oj.uz

Submission #39716

# Submission time Handle Problem Language Result Execution time Memory
39716 2018-01-18T01:33:50 Z funcsr Gondola (IOI14_gondola) C++14
90 / 100
 23 ms 7576 KB 
#include "gondola.h"
#include <iostream>
#include <vector>
#include <cassert>
#include <set>
#include <algorithm>
using namespace std;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(x) x.begin(), x.end()
#define MOD 1000000009

int A[100000], cur[100000];
int cnt[250000];
bool glock;
int valid(int N, int inputSeq[]) {
  rep(i, 250000) cnt[i] = 0;
  rep(i, N) A[i] = inputSeq[i]-1;
  rep(i, N) cnt[A[i]]++;
  rep(i, 250000) if (cnt[i] > 1) return 0;
  int base = -1;
  rep(i, N) if (A[i] < N) base = (A[i]-i+N)%N;
  rep(i, N) cur[i] = (i+max(0,base))%N;
  glock = false;
  if (base == -1) return 1;
  glock = true;
  rep(i, N) if (A[i] < N && A[i] != cur[i]) return 0;
  return 1;
}

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

int rev[250000];
int replacement(int N, int gondolaSeq[], int replacementSeq[]) {
  set<int> unused;
  assert(valid(N, gondolaSeq));
  rep(i, N) rev[A[i]] = i;
  rep(i, N) if (A[i] >= N) unused.insert(i);
  int m = *max_element(A, A+N);
  int c = 0;
  for (int i=N; i<=m; i++) {
    int p = -1;
    if (cnt[i]) {
      p = rev[i];
      unused.erase(rev[i]);
    }
    else p = *unused.begin();
    replacementSeq[c++] = cur[p]+1;
    cur[p] = i;
  }
  return c;
}

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

int countReplacement(int N, int inputSeq[]) {
  if (valid(N, inputSeq) == 0) return 0;
  int unused = 0;
  rep(i, N) if (A[i] >= N) unused++;
  int m = *max_element(A, A+N);
  int s = 1;
  if (!glock) s *= N;
  int c = 0;
  for (int i=N; i<=m; i++) {
    int p = -1;
    if (cnt[i]) {
      p = rev[i];
      unused--;
    }
    else {
      s = (1LL*s*unused)%MOD;
    }
  }
  return s;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:64:9: warning: variable 'p' set but not used [-Wunused-but-set-variable]
     int p = -1;
         ^
gondola.cpp:62:7: warning: unused variable 'c' [-Wunused-variable]
   int c = 0;
       ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6124 KB Output is correct
2 Correct 1 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct
4 Correct 1 ms 6124 KB Output is correct
5 Correct 1 ms 6124 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6124 KB Output is correct
2 Correct 1 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct
4 Correct 1 ms 6124 KB Output is correct
5 Correct 1 ms 6124 KB Output is correct
6 Correct 7 ms 6124 KB Output is correct
7 Correct 14 ms 6124 KB Output is correct
8 Correct 11 ms 6124 KB Output is correct
9 Correct 4 ms 6124 KB Output is correct
10 Correct 13 ms 6124 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6124 KB Output is correct
2 Correct 1 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct
4 Correct 1 ms 6124 KB Output is correct
5 Correct 1 ms 6124 KB Output is correct
6 Correct 6 ms 6124 KB Output is correct
7 Correct 2 ms 6124 KB Output is correct
8 Correct 12 ms 6124 KB Output is correct
9 Correct 4 ms 6124 KB Output is correct
10 Correct 13 ms 6124 KB Output is correct
11 Correct 0 ms 6124 KB Output is correct
12 Correct 1 ms 6124 KB Output is correct
13 Correct 7 ms 6124 KB Output is correct
14 Correct 1 ms 6124 KB Output is correct
15 Correct 15 ms 6124 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6124 KB Output is correct
2 Correct 1 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct
4 Correct 1 ms 6124 KB Output is correct
5 Correct 1 ms 6124 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6124 KB Output is correct
2 Correct 0 ms 6124 KB Output is correct
3 Correct 0 ms 6124 KB Output is correct
4 Correct 0 ms 6124 KB Output is correct
5 Correct 1 ms 6124 KB Output is correct
6 Correct 1 ms 6124 KB Output is correct
7 Correct 0 ms 6124 KB Output is correct
8 Correct 1 ms 6124 KB Output is correct
9 Correct 1 ms 6124 KB Output is correct
10 Correct 2 ms 6124 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6124 KB Output is correct
2 Correct 0 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct
4 Correct 1 ms 6124 KB Output is correct
5 Correct 1 ms 6124 KB Output is correct
6 Correct 1 ms 6124 KB Output is correct
7 Correct 1 ms 6124 KB Output is correct
8 Correct 1 ms 6124 KB Output is correct
9 Correct 1 ms 6124 KB Output is correct
10 Correct 2 ms 6124 KB Output is correct
11 Correct 10 ms 6124 KB Output is correct
12 Correct 16 ms 6124 KB Output is correct
13 Correct 23 ms 7576 KB Output is correct
14 Correct 13 ms 6124 KB Output is correct
15 Correct 16 ms 6916 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6124 KB Output is correct
2 Correct 1 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6124 KB Output is correct
2 Correct 1 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct
4 Correct 0 ms 6124 KB Output is correct
5 Correct 0 ms 6124 KB Output is correct
6 Correct 0 ms 6124 KB Output is correct
7 Correct 1 ms 6124 KB Output is correct
8 Correct 1 ms 6124 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6124 KB Output is correct
2 Correct 0 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct
4 Correct 1 ms 6124 KB Output is correct
5 Correct 1 ms 6124 KB Output is correct
6 Correct 1 ms 6124 KB Output is correct
7 Correct 1 ms 6124 KB Output is correct
8 Correct 0 ms 6124 KB Output is correct
9 Correct 14 ms 6124 KB Output is correct
10 Correct 10 ms 6124 KB Output is correct
11 Correct 7 ms 6124 KB Output is correct
12 Correct 7 ms 6124 KB Output is correct
13 Correct 4 ms 6124 KB Output is correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6124 KB Output is correct
2 Correct 1 ms 6124 KB Output is correct
3 Correct 1 ms 6124 KB Output is correct
4 Correct 1 ms 6124 KB Output is correct
5 Correct 0 ms 6124 KB Output is correct
6 Correct 1 ms 6124 KB Output is correct
7 Correct 1 ms 6124 KB Output is correct
8 Correct 1 ms 6124 KB Output is correct
9 Correct 12 ms 6124 KB Output is correct
10 Correct 23 ms 6124 KB Output is correct
11 Correct 7 ms 6124 KB Output is correct
12 Correct 6 ms 6124 KB Output is correct
13 Correct 4 ms 6124 KB Output is correct
14 Runtime error 12 ms 6124 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Halted 0 ms 0 KB -