oj.uz

Submission #235808

# Submission time Handle Problem Language Result Execution time Memory
235808 2020-05-30T01:56:51 Z DanerZein Gondola (IOI14_gondola) C++14
60 / 100
 45 ms 5120 KB 
#include "gondola.h"
#include <bits/stdc++.h>
#define MAX 100000000
#define mod 1000000009
using namespace std;
typedef pair<int,int> ii;
int valid(int n, int inputSeq[])
{
  set<int>s;
  int id,mi;
  mi=MAX;
  id=0;
  for(int i=0;i<n;i++){
    if(mi>inputSeq[i]){
      id=i;
      mi=inputSeq[i];
    }
    s.insert(inputSeq[i]);
  }
  bool sw=0;
  int vis[100000];
  memset(vis,0,sizeof vis);
  if(mi<=n){
    //  cout<<"hi"<<endl;
    int j=id;
    int aux=mi;
    while(true){
      if(vis[j]!=0) break;
      if(j==n) j=0;
      if(aux==n+1) aux=1;
      if(inputSeq[j]<=n){
	//	cout<<inputSeq[j]<<" "<<aux<<" "<<j<<endl;
	if(inputSeq[j]!=aux) return 0;
      }
      vis[j]=1;
      j++;
      aux++;
    }
    //cout<<"1"<<endl;
    if(s.size()!=n) return 0;
    return 1;
  }
  if(s.size()!=n) return 0;
  else return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  vector<bool> nf(250010,false);
  vector<ii> gn;
  int mi=MAX,id;
  for(int i=0;i<n;i++){
    if(mi>gondolaSeq[i]){
      mi=gondolaSeq[i];
      id=i;
    }
    //mi=min(mi,gondolaSeq[i]);
    if(gondolaSeq[i]>n){
      gn.push_back(ii(gondolaSeq[i],-1));
    }
    else{
      nf[gondolaSeq[i]]=true;
    }
  }
  vector<int> go,gon(n,-1);
  if(mi>n){
    for(int i=0;i<n;i++){
      gon[i]=(i+1);
    }
  }
  else{
    int j=id;
    int aux=mi;
    while(true){
      if(j==gon.size()) j=0;
      if(gon[j]!=-1) break;
      gon[j]=aux;
      if(aux==n){
	aux=0;
      }
      aux++;
      j++;
    }
  }
  int j=0;
  for(int i=0;i<gon.size();i++){
    //     cout<<gon[i]<<" ";
    if(nf[gon[i]]==false){
      gn[j].second=gon[i];
      j++;
    }
  }
  // cout<<endl;
  int ga=n+1;
  j=0;
  int t=0;
  sort(gn.begin(),gn.end());
  /* for(int i=0;i<gn.size();i++){
    cout<<gn[i]<<" ";
  }
  cout<<endl;
  for(int i=0;i<go.size();i++){
    cout<<go[i]<<" ";
  }
  cout<<endl;*/
  for(int i=0;i<gn.size();i++){
    replacementSeq[j]=gn[i].second;
    j++;
    t++;
    while(true){
      if(ga==gn[i].first){
	ga++;
	break;
      }
      // ga++;
      replacementSeq[j]=ga;
      ga++;
      j++;
      t++;
    }
  }
  //cout<<t<<endl;
  return t;
}

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

int countReplacement(int n, int inputSeq[])
{
  //cout<<"hi"<<endl;
  //cout<<valid(n,inputSeq)<<endl;
  if(valid(n,inputSeq)){
    vector<long long>gn;
    for(int i=0;i<n;i++){
      if(inputSeq[i]>n){
	gn.push_back(inputSeq[i]);
      }
    }
    long long gr=n+1;
    long long j=0;
    long long r=1;
    if(gn.size()==n) r=n;
    sort(gn.begin(),gn.end());
    while(true){
      //   cout<<j<<" "<<gn[j]<<" "<<gr<<" "<<r<<endl;
      if(j==gn.size()) break;
      int aux=abs(gn[j]-gr)-1;
      /*       if(gr==gn[j]){
	gr++;
	j++;
	continue;
	}*/
      if(aux>1)
      r=(r%mod*((gn.size()-j)*aux)%mod)%mod;
      //gr++;
      gr=gn[j];
       j++;
    }
    return r;
  }
  else {
    return 0;}
}

Compilation message

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:40:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(s.size()!=n) return 0;
        ~~~~~~~~^~~
gondola.cpp:43:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(s.size()!=n) return 0;
      ~~~~~~~~^~~
gondola.cpp:20:8: warning: unused variable 'sw' [-Wunused-variable]
   bool sw=0;
        ^~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:77:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if(j==gon.size()) j=0;
          ~^~~~~~~~~~~~
gondola.cpp:88:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<gon.size();i++){
               ~^~~~~~~~~~~
gondola.cpp:108:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<gn.size();i++){
               ~^~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:144:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(gn.size()==n) r=n;
        ~~~~~~~~~^~~
gondola.cpp:148:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if(j==gn.size()) break;
          ~^~~~~~~~~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:77:11: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
       if(j==gon.size()) j=0;
          ~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Correct 5 ms 768 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 5 ms 768 KB Output is correct
6 Correct 17 ms 2560 KB Output is correct
7 Correct 37 ms 4096 KB Output is correct
8 Correct 29 ms 4352 KB Output is correct
9 Correct 13 ms 1920 KB Output is correct
10 Correct 33 ms 4992 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Correct 5 ms 768 KB Output is correct
6 Correct 17 ms 2688 KB Output is correct
7 Correct 39 ms 4088 KB Output is correct
8 Correct 30 ms 4352 KB Output is correct
9 Correct 12 ms 1920 KB Output is correct
10 Correct 33 ms 4984 KB Output is correct
11 Correct 5 ms 640 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 21 ms 2432 KB Output is correct
14 Correct 5 ms 768 KB Output is correct
15 Correct 45 ms 5120 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 6 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 17 ms 1024 KB Output is correct
12 Correct 19 ms 1016 KB Output is correct
13 Correct 21 ms 1392 KB Output is correct
14 Correct 16 ms 1024 KB Output is correct
15 Correct 26 ms 2296 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 800 KB Output is correct
3 Correct 5 ms 768 KB Output is correct

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 896 KB Output is correct
4 Correct 6 ms 672 KB Output is correct
5 Incorrect 5 ms 744 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Incorrect 5 ms 768 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 768 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Incorrect 5 ms 640 KB Output isn't correct
6 Halted 0 ms 0 KB -