제출 #363548

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
363548	2021-02-06 14:21:26	silverfish	곤돌라 (IOI14_gondola)	C++14	55 / 100	48 ms	4736 KiB

gondola

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#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
#define ar array
#define pb push_back
int valid(int n, int a[]){
  bool ok = 1, first = 1;
  int diff = -1;
  map<int, int> cnt;
  for(int i = 0; i < n; ++i){
    if(cnt[a[i]]) ok = 0;
    ++cnt[a[i]];
    if(a[i] <= n){
      if(first) {
        diff = (a[i]-(i+1)+n)%n;
        first = 0;
        continue;
      }
      //cerr << i+1 << ' ' << (n+a[i]-diff)%n << endl;
      if(i != (a[i]-diff-1+n)%n) ok = 0;
    }
  }
  return ok;
}
//----------------------
 
 
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컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:32:7: warning: unused variable 'ok' [-Wunused-variable]
   32 |  bool ok = 1, first = 1;
      |       ^~
gondola.cpp:32:15: warning: unused variable 'first' [-Wunused-variable]
   32 |  bool ok = 1, first = 1;
      |               ^~~~~

• 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: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10