Submission #311725

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
311725	2020-10-11 07:58:28	eriksuenderhauf	Counting Mushrooms (IOI20_mushrooms)	C++17	100 / 100	579 ms	65912 KiB

mushrooms

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#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9 + 7;
int dp[255][255][255];
int go(int known_a, int known_b, int qcnt);
pair<int,int> max_val(int known_a, int known_b, int qcnt) {
  int v = 0, operation = 2;
  // A.A.(...)
  // B.B.(...)
  for (int i : {2, known_a}) {
    if (i > known_a)
      continue;
    int opt = inf;
    for (int b = 0; b < 2 && opt > v; b++) {
      if (i == 2) {
        for (int a = 0; a < 2 && opt > v; a++)
          opt = min(opt, i + go(known_a + (b ^ 1) + a, known_b + b + (a ^ 1), qcnt - 1));
      } else {
        opt = min(opt, i + go(known_a + (b ^ 1), known_b + b, qcnt - 1));
      }
    }
    if (opt > v) {
      v = opt;
      operation = i == 2 ? 1 : 2;
    }
  }
 
 
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Compilation message (stderr)

mushrooms.cpp: In function 'std::pair<int, int> max_val(int, int, int)':
mushrooms.cpp:31:7: warning: variable 'ok' set but not used [-Wunused-but-set-variable]
   31 |   int ok = 1;
      |       ^~

• Subtask 1: 100 / 100