This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#ifdef MIKU
string dbmc = "\033[1;38;2;57;197;187m", dbrs = "\033[0m";
#define debug(x...) cout << dbmc << "[" << #x << "]: ", dout(x)
void dout() { cout << dbrs << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else
#define debug(...) 39
#endif
#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
using ll = long long;
typedef pair<int, int> pii;
const int MXN = 20, mod = 1000003;
int n, k;
int a[MXN];
bool check(string s) {
int now = 0;
FOR(i, 0, k - 1) now += (s[i] & 1);
FOR(i, k - 1, n) {
now += (s[i] & 1);
if (now != a[i]) return false;
now -= (s[i - (k - 1)] & 1);
}
debug(s);
return true;
}
void miku() {
cin >> n >> k;
FOR(i, k - 1, n) cin >> a[i];
int ans = 0;
FOR(I, 0, (1 << n)) {
string s;
FOR(w, 0, n) s.push_back((I & (1 << w)) ? '1' : '0');
ans += check(s);
}
cout << ans << '\n';
}
int32_t main() {
cin.tie(0) -> sync_with_stdio(false);
cin.exceptions(cin.failbit);
miku();
return 0;
}
Compilation message (stderr)
Main.cpp: In function 'bool check(std::string)':
Main.cpp:11:20: warning: statement has no effect [-Wunused-value]
11 | #define debug(...) 39
| ^~
Main.cpp:33:5: note: in expansion of macro 'debug'
33 | debug(s);
| ^~~~~
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