Submission #307743

#	Time	Username	Problem	Language	Result	Execution time	Memory
307743		juggernaut	Gondola (IOI14_gondola)	C++14	20 / 100	17 ms	768 KiB

gondola

#include"gondola.h"
#include<bits/stdc++.h>
//#include"grader.cpp"
using namespace std;
int valid(int n,int a[]){
    int i=0,need;
    while(i<n&&a[i]>n)i++;
    need=a[i];
    while(i<n){
        if(a[i]<=n&&a[i]!=need)return 0;
        if(need==n)need=1;
        else need++;
        i++;
    }
    sort(a,a+n);
    for(i=1;i<n;i++)if(a[i]==a[i-1])return 0;
    return 1;
}
int replacement(int n,int a[],int ans[]){
    vector<int>res;
    vector<int>b;
    int i=0,need=1,j,mx=0;
    while(i<n&&a[i]>n)i++;
    if(i!=n)need=a[i];
    j=i;
    while(j<n){
        mx=max(mx,a[j]);
        if(a[j]>n)res.push_back(need);
        else b.push_back(a[j]);
        if(need==n)need=1;
        else need++;
        j++;
    }
    j=0;
    while(j<i){
        mx=max(mx,a[j]);
        if(a[j]>n)res.push_back(need);
        else b.push_back(a[j]);
        if(need==n)need=1;
        else need++;
        j++;
    }
    sort(b.rbegin(),b.rend());
    for(i=n+1;i<=mx;i++){
        if(i==b.back())b.pop_back();
        else res.push_back(i);
    }
    for(int i=0;i<res.size();i++)ans[i]=res[i];
    return int(res.size());
}
int countReplacement(int n,int inputSeq[]){
    return -3;
}

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:48:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |     for(int i=0;i<res.size();i++)ans[i]=res[i];
      |                 ~^~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10