Submission #306071

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
306071	2020-09-24 12:32:57	myungwoo	Counting Mushrooms (IOI20_mushrooms)	C++17	0 / 100	1 ms	512 KiB

mushrooms

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#include <bits/stdc++.h>
#include "mushrooms.h"
using namespace std;
map <vector<int>, string> rule3_1_2 = {
  {{}, "A0B0C0D1E"},
  {{2}, "0A0D0E"},
  {{3}, "0A1BC0E0D"},
  {{4}, "0A0E0BC1D"},
  {{5}, "0A0BC1E0D"},
  {{6}, "0A0D0E"},
  {{7}, "0D"}
};
map <vector<int>, string> rule1_0_3 = {
  {{}, "0ABCDE"},
  {{1}, "0ABCD"},
  {{1, 1}, "AB0C"},
  {{2}, "A0BCD"},
  {{2, 1}, "AB0CE"},
  {{2, 2}, "ABDC"},
  {{2, 3}, "0C"},
  {{3}, "A0BCE"},
  {{3, 1}, "0B"},
  {{3, 2}, "0BDC"},
  {{3, 3}, "0D"},
  {{3, 4}, "0D"},
  {{4}, "A0BCD"},
  {{4, 2}, "0C"},
  {{4, 3}, "0ABCD"}
};
 
 
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Compilation message (stderr)

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:52:56: warning: comparison of integer expressions of different signedness: 'const long unsigned int' and 'int' [-Wsign-compare]
   52 |  while (N-pt >= 5 && max(arr[0].size(), arr[1].size()) < K){
      |                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
mushrooms.cpp:87:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |   for (int i=0;i<arr[t].size()&&pt+i<N;i++){
      |                ~^~~~~~~~~~~~~~
mushrooms.cpp:92:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   92 |   int cnt = res+1>>1;
      |             ~~~^~
mushrooms.cpp:95:10: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   95 |   arr[res&1^t].push_back(test.back());
      |       ~~~^~
mushrooms.cpp:79:11: warning: 'msk' may be used uninitialized in this function [-Wmaybe-uninitialized]
   79 |    arr[msk>>i&1].push_back(pt+i);
      |        ~~~^~~

• Subtask 1: 0 / 100