제출 #138782

#제출 시각아이디문제언어결과실행 시간메모리
138782Mahmoud_Adel곤돌라 (IOI14_gondola)C++14
컴파일 에러
0 ms0 KiB
#include "gondola.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 1e6+5, mod = 1e9+9; int mep[N]; ll power(ll a, ll b) { if(!b) return 1; ll temp = power(a, b/2); temp = (temp*temp)%mod; if(b%2) temp *= a, temp %= mod; return temp; } int valid(int n, int inputSeq[]) { for(int i=0; i<n; i++) { int id = (i+j)%n, jd = (i+j+1)%n; if(inputSeq[jd] > n) inputSeq[jd] = inputSeq[id]%n + 1; if(inputSeq[jd] != inputSeq[id]%n + 1) return 0; } sort(inputSeq, inputSeq+n); for(int i=0; i<n-1; i++) if(inputSeq[i] == inputSeq[i+1]) return 0; int j = -1; for(int i=0; i<n; i++) if(inputSeq[i] > 0 && inputSeq[i] <= n) j = i; if(j == -1) return 1; return 1; } //---------------------- int replacement(int n, int inputSeq[], int replacementSeq[]) { memset(mep, 0, sizeof mep); int j = -1, c = n; for(int i=0; i<n; i++) if(inputSeq[i] <= n) j = i; if(j == -1) { for(int i=0; i<n; i++) { int id = (i+j) % n, jd = (i+j+1) % n; c = max(c, inputSeq[jd]), mep[inputSeq[jd]] = i+1; } int last = -1; for(int i=n+1; i<c; i++) { if(mep[i]) replacementSeq[i-n-1] = mep[i]; else replacementSeq[i-n-1] = mep[c], last = i; } if(last != -1) replacementSeq[c-n-1] = last; else replacementSeq[c-n-1] = mep[c]; return c-n; } for(int i=0; i<n; i++) { int id = (i+j) % n, jd = (i+j+1) % n; if(inputSeq[jd] > n) c = max(c, inputSeq[jd]), mep[inputSeq[jd]] = inputSeq[id]%n + 1, inputSeq[jd] = inputSeq[id]%n + 1; } int last = -1; for(int i=n+1; i<c; i++) { if(mep[i]) replacementSeq[i-n-1] = mep[i]; else replacementSeq[i-n-1] = mep[c], last = i; } if(last != -1) replacementSeq[c-n-1] = last; else replacementSeq[c-n-1] = mep[c]; return c-n; } //---------------------- int countReplacement(int n, int inputSeq[]) { int tmp[n]; for(int i=0; i<n; i++) tmp[i] = inputSeq[i]; if(!valid(n, inputSeq)) return 0; for(int i=0; i<n; i++) inputSeq[i] = tmp[i]; ll j = -1, c = n; vector<ll> vec; for(int i=0; i<n; i++) if(inputSeq[i] <= n) j = i; else vec.push_back(inputSeq[i]); ll ans = 1; vec.push_back(n); sort(vec.begin(), vec.end()); for(int i=0; i<vec.size()-1; i++) { ll tmp = power((ll)vec.size()-i-1, vec[i+1]-vec[i]-1); ans = (ans%mod * tmp%mod)%mod; } return (ans*(j==-1? n:1))%mod; }

컴파일 시 표준 에러 (stderr) 메시지

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:19:15: error: 'j' was not declared in this scope
   int id = (i+j)%n, jd = (i+j+1)%n;
               ^
gondola.cpp:20:15: error: 'jd' was not declared in this scope
   if(inputSeq[jd] > n) inputSeq[jd] = inputSeq[id]%n + 1;
               ^~
gondola.cpp:20:15: note: suggested alternative: 'id'
   if(inputSeq[jd] > n) inputSeq[jd] = inputSeq[id]%n + 1;
               ^~
               id
gondola.cpp:21:15: error: 'jd' was not declared in this scope
   if(inputSeq[jd] != inputSeq[id]%n + 1) return 0;
               ^~
gondola.cpp:21:15: note: suggested alternative: 'id'
   if(inputSeq[jd] != inputSeq[id]%n + 1) return 0;
               ^~
               id
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:42:8: warning: unused variable 'id' [-Wunused-variable]
    int id = (i+j) % n, jd = (i+j+1) % n;
        ^~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:87:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<vec.size()-1; i++)
               ~^~~~~~~~~~~~~
gondola.cpp:80:13: warning: unused variable 'c' [-Wunused-variable]
  ll j = -1, c = n;
             ^