제출 #166742

#제출 시각아이디문제언어결과실행 시간메모리
166742alanhpereira곤돌라 (IOI14_gondola)C++11
20 / 100
16 ms2140 KiB
#include "gondola.h"
#define MAX 250050

int used[MAX];

int valid(int n, int inputSeq[]) {
	for (int i = 0; i < MAX; i++)
		used[i] = 0;
	int basePos = -1, base = -1;
	for (int i = 0; i < n; i++) {
		if (inputSeq[i] <= n) {
			if (basePos == -1) {
				basePos = i;
				base = inputSeq[i];
			}
			else {
				if (inputSeq[i] != (i - basePos + base - 1) % n + 1)
					return 0;
			}
		}
		else {
			if (used[inputSeq[i]]) return 0;
			used[inputSeq[i]] = 1;
		}
	}
	return 1;
}

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

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

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

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