oj.uz

Submission #694053

# Submission time Handle Problem Language Result Execution time Memory
694053 2023-02-03T16:17:13 Z AJR07 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 70 ms 57164 KB 
#include <bits/stdc++.h>
using namespace std;
#ifdef DEBUG
#define DBGRUN(stmt) stmt
#define DBG1(x) cout << #x << ": " << (x) << endl
#define DBG2(x, y) cout << #x << ": " << (x) << ", " << #y << ": " << (y) << endl
#define DBG3(x, y, z) cout << #x << ": " << (x) << ", " << #y << ": " << (y) << ", " << #z << ": " << (z) << endl
#define DBG4(w, x, y, z) cout << #w << ": " << (w) << ", " << #x << ": " << (x) << ", " << #y << ": " << (y) << ", " << #z << ": " << (z) << endl
#define DBG_ARR(a, e) cout << #a << ": "; for (int i = 0; i < e; i++) cout << a[i] << ' '; cout << endl
#define DBG_ARR2D(a, s1, e1, s2, e2) cout << #a << ": " << endl; for (int i = s1; i < e1; i++) { for (int j = s2; j < e2; j++) cout << a[i][j] << ' '; cout << '\n'; }cout << endl
#define DBG_VEC(v) cout << #v << ": "; for (auto i : v) cout << i << ' '; cout << endl
#define DBG_HERE cout << "reached line: " << __LINE__ << endl
#else
#define DBGRUN(stmt)
#define DBG1(x)
#define DBG2(x, y)
#define DBG3(x, y, z)
#define DBG4(w, x, y, z)
#define DBG_ARR(a, e)
#define DBG_ARR2D(a, s1, e1, s2, e2)
#define DBG_VEC(v)
#define DBG_HERE
#endif
#define int long long
#define f first
#define s second
#define pii pair<int, int>
#define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a)) 
#define FORN(a, b, c) for (int(a) = (b); (a) <= (c); ++(a))
#define FORR(a, b, c) for (int(a) = (b); (a) >= (c); --(a))
#define ALLV(v) v.begin(), v.end() 
#define ALLA(arr, sz) arr, arr + sz
#define SORT(v) sort(ALL(v)) 
#define REVERSE(v) reverse(ALL(v))
#define SORTA(arr, sz) sort(ALLA(arr, sz)) 
#define REVERSEA(arr, sz) reverse(ALLA(arr, sz))
template <typename A, typename B> ostream& operator<<(ostream& out, const pair<A, B>& a) { out << "(" << a.first << ", " << a.second << ")"; return out; }
template<typename ...Ts, size_t ...Is> ostream& println_tuple_impl(ostream& os, tuple<Ts...> tuple, index_sequence<Is...>) { static_assert(sizeof...(Is) == sizeof...(Ts), "Indices must have same number of elements as tuple types!"); static_assert(sizeof...(Ts) > 0, "Cannot insert empty tuple into stream."); auto last = sizeof...(Ts) - 1; os << "("; return ((os << get<Is>(tuple) << (Is != last ? ", " : ")\n")), ...); }
template<typename ...Ts> ostream& operator<<(ostream& os, const tuple<Ts...>& tuple) { return println_tuple_impl(os, tuple, index_sequence_for<Ts...>{}); }

int N, R, G, Y;
vector<int> rPos, gPos, yPos;
string S, A;
int precomp[3][3][410];

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> N >> S;
    FOR(i, 0, N) {
        if (S[i] == 'R') {
            R++;
            rPos.push_back(i);
        }
        if (S[i] == 'G') {
            G++;
            gPos.push_back(i);
        }
        if (S[i] == 'Y') {
            Y++;
            yPos.push_back(i);
        }
    }


    // R
    int beforeG = 0, beforeY = 0;
    FOR(i, 0, rPos.size()) {
        while (beforeG < gPos.size() && gPos[beforeG] <= rPos[i]) beforeG++;
        while (beforeY < yPos.size() && yPos[beforeY] <= rPos[i]) beforeY++;
        precomp[0][0][i] = beforeG;
        precomp[0][1][i] = beforeY;
        // DBG3(i, precomp[0][0][i], precomp[0][1][i]);
    }

    // G
    int beforeR = 0;
    beforeY = 0;
    FOR(i, 0, gPos.size()) {
        while (beforeR < rPos.size() && rPos[beforeR] <= gPos[i]) beforeR++;
        while (beforeY < yPos.size() && yPos[beforeY] <= gPos[i]) beforeY++;
        precomp[1][0][i] = beforeR;
        precomp[1][1][i] = beforeY;
        // DBG3(i, precomp[1][0][i], precomp[1][1][i]);
    }

    // Y
    beforeG = 0, beforeR = 0;
    FOR(i, 0, yPos.size()) {
        while (beforeG < gPos.size() && gPos[beforeG] <= yPos[i]) beforeG++;
        while (beforeR < rPos.size() && rPos[beforeR] <= yPos[i]) beforeR++;
        precomp[2][0][i] = beforeR;
        precomp[2][1][i] = beforeG;
        // DBG3(i, precomp[2][0][i], precomp[2][1][i]);
    }


    int memo[R + 1][G + 1][Y + 1][3];
    memset(memo, -1, sizeof memo);
    FOR(i, 0, 3) memo[0][0][0][i] = 0;

    FORN(RR, 0, R) {
        FORN(GG, 0, G) {
            FORN(YY, 0, Y) {
                FOR(lastUsed, 0, 3) {
                    if (memo[RR][GG][YY][lastUsed] == -1) continue;
                    if (RR < R && lastUsed != 0) {
                        int ad = 0;
                        ad += max(GG - (precomp[0][0][RR]), 0ll);
                        ad += max(YY - (precomp[0][1][RR]), 0ll);
                        if (memo[RR + 1][GG][YY][0] == -1)
                            memo[RR + 1][GG][YY][0] = ad + memo[RR][GG][YY][lastUsed];
                        else
                            memo[RR + 1][GG][YY][0] = min(memo[RR + 1][GG][YY][0], ad + memo[RR][GG][YY][lastUsed]);
                        // DBG4(RR + 1, GG, YY, memo[RR + 1][GG][YY][0]);
                    }
                    if (GG < G && lastUsed != 1) {
                        int ad = 0;
                        ad += max(RR - (precomp[1][0][GG]), 0ll);
                        ad += max(YY - (precomp[1][1][GG]), 0ll);
                        if (memo[RR][GG + 1][YY][1] == -1)
                            memo[RR][GG + 1][YY][1] = ad + memo[RR][GG][YY][lastUsed];
                        else
                            memo[RR][GG + 1][YY][1] = min(memo[RR][GG + 1][YY][1], ad + memo[RR][GG][YY][lastUsed]);
                        // DBG4(RR, GG + 1, YY, memo[RR][GG + 1][YY][1]);
                    }

                    if (YY < Y && lastUsed != 2) {
                        int ad = 0;
                        ad += max(RR - (precomp[2][0][YY]), 0ll);
                        ad += max(GG - (precomp[2][1][YY]), 0ll);
                        if (memo[RR][GG][YY + 1][2] == -1)
                            memo[RR][GG][YY + 1][2] = ad + memo[RR][GG][YY][lastUsed];
                        else
                            memo[RR][GG][YY + 1][2] = min(memo[RR][GG][YY + 1][2], ad + memo[RR][GG][YY][lastUsed]);
                        // DBG4(RR, GG, YY + 1, memo[RR][GG][YY + 1][2]);
                    }
                }
            }
        }
    }

    int res = 1e18;
    FOR(i, 0, 3) {
        if (memo[R][G][Y][i] != -1) res = min(res, memo[R][G][Y][i]);
    }
    if (res == 1e18) cout << -1;
    else cout << res;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int32_t main()':
joi2019_ho_t3.cpp:28:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                              ^
joi2019_ho_t3.cpp:51:5: note: in expansion of macro 'FOR'
   51 |     FOR(i, 0, N) {
      |     ^~~
joi2019_ho_t3.cpp:28:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                              ^
joi2019_ho_t3.cpp:69:5: note: in expansion of macro 'FOR'
   69 |     FOR(i, 0, rPos.size()) {
      |     ^~~
joi2019_ho_t3.cpp:28:45: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                                         ~~~~^~~~~
joi2019_ho_t3.cpp:69:5: note: in expansion of macro 'FOR'
   69 |     FOR(i, 0, rPos.size()) {
      |     ^~~
joi2019_ho_t3.cpp:70:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |         while (beforeG < gPos.size() && gPos[beforeG] <= rPos[i]) beforeG++;
      |                ~~~~~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:71:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |         while (beforeY < yPos.size() && yPos[beforeY] <= rPos[i]) beforeY++;
      |                ~~~~~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:28:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                              ^
joi2019_ho_t3.cpp:80:5: note: in expansion of macro 'FOR'
   80 |     FOR(i, 0, gPos.size()) {
      |     ^~~
joi2019_ho_t3.cpp:28:45: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                                         ~~~~^~~~~
joi2019_ho_t3.cpp:80:5: note: in expansion of macro 'FOR'
   80 |     FOR(i, 0, gPos.size()) {
      |     ^~~
joi2019_ho_t3.cpp:81:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |         while (beforeR < rPos.size() && rPos[beforeR] <= gPos[i]) beforeR++;
      |                ~~~~~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:82:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |         while (beforeY < yPos.size() && yPos[beforeY] <= gPos[i]) beforeY++;
      |                ~~~~~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:28:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                              ^
joi2019_ho_t3.cpp:90:5: note: in expansion of macro 'FOR'
   90 |     FOR(i, 0, yPos.size()) {
      |     ^~~
joi2019_ho_t3.cpp:28:45: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                                         ~~~~^~~~~
joi2019_ho_t3.cpp:90:5: note: in expansion of macro 'FOR'
   90 |     FOR(i, 0, yPos.size()) {
      |     ^~~
joi2019_ho_t3.cpp:91:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |         while (beforeG < gPos.size() && gPos[beforeG] <= yPos[i]) beforeG++;
      |                ~~~~~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:92:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   92 |         while (beforeR < rPos.size() && rPos[beforeR] <= yPos[i]) beforeR++;
      |                ~~~~~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:28:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                              ^
joi2019_ho_t3.cpp:101:5: note: in expansion of macro 'FOR'
  101 |     FOR(i, 0, 3) memo[0][0][0][i] = 0;
      |     ^~~
joi2019_ho_t3.cpp:29:31: warning: unnecessary parentheses in declaration of 'RR' [-Wparentheses]
   29 | #define FORN(a, b, c) for (int(a) = (b); (a) <= (c); ++(a))
      |                               ^
joi2019_ho_t3.cpp:103:5: note: in expansion of macro 'FORN'
  103 |     FORN(RR, 0, R) {
      |     ^~~~
joi2019_ho_t3.cpp:29:31: warning: unnecessary parentheses in declaration of 'GG' [-Wparentheses]
   29 | #define FORN(a, b, c) for (int(a) = (b); (a) <= (c); ++(a))
      |                               ^
joi2019_ho_t3.cpp:104:9: note: in expansion of macro 'FORN'
  104 |         FORN(GG, 0, G) {
      |         ^~~~
joi2019_ho_t3.cpp:29:31: warning: unnecessary parentheses in declaration of 'YY' [-Wparentheses]
   29 | #define FORN(a, b, c) for (int(a) = (b); (a) <= (c); ++(a))
      |                               ^
joi2019_ho_t3.cpp:105:13: note: in expansion of macro 'FORN'
  105 |             FORN(YY, 0, Y) {
      |             ^~~~
joi2019_ho_t3.cpp:28:30: warning: unnecessary parentheses in declaration of 'lastUsed' [-Wparentheses]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                              ^
joi2019_ho_t3.cpp:106:17: note: in expansion of macro 'FOR'
  106 |                 FOR(lastUsed, 0, 3) {
      |                 ^~~
joi2019_ho_t3.cpp:28:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   28 | #define FOR(a, b, c) for (int(a) = (b); (a) < (c); ++(a))
      |                              ^
joi2019_ho_t3.cpp:145:5: note: in expansion of macro 'FOR'
  145 |     FOR(i, 0, 3) {
      |     ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 324 KB Output is correct
5 Correct 0 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 324 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 324 KB Output is correct
5 Correct 0 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 324 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 448 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 320 KB Output is correct
26 Correct 1 ms 328 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 324 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 448 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 452 KB Output is correct
38 Correct 1 ms 456 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 328 KB Output is correct
41 Correct 1 ms 340 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 1236 KB Output is correct
3 Correct 1 ms 1236 KB Output is correct
4 Correct 1 ms 1236 KB Output is correct
5 Correct 1 ms 1236 KB Output is correct
6 Correct 1 ms 1236 KB Output is correct
7 Correct 1 ms 1236 KB Output is correct
8 Correct 1 ms 1224 KB Output is correct
9 Correct 1 ms 1224 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1220 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 980 KB Output is correct
15 Correct 1 ms 1216 KB Output is correct
16 Correct 1 ms 1236 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 324 KB Output is correct
5 Correct 0 ms 320 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 324 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 448 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 320 KB Output is correct
26 Correct 1 ms 328 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 324 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 448 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 452 KB Output is correct
38 Correct 1 ms 456 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 328 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 1236 KB Output is correct
44 Correct 1 ms 1236 KB Output is correct
45 Correct 1 ms 1236 KB Output is correct
46 Correct 1 ms 1236 KB Output is correct
47 Correct 1 ms 1236 KB Output is correct
48 Correct 1 ms 1236 KB Output is correct
49 Correct 1 ms 1224 KB Output is correct
50 Correct 1 ms 1224 KB Output is correct
51 Correct 1 ms 1236 KB Output is correct
52 Correct 1 ms 1220 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 1 ms 724 KB Output is correct
55 Correct 1 ms 980 KB Output is correct
56 Correct 1 ms 1216 KB Output is correct
57 Correct 1 ms 1236 KB Output is correct
58 Correct 63 ms 56512 KB Output is correct
59 Correct 61 ms 56648 KB Output is correct
60 Correct 54 ms 56336 KB Output is correct
61 Correct 61 ms 56824 KB Output is correct
62 Correct 3 ms 4964 KB Output is correct
63 Correct 6 ms 8532 KB Output is correct
64 Correct 21 ms 28048 KB Output is correct
65 Correct 33 ms 40344 KB Output is correct
66 Correct 52 ms 55904 KB Output is correct
67 Correct 56 ms 56020 KB Output is correct
68 Correct 56 ms 56752 KB Output is correct
69 Correct 70 ms 57164 KB Output is correct
70 Correct 55 ms 57016 KB Output is correct
71 Correct 59 ms 55744 KB Output is correct
72 Correct 11 ms 14548 KB Output is correct
73 Correct 3 ms 3924 KB Output is correct