oj.uz

Submission #466584

# Submission time Handle Problem Language Result Execution time Memory
466584 2021-08-19T17:11:51 Z Carmel_Ab1 Gondola (IOI14_gondola) C++17
75 / 100
 27 ms 2468 KB 
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
typedef long long ll;

#include "gondola.h"
//#include "grader.cpp"
#define pb push_back
#define all(x) x.begin(),x.end()
#define print(x) {for(auto it:x){cout << it << " "; }cout << "\n";}
int valid(int n, int inputSeq[]){
    vi a(n);
    for(int i=0; i<n; i++)
        a[i]=inputSeq[i];
    vi s(a);
    sort(all(s));
    for(int i=0; i<n-1; i++)
        if(s[i]==s[i+1])
            return 0;
    int f=-1;
    for(int i=0; i<n; i++)
        if(a[i]<=n)
            f=i;
    for(int i=0; i<n; i++)
        if(a[i]<=0)
            return 0;
    if(f==-1)return 1;
    for(int i=0,j=a[f]; i<n; j=((j%n) +1),i++){
        int cur=a[(i+f)%n];
        if(cur!=j && cur<=n)
            return 0;
    }
    return 1;
}

int replacement(int n, int a[], int rep[]){
    vi ans,org(n+1);
    int f=-1;
    for(int i=0; i<n; i++)
        if(a[i]<=n)
            f=i;
    if(f==-1)
        for(int i=0; i<n; i++)
            org[i]=i+1;
    else
        for(int i=0,j=a[f]; i<n; j=((j%n) +1),i++){
            int cur=a[(i+f)%n];
            org[(i+f)%n]=j;
        }
    vector<pair<int,int>>s;
    for(int i=0; i<n; i++)
        s.push_back({a[i],i});
    sort(all(s));
    vector<bool>has(250001);
    for(int i=0; i<n; i++)
        has[a[i]]=1;
    for(int i=0,j=n+1; i<n; i++){
        if(s[i].first<=n)continue;
        ans.pb(org[s[i].second]);
        while(!has[j]){
            has[j]=1;
            ans.pb(j);
            j++;
        }
        j++;
    }

    for(int i=0; i<ans.size(); i++)
        rep[i]=ans[i];
    return ans.size();
}
ll power(ll a,ll b,ll m){
    if(b==0)return 1;
    else if(b==1)return a;
    ll r=power(a,b/2,m);
    ll ans=(r*r)%m;
    if(b%2)ans=(ans*a)%m;
    return ans;
}
int countReplacement(int n, int inputSeq[]){
    if(!valid(n,inputSeq))
        return 0;
    vi a(n);
    for(int i=0; i<n ;i++)
        a[i]=inputSeq[i];
    sort(all(a));
    const ll m=1e9+9;
    ll ans=1,cnt=0;
    for(int i=0; i<n; i++)
        if(a[i]>n)
            cnt++;
    for(int i=n+1; cnt>1; i++){
        if(binary_search(all(a),i))
            cnt--;
        else
            ans=(ans*cnt)%m;
    }
    return ans;
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:47:17: warning: unused variable 'cur' [-Wunused-variable]
   47 |             int cur=a[(i+f)%n];
      |                 ^~~
gondola.cpp:68:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for(int i=0; i<ans.size(); i++)
      |                  ~^~~~~~~~~~~

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 1 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 #2
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 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 8 ms 756 KB Output is correct
7 Correct 16 ms 1344 KB Output is correct
8 Correct 12 ms 1100 KB Output is correct
9 Correct 7 ms 460 KB Output is correct
10 Correct 18 ms 1292 KB Output is correct

Subtask #3
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 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 10 ms 716 KB Output is correct
7 Correct 16 ms 1336 KB Output is correct
8 Correct 12 ms 1104 KB Output is correct
9 Correct 5 ms 460 KB Output is correct
10 Correct 17 ms 1292 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 7 ms 716 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 17 ms 1276 KB Output is correct

Subtask #4
5.0 / 5.0

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

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 1 ms 332 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 15 ms 2036 KB Output is correct
12 Correct 16 ms 2116 KB Output is correct
13 Correct 18 ms 1592 KB Output is correct
14 Correct 14 ms 2008 KB Output is correct
15 Correct 25 ms 2468 KB Output is correct

Subtask #7
5.0 / 5.0

# 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 0 ms 204 KB Output is correct

Subtask #8
15.0 / 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 0 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 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct

Subtask #9
0 / 15.0

# 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 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 27 ms 1040 KB Output is correct
10 Correct 22 ms 1016 KB Output is correct
11 Correct 11 ms 516 KB Output is correct
12 Correct 11 ms 588 KB Output is correct
13 Incorrect 5 ms 332 KB Output isn't correct

Subtask #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 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 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 27 ms 1180 KB Output is correct
10 Correct 21 ms 968 KB Output is correct
11 Correct 11 ms 460 KB Output is correct
12 Correct 11 ms 588 KB Output is correct
13 Incorrect 5 ms 384 KB Output isn't correct
14 Halted 0 ms 0 KB -