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Submission #55250

# Submission time Handle Problem Language Result Execution time Memory
55250 2018-07-06T17:54:10 Z Just_Solve_The_Problem Gondola (IOI14_gondola) C++11
55 / 100
 29 ms 4196 KB 
#include <bits/stdc++.h>
#include "gondola.h"
//#include "grader.cpp"

using namespace std;

#define pb push_back
#define pii pair < int, int >
#define fr first
#define sc second
#define mk make_pair
#define all(s) s.begin(), s.end()
#define sz(s) (int)s.size()
#define ll long long

const int N = (int)3e5 + 7;

int valid(int n, int inputSeq[]) {
  int cnt = 1, start = -1;
  for (int i = 0; i < n; i++) {
    if (inputSeq[i] == cnt) {
      start = i;
      break;
    }
  }
  for (int i = start; i < n; i++) {
    if (inputSeq[i] != cnt) {
      return 0;
    }
    cnt++;
  }
  for (int i = 0; i < start; i++) {
    if (inputSeq[i] != cnt) {
      return 0;
    }
    cnt++;
  }
  return 1;
}

//----------------------

int has[N], pos[N];

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
  int start = -1, mx = -1;
  memset(pos, -1, sizeof pos);
  for (int i = 0; i < n; i++) {
    has[gondolaSeq[i]] = 1;
    pos[gondolaSeq[i]] = i;
    mx = max(mx, gondolaSeq[i]);
    if (gondolaSeq[i] <= n) {
      if (start != -1) continue;
      start = i - gondolaSeq[i] + 1;
      if (start < 0) start += n;
    }
  }
  deque < int > ans, dq;

  if (start == -1)
    start = 0;


  for (int i = n + 1; i <= mx; i++) {
    if (has[i]) {
      int qwe = pos[i];
      qwe -= start;
      if (qwe < 0) qwe += n;
      qwe++;
      ans.pb(qwe);
      while (!dq.empty()) {
        ans.pb(dq.front());
        dq.pop_front();
      }
      dq.clear();
    } else {
      dq.pb(i);
    }
  }

  int i = 0;
  for (int to : ans) {
    replacementSeq[i++] = to;
  }
  return i;
}

//----------------------

int mod = (int)1e9 + 9;

int mult(ll a, ll b) {
  return (a * b) % mod;
}

ll binpow(ll a, ll n) {
  ll res = 1;
  while (n) {
    if (n & 1) {
      res = mult(res, a);
    }
    a = mult(a, a);
    n >>= 1;
  }
  return res;
}

int countReplacement(int n, int inputSeq[]) {
  if (valid(n, inputSeq)) return 0;
  int res = 1;
  sort(inputSeq, inputSeq + n);
  for (int i = 0; i < n; i++) {
    if (inputSeq[i] <= n) continue;
    if (!i) {
      res = mult(res, binpow(n, inputSeq[i] - n - 1));
    } else {
      res = mult(res, binpow(n - i, inputSeq[i] - max(inputSeq[i - 1], n) - 1));
    }
  }
  if (inputSeq[0] > n) {
    res = mult(res, n);
  }
  return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 356 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 3 ms 516 KB Output is correct
5 Correct 2 ms 516 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 2 ms 516 KB Output is correct
3 Correct 2 ms 516 KB Output is correct
4 Correct 3 ms 516 KB Output is correct
5 Correct 3 ms 516 KB Output is correct
6 Correct 7 ms 676 KB Output is correct
7 Correct 14 ms 800 KB Output is correct
8 Correct 12 ms 800 KB Output is correct
9 Correct 5 ms 800 KB Output is correct
10 Correct 15 ms 800 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 800 KB Output is correct
2 Correct 2 ms 800 KB Output is correct
3 Correct 2 ms 800 KB Output is correct
4 Correct 4 ms 800 KB Output is correct
5 Correct 3 ms 800 KB Output is correct
6 Correct 8 ms 800 KB Output is correct
7 Correct 17 ms 856 KB Output is correct
8 Correct 15 ms 1004 KB Output is correct
9 Correct 6 ms 1004 KB Output is correct
10 Correct 16 ms 1004 KB Output is correct
11 Correct 3 ms 1004 KB Output is correct
12 Correct 3 ms 1004 KB Output is correct
13 Correct 14 ms 1004 KB Output is correct
14 Correct 2 ms 1004 KB Output is correct
15 Correct 24 ms 1004 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1788 KB Output is correct
2 Correct 3 ms 1788 KB Output is correct
3 Correct 3 ms 1788 KB Output is correct
4 Correct 4 ms 1788 KB Output is correct
5 Correct 3 ms 1788 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1788 KB Output is correct
2 Correct 3 ms 1788 KB Output is correct
3 Correct 3 ms 1788 KB Output is correct
4 Correct 3 ms 1788 KB Output is correct
5 Correct 4 ms 1788 KB Output is correct
6 Correct 3 ms 1788 KB Output is correct
7 Correct 3 ms 1792 KB Output is correct
8 Correct 3 ms 1880 KB Output is correct
9 Correct 3 ms 1880 KB Output is correct
10 Correct 4 ms 1880 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1880 KB Output is correct
2 Correct 4 ms 1880 KB Output is correct
3 Correct 4 ms 1880 KB Output is correct
4 Correct 3 ms 1880 KB Output is correct
5 Correct 3 ms 1880 KB Output is correct
6 Correct 3 ms 1880 KB Output is correct
7 Correct 4 ms 1880 KB Output is correct
8 Correct 3 ms 1892 KB Output is correct
9 Correct 4 ms 1892 KB Output is correct
10 Correct 4 ms 1892 KB Output is correct
11 Correct 29 ms 2332 KB Output is correct
12 Correct 19 ms 2460 KB Output is correct
13 Correct 20 ms 3096 KB Output is correct
14 Correct 17 ms 3096 KB Output is correct
15 Correct 28 ms 4196 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4196 KB Output is correct
2 Correct 2 ms 4196 KB Output is correct
3 Incorrect 2 ms 4196 KB Output isn't correct

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4196 KB Output is correct
2 Correct 2 ms 4196 KB Output is correct
3 Incorrect 2 ms 4196 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4196 KB Output is correct
2 Correct 2 ms 4196 KB Output is correct
3 Incorrect 3 ms 4196 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4196 KB Output is correct
2 Correct 2 ms 4196 KB Output is correct
3 Incorrect 2 ms 4196 KB Output isn't correct
4 Halted 0 ms 0 KB -