oj.uz

Submission #952910

# Submission time Handle Problem Language Result Execution time Memory
952910 2024-03-25T04:59:30 Z bananade Tents (JOI18_tents) C++17
100 / 100
 266 ms 70796 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
int dp[3005][3005];
int h, w;
int mod = 1000000007;

int pang(int a) {
	int jum = 1;
	int now = 1e9 + 6;
	vector<int> v;
	while(now > 0) {
		if(now % 2 == 1) {
			v.push_back(1);
			now--;
		} else {
			v.push_back(2);
			now /= 2;
		}
	}
}

signed main() {
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	cin >> h >> w;
	
	for(int i = 0; i <= h; i++) {
		for(int j = 0; j <= w; j++) {
			if(i == 0 || j == 0) {
				dp[i][j] = 1;
				
			} else {
				dp[i][j] = dp[i - 1][j] + (dp[i - 1][j - 1] * j * 4);
				dp[i][j] %= mod;
				if(i >= 2) {
					int a = dp[i - 2][j - 1] * (i - 1) * j;
					a %= mod;
					dp[i][j] += a;
					dp[i][j] %= mod;
				}
				if(j >= 2) {
					int a = dp[i - 1][j - 2] * (j - 1) * j / 2;
					a %= mod;
					dp[i][j] += a;
					dp[i][j] %= mod;
				}
			}
			
			//cout << i << " " << j << " " << dp[i][j] << "\n";
		}
	}
	cout << dp[h][w] - 1;
}

Compilation message

tents.cpp: In function 'long long int pang(long long int)':
tents.cpp:9:6: warning: unused variable 'jum' [-Wunused-variable]
    9 |  int jum = 1;
      |      ^~~
tents.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type]
   21 | }
      | ^

Subtask #1
48.0 / 48.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 2396 KB Output is correct
8 Correct 1 ms 6660 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 3 ms 8652 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 4 ms 8704 KB Output is correct

Subtask #2
52.0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 6492 KB Output is correct
7 Correct 2 ms 2396 KB Output is correct
8 Correct 1 ms 6660 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 3 ms 8652 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 4 ms 8704 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 21 ms 55880 KB Output is correct
15 Correct 169 ms 66236 KB Output is correct
16 Correct 11 ms 6744 KB Output is correct
17 Correct 37 ms 16988 KB Output is correct
18 Correct 46 ms 29268 KB Output is correct
19 Correct 195 ms 70488 KB Output is correct
20 Correct 155 ms 57936 KB Output is correct
21 Correct 102 ms 39556 KB Output is correct
22 Correct 100 ms 51792 KB Output is correct
23 Correct 58 ms 70480 KB Output is correct
24 Correct 266 ms 70796 KB Output is correct
25 Correct 196 ms 62088 KB Output is correct
26 Correct 225 ms 68320 KB Output is correct
27 Correct 255 ms 70228 KB Output is correct