제출 #706122

#제출 시각아이디문제언어결과실행 시간메모리
706122LLLLLLLLLLLLLLLLLLLLLLL곤돌라 (IOI14_gondola)C++14
20 / 100
29 ms5100 KiB
#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;

const int MOD = 1e9 + 9;

int valid(int n, int v[]){
    set<int> s(v, v + n);
    if((int) s.size() != n) return 0;

    for(int i = 0; i < n; i++){
        if(v[i] > n) continue;

        int left = (v[i] == 1 ? n : v[i] - 1), right = (v[i] == n ? 1 : v[i] + 1);

        int lefViz = (i == 0 ? v[n - 1] : v[i - 1]);
        int rigViz = (i == n - 1 ? v[0] : v[i + 1]);

        if((lefViz != left && lefViz <= n) || (rigViz != right && rigViz <= n)) return 0;
    }

    return 1;
}

int countReplacement(int n, int v[]){
    if(!valid(n, v)) return 0;
}

int replacement(int n, int v[], int g[]){
    int gondola = -1;

    for(int i = 0; i < n; i++)
        if(v[i] > n) gondola = i;

    if(gondola == -1) return 0;

    g[0] = gondola;
    return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type]
   27 | }
      | ^
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