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Submission #819722

# Submission time Handle Problem Language Result Execution time Memory
819722 2023-08-10T12:57:37 Z kebine Gondola (IOI14_gondola) C++17
55 / 100
 45 ms 5792 KB 
#include <bits/stdc++.h>
#include "gondola.h"
#define ll long long
#define mod 1000000007
using namespace std;

int n;
int inputSeq[1000];

ll binpow(ll x,ll y){
  if( y == 0 ) return 1;
  ll res = binpow(x,y/2);
  res *= res;
  res %= mod;
  if( y % 2 ) res *= x;
  return res%mod;
}
int replacement(int n, int inputSeq[], int replacementSeq[]){
  int mn = INT_MAX;
  int id;
  for(int i = 0 ; i < n ; i++){
    if( mn > inputSeq[i] ){
      mn = inputSeq[i];
      id = i;
    }
  }
  vector<int> v;
  mn--;
  id = (id-mn)%n+n;
  id %= n;
  for(int i =  id ; i < n ; i++) v.push_back(inputSeq[i]);
  for(int i = 0 ; i < id ; i++) v.push_back(inputSeq[i]);
  priority_queue<pair<int,int>> pq;
  for(int i = 0  ; i < n ; i++){
    pq.push({-v[i],i+1});
  }
  int mx = *max_element(v.begin(),v.end());
  if( mx == n ) return 0;
  int cur = n+1;
  int ti = 0;
  while(!pq.empty()){
    int fufu = pq.top().second;
    while(cur <= -pq.top().first){
      replacementSeq[ti] = fufu;
      fufu = cur;
      ti++;
      cur++;
    }
    pq.pop();
  }
  //~ for(int i = 0; i < mx-n ; i++){
    //~ cout<<replacementSeq[i]<<" ";
  //~ }
  //~ cout<<"\n";
  return mx-n;
}

int valid(int n,int inputSeq[]){
  int mn = INT_MAX;
  int id;
  map<int,int> cnt;
  for(int i = 0 ; i < n ; i++){
    cnt[inputSeq[i]]++;
    if( cnt[inputSeq[i]] > 1 ) return 0;
  }
  for(int i = 0 ; i < n ; i++){
    if( mn > inputSeq[i] ){
      mn = inputSeq[i];
      id = i;
    }
  }
  if( mn > n ) return 1;
  vector<int> v;
  mn--;
  id = (id-mn)%n+n;
  id %= n;
  for(int i =  id ; i < n ; i++) v.push_back(inputSeq[i]);
  for(int i = 0 ; i < id ; i++) v.push_back(inputSeq[i]);
  for(int i = 0 ; i < n ; i++){
    if( v[i] <= n && v[i] != i+1 ) return 0;
  }
  return 1;
}

int countReplacement(int n, int inputSeq[]){
  if(!valid(n,inputSeq)) return 0;
  ll mx = *max_element(inputSeq,inputSeq+n);
  ll u = mx;
  mx -= n;
  ll c = 0;
  for(int i = 0 ; i < n ; i++){
    int x = inputSeq[i];
    if( x > n ) {
      c++;
      mx--;
    }
  }
  ll fact[mx+5];
  fact[0] = fact[1] = 1;
  for(ll i = 2; i <= n ; i++){
    fact[i] = fact[i-1]*i;
    fact[i] %= mod;
  }
  if( u <= n ) return binpow(fact[c],mx);
  else return (binpow(fact[c],mx)*fact[n])%mod;
}


//~ int main(){
  //~ ios_base::sync_with_stdio(false);
  //~ cin.tie(0);
  //~ cout.tie(0);
  //~ cin>>n;
  //~ for(int i = 0 ; i < n ; i++){
    //~ cin>>inputSeq[i];
  //~ }
  //~ cout<<countReplacement(n,inputSeq)<<"\n";
//~ }

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:29:11: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
   29 |   id = (id-mn)%n+n;
      |        ~~~^~~~
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:75:11: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
   75 |   id = (id-mn)%n+n;
      |        ~~~^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 10 ms 2828 KB Output is correct
7 Correct 7 ms 1108 KB Output is correct
8 Correct 19 ms 4904 KB Output is correct
9 Correct 6 ms 1748 KB Output is correct
10 Correct 29 ms 5592 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 10 ms 2772 KB Output is correct
7 Correct 9 ms 1088 KB Output is correct
8 Correct 20 ms 4944 KB Output is correct
9 Correct 6 ms 1788 KB Output is correct
10 Correct 30 ms 5604 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 16 ms 2608 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 45 ms 5792 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 304 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 236 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 10 ms 2488 KB Output is correct
12 Correct 8 ms 2616 KB Output is correct
13 Correct 17 ms 1424 KB Output is correct
14 Correct 8 ms 2432 KB Output is correct
15 Correct 17 ms 2344 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -