제출 #296619

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
296619	2020-09-10 17:28:12	emil_physmath	곤돌라 (IOI14_gondola)	C++17	100 / 100	64 ms	6008 KiB

gondola

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#include "gondola.h"
#include <numeric>
#include <algorithm>
#include <set>
#include <vector>
#include <iostream>
using namespace std;
using llong = long long;
#define BUGO(x) cerr << #x << " = " << x << '\n';
int valid(int n, int a[])
{
    if (set<int>(a, a + n).size() != n) return false;
    set<int> ones;
    for (int i = 0; i < n; ++i)
        if (a[i] <= n) {
            int j = i - (a[i] - 1);
            if (j < 0) j += n;
            ones.insert(j);
        }
    return ones.size() <= 1;
}
//----------------------
int replacement(int n, int a[], int ans[])
{
    int anslen = 0;
    vector<int> must(n, -1);
    for (int i = 0; i < n; ++i)
 
 
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컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:13:35: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   13 |     if (set<int>(a, a + n).size() != n) return false;
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:74:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |     for (int i = 0; i + 1 < b.size(); ++i)
      |                     ~~~~~~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 20 / 20
• Subtask 7: 5 / 5
• Subtask 8: 15 / 15
• Subtask 9: 15 / 15
• Subtask 10: 10 / 10