oj.uz

답안 #218969

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
218969 2020-04-03T10:14:58 Z Rakhmand Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 161 ms 163144 KB 
//  I feel still alive.
//  Created by existence on 18/04/2003.
//  Copyright © 2020 Rakhman. All rights reserved.
#include <cstring>
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cassert>
#include <iterator>

#define ios ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define S second
#define F first
#define nl '\n'

const long long mxn = 510501;
const long long mod = 1e5 + 7;
const long long inf = 1e18;

typedef long long llong;

using namespace std;

void istxt(bool yes){
    if(yes == 1){
        freopen("sum2.in", "r", stdin);
        freopen("sum2.out", "w", stdout);
    }else{
        freopen("/Users/rakhmanabdirashov/Desktop/folder/Programming/Road2Master/Road2Master/input.txt", "r", stdin);
    }
}

int n, cnt[3], dp[410][410][410][3], a[mxn], pr[mxn][3];
int nx[3][410];
string s;

int main(){
    ios;
    cin >> n;
    cin >> s;
    s = '#' + s;
    for(int i = 1; i <= n; i++){
        a[i] = (s[i] == 'R' ? 0 : (s[i] == 'G' ? 1 : 2));
        cnt[a[i]]++;
        nx[a[i]][cnt[a[i]]] = i;
    }
    for(int i = 1; i <= n; i++){
        for(int f = 0; f <= 2; f++){
            pr[i][f] = pr[i - 1][f];
        }
        pr[i][a[i]]++;
    }
    for(int i = 0; i <= cnt[0]; i++){
        for(int j = 0; j <= cnt[1]; j++){
            for(int k = 0; k <= cnt[2]; k++){
                for(int f = 0; f <= 2; f++){
                    dp[i][j][k][f] = mxn;
                }
            }
        }
    }
    for(int f = 0; f <= 2; f++) dp[0][0][0][f] = 0;
    for(int i = 0; i <= cnt[0]; i++){
        for(int j = 0; j <= cnt[1]; j++){
            for(int k = 0; k <= cnt[2]; k++){
                for(int last = 0; last < 3; last ++){
                    for(int cur = 0; cur < 3; cur++){
                        if(cur == last) continue;
                        if((cur == 0 && cnt[0] == i) || (cur == 1 && cnt[1] == j) || (cur == 2 && cnt[2] == k)) continue;
                        
                        int ans = 0;
                        int pos1, pos2, pos3;
                        int other = 3 - last - cur;
                        if(last == 0){
                            pos1 = nx[0][i];
                            if(cur == 1){
                                pos2 = nx[1][j + 1], pos3 = nx[2][k];
                            }else{
                                pos2 = nx[2][k + 1], pos3 = nx[1][j];
                            }
                        }else if(last == 1){
                            pos1 = nx[1][j];
                            if(cur == 0){
                                pos2 = nx[0][i + 1], pos3 = nx[2][k];
                            }else{
                                pos2 = nx[2][k + 1], pos3 = nx[0][i];
                            }
                        }else{
                            pos1 = nx[2][k];
                            if(cur == 0){
                                pos2 = nx[0][i + 1], pos3 = nx[1][j];
                            }else{
                                pos2 = nx[1][j + 1], pos3 = nx[0][i];
                            }
                        }
                        ans += max(0, pr[pos2][last] - pr[pos1][last]);
                        ans += max(0, pr[pos2][other] - pr[pos3][other]);
                        ans += dp[i][j][k][last];
                        if(cur == 0){
                            dp[i + 1][j][k][cur] = min(dp[i + 1][j][k][cur], ans);
                        }else if(cur == 1){
                            dp[i][j + 1][k][cur] = min(dp[i][j + 1][k][cur], ans);
                        }else{
                            dp[i][j][k + 1][cur] = min(dp[i][j][k + 1][cur], ans);
                        }
                    }
                }
            }
        }
    }
    int ans = mxn;
    for(int i = 0; i < 3; i++){
        ans = min(ans, dp[cnt[0]][cnt[1]][cnt[2]][i]);
    }
    if(ans == mxn) cout << -1;
    else cout << ans;
}

Compilation message

joi2019_ho_t3.cpp: In function 'void istxt(bool)':
joi2019_ho_t3.cpp:42:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("sum2.in", "r", stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:43:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("sum2.out", "w", stdout);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:45:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("/Users/rakhmanabdirashov/Desktop/folder/Programming/Road2Master/Road2Master/input.txt", "r", stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 640 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 640 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 6 ms 2432 KB Output is correct
19 Correct 6 ms 1920 KB Output is correct
20 Correct 6 ms 2304 KB Output is correct
21 Correct 6 ms 2432 KB Output is correct
22 Correct 5 ms 1792 KB Output is correct
23 Correct 6 ms 2176 KB Output is correct
24 Correct 5 ms 1664 KB Output is correct
25 Correct 6 ms 4096 KB Output is correct
26 Correct 6 ms 4224 KB Output is correct
27 Correct 6 ms 3072 KB Output is correct
28 Correct 6 ms 2432 KB Output is correct
29 Correct 6 ms 2304 KB Output is correct
30 Correct 7 ms 2304 KB Output is correct
31 Correct 6 ms 2048 KB Output is correct
32 Correct 6 ms 2432 KB Output is correct
33 Correct 6 ms 3840 KB Output is correct
34 Correct 6 ms 3584 KB Output is correct
35 Correct 6 ms 2688 KB Output is correct
36 Correct 5 ms 1920 KB Output is correct
37 Correct 6 ms 1792 KB Output is correct
38 Correct 6 ms 2176 KB Output is correct
39 Correct 6 ms 2432 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 6 ms 2304 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 80 ms 163064 KB Output is correct
3 Correct 76 ms 162296 KB Output is correct
4 Correct 77 ms 163064 KB Output is correct
5 Correct 78 ms 163064 KB Output is correct
6 Correct 77 ms 163068 KB Output is correct
7 Correct 76 ms 162168 KB Output is correct
8 Correct 78 ms 162168 KB Output is correct
9 Correct 76 ms 161400 KB Output is correct
10 Correct 82 ms 163144 KB Output is correct
11 Correct 81 ms 163064 KB Output is correct
12 Correct 25 ms 44032 KB Output is correct
13 Correct 40 ms 77176 KB Output is correct
14 Correct 55 ms 111480 KB Output is correct
15 Correct 79 ms 163064 KB Output is correct
16 Correct 78 ms 163064 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 640 KB Output is correct
11 Correct 4 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 6 ms 2432 KB Output is correct
19 Correct 6 ms 1920 KB Output is correct
20 Correct 6 ms 2304 KB Output is correct
21 Correct 6 ms 2432 KB Output is correct
22 Correct 5 ms 1792 KB Output is correct
23 Correct 6 ms 2176 KB Output is correct
24 Correct 5 ms 1664 KB Output is correct
25 Correct 6 ms 4096 KB Output is correct
26 Correct 6 ms 4224 KB Output is correct
27 Correct 6 ms 3072 KB Output is correct
28 Correct 6 ms 2432 KB Output is correct
29 Correct 6 ms 2304 KB Output is correct
30 Correct 7 ms 2304 KB Output is correct
31 Correct 6 ms 2048 KB Output is correct
32 Correct 6 ms 2432 KB Output is correct
33 Correct 6 ms 3840 KB Output is correct
34 Correct 6 ms 3584 KB Output is correct
35 Correct 6 ms 2688 KB Output is correct
36 Correct 5 ms 1920 KB Output is correct
37 Correct 6 ms 1792 KB Output is correct
38 Correct 6 ms 2176 KB Output is correct
39 Correct 6 ms 2432 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 6 ms 2304 KB Output is correct
42 Correct 4 ms 384 KB Output is correct
43 Correct 80 ms 163064 KB Output is correct
44 Correct 76 ms 162296 KB Output is correct
45 Correct 77 ms 163064 KB Output is correct
46 Correct 78 ms 163064 KB Output is correct
47 Correct 77 ms 163068 KB Output is correct
48 Correct 76 ms 162168 KB Output is correct
49 Correct 78 ms 162168 KB Output is correct
50 Correct 76 ms 161400 KB Output is correct
51 Correct 82 ms 163144 KB Output is correct
52 Correct 81 ms 163064 KB Output is correct
53 Correct 25 ms 44032 KB Output is correct
54 Correct 40 ms 77176 KB Output is correct
55 Correct 55 ms 111480 KB Output is correct
56 Correct 79 ms 163064 KB Output is correct
57 Correct 78 ms 163064 KB Output is correct
58 Correct 149 ms 77176 KB Output is correct
59 Correct 158 ms 97792 KB Output is correct
60 Correct 153 ms 88952 KB Output is correct
61 Correct 161 ms 86136 KB Output is correct
62 Correct 88 ms 160760 KB Output is correct
63 Correct 93 ms 160248 KB Output is correct
64 Correct 129 ms 150136 KB Output is correct
65 Correct 153 ms 138616 KB Output is correct
66 Correct 154 ms 87160 KB Output is correct
67 Correct 150 ms 83968 KB Output is correct
68 Correct 157 ms 89848 KB Output is correct
69 Correct 154 ms 86520 KB Output is correct
70 Correct 158 ms 93816 KB Output is correct
71 Correct 152 ms 84984 KB Output is correct
72 Correct 54 ms 42112 KB Output is correct
73 Correct 12 ms 2944 KB Output is correct