제출 #1026860

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1026860		MarwenElarbi	곤돌라 (IOI14_gondola)	C++17	10 / 100	44 ms	4940 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
#define pb push_back
#define se second
#define fi first
const int nax=5e5+5;
const int MOD=1e9+7;
vector<pair<int,int>> tab;
int valid(int n, int inputSeq[])
{
    set<int> st;
    for (int i = 0; i < n; ++i)
    {
        st.insert(i+1);
    }
    bool test=true;
    bool nabba=false;
    for (int i = 0; i < n; ++i)
    {
        if(inputSeq[i]<=n){
            st.erase(inputSeq[i]);
        }
    }
    for (int i = 0; i < n; ++i)
    {
        if(inputSeq[i]<=n){
            int cnt=inputSeq[i]-1;
            for (int j = i-1; j >= 0 && inputSeq[j]>n ; --j)
            {
                if(cnt==0) cnt=n;
                if(!st.count(cnt)){
                    test=false;
                }
                st.erase(cnt);
                inputSeq[j]=cnt;
                cnt--;
            }
        }
    }
    if(st.size()){
        int m=st.size();
        for (int i = n-m; i < n; ++i)
        {
            inputSeq[i]=*st.begin();
            st.erase(*st.begin());
        }
    }
    for (int i = 0; i < n-1; ++i)
    {
        if(inputSeq[i]<inputSeq[i+1]&&inputSeq[i+1]-inputSeq[i]>1) test=false;
        if(inputSeq[i]>inputSeq[i+1]&&(inputSeq[i]!=n||inputSeq[i+1]!=1)){
            test=false;
        }
    }
    set<int> stt;
    for (int i = 0; i < n; ++i)
    {
        stt.insert(inputSeq[i]);
    }
    test&=(stt.size()==n);
    return test;
}
 
//----------------------
 
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}
 
//----------------------
 
int countReplacement(int n, int inputSeq[])
{
  return -3;
}

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:61:22: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   61 |     test&=(stt.size()==n);
      |            ~~~~~~~~~~^~~
gondola.cpp:18:10: warning: unused variable 'nabba' [-Wunused-variable]
   18 |     bool nabba=false;
      |          ^~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10