제출 #254518

#제출 시각아이디문제언어결과실행 시간메모리
254518b00n0rp곤돌라 (IOI14_gondola)C++17
20 / 100
40 ms4728 KiB
#include "gondola.h" #include<bits/stdc++.h> using namespace std; #define ll long long int valid(int n, int inputSeq[]){ set<int> s; for(int i = 0; i < n; i ++){ s.insert(inputSeq[i]); } if(s.size() != n) return 0; for(int i = 0; i < n; i ++){ if(inputSeq[i] <= n){ for(int j = i+1; j != i; j = (j+1)%n){ if(inputSeq[j] > n) continue; if(inputSeq[j] != ((inputSeq[i]+(j-i)+n-1)%n)+1) return 0; } return 1; } } return 1; } //---------------------- int replacement(int n, int gondolaSeq[], int replacementSeq[]) { return -2; } //---------------------- const ll MOD = 1000000009; int countReplacement(int n, int inputSeq[]){ if(!valid(n,inputSeq)) return 0; int mx = inputSeq[0],mn = inputSeq[0]; for(int i = 1; i < n; i ++){ mx = max(mx,inputSeq[i]); mn = min(mn,inputSeq[i]); } if(mn > n){ ll ans = 1; for(int i = 1; i <= n; i ++){ ans = (ans*i)%MOD; } return ans; } else assert(0 == 1); }

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:12:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(s.size() != n) return 0;
     ~~~~~~~~~^~~~
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