oj.uz

Submission #1099281

# Submission time Handle Problem Language Result Execution time Memory
1099281 2024-10-11T05:19:19 Z underwaterkillerwhale Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 84 ms 5312 KB 
//#include"holiday.h"
#include <bits/stdc++.h>
#define ll long long
#define rep(i,m,n) for(int i=(m); i<=(n); i++)
#define reb(i,m,n) for(int i=(m); i>=(n); i--)
#define pii pair<int,int>
#define pll pair<ll,ll>
#define MP make_pair
#define fs first
#define se second
#define bit(msk, i) ((msk >> i) & 1)
#define iter(id, v) for(auto id : v)
#define pb push_back
#define SZ(v) (ll)v.size()
#define ALL(v) v.begin(),v.end()

using namespace std;

mt19937_64 rd(chrono :: steady_clock :: now ().time_since_epoch().count());
ll Rand (ll l, ll r) { return uniform_int_distribution<ll> (l, r) (rd); }

const int N = 4e2 + 7;
int Mod = 1e9 + 7;///lon
const int INF = 1e9;
const ll BASE = 137;
const int szBL = 450;

inline void minimize (int &A, int B) {
    if (A > B) A = B;
}

int n;
int a[N];
vector<int> pos[5];
int szC[5];
int pre[5][N];
int dp[2][N][N][5]; ///0, 1

int cost (int cur, int p0, int p1, int p2) {
    return max(0, pre[0][cur] - pre[0][p0]) + max(0, pre[1][cur] - pre[1][p1]) + max(0, pre[2][cur] - pre[2][p2]);
}

void solution () {
    cin >> n;
    string S;
    cin >> S;
    rep (i, 0, 2) pos[i].pb(0);
    rep (i, 1, n) {
        a[i] = (S[i - 1] == 'R' ? 0 : (S[i - 1] == 'G' ? 1 : 2));
        pos[a[i]].pb(i);
        szC[a[i]]++;
    }
    rep (j, 0, 2)
    rep (i, 1, n) {
        pre[j][i] = pre[j][i - 1] + (a[i] == j);
    }
    rep (j, 0, szC[0])
    rep (k, 0, szC[1])
    rep (t, 0, 2) dp[0][j][k][t] = INF;

    dp[0][0][0][1] = 0;
    dp[0][0][0][2] = 0;
    dp[0][0][0][0] = 0;
    rep (i, 0, n) {
        rep (j, 0, szC[0])
        rep (k, 0, szC[1])
        rep (t, 0, 2) dp[i & 1 ^ 1][j][k][t] = INF;
        rep (j, 0, szC[0])
        rep (k, 0, szC[1]) {
            int p = i - j - k;
//            cout << i<<","<<j<<","<<k<<","<<p<<"\n";
            if (j + k > i || p > szC[2])
                continue;
            rep (t, 0, 2) {
                if (j < szC[0] && t != 0) {
                    minimize (dp[i & 1 ^ 1][j + 1][k][0], dp[i & 1][j][k][t] + cost (pos[0][j + 1], pos[0][j + 1], pos[1][k], pos[2][p]) );
                }
                if (k < szC[1] && t != 1) {
                    minimize (dp[i & 1 ^ 1][j][k + 1][1], dp[i & 1][j][k][t] + cost (pos[1][k + 1], pos[0][j], pos[1][k + 1], pos[2][p]) );
                }
                if (p < szC[2] && t != 2) {
                    minimize (dp[i & 1 ^ 1][j][k][2], dp[i & 1][j][k][t] + cost (pos[2][p + 1], pos[0][j], pos[1][k], pos[2][p + 1]) );
                }
            }
        }
    }
    int res = INF;
    rep (i, 0, 2) res = min(res, dp[n & 1][szC[0]][szC[1]][i]);
    if (res > n * n) cout << -1;
    else cout << res <<"\n";

}

#define file(name) freopen(name".inp","r",stdin); \
freopen(name".out","w",stdout);
int main () {
//    file("c");
    ios_base :: sync_with_stdio(false); cin.tie(0); cout.tie(0);
    int num_Test = 1;
//    cin >> num_Test;
    while (num_Test--)
        solution();
}
/*
no bug challenge +10

5 5
01101
10001
00110
10101
00100
*/

Compilation message

joi2019_ho_t3.cpp: In function 'void solution()':
joi2019_ho_t3.cpp:67:28: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   67 |         rep (t, 0, 2) dp[i & 1 ^ 1][j][k][t] = INF;
      |                          ~~^~~
joi2019_ho_t3.cpp:76:36: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   76 |                     minimize (dp[i & 1 ^ 1][j + 1][k][0], dp[i & 1][j][k][t] + cost (pos[0][j + 1], pos[0][j + 1], pos[1][k], pos[2][p]) );
      |                                  ~~^~~
joi2019_ho_t3.cpp:79:36: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   79 |                     minimize (dp[i & 1 ^ 1][j][k + 1][1], dp[i & 1][j][k][t] + cost (pos[1][k + 1], pos[0][j], pos[1][k + 1], pos[2][p]) );
      |                                  ~~^~~
joi2019_ho_t3.cpp:82:36: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   82 |                     minimize (dp[i & 1 ^ 1][j][k][2], dp[i & 1][j][k][t] + cost (pos[2][p + 1], pos[0][j], pos[1][k], pos[2][p + 1]) );
      |                                  ~~^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 2 ms 4444 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2648 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 4564 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2440 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 2 ms 4444 KB Output is correct
34 Correct 1 ms 2652 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 32 ms 4188 KB Output is correct
3 Correct 27 ms 4188 KB Output is correct
4 Correct 27 ms 4436 KB Output is correct
5 Correct 26 ms 4188 KB Output is correct
6 Correct 25 ms 5212 KB Output is correct
7 Correct 26 ms 5212 KB Output is correct
8 Correct 26 ms 4296 KB Output is correct
9 Correct 25 ms 5212 KB Output is correct
10 Correct 31 ms 5208 KB Output is correct
11 Correct 27 ms 4184 KB Output is correct
12 Correct 5 ms 4440 KB Output is correct
13 Correct 9 ms 4736 KB Output is correct
14 Correct 15 ms 4956 KB Output is correct
15 Correct 25 ms 5312 KB Output is correct
16 Correct 26 ms 4184 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 2 ms 4444 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2652 KB Output is correct
26 Correct 1 ms 2648 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 1 ms 4564 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2440 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 2 ms 4444 KB Output is correct
34 Correct 1 ms 2652 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2392 KB Output is correct
42 Correct 1 ms 2396 KB Output is correct
43 Correct 32 ms 4188 KB Output is correct
44 Correct 27 ms 4188 KB Output is correct
45 Correct 27 ms 4436 KB Output is correct
46 Correct 26 ms 4188 KB Output is correct
47 Correct 25 ms 5212 KB Output is correct
48 Correct 26 ms 5212 KB Output is correct
49 Correct 26 ms 4296 KB Output is correct
50 Correct 25 ms 5212 KB Output is correct
51 Correct 31 ms 5208 KB Output is correct
52 Correct 27 ms 4184 KB Output is correct
53 Correct 5 ms 4440 KB Output is correct
54 Correct 9 ms 4736 KB Output is correct
55 Correct 15 ms 4956 KB Output is correct
56 Correct 25 ms 5312 KB Output is correct
57 Correct 26 ms 4184 KB Output is correct
58 Correct 60 ms 3416 KB Output is correct
59 Correct 64 ms 3604 KB Output is correct
60 Correct 76 ms 4952 KB Output is correct
61 Correct 66 ms 4700 KB Output is correct
62 Correct 30 ms 4188 KB Output is correct
63 Correct 33 ms 5212 KB Output is correct
64 Correct 48 ms 5140 KB Output is correct
65 Correct 55 ms 4952 KB Output is correct
66 Correct 65 ms 3416 KB Output is correct
67 Correct 84 ms 3164 KB Output is correct
68 Correct 62 ms 4700 KB Output is correct
69 Correct 62 ms 4700 KB Output is correct
70 Correct 68 ms 3420 KB Output is correct
71 Correct 68 ms 3416 KB Output is correct
72 Correct 21 ms 4088 KB Output is correct
73 Correct 4 ms 2392 KB Output is correct