oj.uz

답안 #63294

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
63294 2018-08-01T09:28:36 Z imeimi2000 Vim (BOI13_vim) C++17
100 / 100
 89 ms 23164 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <unordered_map>
#include <functional>
#include <cstring>
#include <cmath>
#include <ctime>
#include <cstdlib>

using namespace std;
typedef long long llong;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<llong, llong> pll;

int n;
char in[70001];
int str[70001];
int ch[70001];

const int inf = 1e8;
int dp1[70001][10];
int dp2[70001][10][10];

void setMin(int &x, int y) {
    if (x > y) x = y;
}

int main() {
    scanf("%*d%s", in);
    int er = 0;
    for (int i = 0, fs = 0; in[i]; ++i) {
        if (in[i] == 'e') {
            er += 2;
            fs = 1;
        }
        else {
            if (fs) ch[n] = 1, fs = 0;
            str[n] = in[i] - 'a';
            if (in[i] > 'e') --str[n];
            ++n;
        }
    }
    for (int i = 0; i < 10; ++i) {
        dp1[0][i] = inf;
        for (int j = 0; j < 10; ++j) {
            dp2[0][i][j] = inf;
        }
    }
    dp1[0][str[0]] = 0;
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < 10; ++j) {
            dp1[i + 1][j] = inf;
            if (j != str[i] && !ch[i]) setMin(dp1[i + 1][j], dp1[i][j]);
            if (j != str[i]) setMin(dp1[i + 1][j], dp2[i][str[i]][j]);
            setMin(dp1[i + 1][j], dp1[i][str[i]] + 2);
            setMin(dp1[i + 1][j], dp2[i][str[i]][str[i]] + 2);
            
            for (int k = 0; k < 10; ++k) {
                dp2[i + 1][j][k] = inf;
                setMin(dp2[i + 1][j][k], dp1[i][str[i]] + 5);
                setMin(dp2[i + 1][j][k], dp2[i][str[i]][str[i]] + 5);
                if (j != str[i]) {
                    setMin(dp2[i + 1][j][k], dp1[i][j] + 3);
                    setMin(dp2[i + 1][j][k], dp2[i][j][str[i]] + 3);
                }
                if (k != str[i]) {
                    setMin(dp2[i + 1][j][k], dp2[i][str[i]][k] + 3);
                }
                if (j != str[i] && k != str[i])
                    setMin(dp2[i + 1][j][k], dp2[i][j][k] + 1);
            }
        }
    }
    printf("%d\n", dp1[n][9] + er - 2);
	return 0;
}

Compilation message

vim.cpp: In function 'int main()':
vim.cpp:35:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%*d%s", in);
     ~~~~~^~~~~~~~~~~~~

Subtask #1
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 3 ms 560 KB Output is correct
4 Correct 3 ms 596 KB Output is correct
5 Correct 3 ms 596 KB Output is correct
6 Correct 2 ms 596 KB Output is correct
7 Correct 3 ms 720 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 720 KB Output is correct
11 Correct 2 ms 720 KB Output is correct
12 Correct 2 ms 720 KB Output is correct
13 Correct 3 ms 720 KB Output is correct
14 Correct 3 ms 720 KB Output is correct
15 Correct 3 ms 720 KB Output is correct
16 Correct 3 ms 720 KB Output is correct
17 Correct 3 ms 720 KB Output is correct
18 Correct 4 ms 720 KB Output is correct
19 Correct 3 ms 720 KB Output is correct
20 Correct 3 ms 720 KB Output is correct
21 Correct 3 ms 828 KB Output is correct
22 Correct 3 ms 828 KB Output is correct
23 Correct 4 ms 828 KB Output is correct
24 Correct 3 ms 828 KB Output is correct
25 Correct 3 ms 828 KB Output is correct
26 Correct 3 ms 828 KB Output is correct
27 Correct 2 ms 828 KB Output is correct
28 Correct 3 ms 828 KB Output is correct
29 Correct 3 ms 828 KB Output is correct
30 Correct 3 ms 828 KB Output is correct
31 Correct 3 ms 828 KB Output is correct
32 Correct 4 ms 828 KB Output is correct
33 Correct 2 ms 828 KB Output is correct
34 Correct 3 ms 828 KB Output is correct
35 Correct 2 ms 828 KB Output is correct
36 Correct 2 ms 828 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 1404 KB Output is correct
2 Correct 6 ms 1788 KB Output is correct
3 Correct 3 ms 1788 KB Output is correct
4 Correct 4 ms 1788 KB Output is correct
5 Correct 6 ms 1788 KB Output is correct
6 Correct 7 ms 2172 KB Output is correct
7 Correct 4 ms 2172 KB Output is correct
8 Correct 5 ms 2172 KB Output is correct
9 Correct 6 ms 2172 KB Output is correct
10 Correct 5 ms 2172 KB Output is correct

Subtask #3
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 50 ms 20220 KB Output is correct
2 Correct 62 ms 20220 KB Output is correct
3 Correct 49 ms 20476 KB Output is correct
4 Correct 47 ms 20820 KB Output is correct
5 Correct 63 ms 23036 KB Output is correct
6 Correct 36 ms 23036 KB Output is correct
7 Correct 46 ms 23036 KB Output is correct
8 Correct 48 ms 23036 KB Output is correct
9 Correct 49 ms 23036 KB Output is correct
10 Correct 37 ms 23036 KB Output is correct
11 Correct 48 ms 23036 KB Output is correct
12 Correct 52 ms 23164 KB Output is correct
13 Correct 89 ms 23164 KB Output is correct
14 Correct 53 ms 23164 KB Output is correct
15 Correct 48 ms 23164 KB Output is correct
16 Correct 44 ms 23164 KB Output is correct
17 Correct 49 ms 23164 KB Output is correct
18 Correct 58 ms 23164 KB Output is correct
19 Correct 45 ms 23164 KB Output is correct
20 Correct 41 ms 23164 KB Output is correct