oj.uz

Submission #433774

# Submission time Handle Problem Language Result Execution time Memory
433774 2021-06-20T10:37:59 Z medmdg Gondola (IOI14_gondola) C++14
60 / 100
 23 ms 2116 KB 
#include<bits/stdc++.h>
#include "gondola.h"
#define ll  long long
using namespace std;
int valid(int n, int inputSeq[])
{
  int h=1;
  for(int i=1;i<n;i++){
    if(inputSeq[i]!=(inputSeq[i-1]%n+1))
        h=0;
  }
  return h;
}
int replacement(int n, int gs[], int rs[])
{
  vector<pair<ll,ll> > fi(n);
  fi[0]=make_pair(-1,-1);
    for(int i=0;i<n;i++){
    if(gs[i]<=n){
        for(int j=i;j<i+n;j++){
            fi[j%n]=make_pair(-gs[j%n],(gs[i]-1+(j-i))%n+1);
        }
        break;
    }
  }
  ll pt=0;
  if(fi[0].second==-1)
  for(int i=0;i<n;i++){
    fi[i]=make_pair(-gs[i],i+1);
  }
  sort(fi.begin(),fi.end());
  ll ind=n+1;
  while(fi.size()){
    ll k=fi.size()-1;

    while(ind<=-fi[k].first){
        rs[pt]=fi[k].second;
        fi[k].second=ind;
        ind++;
        pt++;

    }
    fi.pop_back();
  }
  return pt;
}
const ll M=1000000007;
ll exp(ll a, ll b){
    ll val=1;
    ll cur=1;
    while(b){
        cur*=a;
        cur%=M;
        if(b&1) val*=cur;
        b/=2;
        val%=M;
    }
    return val;
}
//----------------------

int countReplacement(int n, int gs[])
{
  ll ans=1;
  bool h;
  vector<pair<ll,ll> > fi(n);
  fi[0]=make_pair(-1,-1);
    for(int i=0;i<n;i++){
    if(gs[i]<=n){
        for(int j=i;j<i+n;j++){
            fi[j%n]=make_pair(-gs[j%n],(gs[i]-1+(j-i))%n+1);
        }
        break;
    }
  }
  ll pt=0;
  h=(fi[0].second==-1);
  if(fi[0].second==-1)
  for(int i=0;i<n;i++){
    fi[i]=make_pair(-gs[i],i+1);
  }
  sort(fi.begin(),fi.end());
  ll ind=n+1;ll rest=n;
  while(fi.size()){
    ll k=fi.size()-1;
    if(ind>=-fi[k].first){
        fi.pop_back();
        rest--;
        continue;
    }
    while(ind<-fi[k].first){
        ans*=rest;
        ind++;
        ans%=M;
    }
  }
  if(h)
    ans*=n;
    ans%=M;
    return ans;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:97:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   97 |   if(h)
      |   ^~
gondola.cpp:99:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   99 |     ans%=M;
      |     ^~~
gondola.cpp:76:6: warning: unused variable 'pt' [-Wunused-variable]
   76 |   ll pt=0;
      |      ^~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 5 ms 332 KB Output is correct
7 Correct 12 ms 524 KB Output is correct
8 Correct 9 ms 460 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 12 ms 580 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 5 ms 332 KB Output is correct
7 Correct 11 ms 588 KB Output is correct
8 Correct 9 ms 524 KB Output is correct
9 Correct 3 ms 332 KB Output is correct
10 Correct 10 ms 588 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 11 ms 588 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 19 ms 1740 KB Output is correct
12 Correct 21 ms 2004 KB Output is correct
13 Correct 18 ms 1188 KB Output is correct
14 Correct 23 ms 1740 KB Output is correct
15 Correct 23 ms 2116 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 300 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Incorrect 1 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Incorrect 0 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Incorrect 1 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -