Submission #924201

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
924201	2024-02-08 16:10:50	Camillus	Brperm (RMI20_brperm)	C++17	0 / 100	2 ms	2396 KiB

brperm

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#define debug(...) 42
#include "bits/stdc++.h"
using namespace std;
#ifndef LOCAL
#include "brperm.h"
#else
void init(int n, const char s[]);
int query(int i, int k);
#endif
string s;
void init(int N, const char S[]) {
    s = string(S, S + N);
}
int swapped(int i, int k) {
    int a = 1;
    int b = 1 << (k - 1);
    if (bool(i & a) == bool(i & b)) {
        return i;
    } else {
        i ^= a;
        i ^= b;
        return i;
    }
}
 
 
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Compilation message (stderr)

brperm.cpp: In function 'int query(int, int)':
brperm.cpp:1:20: warning: statement has no effect [-Wunused-value]
    1 | #define debug(...) 42
      |                    ^~
brperm.cpp:33:5: note: in expansion of macro 'debug'
   33 |     debug(t);
      |     ^~~~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 37
• Subtask 3: 0 / 17
• Subtask 4: 0 / 33