id0,vr=id0;
for (int l=a,r=b+1;l<r;l>>=1,r>>=1){
if (l&1) vl=f(vl,reflect(l++));
if (r&1) vr=f(reflect(--r),vr);
}
return f(vl,vr);
}
template<typename C>
int find_subtree(int k,const C &check,Monoid &M,bool type){
while(k<n){
propagate(k);
Monoid nxt=type?f(reflect(k<<1|type),M):f(M,reflect(k<<1|type));
if (check(nxt)) k=k<<1|type;
else M=nxt,k=k<<1|(type^1);
}
return k-n;
}
// min i s.t. f(seg[a],seg[a+1],...,seg[i]) satisfy "check"
template<typename C>
int find_first(int a,const C &check){
Monoid L=id0;
if (a<=0){
if (check(f(L,reflect(1)))) return find_subtree(1,check,L,false);
return -1;
}
thrust(a+n);
int b=n;
for (int l=a+n,r=b+n;l<r;l>>=1,r>>=1){
if (l&1){
Monoid nxt=f(L,reflect(l));
if (check(nxt)) return ffind_subtree(l,check,L,false);
L=nxt; ++l;
}
}
return -1;
}
// max i s.t. f(seg[i],...,seg[b-2],seg[b-1]) satisfy "check"
template<typename C>
int find_last(int b,const C &check){
Monoid R=id0;
if (b>=n){
if (check(f(reflect(1),R))) return find_subtree(1,check,R,true);
return -1;
}
thrust(b+n-1);
int a=n;
for (int l=a,r=b+n;l<r;l>>=1,r>>=1){
if (r&1){
Monoid nxt=f(reflect(--r),R);
if (check(nxt)) return find_subtree(r,check,R,true);
R=nxt;
}
}
return -1;
}
Monoid operator[](int i){return query(i,i+1);}
};
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
int N; cin >> N;
vector<ll> a(N); cin >> a;
auto f=[](ll a,ll b){return min(a,b);};
auto g=[](ll a,ll b){return a+b;};
LazySegmentTree<ll,ll> seg(N,f,g,g,IINF,0);
seg.build(a);
int Q; cin >> Q;
for (;Q--;){
int k,l,r,c; cin >> k >> l >> r >> c; --l;
if (k==1) seg.update(l,r,c);
else cout << seg.query(l,r) << '\n';
}
}
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