Submission #291997

#	Time	Username	Problem	Language	Result	Execution time	Memory
291997		Badrangiikh	Gondola (IOI14_gondola)	C++14	20 / 100	28 ms	2296 KiB

gondola

#include<bits/stdc++.h>
#include "gondola.h"
using namespace std;

int valid(int n, int inputSeq[]){
    vector < pair < int , int > > vec ;
    vector < int > vc ;
    for ( int i = 0 ; i < n ; i ++ ) {
        if ( inputSeq [ i ] <= n ) {
            vec . push_back ( { inputSeq [ i ] , i } ) ;
        }
        vc . push_back ( inputSeq [ i ] ) ;
    }
    sort ( vc . begin ( ) , vc . end ( ) ) ;
    for ( int i = 1 ; i < vc . size ( ) ; i ++ ) {
        if ( vc [ i - 1 ] == vc [ i ] ) return 0 ;
    }
    sort ( vec . begin ( ) , vec . end ( ) ) ;
    for ( int i = 1 ; i < vec . size ( ) ; i ++ ) {
        if ( vec [ i ] . first - vec [ i - 1 ] . first != ( ( vec [ i ] . second - vec [ i - 1 ] . second ) % n + n ) % n ) {
            return 0 ;
        }
    }
    return 1 ; 
}
int replacement(int n, int gondolaSeq[], int replacementSeq[]){
  return 0 ;
}
int countReplacement(int n, int inputSeq[]) {
    return 0 ;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:15:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for ( int i = 1 ; i < vc . size ( ) ; i ++ ) {
      |                       ~~^~~~~~~~~~~~~~~
gondola.cpp:19:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for ( int i = 1 ; i < vec . size ( ) ; 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