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Submission #821730

# Submission time Handle Problem Language Result Execution time Memory
821730 2023-08-11T14:08:21 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 404 ms 1025684 KB 
#include<bits/stdc++.h>
//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
#define pii pair<int, int>
#define fi first
#define se second
#define pb push_back
//#define int long long
//#define ld long double
using namespace std;
using ll=long long;
const int inf = 1e9;
const int MN =400+5;
const int mod=1e9+7;
int n;
string s;
int cnt[MN][MN][4][4];
int dp[MN][MN][MN][4];
int a[MN],b[MN],c[MN];
void solve() {
	cin>>n>>s;
//	s="#"+s;
	int n1=0,n2=0,n3=0;
	for (int i=0; i<n; i++) {
		if(s[i]=='R') a[++n1]=i;
		else if(s[i]=='Y') b[++n2]=i;
		else c[++n3]=i;
	}
	int k;
	k=0;
	for (int i=1; i<=n1; i++) {
		k=0;
		for (int j=1; j<=n2; j++) {
			if(b[j]>a[i]) k++;
			cnt[i][j][1][2]=k;
//			cout<<cnt[i][j][1][2]<<" ";
		}
	}
	k=0;
	for (int i=1; i<=n1; i++) {
		k=0;
		for (int j=1; j<=n3; j++) {
			if(c[j]>a[i]) k++;
			cnt[i][j][1][3]=k;
		}
	}
	k=0;
	for (int i=1; i<=n2; i++) {
		k=0;
		for (int j=1; j<=n1; j++) {
			if(a[j]>b[i]) k++;
			cnt[i][j][2][1]=k;
		}
	}
	k=0;
	for (int i=1; i<=n2; i++) {
		k=0;
		for (int j=1; j<=n3; j++) {
			if(c[j]>b[i]) k++;
			cnt[i][j][2][3]=k;
		}
	}
	k=0;
	for (int i=1; i<=n3; i++) {
		k=0;
		for (int j=1; j<=n1; j++) {
			if(a[j]>c[i]) k++;
			cnt[i][j][3][1]=k;
		}
	}
	k=0;
	for (int i=1; i<=n3; i++) {
		k=0;
		for (int j=1; j<=n2; j++) {
			if(b[j]>c[i]) k++;
			cnt[i][j][3][2]=k;
		}
	}
	for (int i=0; i<=n; i++) {
		for (int j=0; j<=n; j++) {
			for (int l=0; l<=n; l++) {
				dp[i][j][l][1]=dp[i][j][l][2]=dp[i][j][l][3]=inf;
			}
		}
	}
	dp[0][0][0][1]=dp[0][0][0][2]=dp[0][0][0][3]=0;
	for (int i=0; i<=n1; i++) {
		for (int j=0; j<=n2; j++) {
			for (int l=0; l<=n3; l++) {
				if(i>0) dp[i][j][l][1] = min(dp[i-1][j][l][2],dp[i-1][j][l][3]) + cnt[i][j][1][2] + cnt[i][l][1][3];
				if(j>0) dp[i][j][l][2] = min(dp[i][j-1][l][1],dp[i][j-1][l][3]) + cnt[j][i][2][1] + cnt[j][l][2][3];
				if(l>0) dp[i][j][l][3] = min(dp[i][j][l-1][2],dp[i][j][l-1][1]) + cnt[l][i][3][1] + cnt[l][j][3][2];
			}
		}
	}
	int ans=min({dp[n1][n2][n3][1], dp[n1][n2][n3][2], dp[n1][n2][n3][3]});
	if(ans>=inf) cout<<-1;
	else cout<<ans;
}
signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
//	freopen(".inp", "r", stdin);
//	freopen(".out", "w", stdout);
	int t=1;
//	cin>>t;
	while(t--) {
		solve();
	}
		
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1448 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1484 KB Output is correct
14 Correct 1 ms 1236 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1364 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1448 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1484 KB Output is correct
14 Correct 1 ms 1236 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1364 KB Output is correct
18 Correct 7 ms 19120 KB Output is correct
19 Correct 8 ms 19016 KB Output is correct
20 Correct 8 ms 19028 KB Output is correct
21 Correct 8 ms 19120 KB Output is correct
22 Correct 9 ms 19028 KB Output is correct
23 Correct 8 ms 19028 KB Output is correct
24 Correct 8 ms 19028 KB Output is correct
25 Correct 8 ms 19156 KB Output is correct
26 Correct 8 ms 19156 KB Output is correct
27 Correct 8 ms 19028 KB Output is correct
28 Correct 8 ms 19028 KB Output is correct
29 Correct 8 ms 19028 KB Output is correct
30 Correct 8 ms 19028 KB Output is correct
31 Correct 8 ms 19016 KB Output is correct
32 Correct 8 ms 19028 KB Output is correct
33 Correct 7 ms 18448 KB Output is correct
34 Correct 7 ms 18508 KB Output is correct
35 Correct 7 ms 17748 KB Output is correct
36 Correct 7 ms 18388 KB Output is correct
37 Correct 7 ms 17108 KB Output is correct
38 Correct 8 ms 19028 KB Output is correct
39 Correct 8 ms 19088 KB Output is correct
40 Correct 7 ms 18516 KB Output is correct
41 Correct 8 ms 19152 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 351 ms 1024744 KB Output is correct
3 Correct 363 ms 1019684 KB Output is correct
4 Correct 344 ms 1024648 KB Output is correct
5 Correct 377 ms 1024680 KB Output is correct
6 Correct 360 ms 1024720 KB Output is correct
7 Correct 359 ms 1019648 KB Output is correct
8 Correct 348 ms 1019624 KB Output is correct
9 Correct 345 ms 1014480 KB Output is correct
10 Correct 351 ms 1024700 KB Output is correct
11 Correct 350 ms 1024720 KB Output is correct
12 Correct 102 ms 273652 KB Output is correct
13 Correct 156 ms 482504 KB Output is correct
14 Correct 234 ms 698488 KB Output is correct
15 Correct 359 ms 1024724 KB Output is correct
16 Correct 370 ms 1024788 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 852 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1448 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1484 KB Output is correct
13 Correct 1 ms 1484 KB Output is correct
14 Correct 1 ms 1236 KB Output is correct
15 Correct 1 ms 1492 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1364 KB Output is correct
18 Correct 7 ms 19120 KB Output is correct
19 Correct 8 ms 19016 KB Output is correct
20 Correct 8 ms 19028 KB Output is correct
21 Correct 8 ms 19120 KB Output is correct
22 Correct 9 ms 19028 KB Output is correct
23 Correct 8 ms 19028 KB Output is correct
24 Correct 8 ms 19028 KB Output is correct
25 Correct 8 ms 19156 KB Output is correct
26 Correct 8 ms 19156 KB Output is correct
27 Correct 8 ms 19028 KB Output is correct
28 Correct 8 ms 19028 KB Output is correct
29 Correct 8 ms 19028 KB Output is correct
30 Correct 8 ms 19028 KB Output is correct
31 Correct 8 ms 19016 KB Output is correct
32 Correct 8 ms 19028 KB Output is correct
33 Correct 7 ms 18448 KB Output is correct
34 Correct 7 ms 18508 KB Output is correct
35 Correct 7 ms 17748 KB Output is correct
36 Correct 7 ms 18388 KB Output is correct
37 Correct 7 ms 17108 KB Output is correct
38 Correct 8 ms 19028 KB Output is correct
39 Correct 8 ms 19088 KB Output is correct
40 Correct 7 ms 18516 KB Output is correct
41 Correct 8 ms 19152 KB Output is correct
42 Correct 1 ms 328 KB Output is correct
43 Correct 351 ms 1024744 KB Output is correct
44 Correct 363 ms 1019684 KB Output is correct
45 Correct 344 ms 1024648 KB Output is correct
46 Correct 377 ms 1024680 KB Output is correct
47 Correct 360 ms 1024720 KB Output is correct
48 Correct 359 ms 1019648 KB Output is correct
49 Correct 348 ms 1019624 KB Output is correct
50 Correct 345 ms 1014480 KB Output is correct
51 Correct 351 ms 1024700 KB Output is correct
52 Correct 350 ms 1024720 KB Output is correct
53 Correct 102 ms 273652 KB Output is correct
54 Correct 156 ms 482504 KB Output is correct
55 Correct 234 ms 698488 KB Output is correct
56 Correct 359 ms 1024724 KB Output is correct
57 Correct 370 ms 1024788 KB Output is correct
58 Correct 391 ms 1023400 KB Output is correct
59 Correct 363 ms 1023308 KB Output is correct
60 Correct 374 ms 1013044 KB Output is correct
61 Correct 362 ms 1017980 KB Output is correct
62 Correct 350 ms 1025036 KB Output is correct
63 Correct 350 ms 1024588 KB Output is correct
64 Correct 363 ms 1024396 KB Output is correct
65 Correct 384 ms 1019052 KB Output is correct
66 Correct 363 ms 1007868 KB Output is correct
67 Correct 366 ms 1023416 KB Output is correct
68 Correct 365 ms 1018084 KB Output is correct
69 Correct 404 ms 1023160 KB Output is correct
70 Correct 371 ms 1023264 KB Output is correct
71 Correct 365 ms 1018380 KB Output is correct
72 Correct 354 ms 1019852 KB Output is correct
73 Correct 358 ms 1025684 KB Output is correct