제출 #284738

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
284738		Ozy	곤돌라 (IOI14_gondola)	C++17	0 / 100	1 ms	256 KiB

gondola

#include "gondola.h"
using namespace std;
#define rep(i,a,b) for (int i = (a); i <= (b); i++)

int visitados[250002];

int valid(int n, int inputSeq[])
{
    int pos, val, a, dif;
    bool res;

    pos = -1;
    val = -1;
    rep(i,0,n-1) {
        if (inputSeq[i] <= n) {
            pos = i;
            val = inputSeq[i];
            break;
        }
    }
    if (pos == -1) return 1;

    dif = pos - val;

    res = true;
    rep(i,1,n) {

        if (inputSeq[i] <= n) {
            a = inputSeq[i] + pos-val;
            a %= n;
            if (a != i) res = false;
        }

    }

    if (res) return 1;
    else return 0;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    int MAX,res,cont;

    rep(i,0,n-1) visitados[i] = 0;

    MAX = 0;
    rep(i,0,n-1){
        visitados[gondolaSeq[i]] = 1;
        if (gondolaSeq[i] < MAX) MAX = gondolaSeq[i];
    }

    res = MAX - n;
    cont = 0;
    rep (i,1,MAX-1) {
        if (visitados[i] == 0) {
            replacementSeq[cont] = i;
            cont++;
        }
    }

    return res;
}

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

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

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:9:22: warning: variable 'dif' set but not used [-Wunused-but-set-variable]
    9 |     int pos, val, a, dif;
      |                      ^~~

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