Submission #336935

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
336935	2020-12-17 12:00:58	kutbilim_one	Red-blue table (IZhO19_stones)	C++14	100 / 100	38 ms	2412 KiB

stones

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/** @kutbilimone **/
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
void solve(){
  int n, m;
  cin >> n >> m;
  
  bool swapped = (n > m);
  char blue = '-', red = '+';                            
  if(n > m) swap(n, m), swap(blue, red);
  vector< vector<char> > a(n, vector<char> (m, blue));
  vector<int> col(m, n);
  int res = m; 
  for(int i = 0, j = 0; i < n; i++){
    for(int k = m/2+1, cntl = 0; k > 0; k--, j++){
      j %= m;
      if(col[j]-1 < n/2+1) continue;
      a[i][j] = red;
      cntl++;
      if(cntl == m/2+1) res++;
      col[j]--;
    }
  }
  cout << res << endl;
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 10 / 10
• Subtask 3: 16 / 16
• Subtask 4: 11 / 11
• Subtask 5: 15 / 15
• Subtask 6: 31 / 31