oj.uz

Submission #1115505

# Submission time Handle Problem Language Result Execution time Memory
1115505 2024-11-20T14:25:00 Z Skymagic Sterilizing Spray (JOI15_sterilizing) C++17
100 / 100
 138 ms 5976 KB 
#include <bits/stdc++.h>
using namespace std;
 
using ll = long long;
 
struct node{
  ll sum;
};
 
const int MAXN = 1e5 + 10;
 
int a[MAXN];
 
node seg[4 * MAXN];
 
void build(int x, int lx, int rx){
 
  if(lx == rx){
    seg[x].sum = a[lx];
    return;
  }
 
  int m = (lx + rx) / 2;
 
  int lc = 2 * x, rc = 2 * x + 1;
 
  build(lc, lx, m);
  build(rc, m + 1, rx);
 
  seg[x].sum = seg[lc].sum + seg[rc].sum;
}
 
void update_set(int x, int lx, int rx, int i, int val){
 
  if(rx < i || lx > i) return;
 
  if(lx == rx){
    seg[x].sum = val;
 
    return;
  }
 
  int m = (lx + rx) / 2;
 
  int lc = 2 * x, rc = 2 * x + 1;
 
  update_set(lc, lx, m, i, val);
  update_set(rc, m + 1, rx, i, val);
 
  seg[x].sum = seg[lc].sum + seg[rc].sum;
}
 
void update(int x, int lx, int rx, int l, int r, int k){
 
  if(rx < l || lx > r || seg[x].sum == 0) return;
 
  if(lx == rx){
    seg[x].sum /= k;
    return;
  }
 
  int m = (lx + rx) / 2;
 
  int lc = 2 * x, rc = 2 * x + 1;
 
  update(lc, lx, m, l, r, k);
  update(rc, m + 1, rx, l, r, k);
 
  seg[x].sum = seg[lc].sum + seg[rc].sum;
}
 
ll query(int x, int lx, int rx, int l, int r){
 
  if(rx < l || lx > r) return 0;
 
  if(l <= lx && rx <= r) return seg[x].sum;
 
  int m = (lx + rx) / 2;
 
  int lc = 2 * x, rc = 2 * x + 1;
 
  return query(lc, lx, m, l, r) + query(rc, m + 1, rx, l, r);
}
 
int main(){
  cin.tie(0)->sync_with_stdio(0);
 
  int n, q, k; cin >> n >> q >> k;
 
  for(int i=1; i<=n; i++){
    cin >> a[i];
  }
 
  build(1, 1, n);
 
  while(q--){
 
    int t, a, b; cin >> t >> a >> b;
 
    if(t == 1){
      update_set(1, 1, n, a, b);
 
    } else if(t == 2){
      if(k != 1) update(1, 1, n, a, b, k);
 
    } else{
      cout << query(1, 1, n, a, b) << "\n";
 
    }
 
  }
 
  return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 336 KB Output is correct
2 Correct 1 ms 484 KB Output is correct
3 Correct 2 ms 336 KB Output is correct
4 Correct 3 ms 568 KB Output is correct
5 Correct 3 ms 592 KB Output is correct
6 Correct 3 ms 592 KB Output is correct
7 Correct 3 ms 484 KB Output is correct
8 Correct 3 ms 592 KB Output is correct
9 Correct 3 ms 592 KB Output is correct
10 Correct 3 ms 592 KB Output is correct
11 Correct 3 ms 592 KB Output is correct
12 Correct 3 ms 592 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 5192 KB Output is correct
2 Correct 32 ms 4680 KB Output is correct
3 Correct 28 ms 4952 KB Output is correct
4 Correct 36 ms 5448 KB Output is correct
5 Correct 41 ms 5976 KB Output is correct
6 Correct 41 ms 5956 KB Output is correct
7 Correct 42 ms 5960 KB Output is correct
8 Correct 49 ms 5848 KB Output is correct
9 Correct 39 ms 5732 KB Output is correct
10 Correct 48 ms 5704 KB Output is correct
11 Correct 38 ms 5688 KB Output is correct
12 Correct 38 ms 5760 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 1124 KB Output is correct
2 Correct 9 ms 3152 KB Output is correct
3 Correct 11 ms 3152 KB Output is correct
4 Correct 34 ms 3960 KB Output is correct
5 Correct 41 ms 4484 KB Output is correct
6 Correct 50 ms 4424 KB Output is correct
7 Correct 36 ms 4424 KB Output is correct
8 Correct 41 ms 4436 KB Output is correct
9 Correct 38 ms 4168 KB Output is correct
10 Correct 38 ms 4168 KB Output is correct
11 Correct 43 ms 4192 KB Output is correct
12 Correct 38 ms 4168 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 4432 KB Output is correct
2 Correct 55 ms 4680 KB Output is correct
3 Correct 58 ms 4168 KB Output is correct
4 Correct 68 ms 4548 KB Output is correct
5 Correct 76 ms 5652 KB Output is correct
6 Correct 85 ms 5704 KB Output is correct
7 Correct 77 ms 5716 KB Output is correct
8 Correct 107 ms 5584 KB Output is correct
9 Correct 97 ms 5512 KB Output is correct
10 Correct 104 ms 5704 KB Output is correct
11 Correct 85 ms 5560 KB Output is correct
12 Correct 138 ms 5704 KB Output is correct