Submission #937559

# Submission time Handle Problem Language Result Execution time Memory
937559 2024-03-04T08:33:08 Z WonderfulWhale Lamps (JOI19_lamps) C++17
4 / 100
342 ms 81188 KB
#include<bits/stdc++.h>
using namespace std;

#define int int64_t
#define pb push_back
#define pii pair<int, int>
#define st first
#define nd second
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

int dp[1000009][2][5];

int dis[5][5] = {
	{0, 1, 1, 2, 2},
	{0, 0, 1, 1, 2},
	{0, 1, 0, 2, 1},
	{0, 0, 0, 0, 1},
	{0, 0, 0, 1, 0}
};

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);


	int n;
	cin >> n;
	for(int i=0;i<=n;i++) {
		for(int j=0;j<5;j++) {
			dp[i][0][j] = dp[i][1][j] = 1e9;
		}
	}
	dp[0][0][0] = 0;
	string A, B;
	cin >> A >> B;
	for(int i=1;i<=n;i++) {
		for(int j1=0;j1<2;j1++) {
			for(int j2=0;j2<5;j2++) {
				for(int k1=0;k1<2;k1++) {
					for(int k2=0;k2<5;k2++) {
						int New = A[i-1]-'0';
						if(k1) New = 1-New;
						if(k2==2||k2==3) New = 1;
						if(k2==1||k2==4) New = 0;
						if(New!=B[i-1]-'0') continue;
						bool is = k1&&(!j1);
						dp[i][k1][k2] = min(dp[i][k1][k2], 
								dp[i-1][j1][j2]+is+dis[j2][k2]);
					}
				}
			}
		}
	}
	int ans = 1e9;
	for(int i=0;i<5;i++)
		ans = min({ans, dp[n][0][i], dp[n][1][i]});
	cout << ans << "\n";
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 392 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 468 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Incorrect 0 ms 348 KB Output isn't correct
27 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 392 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 468 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Incorrect 0 ms 348 KB Output isn't correct
27 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 316 ms 81040 KB Output is correct
8 Correct 323 ms 81148 KB Output is correct
9 Correct 319 ms 81156 KB Output is correct
10 Correct 313 ms 81188 KB Output is correct
11 Correct 340 ms 81148 KB Output is correct
12 Correct 291 ms 81156 KB Output is correct
13 Correct 307 ms 81076 KB Output is correct
14 Correct 342 ms 81156 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 392 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 468 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 468 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 468 KB Output is correct
26 Incorrect 0 ms 348 KB Output isn't correct
27 Halted 0 ms 0 KB -