oj.uz

답안 #170518

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
170518 2019-12-25T14:40:40 Z stefdasca Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
60 / 100
 144 ms 6556 KB 
#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9

using namespace std;

typedef long long ll;

int n;
string s;
vector<int> v[4];
int dp[402][402][402][3];
bool viz[402][402][402][3];
int sp[5][302];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n;
    cin >> s;
    for(int i = 0; i < n; ++i)
    {
        if(s[i] == 'R')
            v[1].pb(i), sp[1][i]++;
        if(s[i] == 'G')
            v[2].pb(i), sp[2][i]++;
        if(s[i] == 'Y')
            v[3].pb(i), sp[3][i]++;
        if(i)
            for(int j = 1; j <= 3; ++j)
                sp[j][i] += sp[j][i-1];
    }
    viz[0][0][0][0] = viz[0][0][0][1] = viz[0][0][0][2] = 1;
    int mn = (1<<30);
    for(int i = 0; i < n; ++i)
    {
        for(int j = 0; j <= i; ++j)
            for(int k = 0; k <= i; ++k)
                for(int lst = 0; lst <= 2; ++lst)
                {
                    if(!viz[i][j][k][lst])
                        continue;
                    int chR = j;
                    int chG = k;
                    int chY = i - j - k;
                    // next = rosu
                    if(chR < v[1].size() && lst != 0)
                    {
                        int realpos = v[1][chR];
                        if(chG > 0 && v[2][chG-1] > realpos)
                            realpos += sp[2][v[2][chG-1]] - sp[2][realpos];
                        if(chY > 0 && v[3][chY-1] > realpos)
                            realpos += sp[3][v[3][chY-1]] - sp[3][realpos];
                        if(!viz[i+1][j+1][k][0] || dp[i+1][j+1][k][0] > dp[i][j][k][lst] + max(0, realpos - i))
                        {
                            dp[i+1][j+1][k][0] = dp[i][j][k][lst] + max(0, realpos - i);
                            viz[i+1][j+1][k][0] = 1;
                        }
                    }
                    if(chG < v[2].size() && lst != 1)
                    {
                        int realpos = v[2][chG];
                        if(chR > 0 && v[1][chR-1] > realpos)
                            realpos += sp[1][v[1][chR-1]] - sp[1][realpos];
                        if(chY > 0 && v[3][chY-1] > realpos)
                            realpos += sp[3][v[3][chY-1]] - sp[3][realpos];
                        if(!viz[i+1][j][k+1][1] || dp[i+1][j][k+1][1] > dp[i][j][k][lst] + max(0, realpos - i))
                        {
                            dp[i+1][j][k+1][1] = dp[i][j][k][lst] + max(0, realpos - i);
                            viz[i+1][j][k+1][1] = 1;
                        }
                    }
                    if(chY < v[3].size() && lst != 2)
                    {
                        int realpos = v[3][chY];
                        if(chR > 0 && v[1][chR-1] > realpos)
                            realpos += sp[1][v[1][chR-1]] - sp[1][realpos];
                        if(chG > 0 && v[2][chG-1] > realpos)
                            realpos += sp[2][v[2][chG-1]] - sp[2][realpos];
                        if(!viz[i+1][j][k][2] || dp[i+1][j][k][2] > dp[i][j][k][lst] + max(0, realpos - i))
                        {
                            dp[i+1][j][k][2] = dp[i][j][k][lst] + max(0, realpos - i);
                            viz[i+1][j][k][2] = 1;
                        }
                    }
                }
    }
    for(int i = 0; i <= 2; ++i)
        if(viz[n][(int)v[1].size()][(int)v[2].size()][i])
            mn = min(mn, dp[n][(int)v[1].size()][(int)v[2].size()][i]);
    if(mn == (1<<30))
        mn = -1;
    cout << mn;
    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:54:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     if(chR < v[1].size() && lst != 0)
                        ~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:67:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     if(chG < v[2].size() && lst != 1)
                        ~~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:80:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     if(chY < v[3].size() && lst != 2)
                        ~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 632 KB Output is correct
5 Correct 2 ms 760 KB Output is correct
6 Correct 2 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 2 ms 760 KB Output is correct
9 Correct 2 ms 672 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 760 KB Output is correct
12 Correct 3 ms 764 KB Output is correct
13 Correct 3 ms 632 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 760 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 376 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 632 KB Output is correct
5 Correct 2 ms 760 KB Output is correct
6 Correct 2 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 2 ms 760 KB Output is correct
9 Correct 2 ms 672 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 760 KB Output is correct
12 Correct 3 ms 764 KB Output is correct
13 Correct 3 ms 632 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 760 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 7 ms 4216 KB Output is correct
19 Correct 7 ms 4216 KB Output is correct
20 Correct 7 ms 4088 KB Output is correct
21 Correct 7 ms 4344 KB Output is correct
22 Correct 7 ms 3704 KB Output is correct
23 Correct 7 ms 4216 KB Output is correct
24 Correct 6 ms 3448 KB Output is correct
25 Correct 4 ms 1272 KB Output is correct
26 Correct 5 ms 1528 KB Output is correct
27 Correct 6 ms 3704 KB Output is correct
28 Correct 6 ms 4344 KB Output is correct
29 Correct 6 ms 4344 KB Output is correct
30 Correct 6 ms 4220 KB Output is correct
31 Correct 6 ms 4088 KB Output is correct
32 Correct 6 ms 4344 KB Output is correct
33 Correct 4 ms 1656 KB Output is correct
34 Correct 4 ms 2044 KB Output is correct
35 Correct 6 ms 3960 KB Output is correct
36 Correct 6 ms 4088 KB Output is correct
37 Correct 5 ms 3604 KB Output is correct
38 Correct 6 ms 3832 KB Output is correct
39 Correct 6 ms 4344 KB Output is correct
40 Correct 3 ms 888 KB Output is correct
41 Correct 4 ms 1400 KB Output is correct

Subtask #3
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 144 ms 6432 KB Output is correct
3 Correct 144 ms 6520 KB Output is correct
4 Incorrect 143 ms 6556 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 632 KB Output is correct
5 Correct 2 ms 760 KB Output is correct
6 Correct 2 ms 760 KB Output is correct
7 Correct 3 ms 760 KB Output is correct
8 Correct 2 ms 760 KB Output is correct
9 Correct 2 ms 672 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 760 KB Output is correct
12 Correct 3 ms 764 KB Output is correct
13 Correct 3 ms 632 KB Output is correct
14 Correct 3 ms 760 KB Output is correct
15 Correct 3 ms 760 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 7 ms 4216 KB Output is correct
19 Correct 7 ms 4216 KB Output is correct
20 Correct 7 ms 4088 KB Output is correct
21 Correct 7 ms 4344 KB Output is correct
22 Correct 7 ms 3704 KB Output is correct
23 Correct 7 ms 4216 KB Output is correct
24 Correct 6 ms 3448 KB Output is correct
25 Correct 4 ms 1272 KB Output is correct
26 Correct 5 ms 1528 KB Output is correct
27 Correct 6 ms 3704 KB Output is correct
28 Correct 6 ms 4344 KB Output is correct
29 Correct 6 ms 4344 KB Output is correct
30 Correct 6 ms 4220 KB Output is correct
31 Correct 6 ms 4088 KB Output is correct
32 Correct 6 ms 4344 KB Output is correct
33 Correct 4 ms 1656 KB Output is correct
34 Correct 4 ms 2044 KB Output is correct
35 Correct 6 ms 3960 KB Output is correct
36 Correct 6 ms 4088 KB Output is correct
37 Correct 5 ms 3604 KB Output is correct
38 Correct 6 ms 3832 KB Output is correct
39 Correct 6 ms 4344 KB Output is correct
40 Correct 3 ms 888 KB Output is correct
41 Correct 4 ms 1400 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 144 ms 6432 KB Output is correct
44 Correct 144 ms 6520 KB Output is correct
45 Incorrect 143 ms 6556 KB Output isn't correct
46 Halted 0 ms 0 KB -