Submission #1123808

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1123808	2024-12-04 08:15:11	wikidere	Binaria (CCO23_day1problem1)	C++17	6 / 25	0 ms	328 KiB

Main

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#include <bits/stdc++.h>
#define N 1000010
#define task "task"
#define pii pair<int, int>
#define ll long long
using namespace std;
const int base = 1e6 + 3;
int n, k, a[N];
namespace sub1
{
    int dp[1010][1 << 10] = {};
    void solve()
    {
        for (int mask = 0; mask < (1 << k); mask++)
            dp[1][mask] = (__builtin_popcount(mask) == a[1]);
        for (int i = 2; i <= n - k + 1; i++)
            for (int mask1 = 0; mask1 < (1 << k); mask1++)
                for (int mask2 = 0; mask2 < (1 << k); mask2++)
                    if ((mask2 >> 1) == (mask1 & ((1 << (k - 1)) - 1)))
                        if (__builtin_popcount(mask1) == a[i - 1] && __builtin_popcount(mask2) == a[i])
                            (dp[i][mask2] += dp[i - 1][mask1]) %= base;
        int res = 0;
        for (int mask = 1; mask < (1 << k); mask++)
            (res += dp[n - k + 1][mask]) %= base;
        cout << res;
    }
};
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:74:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   74 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:75:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   75 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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