Submission #374975

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
374975	2021-03-08 17:34:18	_martynas	Cards (LMIO19_korteles)	C++11	100 / 100	88 ms	6744 KiB

korteles

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int MAX_N = 26*26*26*26 + 5;
int n;
char C[MAX_N][4]; // cards
int cnt[MAX_N];
int L[676], R[676], U[676], D[676];
void Read(char IN[])
{
    scanf(" %c%c %c%c", &IN[0], &IN[1], &IN[2], &IN[3]);
}
int Hash2(char a, char b)
{
    return 26 * (a - 'A') + (b - 'A');
}
int Hash4(char Arr[4])
{
    int h = 0;
    for(int i = 0; i < 4; i++)
    {
        h *= 26;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

korteles.cpp: In function 'void Read(char*)':
korteles.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |     scanf(" %c%c %c%c", &IN[0], &IN[1], &IN[2], &IN[3]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
korteles.cpp: In function 'int main()':
korteles.cpp:50:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   50 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
korteles.cpp:75:23: warning: iteration 676 invokes undefined behavior [-Waggressive-loop-optimizations]
   75 |         ans += (ll)L[i] * R[i];
      |                    ~~~^
korteles.cpp:73:22: note: within this loop
   73 |     for(int i = 0; i <= 676; i++)
      |                    ~~^~~~~~

• Subtask 1: 16 / 16
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 19 / 19
• Subtask 5: 25 / 25