Submission #330276

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
330276	2020-11-24 11:49:06	Kevin_Zhang_TW	Snake Escaping (JOI18_snake_escaping)	C++17	100 / 100	1781 ms	20108 KiB

snake_escaping

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#include <bits/stdc++.h>
//#pragma GCC optimize("Ofast")
#pragma GCC target("popcnt")
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T>
bool chmax(T &a, T b) { return a < b ? (a = b, true) : false; }
template<class T> 
bool chmin(T &a, T b) { return b < a ? (a = b, true) : false; }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U>
void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T>
void debug(T L, T R) { while (L != R) cerr << *L << " \n"[next(L) == R], ++L; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
 
const int MAX_N = 20;
int n, q;
char w[(1<<MAX_N) + 10], com[MAX_N << 1];
int dp[1<<MAX_N];
void init() {
  for (int i = 0;i < 1<<n;++i)
    dp[i] = w[i] - '0';
 
 
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Compilation message (stderr)

snake_escaping.cpp: In function 'int32_t main()':
snake_escaping.cpp:20:17: warning: statement has no effect [-Wunused-value]
   20 | #define DE(...) 0
      |                 ^
snake_escaping.cpp:63:4: note: in expansion of macro 'DE'
   63 |    DE(res);
      |    ^~

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