Submission #1095985

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1095985	2024-10-03 14:13:29	phamducluong	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	445 ms	43248 KiB

snake_escaping

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#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//using namespace __gnu_pbds;
using namespace std;
//typedef tree<int,null_type,less_equal<int>,rb_tree_tag, tree_order_statistics_node_update> ordered_set;
#define Sakura_chan    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define mem(a,x)       memset(a,x,sizeof(a))
#define fast(s)        s.reserve(2000); s.max_load_factor(0.5);
#define ll             long long
#define F              first
#define S              second
#define pb             push_back
#define ins            insert
#define pii            pair <long long, long long>
#define vpii           vector <pii>
#define sz             size()
#define all(p)         p.begin(), p.end()
#define For(i,a,b)     for(int i=a; i<=b; ++i)
#define rFor(i,a,b)    for(int i=a; i>=b; --i)
#define Auto(it,a)     for(auto it: a)
const int mod=1e9+7;
const int N=1e6+5, M=20;
int n, q, f[1<<M], g[1<<M], cnt[1<<M];
string s, t;
void file()
{
    #define task "snakes"
    if(fopen(task".inp","r"))
    {
 
 
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Compilation message (stderr)

snake_escaping.cpp:84:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   84 | main()
      | ^~~~
snake_escaping.cpp: In function 'void file()':
snake_escaping.cpp:31:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
snake_escaping.cpp:32:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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