oj.uz

답안 #559915

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
559915 2022-05-11T00:52:53 Z Tien_Noob Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
15 / 100
 44 ms 95620 KB 
//Make CSP great again
//Vengeance
#include <bits/stdc++.h>
#define TASK "TESTCODE"
#define Log2(x) 31 - __builtin_clz(x)
using namespace std;
const int N = 200;
vector<int> pos[3];
int cnt[3], dp[N + 1][N + 1][N + 1][3];
int n;
string s;
int convert(char c)
{
    if (c == 'R')
    {
        return 0;
    }
    if (c == 'G')
    {
        return 1;
    }
    if (c == 'Y')
    {
        return 2;
    }
}
void read()
{
    pos[0] = pos[1] = pos[2] = {0};
    cin >> n >> s;
    int i = 1;
    for (char &c : s)
    {
        ++cnt[convert(c)];
        pos[convert(c)].push_back(i);
        ++i;
    }
}
bool minimize(int &a, int b)
{
    if (a > b)
    {
        a = b;
        return true;
    }
    return false;
}
void solve()
{
    if (max({cnt[0], cnt[1], cnt[2]}) > (n + 1)/2)
    {
        cout << -1;
        return ;
    }
    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 l = 0; l < 3; ++ l)
                {
                    if (i == 0 && j == 0 && k == 0)
                    {
                        dp[i][j][k][l] = 0;
                    }
                    else
                    {
                        dp[i][j][k][l] = 1e9;
                    }
                }
                if (i > 0)
                {
                    minimize(dp[i][j][k][0], min(dp[i - 1][j][k][1], dp[i - 1][j][k][2]) + abs(i + j + k - pos[0][i]));
                }
                if (j > 0)
                {
                    minimize(dp[i][j][k][1], min(dp[i][j - 1][k][0], dp[i][j - 1][k][2]) + abs(i + j + k - pos[1][j]));
                }
                if (k > 0)
                {
                    minimize(dp[i][j][k][2], min(dp[i][j][k - 1][0], dp[i][j][k - 1][1]) + abs(i + j + k - pos[2][k]));
                }
            }
        }
    }
    int res = 1e9;
    for (int i = 0; i < 3; ++ i)
    {
        res = min(res, dp[cnt[0]][cnt[1]][cnt[2]][i]);
    }
    cout << res/2;
}
int  main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    if (fopen(TASK".INP", "r"))
    {
        freopen(TASK".INP", "r", stdin);
        //freopen(TASK".OUT", "w", stdout);
    }
    int t = 1;
    bool typetest = false;
    if (typetest)
    {
        cin >> t;
    }
    for (int __ = 1; __ <= t; ++ __)
    {
        //cout << "Case " << __ << ": ";
        read();
        solve();
    }
}

Compilation message

joi2019_ho_t3.cpp: In function 'int convert(char)':
joi2019_ho_t3.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
   26 | }
      | ^
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:100:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  100 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 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 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Incorrect 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #2
0 / 55.0

# 결과 실행 시간 메모리 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 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Incorrect 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 34 ms 95604 KB Output is correct
3 Correct 33 ms 95448 KB Output is correct
4 Correct 44 ms 95556 KB Output is correct
5 Correct 42 ms 95564 KB Output is correct
6 Correct 35 ms 95608 KB Output is correct
7 Correct 37 ms 95100 KB Output is correct
8 Correct 33 ms 95072 KB Output is correct
9 Correct 34 ms 95060 KB Output is correct
10 Correct 35 ms 95572 KB Output is correct
11 Correct 35 ms 95620 KB Output is correct
12 Correct 10 ms 26068 KB Output is correct
13 Correct 20 ms 45524 KB Output is correct
14 Correct 29 ms 65568 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 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 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 468 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Incorrect 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -