oj.uz

답안 #914636

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
914636 2024-01-22T12:37:49 Z mychecksedad Fire (JOI20_ho_t5) C++17
14 / 100
 447 ms 164292 KB 
/* Author : Mychecksdead  */
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
const int N = 2e6+100, M = 1e5+10, K = 52, MX = 30;


int n, q, L[N], R[N];
ll a[N], ans[N], T[N], lazy[N], F[N], fazy[N];
vector<array<int, 3>> Q[N];
vector<array<ll, 3>> UPD[N];

void build(int l, int r, int k){
  if(l == r){
    F[k] = T[k] = lazy[k] = fazy[k] = 0;
    return;
  }
  int m = l+r>>1;
  build(l, m, k<<1);
  build(m+1, r, k<<1|1);
  T[k] = F[k] = lazy[k] = fazy[k] = 0;
}

void push(int k, int l, int r, int m){
  T[k<<1] += lazy[k]*(ll)(m-l+1);
  T[k<<1|1] += lazy[k]*(ll)(r-m);
  lazy[k<<1] += lazy[k];
  lazy[k<<1|1] += lazy[k];
  lazy[k] = 0;
}
void push2(int k, int l, int r, int m){
  F[k<<1] += fazy[k]*(ll)(m-l+1);
  F[k<<1|1] += fazy[k]*(ll)(r-m);
  fazy[k<<1] += fazy[k];
  fazy[k<<1|1] += fazy[k];
  fazy[k] = 0;
}

void upd(int l, int r, int ql, int qr, int k, ll val){
  if(ql > r || l > qr) return;
  if(ql <= l && r <= qr){
    T[k] += (ll)(r-l+1)*val;
    lazy[k] += val;
    return;
  }
  int m = l+r>>1;
  push(k, l, r, m);
  upd(l, m, ql, qr, k<<1, val);
  upd(m+1, r, ql, qr, k<<1|1, val);
  T[k] = T[k<<1] + T[k<<1|1];
}
void upd2(int l, int r, int ql, int qr, int k, ll val){
  if(ql > r || l > qr) return;
  if(ql <= l && r <= qr){
    F[k] += (ll)(r-l+1)*val;
    fazy[k] += val;
    return;
  }
  int m = l+r>>1;
  push2(k, l, r, m);
  upd2(l, m, ql, qr, k<<1, val);
  upd2(m+1, r, ql, qr, k<<1|1, val);
  F[k] = F[k<<1] + F[k<<1|1];
}

ll get(int l, int r, int ql, int qr, int k){
  if(ql > r || l > qr) return 0;
  if(ql <= l && r <= qr) return T[k];
  int m = l+r>>1;
  push(k, l, r, m);
  return get(l, m, ql, qr, k<<1) + get(m+1, r, ql, qr, k<<1|1);
}
ll get2(int l, int r, int ql, int qr, int k){
  if(ql > r || l > qr) return 0;
  if(ql <= l && r <= qr) return F[k];
  int m = l+r>>1;
  push2(k, l, r, m);
  return get2(l, m, ql, qr, k<<1) + get2(m+1, r, ql, qr, k<<1|1);
}

void add_triangle(int posd, int posv, ll val){
  if(posd >= 1 && posd <= 2*n) upd(1, 2*n, posd, 2*n, 1, val);
  if(posv < n) 
    upd2(1, n, posv + 1, n, 1, -val);
}

void solve(){
  cin >> n >> q;
  for(int i = 1; i <= n; ++i) cin >> a[i];
  vector<int> qq;  
  qq.pb(n);
  L[n] = n + 1;
  for(int i = n-1; i >= 1; --i){
    while(!qq.empty() && a[qq.back()] < a[i]) qq.pop_back();
    if(qq.empty()) L[i] = n + 1;
    else L[i] = qq.back();
    qq.pb(i);
  }
  qq.clear();
  qq.pb(1);
  R[1] = 0;
  for(int i = 2; i <= n; ++i){
    while(!qq.empty() && a[qq.back()] < a[i]) qq.pop_back();
    if(qq.empty()) R[i] = 0;
    else R[i] = qq.back();
    qq.pb(i);
  }

  for(int i = 0; i < q; ++i){
    int t, l, r; cin >> t >> l >> r;
    Q[t].pb({l, r, i});
    ans[i] = 0;
  }
  build(1, 2*n, 1);

  for(int i = 1; i <= n; ++i){
    // cout << L[i] << ' ' << R[i] << '\n';
    if(R[i] > 0){
      int t = L[i]-1-i+i-R[i]-1, x = L[i] - 1;
      UPD[t].pb({n-t+x, x, a[i]}); 
      if(i-R[i]-2 >= 1)
        UPD[i-R[i]-2].pb({n-(i-R[i]-2)+i-1, i-1, -a[i]}); 
      if(L[i]-i-2 >= 1)
        UPD[L[i] - i - 2].pb({n-(L[i] - i - 2)+x, x, -a[i]}); 
    }else{
      upd2(1, n, i, L[i]-1, 1, a[i]);
      if(i < n && L[i]-i-2 >= 1)
        UPD[L[i]-i-2].pb({n-(L[i]-i-2)+L[i]-1, L[i]-1, -a[i]});
      // cout << i+n+1 << '\n';
    }
  }

  for(int i = n; i >= 1; --i){
    for(auto k: UPD[i]){
      add_triangle(k[0], k[1], k[2]);
      // cout << k[0] << ' ' << k[1] << ' ' << k[2] <<"triangle\n";
    }
    // cout << i << "\n";
    for(auto x: Q[i]){
      // cout << qq[0] << ' ' << qq[1] << ' ' << n-i+qq[0] << ' ' << n-i+qq[1] << '\n';
      ans[x[2]] = get(1, 2*n, n-i+x[0], n-i+x[1], 1) + get2(1, n, x[0], x[1], 1);
    }
  }


  for(int i = 0 ; i < q; ++i) cout << ans[i] << '\n';
}



int main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int tt = 1, aa;
  // freopen("in.txt", "r", stdin);
  // freopen("out.txt", "w", stdout);
  while(tt--){
    solve();
  }
  cerr<<"time taken : "<<(float)clock()/CLOCKS_PER_SEC<<" seconds\n";
  return 0;
}

Compilation message

ho_t5.cpp: In function 'void build(int, int, int)':
ho_t5.cpp:23:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |   int m = l+r>>1;
      |           ~^~
ho_t5.cpp: In function 'void upd(int, int, int, int, int, long long int)':
ho_t5.cpp:51:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |   int m = l+r>>1;
      |           ~^~
ho_t5.cpp: In function 'void upd2(int, int, int, int, int, long long int)':
ho_t5.cpp:64:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   64 |   int m = l+r>>1;
      |           ~^~
ho_t5.cpp: In function 'long long int get(int, int, int, int, int)':
ho_t5.cpp:74:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   74 |   int m = l+r>>1;
      |           ~^~
ho_t5.cpp: In function 'long long int get2(int, int, int, int, int)':
ho_t5.cpp:81:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   81 |   int m = l+r>>1;
      |           ~^~
ho_t5.cpp: In function 'int main()':
ho_t5.cpp:158:15: warning: unused variable 'aa' [-Wunused-variable]
  158 |   int tt = 1, aa;
      |               ^~

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 109136 KB Output is correct
2 Correct 31 ms 109400 KB Output is correct
3 Correct 31 ms 109252 KB Output is correct
4 Correct 31 ms 109404 KB Output is correct
5 Correct 32 ms 109404 KB Output is correct
6 Correct 32 ms 109404 KB Output is correct
7 Correct 31 ms 109392 KB Output is correct
8 Correct 32 ms 109404 KB Output is correct
9 Correct 31 ms 109248 KB Output is correct
10 Correct 31 ms 109404 KB Output is correct
11 Correct 31 ms 109260 KB Output is correct
12 Correct 32 ms 109404 KB Output is correct
13 Correct 32 ms 109404 KB Output is correct
14 Correct 32 ms 109404 KB Output is correct
15 Correct 31 ms 109388 KB Output is correct
16 Correct 31 ms 109400 KB Output is correct
17 Correct 31 ms 109404 KB Output is correct
18 Correct 32 ms 109392 KB Output is correct
19 Correct 32 ms 109404 KB Output is correct
20 Correct 32 ms 109400 KB Output is correct
21 Correct 32 ms 109404 KB Output is correct
22 Correct 31 ms 109404 KB Output is correct
23 Correct 32 ms 109404 KB Output is correct
24 Correct 32 ms 109404 KB Output is correct
25 Correct 31 ms 109404 KB Output is correct
26 Correct 31 ms 109404 KB Output is correct
27 Correct 32 ms 109400 KB Output is correct
28 Correct 31 ms 109404 KB Output is correct
29 Correct 32 ms 109140 KB Output is correct
30 Correct 33 ms 109648 KB Output is correct
31 Correct 34 ms 109288 KB Output is correct
32 Correct 33 ms 109312 KB Output is correct

Subtask #2
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 109136 KB Output is correct
2 Correct 399 ms 159008 KB Output is correct
3 Correct 406 ms 158576 KB Output is correct
4 Correct 406 ms 159676 KB Output is correct
5 Correct 399 ms 162312 KB Output is correct
6 Correct 388 ms 158864 KB Output is correct
7 Correct 447 ms 158808 KB Output is correct
8 Correct 414 ms 162960 KB Output is correct
9 Correct 413 ms 160824 KB Output is correct
10 Correct 386 ms 158904 KB Output is correct
11 Correct 409 ms 160956 KB Output is correct
12 Correct 402 ms 159420 KB Output is correct
13 Correct 395 ms 163260 KB Output is correct
14 Correct 398 ms 164292 KB Output is correct
15 Correct 395 ms 162748 KB Output is correct
16 Correct 405 ms 158904 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 109136 KB Output is correct
2 Correct 401 ms 159340 KB Output is correct
3 Correct 384 ms 159180 KB Output is correct
4 Correct 400 ms 160216 KB Output is correct
5 Correct 380 ms 159340 KB Output is correct
6 Correct 397 ms 159564 KB Output is correct
7 Correct 388 ms 159316 KB Output is correct
8 Correct 393 ms 159596 KB Output is correct
9 Correct 382 ms 159252 KB Output is correct
10 Correct 377 ms 159080 KB Output is correct
11 Correct 405 ms 160612 KB Output is correct
12 Correct 384 ms 160356 KB Output is correct
13 Correct 399 ms 160024 KB Output is correct
14 Correct 381 ms 159340 KB Output is correct
15 Correct 390 ms 160460 KB Output is correct
16 Correct 434 ms 160688 KB Output is correct

Subtask #4
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 441 ms 156348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 109136 KB Output is correct
2 Correct 31 ms 109400 KB Output is correct
3 Correct 31 ms 109252 KB Output is correct
4 Correct 31 ms 109404 KB Output is correct
5 Correct 32 ms 109404 KB Output is correct
6 Correct 32 ms 109404 KB Output is correct
7 Correct 31 ms 109392 KB Output is correct
8 Correct 32 ms 109404 KB Output is correct
9 Correct 31 ms 109248 KB Output is correct
10 Correct 31 ms 109404 KB Output is correct
11 Correct 31 ms 109260 KB Output is correct
12 Correct 32 ms 109404 KB Output is correct
13 Correct 32 ms 109404 KB Output is correct
14 Correct 32 ms 109404 KB Output is correct
15 Correct 31 ms 109388 KB Output is correct
16 Correct 31 ms 109400 KB Output is correct
17 Correct 31 ms 109404 KB Output is correct
18 Correct 32 ms 109392 KB Output is correct
19 Correct 32 ms 109404 KB Output is correct
20 Correct 32 ms 109400 KB Output is correct
21 Correct 32 ms 109404 KB Output is correct
22 Correct 31 ms 109404 KB Output is correct
23 Correct 32 ms 109404 KB Output is correct
24 Correct 32 ms 109404 KB Output is correct
25 Correct 31 ms 109404 KB Output is correct
26 Correct 31 ms 109404 KB Output is correct
27 Correct 32 ms 109400 KB Output is correct
28 Correct 31 ms 109404 KB Output is correct
29 Correct 32 ms 109140 KB Output is correct
30 Correct 33 ms 109648 KB Output is correct
31 Correct 34 ms 109288 KB Output is correct
32 Correct 33 ms 109312 KB Output is correct
33 Correct 399 ms 159008 KB Output is correct
34 Correct 406 ms 158576 KB Output is correct
35 Correct 406 ms 159676 KB Output is correct
36 Correct 399 ms 162312 KB Output is correct
37 Correct 388 ms 158864 KB Output is correct
38 Correct 447 ms 158808 KB Output is correct
39 Correct 414 ms 162960 KB Output is correct
40 Correct 413 ms 160824 KB Output is correct
41 Correct 386 ms 158904 KB Output is correct
42 Correct 409 ms 160956 KB Output is correct
43 Correct 402 ms 159420 KB Output is correct
44 Correct 395 ms 163260 KB Output is correct
45 Correct 398 ms 164292 KB Output is correct
46 Correct 395 ms 162748 KB Output is correct
47 Correct 405 ms 158904 KB Output is correct
48 Correct 401 ms 159340 KB Output is correct
49 Correct 384 ms 159180 KB Output is correct
50 Correct 400 ms 160216 KB Output is correct
51 Correct 380 ms 159340 KB Output is correct
52 Correct 397 ms 159564 KB Output is correct
53 Correct 388 ms 159316 KB Output is correct
54 Correct 393 ms 159596 KB Output is correct
55 Correct 382 ms 159252 KB Output is correct
56 Correct 377 ms 159080 KB Output is correct
57 Correct 405 ms 160612 KB Output is correct
58 Correct 384 ms 160356 KB Output is correct
59 Correct 399 ms 160024 KB Output is correct
60 Correct 381 ms 159340 KB Output is correct
61 Correct 390 ms 160460 KB Output is correct
62 Correct 434 ms 160688 KB Output is correct
63 Incorrect 441 ms 156348 KB Output isn't correct
64 Halted 0 ms 0 KB -