Submission #589094

#	Time	Username	Problem	Language	Result	Execution time	Memory
589094		FatihSolak	Gondola (IOI14_gondola)	C++17	55 / 100	70 ms	10208 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[]){
	set<int> s;
	map<int,int> pos;
	for(int i = 0;i<n;i++){
		s.insert(inputSeq[i]);
		pos[inputSeq[i]] = i;
	}
	if(s.size() != n)return 0;
	int num = *s.begin() + 1;
	while(num <= n){
		if(pos[num] != (pos[num-1] + 1)%n){
			return 0;
		}
		num++;
	}
	return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
	int pos_mini = 0;
	int maxi = 0;
	for(int i = 0;i<n;i++){
		if(gondolaSeq[i] < gondolaSeq[pos_mini]){
			pos_mini = i;
		}
		maxi = max(maxi,gondolaSeq[i]);
	}
	for(int i = 0;i<n;i++){
		if(gondolaSeq[i] <= n){
			pos_mini = (i - gondolaSeq[i]  + 1 + n)%n;
		}
	}
	int tmp[n];
	map<int,int> mp;
	for(int i = 0;i<n;i++)tmp[i] = gondolaSeq[i];
	for(int i = 0;i<n;i++){
		gondolaSeq[i] = tmp[(pos_mini + i)%n];
		mp[gondolaSeq[i]] = i + 1;
		//cout << gondolaSeq[i] << " ";
	}
	//cout << endl;
	for(int i = n+1;i<=maxi;i++){
		if(mp[i]){
			replacementSeq[i - n - 1] = mp[i];
		}
		else{
			replacementSeq[i - n - 1] = mp[maxi];
			mp[maxi] = i;
		}
	}
	return maxi - n;
}

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:11:14: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   11 |  if(s.size() != n)return 0;
      |     ~~~~~~~~~^~~~

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