Submission #775135

# Submission time Handle Problem Language Result Execution time Memory
775135 2023-07-06T08:07:53 Z 박상훈(#9985) Festivals in JOI Kingdom 2 (JOI23_festival2) C++17
51 / 100
1875 ms 70240 KB
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
int n, MOD;
ll dp[2][606][606][2][3];
ll dp2[2][606];

inline void add(ll &x, const ll &y){
	x += y;
	if (x>=MOD) x -= MOD;
}

int main(){
	scanf("%d %d", &n, &MOD);

	dp[0][0][0][0][0] = 1;
	dp2[0][0] = 1;

	for (int i=1;i<=n*2;i++){
		int z = i&1;

		for (int j=0;j<=i;j++){
			for (int k=0;k<=i;k++){
				dp[z][j][k][0][0] = 0;
				dp[z][j][k][0][1] = 0;
				dp[z][j][k][0][2] = 0;
				dp[z][j][k][1][0] = 0;
				dp[z][j][k][1][1] = 0;
				dp[z][j][k][1][2] = 0;
			}

			dp2[z][j] = 0;
		}

		for (int j=0;j<i;j++){
			add(dp2[z][j+1], dp2[z^1][j]);
			if (j) add(dp2[z][j-1], dp2[z^1][j] * j % MOD);
		}

		for (int j=0;j<i;j++){ // j개 열림
			for (int k=0;k<=j;k++){ // k개 후보
				// 열기
				add(dp[z][j+1][k+1][0][2], dp[z^1][j][k][0][0]);
				add(dp[z][j+1][k+1][1][2], dp[z^1][j][k][1][0]);

				add(dp[z][j+1][k+1][0][1], dp[z^1][j][k][0][1]);
				add(dp[z][j+1][k+1][1][1], dp[z^1][j][k][1][1]);
				add(dp[z][j+1][k+1][0][2], dp[z^1][j][k][0][2]);
				add(dp[z][j+1][k+1][1][2], dp[z^1][j][k][1][2]);

				// 닫기
				// 후보 x 시작그리디 x
				if (j > k){
					add(dp[z][j-1][k][0][0], dp[z^1][j][k][0][0] * (j-k) % MOD);
					add(dp[z][j-1][k][1][0], dp[z^1][j][k][1][0] * (j-k) % MOD);

					add(dp[z][j-1][k][0][2], dp[z^1][j][k][0][2] * (j-k) % MOD);
					add(dp[z][j-1][k][1][2], dp[z^1][j][k][1][2] * (j-k) % MOD);

					if (j-k > 1){
						add(dp[z][j-1][k][0][1], dp[z^1][j][k][0][1] * (j-k-1) % MOD);
						
						add(dp[z][j-1][k][1][1], dp[z^1][j][k][1][1] * (j-k-1) % MOD);

					}
				} 

				// 시작그리디 o
				if (j){
					// 후보 x
					if (j > k) add(dp[z][j-1][k][0][0], dp[z^1][j][k][1][1]);

					// 후보 o
					if (k){
						add(dp[z][j-1][0][0][0], dp[z^1][j][k][0][2]);
						add(dp[z][j-1][0][1][0], dp[z^1][j][k][1][2]);
					}
				} 

				// 후보 o 시작그리디 x
				if (j && k){
					add(dp[z][j-1][0][1][0], dp[z^1][j][k][0][0] * k % MOD);
					add(dp[z][j-1][0][1][1], dp[z^1][j][k][0][1] * k % MOD);
					add(dp[z][j-1][0][1][1], dp[z^1][j][k][0][2] * (k-1) % MOD);
				}

			}
		}

		// if (i==2) printf("%lld\n", dp[z][0][0][0][0]);
		// if (i==2) printf("%lld\n\n", dp[z][2][2][0][2]);

		// if (i==3) printf("%lld\n", dp[z][1][1][0][2]);
		// if (i==3) printf("%lld\n", dp[z][1][0][0][0]);
		// if (i==3) printf("%lld\n", dp[z][1][0][1][1]);
	}

	// printf("%lld / %lld\n", dp[0][0][0][0][0], dp2[0][0]);

	printf("%lld\n", (dp2[0][0] + MOD - dp[0][0][0][0][0]) % MOD);
}

Compilation message

festival2.cpp: In function 'int main()':
festival2.cpp:15:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  scanf("%d %d", &n, &MOD);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1076 KB Output is correct
17 Correct 1 ms 724 KB Output is correct
18 Correct 1 ms 568 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1076 KB Output is correct
17 Correct 1 ms 724 KB Output is correct
18 Correct 1 ms 568 KB Output is correct
19 Correct 1800 ms 34528 KB Output is correct
20 Correct 1700 ms 34108 KB Output is correct
21 Correct 1723 ms 34152 KB Output is correct
22 Correct 7 ms 1876 KB Output is correct
23 Correct 59 ms 5520 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1076 KB Output is correct
17 Correct 1 ms 724 KB Output is correct
18 Correct 1 ms 568 KB Output is correct
19 Correct 1800 ms 34528 KB Output is correct
20 Correct 1700 ms 34108 KB Output is correct
21 Correct 1723 ms 34152 KB Output is correct
22 Correct 7 ms 1876 KB Output is correct
23 Correct 59 ms 5520 KB Output is correct
24 Runtime error 1875 ms 70240 KB Execution killed with signal 11
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 440 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1076 KB Output is correct
17 Correct 1 ms 724 KB Output is correct
18 Correct 1 ms 568 KB Output is correct
19 Correct 1800 ms 34528 KB Output is correct
20 Correct 1700 ms 34108 KB Output is correct
21 Correct 1723 ms 34152 KB Output is correct
22 Correct 7 ms 1876 KB Output is correct
23 Correct 59 ms 5520 KB Output is correct
24 Runtime error 1875 ms 70240 KB Execution killed with signal 11
25 Halted 0 ms 0 KB -