oj.uz

Submission #1113042

# Submission time Handle Problem Language Result Execution time Memory
1113042 2024-11-15T13:39:42 Z SalihSahin Ancient Books (IOI17_books) C++14
12 / 100
 1 ms 336 KB 
#include <bits/stdc++.h>
#define pb push_back
#include "books.h"
using namespace std;

long long minimum_walk(vector<int> p, int s) {
   long long ans = 0;
   int n = p.size();
   vector<int> vis(n);
   vector<int> on(n+1), arka(n+1); 
   for(int i = 0; i < n; i++){
      if(vis[i] || p[i] == i) continue;

      int x = i;
      while(!vis[x]){
         vis[x] = 1;
         if(x < p[x]){
            on[x]++;
            on[p[x]]--;
         }
         else{
            arka[x]++;
            arka[p[x]]--;
         }
         x = p[x];
      }
   }
   for(int i = 1; i <= n; i++){
      on[i] += on[i-1];
   }
   for(int i = n-1; i >= 0; i--){
      arka[i] += arka[i+1];
   }

   vector<int> mnval(n+1, -1), mxval(n+1, -1);
   for(int i = 0; i <= n; i++){
      if(on[i] == 0) continue;
      if(mnval[on[i]] == -1){
         mnval[on[i]] = i;
      }
      else{
         mnval[on[i]] = min(mnval[on[i]], i);
      }

      if(mxval[on[i]] == -1){
         mxval[on[i]] = i;
      }
      else{
         mxval[on[i]] = max(mxval[on[i]], i);
      }
   }

   vector<int> mnval2(n+1, -1), mxval2(n+1, -1);
   for(int i = 0; i <= n; i++){
      if(arka[i] == 0) continue;
      if(mnval2[arka[i]] == -1){
         mnval2[arka[i]] = i;
      }
      else{
         mnval2[arka[i]] = min(mnval2[arka[i]], i);
      }

      if(mxval2[arka[i]] == -1){
         mxval2[arka[i]] = i;
      }
      else{
         mxval2[arka[i]] = max(mxval2[arka[i]], i);
      }
   }

   int ind = 0;
   for(int i = 1; i <= n; i++){
      if(mxval[i] == -1) break;
      ans += ((mxval[i] + 1) - ind);
      ind = mxval[i] + 1;
      ans += (ind - (mnval2[i]));
      ind = mnval2[i];
   }
   ans += ind;

   return ans;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Incorrect 1 ms 336 KB 3rd lines differ - on the 1st token, expected: '338572', found: '339830'
20 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Incorrect 1 ms 336 KB 3rd lines differ - on the 1st token, expected: '338572', found: '339830'
20 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 336 KB 3rd lines differ - on the 1st token, expected: '3304', found: '5932'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Incorrect 1 ms 336 KB 3rd lines differ - on the 1st token, expected: '338572', found: '339830'
20 Halted 0 ms 0 KB -