제출 #1128365

#제출 시각아이디문제언어결과실행 시간메모리
112836512345678Addk (eJOI21_addk)C++17
0 / 100
127 ms4316 KiB
#include <bits/stdc++.h> using namespace std; const int nx=1e5+5; #define ll long long ll n, q, k, a[nx], t, l, r, m, upd[nx]; struct segtree { ll d[4*nx]; void update(int l, int r, int i, int idx, ll vl) { if (idx<l||r<idx) return; if (l==r) return d[i]=vl, void(); int md=(l+r)/2; update(l, md, 2*i, idx, vl); update(md+1, r, 2*i+1, idx, vl); d[i]=d[2*i]+d[2*i+1]; } ll query(int l, int r, int i, int ql, int qr) { if (qr<l||r<ql||r<l) return 0; if (ql<=l&&r<=qr) return d[i]; int md=(l+r)/2; return query(l, md, 2*i, ql, qr)+query(md+1, r, 2*i+1, ql, qr); } } up, dn, sm; int main() { cin.tie(NULL)->sync_with_stdio(false); cin>>n>>k; for (int i=1; i<=n; i++) cin>>a[i], up.update(1, n, 1, i, i*a[i]), dn.update(1, n, 1, i, (n-i+1)*a[i]), sm.update(1, n ,1, i, a[i]); cin>>q; while (q--) { cin>>t; if (t==1) { for (int i=1; i<=k; i++) cin>>upd[i]; int tmp=a[upd[1]]; for (int i=1; i<k; i++) a[upd[i]]=a[upd[i+1]]; a[upd[k]]=tmp; for (int i=1; i<=k; i++) up.update(1, n, 1, i, upd[i]*a[upd[i]]), dn.update(1, n, 1, upd[i], (n-upd[i]+1)*a[upd[i]]), sm.update(1, n ,1, upd[i], a[upd[i]]); } else { cin>>l>>r>>m; int mx=min(m, (r-l+1)-m+1); ll lft=up.query(1, n, 1, l, l+mx-1)-sm.query(1, n, 1, l, l+mx-1)*(l-1); ll md=mx*sm.query(1, n, 1, l+mx, r-mx); ll rgt=dn.query(1, n, 1, r-mx+1, r)-sm.query(1, n, 1, r-mx+1, r)*(n-r); //cout<<mx<<' '<<lft<<' '<<md<<' '<<rgt<<'\n'; cout<<lft+md+rgt<<'\n'; } } }
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