제출 #1007230

#제출 시각아이디문제언어결과실행 시간메모리
1007230The_Samurai곤돌라 (IOI14_gondola)C++17
25 / 100
20 ms4644 KiB
#include "gondola.h"
#include "bits/stdc++.h"
using namespace std;

int valid(int n, int a[]) {
    int last = -1;
    set<int> st;
    for (int i = 0; i < n; i++) a[i]--;
    for (int i = 0; i < 2 * n; i++) {
        if (a[i % n] >= n) continue;
        st.insert(a[i % n]);
        if (last != -1 and (a[last % n] + i - last) % n != a[i % n]) return 0;
        last = i;
    }
    return st.size() == n;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
    return 1;
}

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

int countReplacement(int n, int inputSeq[]) {
    return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:15:22: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   15 |     return st.size() == n;
      |            ~~~~~~~~~~^~~~
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