제출 #236947

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
236947		crossing0ver	Gondola (IOI14_gondola)	C++17	20 / 100	33 ms	5760 KiB

gondola

#include<bits/stdc++.h>
#include "gondola.h"
using namespace std;
const int MAXN = 1E5+5;
int n,a[MAXN];
int valid(int n1, int inputSeq[]) {
	n = n1;
	int pos = -1;
	for (int i = 0; i < n; i++) {
		a[i] = inputSeq[i];
		if (a[i] <= n) 
			pos = i;
	}
	if (pos != -1) {
		int x = (a[pos] - pos - 1)%n;
		if (x <0) x+= n;	
		int b[MAXN];
		for (int i = 0; i < n; i++) {
			b[(x + i)%n] = a[i];
		}
		for (int i = 0;i < n; i++)
			a[i] = b[i];
	}
	set<int> s;
	for (int i = 0; i < n; i++) {
		if (a[i] < n) {
			if (a[i] != i + 1) return 0;
		}
		s.insert(a[i]);
	}
	if (s.size() != n) return 0;
	return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[]){ }
int countReplacement(int n, int inputSeq[]){return 0;}
 /*
main() {
	int n;
	cin >> n;
	int inputseq[n];
	for (int i = 0;i  < n; i++)
		cin >> inputseq[i];
	cout << valid(n,inputseq);
}*/

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:31:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if (s.size() != n) return 0;
      ~~~~~~~~~^~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:34:65: warning: no return statement in function returning non-void [-Wreturn-type]
 int replacement(int n, int gondolaSeq[], int replacementSeq[]){ }
                                                                 ^

• 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