oj.uz

Submission #234097

# Submission time Handle Problem Language Result Execution time Memory
234097 2020-05-23T04:59:21 Z super_j6 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 465 ms 757752 KB 
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <string.h>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<int, int>
#define f first
#define s second

const int inf = 0x3f3f3f3f;
const int maxn = 401;
int n;
string s;
int a[3][maxn];
int dp[maxn][maxn][maxn][3];
vector<int> v[3];

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n >> s;
	
	for(int i = 0; i < n; i++){
	    int c = s[i] == 'R' ? 0 : 1 + (s[i] == 'G');
	    a[c][i + 1] = 1;
	    v[c].push_back(i + 1);
	}
	
	for(int t = 0; t < 3; t++)
	for(int i = 1; i <= n; i++){
	    a[t][i] += a[t][i - 1];
	}
	
	memset(dp, inf, sizeof(dp));
	for(int i[3] = {0}; i[0] <= a[0][n]; i[0]++)
	for(i[1] = 0; i[1] <= a[1][n]; i[1]++)
	for(i[2] = 0; i[2] <= a[2][n]; i[2]++)
	for(int p = 0; p < 3; p++){
	    if(i[0] + i[1] + i[2] == 0){
	        dp[0][0][0][p] = 0;
	    }
	    if(dp[i[0]][i[1]][i[2]][p] == inf) continue;
	    for(int j = 0; j < 3; j++){
	        if(j == p || i[j] == a[j][n]) continue;
	        int l[3] = {i[0], i[1], i[2]};
	        l[j]++;
	        int cp = 0;
	        for(int k = 0; k < 3; k++){
	            if(k == j) continue;
	            cp += max(a[k][v[j][i[j]]] - i[k], 0);
	        }
	        dp[l[0]][l[1]][l[2]][j] = min(dp[l[0]][l[1]][l[2]][j], 
	            dp[i[0]][i[1]][i[2]][p] + cp);
	    }
	    //cout << i[0] << " " << i[1] << " " << i[2] << " " << p << endl;
	    //cout << dp[i[0]][i[1]][i[2]][p] << endl;
	}
	
    int ret = inf;
    for(int i = 0; i < 3; i++){
        ret = min(ret, dp[a[0][n]][a[1][n]][a[2][n]][i]);
    }
	
	cout << (ret == inf ? -1 : ret) << endl;
	

	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 379 ms 757496 KB Output is correct
2 Correct 370 ms 757496 KB Output is correct
3 Correct 374 ms 757564 KB Output is correct
4 Correct 377 ms 757496 KB Output is correct
5 Correct 370 ms 757496 KB Output is correct
6 Correct 373 ms 757496 KB Output is correct
7 Correct 371 ms 757548 KB Output is correct
8 Correct 369 ms 757496 KB Output is correct
9 Correct 374 ms 757624 KB Output is correct
10 Correct 368 ms 757496 KB Output is correct
11 Correct 375 ms 757496 KB Output is correct
12 Correct 367 ms 757496 KB Output is correct
13 Correct 371 ms 757496 KB Output is correct
14 Correct 365 ms 757496 KB Output is correct
15 Correct 367 ms 757496 KB Output is correct
16 Correct 367 ms 757500 KB Output is correct
17 Correct 366 ms 757500 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 379 ms 757496 KB Output is correct
2 Correct 370 ms 757496 KB Output is correct
3 Correct 374 ms 757564 KB Output is correct
4 Correct 377 ms 757496 KB Output is correct
5 Correct 370 ms 757496 KB Output is correct
6 Correct 373 ms 757496 KB Output is correct
7 Correct 371 ms 757548 KB Output is correct
8 Correct 369 ms 757496 KB Output is correct
9 Correct 374 ms 757624 KB Output is correct
10 Correct 368 ms 757496 KB Output is correct
11 Correct 375 ms 757496 KB Output is correct
12 Correct 367 ms 757496 KB Output is correct
13 Correct 371 ms 757496 KB Output is correct
14 Correct 365 ms 757496 KB Output is correct
15 Correct 367 ms 757496 KB Output is correct
16 Correct 367 ms 757500 KB Output is correct
17 Correct 366 ms 757500 KB Output is correct
18 Correct 376 ms 757496 KB Output is correct
19 Correct 374 ms 757496 KB Output is correct
20 Correct 373 ms 757496 KB Output is correct
21 Correct 372 ms 757496 KB Output is correct
22 Correct 378 ms 757536 KB Output is correct
23 Correct 370 ms 757472 KB Output is correct
24 Correct 367 ms 757496 KB Output is correct
25 Correct 369 ms 757496 KB Output is correct
26 Correct 367 ms 757496 KB Output is correct
27 Correct 371 ms 757496 KB Output is correct
28 Correct 370 ms 757496 KB Output is correct
29 Correct 370 ms 757604 KB Output is correct
30 Correct 373 ms 757496 KB Output is correct
31 Correct 369 ms 757496 KB Output is correct
32 Correct 368 ms 757496 KB Output is correct
33 Correct 380 ms 757496 KB Output is correct
34 Correct 369 ms 757496 KB Output is correct
35 Correct 373 ms 757496 KB Output is correct
36 Correct 372 ms 757496 KB Output is correct
37 Correct 367 ms 757504 KB Output is correct
38 Correct 374 ms 757752 KB Output is correct
39 Correct 367 ms 757496 KB Output is correct
40 Correct 371 ms 757624 KB Output is correct
41 Correct 372 ms 757496 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 368 ms 757496 KB Output is correct
2 Correct 377 ms 757496 KB Output is correct
3 Correct 373 ms 757496 KB Output is correct
4 Correct 368 ms 757624 KB Output is correct
5 Correct 369 ms 757468 KB Output is correct
6 Correct 373 ms 757456 KB Output is correct
7 Correct 370 ms 757752 KB Output is correct
8 Correct 372 ms 757496 KB Output is correct
9 Correct 378 ms 757496 KB Output is correct
10 Correct 374 ms 757496 KB Output is correct
11 Correct 374 ms 757496 KB Output is correct
12 Correct 372 ms 757628 KB Output is correct
13 Correct 373 ms 757496 KB Output is correct
14 Correct 377 ms 757472 KB Output is correct
15 Correct 375 ms 757624 KB Output is correct
16 Correct 375 ms 757496 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 379 ms 757496 KB Output is correct
2 Correct 370 ms 757496 KB Output is correct
3 Correct 374 ms 757564 KB Output is correct
4 Correct 377 ms 757496 KB Output is correct
5 Correct 370 ms 757496 KB Output is correct
6 Correct 373 ms 757496 KB Output is correct
7 Correct 371 ms 757548 KB Output is correct
8 Correct 369 ms 757496 KB Output is correct
9 Correct 374 ms 757624 KB Output is correct
10 Correct 368 ms 757496 KB Output is correct
11 Correct 375 ms 757496 KB Output is correct
12 Correct 367 ms 757496 KB Output is correct
13 Correct 371 ms 757496 KB Output is correct
14 Correct 365 ms 757496 KB Output is correct
15 Correct 367 ms 757496 KB Output is correct
16 Correct 367 ms 757500 KB Output is correct
17 Correct 366 ms 757500 KB Output is correct
18 Correct 376 ms 757496 KB Output is correct
19 Correct 374 ms 757496 KB Output is correct
20 Correct 373 ms 757496 KB Output is correct
21 Correct 372 ms 757496 KB Output is correct
22 Correct 378 ms 757536 KB Output is correct
23 Correct 370 ms 757472 KB Output is correct
24 Correct 367 ms 757496 KB Output is correct
25 Correct 369 ms 757496 KB Output is correct
26 Correct 367 ms 757496 KB Output is correct
27 Correct 371 ms 757496 KB Output is correct
28 Correct 370 ms 757496 KB Output is correct
29 Correct 370 ms 757604 KB Output is correct
30 Correct 373 ms 757496 KB Output is correct
31 Correct 369 ms 757496 KB Output is correct
32 Correct 368 ms 757496 KB Output is correct
33 Correct 380 ms 757496 KB Output is correct
34 Correct 369 ms 757496 KB Output is correct
35 Correct 373 ms 757496 KB Output is correct
36 Correct 372 ms 757496 KB Output is correct
37 Correct 367 ms 757504 KB Output is correct
38 Correct 374 ms 757752 KB Output is correct
39 Correct 367 ms 757496 KB Output is correct
40 Correct 371 ms 757624 KB Output is correct
41 Correct 372 ms 757496 KB Output is correct
42 Correct 368 ms 757496 KB Output is correct
43 Correct 377 ms 757496 KB Output is correct
44 Correct 373 ms 757496 KB Output is correct
45 Correct 368 ms 757624 KB Output is correct
46 Correct 369 ms 757468 KB Output is correct
47 Correct 373 ms 757456 KB Output is correct
48 Correct 370 ms 757752 KB Output is correct
49 Correct 372 ms 757496 KB Output is correct
50 Correct 378 ms 757496 KB Output is correct
51 Correct 374 ms 757496 KB Output is correct
52 Correct 374 ms 757496 KB Output is correct
53 Correct 372 ms 757628 KB Output is correct
54 Correct 373 ms 757496 KB Output is correct
55 Correct 377 ms 757472 KB Output is correct
56 Correct 375 ms 757624 KB Output is correct
57 Correct 375 ms 757496 KB Output is correct
58 Correct 457 ms 757496 KB Output is correct
59 Correct 455 ms 757496 KB Output is correct
60 Correct 456 ms 757496 KB Output is correct
61 Correct 465 ms 757424 KB Output is correct
62 Correct 376 ms 757496 KB Output is correct
63 Correct 368 ms 757496 KB Output is correct
64 Correct 406 ms 757496 KB Output is correct
65 Correct 409 ms 757496 KB Output is correct
66 Correct 456 ms 757624 KB Output is correct
67 Correct 455 ms 757624 KB Output is correct
68 Correct 460 ms 757628 KB Output is correct
69 Correct 459 ms 757624 KB Output is correct
70 Correct 461 ms 757624 KB Output is correct
71 Correct 444 ms 757624 KB Output is correct
72 Correct 376 ms 757496 KB Output is correct
73 Correct 368 ms 757496 KB Output is correct