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Submission #974635

# Submission time Handle Problem Language Result Execution time Memory
974635 2024-05-03T14:48:02 Z hariaakas646 Gondola (IOI14_gondola) C++14
75 / 100
 41 ms 4736 KB 
#include "gondola.h"
#include <bits/stdc++.h>

using namespace std;

#define scd(t) scanf("%d", &t)
#define sclld(t) scanf("%lld", &t)
#define forr(i, j, k) for (int i = j; i < k; i++)
#define frange(i, j) forr(i, 0, j)
#define all(cont) cont.begin(), cont.end()
#define mp make_pair
#define pb push_back
#define f first
#define s second
typedef long long int lli;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<lli> vll;
typedef vector<string> vs;
typedef vector<pii> vii;
typedef vector<vi> vvi;
typedef map<int, int> mpii;
typedef set<int> seti;
typedef multiset<int> mseti;
typedef long double ld;

int valid(int n, int inputSeq[])
{
  pii mi = mp(2e9, 1e9);
  seti st;
  frange(i, n) {
    mi = min(mi, mp(inputSeq[i], i));
    st.insert(inputSeq[i]);
  }
  if(st.size() != n) return 0;
  if(mi.f > n) return 1;
  int v = mi.f;
  forr(i, mi.s, n) {
    if(inputSeq[i] <= n) {
      if(inputSeq[i] != v) return 0;
    }
    v++;
  }
  forr(i, 0, mi.s) {
    if(inputSeq[i] <= n) {
      if(inputSeq[i] != v) return 0;
    }
    v++;
  }
  return 1;
}

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

int replacement(int n, int inputSeq[], int replacementSeq[])
{
  pii mi = mp(2e9, 1e9);
  int ma = 0;
  vi pos(3e5+1, -1);
  frange(i, n) {
    mi = min(mi, mp(inputSeq[i], i));
    ma = max(ma, inputSeq[i]);
    pos[inputSeq[i]] = i;
  }
  
  if(mi.f > n) {
    int v = pos[ma]+1;
    pos[ma] = -1;
    forr(i, n+1, ma+1) {
      if(pos[i] == -1) {
        replacementSeq[i-(n+1)] = v;
        v = i;
      }
      else {
        replacementSeq[i-(n+1)] = pos[i]+1;
      }
    }
  }
  else {
    vi val(n);
    int v1 = mi.f;
    frange(i, n) {
      val[i] = ((v1-1) + (i-mi.s) + n) % n + 1; 
      // printf("%d ", val[i]);
    }

    int v = val[pos[ma]];
    pos[ma] = -1;
    forr(i, n+1, ma+1) {
      // printf("%d\n", i);
      if(pos[i] == -1) {
        // printf("%d\n", v);
        replacementSeq[i-(n+1)] = v;
        v = i;
      }
      else {

        replacementSeq[i-(n+1)] = val[pos[i]];
      }
    }

  }
  return ma-n;
}

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

int countReplacement(int n, int inputSeq[])
{
  const lli mod = 1e9 + 9;
  if(!valid(n, inputSeq)) return 0;
  lli out = 1;
  int ma = 0;
  int c = n;
  seti st;
  frange(i, n) {ma = max(ma, inputSeq[i]); st.insert(inputSeq[i]);}
  frange(i, n) {
    if(inputSeq[i] <= n) c--;
  }
  forr(i, n+1, ma+1) {
    if(st.find(i) == st.end()) {
      out = (out * c) %mod;
    }
    else {
      c--;
    }
  }
  return out;
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:36:16: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |   if(st.size() != n) return 0;
      |      ~~~~~~~~~~^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 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 0 ms 348 KB Output is correct
6 Correct 8 ms 2276 KB Output is correct
7 Correct 20 ms 3676 KB Output is correct
8 Correct 15 ms 4008 KB Output is correct
9 Correct 6 ms 1368 KB Output is correct
10 Correct 23 ms 4444 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 9 ms 2204 KB Output is correct
7 Correct 21 ms 3672 KB Output is correct
8 Correct 15 ms 3932 KB Output is correct
9 Correct 5 ms 1372 KB Output is correct
10 Correct 19 ms 4444 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 10 ms 2140 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 33 ms 4736 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1372 KB Output is correct
2 Correct 1 ms 1624 KB Output is correct
3 Correct 1 ms 1372 KB Output is correct
4 Correct 1 ms 1792 KB Output is correct
5 Correct 1 ms 1624 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1372 KB Output is correct
3 Correct 1 ms 1372 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 2 ms 1628 KB Output is correct
10 Correct 1 ms 1624 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1624 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1628 KB Output is correct
11 Correct 8 ms 2140 KB Output is correct
12 Correct 9 ms 2392 KB Output is correct
13 Correct 9 ms 2140 KB Output is correct
14 Correct 8 ms 2140 KB Output is correct
15 Correct 15 ms 2316 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 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 0 ms 344 KB Output is correct
9 Correct 41 ms 4444 KB Output is correct
10 Correct 32 ms 3908 KB Output is correct
11 Correct 13 ms 1628 KB Output is correct
12 Correct 15 ms 1884 KB Output is correct
13 Incorrect 5 ms 604 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 0 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 0 ms 348 KB Output is correct
9 Correct 41 ms 4412 KB Output is correct
10 Correct 32 ms 3932 KB Output is correct
11 Correct 13 ms 1732 KB Output is correct
12 Correct 15 ms 1884 KB Output is correct
13 Incorrect 5 ms 600 KB Output isn't correct
14 Halted 0 ms 0 KB -