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Submission #521952

# Submission time Handle Problem Language Result Execution time Memory
521952 2022-02-03T13:49:10 Z DanerZein Discharging (NOI20_discharging) C++14
11 / 100
 409 ms 21056 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAX_N=1e6+10;
const int MAX_P=MAX_N*4;
const int MAX=1e9;
ll val[MAX_N];
int tr[MAX_P];
ll n;
int unir(int a,int b){
  if(a==n || b==n){
    if(a==n) return b;
    if(b==n) return a;
    return n;
  }
  if(val[a]>val[b]) return a;
  else{
    if(val[a]==val[b]) return min(a,b);
    else return b;
  }
}
void init(int node,int a,int b){
  if(a==b){
    tr[node]=a;
    return;
  }
  int mid=(a+b)/2,le=2*node+1,ri=2*node+2;
  init(le,a,mid);
  init(ri,mid+1,b);
  tr[node]=unir(tr[le],tr[ri]);
}
ll query(int node,int a,int b,int l,int r){
  if(b<l || a>r) return n;
  if(l<=a && r>=b) return tr[node];
  int mid=(a+b)/2,le=2*node+1,ri=2*node+2;
  return unir(query(le,a,mid,l,r),query(ri,mid+1,b,l,r));
}
ll maxres(int l,int r){
  int i=query(0,0,n-1,l,r);
  if(i==0) return val[i]*n;
  ll d=(n-i);
  int j=query(0,0,n-1,l,i-1);
  if(val[i]*n<val[i]*d+val[j]*n){
    return val[i]*n;
  }
  else{
    return val[i]*d+maxres(l,i-1);
  }
}
int main(){
  cin>>n;
  for(int i=0;i<n;i++){
    int a; cin>>a;
    val[i]=a;
  }
  val[n]=-MAX;
  init(0,0,n-1);
  cout<<maxres(0,n-1)<<endl;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 304 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 374 ms 21056 KB Output is correct
2 Correct 409 ms 20664 KB Output is correct
3 Correct 373 ms 20676 KB Output is correct
4 Correct 368 ms 20628 KB Output is correct
5 Correct 396 ms 20752 KB Output is correct
6 Correct 407 ms 20744 KB Output is correct
7 Correct 394 ms 20704 KB Output is correct
8 Correct 379 ms 20720 KB Output is correct
9 Correct 386 ms 20804 KB Output is correct
10 Correct 375 ms 20612 KB Output is correct

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 304 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Incorrect 1 ms 304 KB Output isn't correct
3 Halted 0 ms 0 KB -