Submission #363038

#	Time	Username	Problem	Language	Result	Execution time	Memory
363038		casperwang	Jousting tournament (IOI12_tournament)	C++14	17 / 100	1080 ms	1512 KiB

tournament

#include <bits/stdc++.h>
#define pb emplace_back
#define pii pair<int,int>
#define ff first
#define ss second
using namespace std;
#define debug(args...) kout("[ " + string(#args) + " ]", args)
void kout() { cerr << endl; }
template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); }
template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; }

int solve(int id, int N, int C, int R, int *K, int *S, int *E) {
  vector <int> now;
  for (int i = 0; i+1 < N; i++) {
    if (now.size() == id) now.pb(R);
    now.pb(K[i]);
  }
  if (now.size() == id) now.pb(R);
  // pary(now.begin(), now.end());
  vector <int> tmp;
  int cnt = 0;
  for (int i = 0; i < C; i++) {
    pii mmax = pii(-1, -1);
    for (int j = S[i]; j <= E[i]; j++)
      mmax = max(mmax, pii(now[j], j));
    if (mmax.ff == R) cnt++;
    for (int j = 0; j < now.size(); j++)
      if (j < S[i] || j > E[i] || j == mmax.ss)
        tmp.pb(now[j]);
    // pary(tmp.begin(), tmp.end());
    now = tmp; tmp.clear();
  }
  // debug(id, cnt);
  return cnt;
}

int GetBestPosition(int N, int C, int R, int *K, int *S, int *E) {
  pii ans = pii(0, 0);
  for (int i = 0; i < N; i++)
    ans = max(ans, pii(solve(i, N, C, R, K, S, E), -i));
  return -ans.ss;
}

Compilation message (stderr)

tournament.cpp: In function 'int solve(int, int, int, int, int*, int*, int*)':
tournament.cpp:15:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   15 |     if (now.size() == id) now.pb(R);
      |         ~~~~~~~~~~~^~~~~
tournament.cpp:18:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |   if (now.size() == id) now.pb(R);
      |       ~~~~~~~~~~~^~~~~
tournament.cpp:27:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for (int j = 0; j < now.size(); j++)
      |                     ~~^~~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 0 / 32
• Subtask 3: 0 / 51