Submission #967931

#	Time	Username	Problem	Language	Result	Execution time	Memory
967931		Pring	Binaria (CCO23_day1problem1)	C++17	6 / 25	1 ms	452 KiB

Main

#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);
      |     ^~~~~

• Subtask 1: 3 / 3
• Subtask 2: 3 / 3
• Subtask 3: 0 / 4
• Subtask 4: 0 / 4
• Subtask 5: 0 / 4
• Subtask 6: 0 / 7