Submission #849502

#TimeUsernameProblemLanguageResultExecution timeMemory
849502vjudge1Art Collections (BOI22_art)C++17
70 / 100
1194 ms1816 KiB
#include <bits/stdc++.h>
#define all(v) ((v).begin(),(v).end())
#define ll long long
#define F first
#define S second
const ll mod = 1e9 + 7;
const ll mxN = 1e5 + 2;
using namespace std;
// void __attribute__((noreturn)) __attribute__((format(printf, 1, 2))) result(const char *msg, ...) {
//   va_list args;
//   va_start(args, msg);
//   vfprintf(stdout, msg, args);
//   fprintf(stdout, "\n");
//   va_end(args);
//   exit(0);
// }
// 
// namespace {
//   int N;
//   int Q = 0;
//   const int MAX_Q = 4000;
//   const int MAX_N = 4000;
//   vector<int> solution;
// }  // namespace
// 
// 
// void __attribute__((noreturn)) answer(vector<int> R) {
//   printf("answer({");
//   for(int i = 0; i < int(R.size()); ++i) {
//     if(i == 0)
//     printf("%d", R[i]);
//     else
//     printf(", %d", R[i]);
//   }
//   printf("})\n");
//   fflush(stdout);
// 
// 
//   if(R == solution)
//   result("Correct: %d published ranking(s).", Q);
//   else
//   result("Wrong answer!");
// }

int publish(vector<int> R);
//   printf("publish({");
//   for(int i = 0; i < int(R.size()); ++i) {
//     if(i == 0)
//     printf("%d", R[i]);
//     else
//     printf(", %d", R[i]);
//   }
//   printf("})\n");
//   fflush(stdout);
// 
//   if (++Q > MAX_Q)
//   result("Too many published rankings!");
// 
//   if (int(R.size()) != N)
//   result("Invalid published ranking!");
// 
//   set<int> chosen;
//   for(auto &x : R) {
//     if(x < 1 || x > N || chosen.count(x))
//     result("Invalid published ranking!");
//     chosen.insert(x);
//   }
//   vector<int> positions(N+1);
//   for(int i = 0; i < N; ++i)
//   positions[R[i]] = i;
// 
//   int complaints = 0;
//   for(int i = 0; i < N; ++i) {
//     for(int j = i+1; j < N; ++j) {
//       if(positions[solution[i]] > positions[solution[j]])
//       ++complaints;
//     }
//   }
// 
//   return complaints;
// }

void answer(std::vector<int>);
void solve(int N) {
  vector<int>ans(N);
    for(int i = 1;i <= N;i++){
      vector<int>a = {i},b;
      for(auto j = 1;j <= N;j++){
        if(j != i) {
          a.push_back(j);
          b.push_back(j);
        }
      }
      b.push_back(i);
      int x = publish(a),y = publish(b);
      int c = (x + y - (N - 1))/2;
      x -= c;
      y -= c;
      ans[x] = i;
    }
    answer(ans);
}

// int main() {
//     if (scanf("%d", &N) != 1 || N < 2 || N > MAX_N)
//         result("Invalid input!");
// 
//     solution.resize(N);
//     set<int> chosen;
//     for(auto &x : solution) {
//         if(scanf("%d", &x) != 1 || x < 1 || x > N || chosen.count(x))
//             result("Invalid input!");
//         chosen.insert(x);
//     }
// 
//     solve(N);
// 
//     result("No answer!");
// }

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) {
      |        ~~~~~~~~~^~~~
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