oj.uz

답안 #928638

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
928638 2024-02-16T23:35:41 Z AdamGS Dungeon 3 (JOI21_ho_t5) C++17
100 / 100
 390 ms 88152 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const ll INF=1e9+7;
const int LIM=2e5+7;
ll A[LIM], B[LIM], lewo[LIM], prawo[LIM], wynik[LIM], indl[LIM], indr[LIM], trma[4*LIM], N=1;
vector<pair<pair<ll,ll>,pair<ll,ll>>>V;
vector<int>L[LIM], R[LIM];
pair<pair<ll,ll>,ll>pyt[LIM];
pair<ll,ll>tr[4*LIM];
pair<ll,ll>dodaj(pair<ll,ll>a, pair<ll,ll>b) {
  return {a.st+b.st, a.nd+b.nd};
}
void upd(int v, pair<ll,ll>x) {
  v+=N;
  while(v) {
    tr[v]=dodaj(tr[v], x);
    v/=2;
  }
}
pair<ll,ll>cnt(int l, int r) {
  l+=N; r+=N;
  pair<ll,ll>ans=tr[l];
  if(l!=r) ans=dodaj(ans, tr[r]);
  while(l/2!=r/2) {
    if(l%2==0) ans=dodaj(ans, tr[l+1]);
    if(r%2==1) ans=dodaj(ans, tr[r-1]);
    l/=2; r/=2;
  }
  return ans;
}
ll cntma(int l, int r) {
  l+=N; r+=N;
  ll ans=max(trma[l], trma[r]);
  while(l/2!=r/2) {
    if(l%2==0) ans=max(ans, trma[l+1]);
    if(r%2==1) ans=max(ans, trma[r-1]);
    l/=2; r/=2;
  }
  return ans;
}
int main() {
  ios_base::sync_with_stdio(0); cin.tie(0);
  int n, m;
  cin >> n >> m;
  while(N<=n+3) N*=2;
  A[1]=INF;
  rep(i, n) {
    cin >> A[i+2];
    trma[N+i+1]=A[i+2];
    A[i+2]+=A[i+1];
  }
  rep(i, n) cin >> B[i+1];
  vector<int>S;
  rep(i, n+2) {
    while(S.size() && B[S.back()]>B[i]) S.pop_back();
    if(S.size()) lewo[i]=S.back();
    S.pb(i);
  }
  S.clear();
  for(int i=n+1; i>=0; --i) {
    while(S.size() && B[S.back()]>=B[i]) S.pop_back();
    if(S.size()) prawo[i]=S.back(); else prawo[i]=n-1;
    S.pb(i);
  }
  rep(i, m) {
    cin >> pyt[i].st.st >> pyt[i].st.nd >> pyt[i].nd;
    L[pyt[i].st.st].pb(i);
    R[pyt[i].st.nd-1].pb(i);
  }
  S.clear();
  vector<ll>pref;
  for(int i=n+1; i; --i) {
    while(S.size() && B[S.back()]>=B[i]) {
      S.pop_back();
      pref.pop_back();
    }
    if(S.size()) pref.pb(B[i]*(A[S.back()]-A[i])+pref.back());
    else pref.pb(0);
    S.pb(i);
    for(auto j : L[i]) {
      int po=0, ko=(int)S.size()-1;
      while(po<ko) {
        int sr=(po+ko)/2;
        if(A[S[sr]]<=min(A[i]+pyt[j].nd, A[pyt[j].st.nd])) ko=sr; else po=sr+1;
      }
      wynik[j]+=pref.back()-pref[po];
      wynik[j]+=B[S[po]]*min(min(A[prawo[S[po]]], A[pyt[j].st.nd])-A[S[po]], pyt[j].nd);
      indl[j]=S[po]+1;
    }
  }
  S.clear();
  rep(i, n+1) {
    while(S.size() && B[S.back()]>B[i]) S.pop_back();
    S.pb(i);
    for(auto j : R[i]) {
      int po=0, ko=(int)S.size()-1;
      while(po<ko) {
        int sr=(po+ko)/2;
        if(A[S[sr]]<max(A[pyt[j].st.nd]-pyt[j].nd, A[pyt[j].st.st])) po=sr+1; else ko=sr;
      }
      if(indl[j]<=S[po]) {
        wynik[j]+=B[S[po]]*(A[pyt[j].st.nd]-A[S[po]]);
        wynik[j]+=B[S[po]]*min(A[S[po]]-A[lewo[S[po]]]-pyt[j].nd, 0ll);
      }
      indr[j]=S[po]-1;
    }
  }
  for(int i=1; i<=n; ++i) {
    V.pb({{A[i]-A[lewo[i]], -i}, {(A[i]-A[lewo[i]])*B[i], -B[i]}});
    V.pb({{A[prawo[i]]-A[i], -i}, {(A[prawo[i]]-A[i])*B[i], -B[i]}});
    V.pb({{A[prawo[i]]-A[lewo[i]], -i}, {(A[lewo[i]]-A[prawo[i]])*B[i], B[i]}});
    tr[N+i]={0, B[i]};
  }
  for(int i=N-1; i; --i) {
    tr[i]=dodaj(tr[2*i], tr[2*i+1]);
    trma[i]=max(trma[2*i], trma[2*i+1]);
  }
  rep(i, m) if(indl[i]<=indr[i]) V.pb({{pyt[i].nd, i}, {indl[i], indr[i]}});
  sort(all(V));
  for(auto i : V) {
    if(i.st.nd<0) upd(-i.st.nd, i.nd);
    else {
      pair<ll,ll>x=cnt(i.nd.st, i.nd.nd);
      wynik[i.st.nd]+=x.st+x.nd*i.st.st;
    }
  }
  rep(i, m) if(cntma(pyt[i].st.st, pyt[i].st.nd-1)>pyt[i].nd) wynik[i]=-1;
  rep(i, m) cout << wynik[i] << '\n';
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 25820 KB Output is correct
2 Correct 8 ms 26072 KB Output is correct
3 Correct 8 ms 25852 KB Output is correct
4 Correct 8 ms 25820 KB Output is correct
5 Correct 7 ms 25824 KB Output is correct
6 Correct 7 ms 25852 KB Output is correct
7 Correct 7 ms 25792 KB Output is correct
8 Correct 8 ms 25820 KB Output is correct
9 Correct 7 ms 25852 KB Output is correct
10 Correct 8 ms 25824 KB Output is correct
11 Correct 8 ms 25840 KB Output is correct
12 Correct 8 ms 25940 KB Output is correct
13 Correct 8 ms 25908 KB Output is correct
14 Correct 7 ms 25852 KB Output is correct
15 Correct 7 ms 25852 KB Output is correct
16 Correct 8 ms 25972 KB Output is correct
17 Correct 8 ms 25820 KB Output is correct
18 Correct 7 ms 25820 KB Output is correct
19 Correct 8 ms 25852 KB Output is correct
20 Correct 7 ms 25816 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 68 ms 41424 KB Output is correct
2 Correct 72 ms 40132 KB Output is correct
3 Correct 65 ms 41540 KB Output is correct
4 Correct 71 ms 41676 KB Output is correct
5 Correct 71 ms 41924 KB Output is correct
6 Correct 348 ms 88152 KB Output is correct
7 Correct 300 ms 83904 KB Output is correct
8 Correct 318 ms 85304 KB Output is correct
9 Correct 321 ms 87420 KB Output is correct
10 Correct 316 ms 86084 KB Output is correct
11 Correct 328 ms 85564 KB Output is correct
12 Correct 326 ms 87184 KB Output is correct
13 Correct 377 ms 86192 KB Output is correct
14 Correct 311 ms 84668 KB Output is correct
15 Correct 168 ms 82364 KB Output is correct

Subtask #3
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 290 ms 76716 KB Output is correct
2 Correct 287 ms 78304 KB Output is correct
3 Correct 260 ms 79800 KB Output is correct
4 Correct 265 ms 76604 KB Output is correct
5 Correct 253 ms 78532 KB Output is correct
6 Correct 266 ms 77540 KB Output is correct
7 Correct 301 ms 77516 KB Output is correct
8 Correct 256 ms 77496 KB Output is correct
9 Correct 296 ms 78440 KB Output is correct
10 Correct 196 ms 76084 KB Output is correct
11 Correct 293 ms 78068 KB Output is correct

Subtask #4
44.0 / 44.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 25820 KB Output is correct
2 Correct 8 ms 26072 KB Output is correct
3 Correct 8 ms 25852 KB Output is correct
4 Correct 8 ms 25820 KB Output is correct
5 Correct 7 ms 25824 KB Output is correct
6 Correct 7 ms 25852 KB Output is correct
7 Correct 7 ms 25792 KB Output is correct
8 Correct 8 ms 25820 KB Output is correct
9 Correct 7 ms 25852 KB Output is correct
10 Correct 8 ms 25824 KB Output is correct
11 Correct 8 ms 25840 KB Output is correct
12 Correct 8 ms 25940 KB Output is correct
13 Correct 8 ms 25908 KB Output is correct
14 Correct 7 ms 25852 KB Output is correct
15 Correct 7 ms 25852 KB Output is correct
16 Correct 8 ms 25972 KB Output is correct
17 Correct 8 ms 25820 KB Output is correct
18 Correct 7 ms 25820 KB Output is correct
19 Correct 8 ms 25852 KB Output is correct
20 Correct 7 ms 25816 KB Output is correct
21 Correct 68 ms 41424 KB Output is correct
22 Correct 72 ms 40132 KB Output is correct
23 Correct 65 ms 41540 KB Output is correct
24 Correct 71 ms 41676 KB Output is correct
25 Correct 71 ms 41924 KB Output is correct
26 Correct 348 ms 88152 KB Output is correct
27 Correct 300 ms 83904 KB Output is correct
28 Correct 318 ms 85304 KB Output is correct
29 Correct 321 ms 87420 KB Output is correct
30 Correct 316 ms 86084 KB Output is correct
31 Correct 328 ms 85564 KB Output is correct
32 Correct 326 ms 87184 KB Output is correct
33 Correct 377 ms 86192 KB Output is correct
34 Correct 311 ms 84668 KB Output is correct
35 Correct 168 ms 82364 KB Output is correct
36 Correct 290 ms 76716 KB Output is correct
37 Correct 287 ms 78304 KB Output is correct
38 Correct 260 ms 79800 KB Output is correct
39 Correct 265 ms 76604 KB Output is correct
40 Correct 253 ms 78532 KB Output is correct
41 Correct 266 ms 77540 KB Output is correct
42 Correct 301 ms 77516 KB Output is correct
43 Correct 256 ms 77496 KB Output is correct
44 Correct 296 ms 78440 KB Output is correct
45 Correct 196 ms 76084 KB Output is correct
46 Correct 293 ms 78068 KB Output is correct
47 Correct 343 ms 84736 KB Output is correct
48 Correct 328 ms 86216 KB Output is correct
49 Correct 365 ms 86208 KB Output is correct
50 Correct 330 ms 85836 KB Output is correct
51 Correct 327 ms 86632 KB Output is correct
52 Correct 372 ms 85612 KB Output is correct
53 Correct 341 ms 84280 KB Output is correct
54 Correct 328 ms 85932 KB Output is correct
55 Correct 390 ms 87484 KB Output is correct
56 Correct 225 ms 80172 KB Output is correct
57 Correct 376 ms 87004 KB Output is correct