oj.uz

답안 #922464

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
922464 2024-02-05T14:20:08 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 780664 KB 
 
#include <bits/stdc++.h>
     
    using namespace std;
    
    #define lli long long int
    #define MP make_pair
    #define pb push_back
    #define REP(i,n) for(int (i) = 0; (i) < (n); (i)++)

     
    void fastio() {
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
    }
     
     
    const double EPS = 0.00001;
    const int INF = 1e9+500;
    const int N = 405;
    const int ALPH = 26;
    const int LGN = 25;
    const int MOD = 1e9+7;
    int n,m,q;
    int dp[N][N][N][3];
    vector<int> s;
    vector<int> p[3];
    int mxs[3];
    vector<int> plac[3]; // 1 - indexed
    void find_oth(int x, vector<int> &oth) {
        oth.clear();
        for(int i = 0; i<3; i++) {
            if(i == x) continue;
            oth.pb(i);
        }
        
    }
     
    void reset() {
        REP(i,N) REP(j,N) REP(k,N) REP(t,3) {
            dp[i][j][k][t] = INF;
        } 
    }
     
    inline void solve() {
        cin>>n;
        string tmp;
        cin>>tmp;
        s.assign(n+3, -1);
        for(int i = 0; i<n; i++) {
            if(tmp[i] == 'R') s[i + 1] = 0;
            if(tmp[i] == 'G') s[i + 1] = 1;
            if(tmp[i] == 'Y') s[i + 1] = 2;
     
        }
        reset();
        REP(i,3) {
            p[i].assign(n+2, 0);
            p[i][0] = 0;
            plac[i].pb(0);
            dp[0][0][0][i] = 0;
        }
        for(int i = 1; i<=n; i++) {
            plac[ s[i] ].pb(i);
        }
        for(int t = 0; t<3; t++) {
            for(int i = 1; i<=n; i++) {
                p[t][i] = p[t][i - 1] + (s[i] == t);
            }
            mxs[t] = p[t][n];
        }
     
        for(int i = 1; i<=n; i++) {
            array<int,3> cnt;
            for(cnt[0] = 0; cnt[0] <= mxs[0]; cnt[0]++) {
                for(cnt[1] = 0; cnt[1] <= mxs[1]; cnt[1]++) {
                    if(cnt[1] + cnt[0] > i) break;
                    cnt[2] = i - cnt[0] - cnt[1];
                    if(cnt[2] > mxs[2]) continue;
                    for(int cur = 0; cur<3; cur++) {
                        if(cnt[cur] == 0) continue;
                        int ind = plac[cur][cnt[cur]];
                        int bef = 0;
                        for(int t = 0; t<3; t++) {
                            bef += min(p[t][ind - 1], cnt[t] - (t == cur));    
                        }
                        int aft = i - 1 - bef;
                        int nwind = ind + aft;
                        int cost = nwind - i;
                        vector<int> lst;
                        find_oth(cur, lst);
                        int prcnt[3];
                        for(int t = 0; t<3; t++) {
                            prcnt[t] = cnt[t];
                            if(t == cur) prcnt[t]--;
                        }
                        for(auto el : lst) {
                            dp[i][cnt[0]][cnt[1]][cur] = min(dp[i][cnt[0]][cnt[1]][cur], cost + dp[i - 1][prcnt[0]][prcnt[1]][el]);
                        }
                    }
                }
            }
        }
     
        int ans = INF;
        for(int i = 0; i<3; i++) ans = min(dp[n][mxs[0]][mxs[1]][i], ans);
        if(ans == INF) ans = -1;
        cout<<ans<<"\n"; 
    }
     
    signed main() {
     
        fastio();
        int test = 1;
        //cin>>test;
        while(test--) {
            solve();
        }
        
    }

Compilation message

joi2019_ho_t3.cpp: In function 'void reset()':
joi2019_ho_t3.cpp:9:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 |     #define REP(i,n) for(int (i) = 0; (i) < (n); (i)++)
      |                              ^
joi2019_ho_t3.cpp:40:9: note: in expansion of macro 'REP'
   40 |         REP(i,N) REP(j,N) REP(k,N) REP(t,3) {
      |         ^~~
joi2019_ho_t3.cpp:9:30: warning: unnecessary parentheses in declaration of 'j' [-Wparentheses]
    9 |     #define REP(i,n) for(int (i) = 0; (i) < (n); (i)++)
      |                              ^
joi2019_ho_t3.cpp:40:18: note: in expansion of macro 'REP'
   40 |         REP(i,N) REP(j,N) REP(k,N) REP(t,3) {
      |                  ^~~
joi2019_ho_t3.cpp:9:30: warning: unnecessary parentheses in declaration of 'k' [-Wparentheses]
    9 |     #define REP(i,n) for(int (i) = 0; (i) < (n); (i)++)
      |                              ^
joi2019_ho_t3.cpp:40:27: note: in expansion of macro 'REP'
   40 |         REP(i,N) REP(j,N) REP(k,N) REP(t,3) {
      |                           ^~~
joi2019_ho_t3.cpp:9:30: warning: unnecessary parentheses in declaration of 't' [-Wparentheses]
    9 |     #define REP(i,n) for(int (i) = 0; (i) < (n); (i)++)
      |                              ^
joi2019_ho_t3.cpp:40:36: note: in expansion of macro 'REP'
   40 |         REP(i,N) REP(j,N) REP(k,N) REP(t,3) {
      |                                    ^~~
joi2019_ho_t3.cpp: In function 'void solve()':
joi2019_ho_t3.cpp:9:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 |     #define REP(i,n) for(int (i) = 0; (i) < (n); (i)++)
      |                              ^
joi2019_ho_t3.cpp:57:9: note: in expansion of macro 'REP'
   57 |         REP(i,3) {
      |         ^~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 153 ms 780332 KB Output is correct
2 Correct 148 ms 780432 KB Output is correct
3 Correct 148 ms 780392 KB Output is correct
4 Correct 156 ms 780352 KB Output is correct
5 Correct 149 ms 780224 KB Output is correct
6 Correct 146 ms 780372 KB Output is correct
7 Correct 146 ms 780372 KB Output is correct
8 Correct 151 ms 780276 KB Output is correct
9 Correct 153 ms 780324 KB Output is correct
10 Correct 146 ms 780432 KB Output is correct
11 Correct 150 ms 780372 KB Output is correct
12 Correct 152 ms 780228 KB Output is correct
13 Correct 146 ms 780288 KB Output is correct
14 Correct 147 ms 780428 KB Output is correct
15 Correct 150 ms 780392 KB Output is correct
16 Correct 156 ms 780504 KB Output is correct
17 Correct 161 ms 780372 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 153 ms 780332 KB Output is correct
2 Correct 148 ms 780432 KB Output is correct
3 Correct 148 ms 780392 KB Output is correct
4 Correct 156 ms 780352 KB Output is correct
5 Correct 149 ms 780224 KB Output is correct
6 Correct 146 ms 780372 KB Output is correct
7 Correct 146 ms 780372 KB Output is correct
8 Correct 151 ms 780276 KB Output is correct
9 Correct 153 ms 780324 KB Output is correct
10 Correct 146 ms 780432 KB Output is correct
11 Correct 150 ms 780372 KB Output is correct
12 Correct 152 ms 780228 KB Output is correct
13 Correct 146 ms 780288 KB Output is correct
14 Correct 147 ms 780428 KB Output is correct
15 Correct 150 ms 780392 KB Output is correct
16 Correct 156 ms 780504 KB Output is correct
17 Correct 161 ms 780372 KB Output is correct
18 Correct 152 ms 780372 KB Output is correct
19 Correct 148 ms 780212 KB Output is correct
20 Correct 147 ms 780452 KB Output is correct
21 Correct 150 ms 780220 KB Output is correct
22 Correct 152 ms 780368 KB Output is correct
23 Correct 154 ms 780368 KB Output is correct
24 Correct 147 ms 780372 KB Output is correct
25 Correct 146 ms 780428 KB Output is correct
26 Correct 149 ms 780392 KB Output is correct
27 Correct 148 ms 780372 KB Output is correct
28 Correct 154 ms 780548 KB Output is correct
29 Correct 167 ms 780416 KB Output is correct
30 Correct 147 ms 780368 KB Output is correct
31 Correct 152 ms 780308 KB Output is correct
32 Correct 164 ms 780244 KB Output is correct
33 Correct 151 ms 780372 KB Output is correct
34 Correct 150 ms 780356 KB Output is correct
35 Correct 146 ms 780296 KB Output is correct
36 Correct 153 ms 780300 KB Output is correct
37 Correct 163 ms 780372 KB Output is correct
38 Correct 157 ms 780368 KB Output is correct
39 Correct 148 ms 780328 KB Output is correct
40 Correct 164 ms 780596 KB Output is correct
41 Correct 151 ms 780296 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 151 ms 780480 KB Output is correct
2 Correct 180 ms 780372 KB Output is correct
3 Correct 172 ms 780224 KB Output is correct
4 Correct 174 ms 780424 KB Output is correct
5 Correct 170 ms 780272 KB Output is correct
6 Correct 175 ms 780372 KB Output is correct
7 Correct 170 ms 780444 KB Output is correct
8 Correct 178 ms 780524 KB Output is correct
9 Correct 182 ms 780664 KB Output is correct
10 Correct 173 ms 780372 KB Output is correct
11 Correct 177 ms 780272 KB Output is correct
12 Correct 157 ms 780192 KB Output is correct
13 Correct 161 ms 780364 KB Output is correct
14 Correct 163 ms 780436 KB Output is correct
15 Correct 173 ms 780200 KB Output is correct
16 Correct 184 ms 780204 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 153 ms 780332 KB Output is correct
2 Correct 148 ms 780432 KB Output is correct
3 Correct 148 ms 780392 KB Output is correct
4 Correct 156 ms 780352 KB Output is correct
5 Correct 149 ms 780224 KB Output is correct
6 Correct 146 ms 780372 KB Output is correct
7 Correct 146 ms 780372 KB Output is correct
8 Correct 151 ms 780276 KB Output is correct
9 Correct 153 ms 780324 KB Output is correct
10 Correct 146 ms 780432 KB Output is correct
11 Correct 150 ms 780372 KB Output is correct
12 Correct 152 ms 780228 KB Output is correct
13 Correct 146 ms 780288 KB Output is correct
14 Correct 147 ms 780428 KB Output is correct
15 Correct 150 ms 780392 KB Output is correct
16 Correct 156 ms 780504 KB Output is correct
17 Correct 161 ms 780372 KB Output is correct
18 Correct 152 ms 780372 KB Output is correct
19 Correct 148 ms 780212 KB Output is correct
20 Correct 147 ms 780452 KB Output is correct
21 Correct 150 ms 780220 KB Output is correct
22 Correct 152 ms 780368 KB Output is correct
23 Correct 154 ms 780368 KB Output is correct
24 Correct 147 ms 780372 KB Output is correct
25 Correct 146 ms 780428 KB Output is correct
26 Correct 149 ms 780392 KB Output is correct
27 Correct 148 ms 780372 KB Output is correct
28 Correct 154 ms 780548 KB Output is correct
29 Correct 167 ms 780416 KB Output is correct
30 Correct 147 ms 780368 KB Output is correct
31 Correct 152 ms 780308 KB Output is correct
32 Correct 164 ms 780244 KB Output is correct
33 Correct 151 ms 780372 KB Output is correct
34 Correct 150 ms 780356 KB Output is correct
35 Correct 146 ms 780296 KB Output is correct
36 Correct 153 ms 780300 KB Output is correct
37 Correct 163 ms 780372 KB Output is correct
38 Correct 157 ms 780368 KB Output is correct
39 Correct 148 ms 780328 KB Output is correct
40 Correct 164 ms 780596 KB Output is correct
41 Correct 151 ms 780296 KB Output is correct
42 Correct 151 ms 780480 KB Output is correct
43 Correct 180 ms 780372 KB Output is correct
44 Correct 172 ms 780224 KB Output is correct
45 Correct 174 ms 780424 KB Output is correct
46 Correct 170 ms 780272 KB Output is correct
47 Correct 175 ms 780372 KB Output is correct
48 Correct 170 ms 780444 KB Output is correct
49 Correct 178 ms 780524 KB Output is correct
50 Correct 182 ms 780664 KB Output is correct
51 Correct 173 ms 780372 KB Output is correct
52 Correct 177 ms 780272 KB Output is correct
53 Correct 157 ms 780192 KB Output is correct
54 Correct 161 ms 780364 KB Output is correct
55 Correct 163 ms 780436 KB Output is correct
56 Correct 173 ms 780200 KB Output is correct
57 Correct 184 ms 780204 KB Output is correct
58 Execution timed out 521 ms 780444 KB Time limit exceeded
59 Halted 0 ms 0 KB -