Submission #75225

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
75225	2018-09-08 17:18:52	bogdan10bos	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	1476 ms	46376 KiB

snake_escaping

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#include <bits/stdc++.h>
using namespace std;
//#define FILE_IO
int N, Q, ans;
int i, j, q, msk;
int cnt[3];
int val[1100005], dp[1100005], dp2[1100005];
int bts[1100005];
int B, b[25];
char s[1100005];
void bck0(int pas, int msk, int smn)
{
    if(pas >= B)
    {
        ans += smn * dp[msk];
        return;
    }
    bck0(pas + 1, msk, smn);
    bck0(pas + 1, msk ^ (1 << b[pas]), -smn);
}
void bck1(int pas, int msk, int smn)
{
    if(pas >= B)
    {
 
 
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Compilation message (stderr)

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:58:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d\n", &N, &Q);
     ~~~~~^~~~~~~~~~~~~~~~~~
snake_escaping.cpp:59:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s\n", s);
     ~~~~~^~~~~~~~~~~
snake_escaping.cpp:73:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s\n", s);
         ~~~~~^~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 53 / 53
• Subtask 5: 25 / 25