Submission #1025416

#	Time	Username	Problem	Language	Result	Execution time	Memory
1025416		vjudge1	Gondola (IOI14_gondola)	C++17	20 / 100	20 ms	4500 KiB

gondola

#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[]) {
    int PS=-1;
    set<int>st;
    for(int i=0;i<n;i++){
        st.insert(inputSeq[i]);
        if(inputSeq[i]>n)
            continue;
        int k=n+i-inputSeq[i];
        k%=n;
        if(PS==-1)
            PS=k;
        if(PS-k)
            return 0;
    }
    return 1&&st.size()==n;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}

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

int countReplacement(int n, int inputSeq[])
{
  return -3;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:18:24: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |     return 1&&st.size()==n;
      |               ~~~~~~~~~^~~

• 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