Submission #521280

#	Time	Username	Problem	Language	Result	Execution time	Memory
521280		sofapuden	Gondola (IOI14_gondola)	C++14	25 / 100	36 ms	5084 KiB

gondola

#include "gondola.h"
#include<bits/stdc++.h>

using namespace std;

int valid(int n, int inputSeq[]){
	set<int> S;
	int x = 0;
	for(int i = 0; i < n; ++i){
		if(S.count(inputSeq[i]))return 0;
		S.insert(inputSeq[i]);
		if(inputSeq[i] <= n)x = (inputSeq[i]-i+n-1)%(n)+1;
	}
	for(int i = 0; i < n; ++i){
		if(inputSeq[i] != (x+i-1)%(n)+1 && inputSeq[i] <= n)return 0;
	}
	return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
	vector<pair<int,int>> v;
	int x = 1;
	for(int i = 0; i < n; ++i){
		if(gondolaSeq[i] <= n)x = (gondolaSeq[i]-i+n-1)%(n)+1;
	}
	for(int i = 0; i < n; ++i){
		if(gondolaSeq[i] > n){
			v.emplace_back((x+i-1)%n+1,gondolaSeq[i]);
		}
	}
	sort(v.begin(),v.end());
	int cn = 0;
	for(int i = 0; i < v.size(); ++i){
		replacementSeq[cn++] = v[i].first;
		while(cn + n < v[i].second){
			replacementSeq[cn] = cn+n;
			cn++;
		}
	}
	return cn;
}

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

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

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:35:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |  for(int i = 0; i < v.size(); ++i){
      |                 ~~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 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