oj.uz

Submission #1075653

# Submission time Handle Problem Language Result Execution time Memory
1075653 2024-08-26T08:21:05 Z edogawa_something Ancient Books (IOI17_books) C++17
0 / 100
 1 ms 348 KB 
#include "books.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define F first
#define S second
#define all(v) v.begin(),v.end()
#define pb push_back
ll n;
ll sz=1;
struct segtree {
  vii val;
  void init(ll x) {
    sz=1;
    while(sz<x)
      sz*=2;
    val.clear();
    val.resize(2*sz);
  }
  void update(ll i,ll v,ll x=0,ll lx=0,ll rx=sz) {
    if(rx-lx==1) {
      val[x]=v;
      return;
    }
    ll mid=((lx+rx)>>1);
    if(i<mid)
      update(i,v,x*2+1,lx,mid);
    else
      update(i,v,x*2+2,mid,rx);
    val[x]=val[x*2+1]+val[x*2+2];
  }
  ll query(ll l,ll x=0,ll lx=0,ll rx=sz) {
    if(lx>=l)
      return val[x];
    if(rx<=l)
      return 0;
    ll mid=((lx+rx)>>1);
    return query(l,x*2+1,lx,mid)+query(l,x*2+2,mid,rx);
  }
}seg;
long long minimum_walk(vector<int> p, int s) {
  n=p.size();
  ll res=0;
  seg.init(n);
  for(int i=0;i<n;i++) {
    if(p[i]>i)
    seg.update(p[i],1);
    seg.update(i,0);
    res+=seg.query(i+1)*2;
  }
  for(int i=0;i<n;i++) {
    if(p[i]==i)
      res+=2;
    else
      break;
  }
  return res;
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '0', found: '8'
10 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '0', found: '8'
10 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '0', found: '8'
10 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Incorrect 0 ms 348 KB 3rd lines differ - on the 1st token, expected: '0', found: '8'
10 Halted 0 ms 0 KB -