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Submission #1010436

# Submission time Handle Problem Language Result Execution time Memory
1010436 2024-06-29T06:00:53 Z Mardonbekhazratov Gondola (IOI14_gondola) C++17
25 / 100
 29 ms 5200 KB 
#include "gondola.h"
#include<bits/stdc++.h>

using namespace std;

int valid(int n, int inputSeq[]){
    int mn=n,id=-1;
    map<int,int>cnt;
    for(int i=0;i<n;i++){
        cnt[inputSeq[i]]++;
        if(inputSeq[i]<=mn){
            mn=inputSeq[i];
            id=i;
        }
    }
    for(auto [x,y]:cnt){
        if(y>1) return 0;
    }
    if(mn==n) return 1;
    id=(id-mn+1+n)%n;
    for(int i=0;i<n;i++){
        if(inputSeq[(id+i)%n]==i+1 || inputSeq[(id+i)%n]>n) continue;
        return 0;
    }
    return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    const int N=2.5e5;
    vector<int>cnt(N+1,0);
    int mn=N,id=-1,mx=0;
    set<int>s;
    for(int i=0;i<n;i++){
        cnt[gondolaSeq[i]]++;
        if(gondolaSeq[i]<mn){
            mn=gondolaSeq[i];
            id=i;
        }
        mx=max(mx,gondolaSeq[i]);
        if(gondolaSeq[i]<=n) s.insert(gondolaSeq[i]);
    }
    int ans=0,c=1;
    bool ok=false;
    for(int i=n+1;i<=mx;i++){
        while(s.find(c)!=s.end()) c++;
        if(!ok) replacementSeq[ans++]=c++;
        if(cnt[i]){
            ok=false;
        }
        else{
            ok=true;
            replacementSeq[ans++]=i;
        }
    }
    return ans;
}

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

int countReplacement(int n, int inputSeq[]){
    return 0;
}

Compilation message

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:33:14: warning: variable 'id' set but not used [-Wunused-but-set-variable]
   33 |     int mn=N,id=-1,mx=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 444 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 428 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 0 ms 360 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 8 ms 2396 KB Output is correct
7 Correct 19 ms 4188 KB Output is correct
8 Correct 15 ms 4444 KB Output is correct
9 Correct 4 ms 1628 KB Output is correct
10 Correct 17 ms 5152 KB Output is correct

Subtask #3
10.0 / 10.0

# 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 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 10 ms 2396 KB Output is correct
7 Correct 20 ms 4152 KB Output is correct
8 Correct 13 ms 4444 KB Output is correct
9 Correct 4 ms 1628 KB Output is correct
10 Correct 16 ms 5032 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 12 ms 2300 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 29 ms 5200 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 1372 KB Output is correct
3 Correct 1 ms 1372 KB Output is correct
4 Correct 1 ms 1372 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1372 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 1212 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1372 KB Output is correct
7 Incorrect 1 ms 1372 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1372 KB Output is correct
2 Correct 1 ms 1372 KB Output is correct
3 Correct 1 ms 1416 KB Output is correct
4 Correct 1 ms 1368 KB Output is correct
5 Correct 1 ms 1372 KB Output is correct
6 Correct 1 ms 1376 KB Output is correct
7 Incorrect 1 ms 1372 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -