Submission #747709

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
747709	2023-05-24 14:19:23	Sami_Massah	Dango Maker (JOI18_dango_maker)	C++17	13 / 100	1 ms	428 KiB

dango_maker

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#include <bits/stdc++.h>
using namespace std;
const long long maxn = 3000 + 12 ;
long long n, m, ans, dp[maxn][4][4];
string s[maxn];
vector <int> nums;
bool val(int a, int b){
    if(a < 0 || a >= n)
        return 0;
    if(b < 0 || b >= m)
        return 0;
    return 1;
}
int get_max(){
  //  for(int i: nums)
    //    cout << i << ' ';
    //cout << endl;
    for(int i = 0; i <= nums.size(); i++)
        for(int j = 0; j < 4; j++)
            for(int c = 0; c < 4; c++)
                dp[i][j][c] = 0;
    for(int i = 3; i < nums.size(); i++){
        for(int j = 0; j < 4; j++)
            for(int c = 0; c < 4; c++){
                if(j & 1)
                    dp[i][c][j] = max(dp[i][c][j], dp[i - 2][nums[i - 2] & 1][nums[i - 3] & 1] + 1 + (c > 0));
                if(j & 2)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

dango_maker.cpp: In function 'int get_max()':
dango_maker.cpp:20:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i = 0; i <= nums.size(); i++)
      |                    ~~^~~~~~~~~~~~~~
dango_maker.cpp:24:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for(int i = 3; i < nums.size(); i++){
      |                    ~~^~~~~~~~~~~~~
dango_maker.cpp:31:101: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   31 |                     dp[i][c][j] = max(dp[i][c][j], dp[i - 2][nums[i - 2]][nums[i - 3]] + 1 + (c & 2 >= 0));
      |                                                                                                   ~~^~~~

• Subtask 1: 13 / 13
• Subtask 2: 0 / 20
• Subtask 3: 0 / 67