Submission #623864

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
623864	2022-08-06 17:58:26	Alma	Art Collections (BOI22_art)	C++17	100 / 100	1591 ms	740 KiB

art

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#include "art.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
using ll = long long;
using ii = pair<int,int>;
const int INF = 1e9;
const ll LLINF = 1e18;
using vi = vector<int>;
using vvi = vector<vi>;
// prev: K
// act - prev: RES = (K-i) + (N-1 - i) - K = N-2i-1
// i = (N - RES - 1) / 2
void solve (int N) {
  vi vec(N), res(N), ans(N);
  for (int i = 0; i < N; i++) {
    vec[i] = i+1;
  }
  for (int i = 0; i < N; i++) {
    res[i] = publish(vec);
    rotate(vec.begin(), vec.begin()+1, vec.end());
  }
  for (int i = 0; i < N; i++) {
    int pos = (N - res[(i+1) % N] + res[i] - 1) / 2;
    ans[pos] = i+1;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

interface.cpp: In function 'int publish(std::vector<int>)':
interface.cpp:20:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   20 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~
interface.cpp: In function 'void answer(std::vector<int>)':
interface.cpp:36:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     if(v.size() != N) {
      |        ~~~~~~~~~^~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30