結果
問題 | No.876 Range Compress Query |
ユーザー | 👑 tute7627 |
提出日時 | 2019-09-06 22:21:09 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 299 ms / 2,000 ms |
コード長 | 5,863 bytes |
コンパイル時間 | 1,909 ms |
コンパイル使用メモリ | 180,164 KB |
実行使用メモリ | 8,832 KB |
最終ジャッジ日時 | 2024-06-24 19:33:57 |
合計ジャッジ時間 | 5,100 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 3 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 3 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 3 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 3 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 299 ms
8,512 KB |
testcase_12 | AC | 239 ms
8,300 KB |
testcase_13 | AC | 234 ms
8,576 KB |
testcase_14 | AC | 288 ms
8,508 KB |
testcase_15 | AC | 190 ms
8,576 KB |
testcase_16 | AC | 272 ms
8,780 KB |
testcase_17 | AC | 278 ms
8,832 KB |
testcase_18 | AC | 290 ms
8,772 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; #define ALL(a) (a).begin(),(a).end() #define ALLR(a) (a).rbegin(),(a).rend() #define spa << " " << #define lfs <<fixed<<setprecision(10)<< #define test cout<<"test"<<endl; #define fi first #define se second #define MP make_pair #define PB push_back #define EB emplace_back #define rep(i,n,m) for(ll i = n; i < (ll)(m); i++) #define rrep(i,n,m) for(ll i = n - 1; i >= (ll)(m); i--) typedef long long ll; typedef long double ld; const ll MOD = 1e9+7; //const ll MOD = 998244353; const ll INF = 1e18; using P = pair<ll, ll>; template<typename T> void chmin(T &a,T b){if(a>b)a=b;} template<typename T> void chmax(T &a,T b){if(a<b)a=b;} void pmod(ll &a,ll b){a=(a+b)%MOD;} void pmod(ll &a,ll b,ll c){a=(b+c)%MOD;} void qmod(ll &a,ll b){a=(a*b)%MOD;} void qmod(ll &a,ll b,ll c){a=(b*c)%MOD;} ll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});} void ans1(bool x){if(x) cout<<"Yes"<<endl;else cout<<"No"<<endl;} void ans2(bool x){if(x) cout<<"YES"<<endl;else cout<<"NO"<<endl;} void ans3(bool x){if(x) cout<<"Yay!"<<endl;else cout<<":("<<endl;} template<typename T1,typename T2> void ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} template<typename T> void debug(vector<vector<T>>v,ll h,ll w){for(ll i=0;i<h;i++) {cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}}; void debug(vector<string>v,ll h,ll w){for(ll i=0;i<h;i++) {for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}}; template<typename T> void debug(vector<T>v,ll n){cout<<v[0]; for(ll i=1;i<n;i++)cout spa v[i];cout<<endl;}; template<typename T> vector<vector<T>>vec(ll x, ll y, T w){ vector<vector<T>>v(x,vector<T>(y,w));return v;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} template<typename T> void emp(map<T,ll>&m, T x){m.emplace(x,0).first->second++;} template<typename T> struct LazySegmentTree{ using F = function<T(T,T)>; vector<T> data, lazy; ll n,lastlen = 1; F func = [](T a, T b){return a<b?a:b;}; T iden = LLONG_MAX; //identity element F f_lazy = [](T a, T b){return a+b;}; T iden_l = 0; F f_trans = [](T a, ll range){return a;}; LazySegmentTree(vector<T> v){ n = (ll)v.size(); while(lastlen < n)lastlen *= 2; data.assign(lastlen*2-1,iden); lazy.assign(lastlen*2-1,iden_l); for(ll i=0;i<n;i++)data[i+lastlen-1] = v[i]; for(ll i=lastlen-2;i>=0;i--){ data[i] = func(data[2*i+1], data[2*i+2]); } } void eval(ll k, ll left, ll right){ if(lazy[k] != iden_l){ data[k] = f_lazy(data[k], f_trans(lazy[k],right-left)); if(k <= lastlen - 2){ lazy[2*k+1] = f_lazy(lazy[2*k+1],lazy[k]); lazy[2*k+2] = f_lazy(lazy[2*k+2],lazy[k]); } lazy[k] = iden_l; } } void update(ll a,ll b,T x,ll point=0LL, ll left=0LL,ll right=-1LL){ if(right<0)right=lastlen; eval(point,left,right); if(b <= left || right <= a); else if(a <= left && right <= b ){ lazy[point] = x; eval(point,left,right); } else{ update(a,b,x,point*2+1, left, (left+right)/2); update(a,b,x,point*2+2, (left+right)/2, right); data[point] = func(data[2*point+1], data[2*point+2]); } } T query(ll a,ll b,ll point=0LL,ll left=0LL,ll right=-1LL){ if(right<0)right=lastlen; T ret = iden; eval(point,left,right); if(b <= left || right <= a); else if(a <= left && right <= b ){ ret = func(ret,data[point]); } else{ T p=query(a,b,point*2+1, left, (left+right)/2); T q=query(a,b,point*2+2, (left+right)/2, right); data[point] = func(data[2*point+1], data[2*point+2]); ret = func(ret,p); ret = func(ret,q); } return ret; } void print(){ ll num=0; for(ll i=lastlen;i>0;i/=2)num++; ll tmp=1; for(ll i=0;i<num;i++,tmp*=2){ for(ll j=0;j<tmp;j++){ if(data[tmp-1+j]==iden)cout<<"x"<<" "; else cout<<data[tmp-1+j]<<" "; }; cout<<"|"; } cout<<endl; tmp=1; for(ll i=0;i<num;i++,tmp*=2){ for(ll j=0;j<tmp;j++){ if(lazy[tmp-1+j]==iden_l)cout<<"x"<<" "; else cout<<lazy[tmp-1+j]<<" "; } cout<<"|"; } cout<<endl; } }; template<typename T> struct BIT{ ll n; ll k=1; vector<T>data; BIT(ll size):n(size){ data.assign(n,0); while(k*2<=n)k*=2; } void add(ll a,T w){ for(ll i=a+1;i<=n;i+=i&-i)data[i-1]+=w; } T sum(ll a){ T ret = 0; for(ll i=a+1;i>0;i-=i&-i)ret+=data[i-1]; return ret; } T sum(ll a,ll b){return a==0?sum(b):sum(b)-sum(a-1);} ll lower_bound(ll x){ ll ret=0; for(ll i=k;i>0;i/=2){ if(ret+i<=n&&data[ret+i-1]<x){ x-=data[ret+i-1]; ret+=i; } } return ret; } }; int main(){ cin.tie(NULL); ios_base::sync_with_stdio(false); ll res=0,res1=INF,res2=-INF,buf=0; bool judge = true; ll n,q;cin>>n>>q; vector<ll>a(n); rep(i,0,n)cin>>a[i]; LazySegmentTree<ll>segtree(a); BIT<ll>bit(n-1); rep(i,0,n-1){ if(a[i]!=a[i+1])bit.add(i,1); } rep(i,0,q){ //cout<<bit.sum(0) spa bit.sum(1,1) spa bit.sum(2,2)<<endl; ll p,l,r;cin>>p>>l>>r; if(p==1){ ll x;cin>>x; segtree.update(l-1,r,x); if(l!=1){ if(bit.sum(l-2,l-2)==1&& segtree.query(l-2,l-1)==segtree.query(l-1,l)){ bit.add(l-2,-1); } if(bit.sum(l-2,l-2)==0&& segtree.query(l-2,l-1)!=segtree.query(l-1,l)){ bit.add(l-2,1); } } if(r!=n){ if(bit.sum(r-1,r-1)==1&& segtree.query(r-1,r)==segtree.query(r,r+1)){ bit.add(r-1,-1); } if(bit.sum(r-1,r-1)==0&& segtree.query(r-1,r)!=segtree.query(r,r+1)){ bit.add(r-1,1); } } } else{ if(l==r)cout<<1<<endl; else cout<<bit.sum(l-1,r-2)+1<<endl; } } return 0; }