Submission #39717

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
39717	2018-01-18 01:44:34	funcsr	Gondola (IOI14_gondola)	C++14	100 / 100	74 ms	13336 KiB

gondola

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#include "gondola.h"
#include <iostream>
#include <vector>
#include <cassert>
#include <set>
#include <algorithm>
#include <map>
using namespace std;
typedef pair<int, int> P;
#define rep(i, n) for (int i=0; i<(n); i++)
#define all(x) x.begin(), x.end()
#define MOD 1000000009
#define _1 first
#define _2 second
int A[100000], cur[100000];
map<int, int> cnt;
bool glock;
int valid(int N, int inputSeq[]) {
  cnt.clear();
  rep(i, N) A[i] = inputSeq[i]-1;
  rep(i, N) cnt[A[i]]++;
  for (P p : cnt) if (p._2 > 1) return 0;
  int base = -1;
  rep(i, N) if (A[i] < N) base = (A[i]-i+N)%N;
  rep(i, N) cur[i] = (i+max(0,base))%N;
  glock = false;
  if (base == -1) return 1;
  glock = true;
  rep(i, N) if (A[i] < N && A[i] != cur[i]) return 0;
 
 
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Compilation message (stderr)

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:72:7: warning: unused variable 'm' [-Wunused-variable]
   int m = *max_element(A, A+N);
       ^
gondola.cpp:75:7: warning: unused variable 'c' [-Wunused-variable]
   int c = 0;
       ^

• 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