oj.uz

답안 #542074

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
542074 2022-03-25T10:04:00 Z PixelCat Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 261 ms 2044 KB 
/*       code by the cute PixelCat owo       */
/*   as cute as nacho neko (aka. my wife)!   */
//#pragma GCC optimize("O4,unroll-loops,no-stack-protector")
#include <bits/stdc++.h>
#define int LL  //__int128
#define double long double
using namespace std;
using LL = long long;
using uLL = unsigned long long;
using pii = pair<int, int>;

#define For(i, a, b) for (int i = a; i <= b; i++)
#define Fors(i, a, b, s) for (int i = a; i <= b; i += s)
#define Forr(i, a, b) for (int i = a; i >= b; i--)
#define F first
#define S second
#define L(id) (id * 2 + 1)
#define R(id) (id * 2 + 2)
#define LO(x) (x & (-x))

#define eb emplace_back
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define mkp make_pair

#define MOD (int)(1000000007)
#define INF (int)(1000000000000000ll)  // 1e15
#define EPS (1e-6)

#ifdef NYAOWO
#include "library/debug.hpp"
inline void USACO(const string &s) {
    cerr << "USACO: " << s << "\n";
}

#else
#define debug(...)
inline void timer() {}
inline void USACO(const string &s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

#endif

inline void NYA() {
    ios::sync_with_stdio(false);
    cin.tie(0);
}
inline int gcd(int a, int b) {
    return __gcd(a, b);
}
inline int lcm(int a, int b) {
    return a / gcd(a, b) * b;
}
int fpow(int b, int p, const int &mod) {
    int ans = 1;
    while (p) {
        if (p & 1) ans = ans * b % mod;
        p /= 2;
        b = b * b % mod;
    }
    return ans;
}
template <typename T>
inline void chmin(T &_a, const T &_b) {
    if (_b < _a) _a = _b;
}
template <typename T>
inline void chmax(T &_a, const T &_b) {
    if (_b > _a) _a = _b;
}
// mt19937_64 rng(
//     chrono::steady_clock::now().time_since_epoch().count());

const int MAXN=410;

vector<int32_t> p[3];
int32_t dp[2][MAXN][MAXN][3];

int32_t main() {
    NYA();
    // nyaacho >/////<
    // miku sama bless me >/////<
    int n; cin>>n;
    string s; cin>>s;
    For(i,0,2) p[i].eb(-1);
    int cnt[3]={0};
    For(i,1,n){
        int j;
        if(s[i-1]=='R') j=0;
        else if(s[i-1]=='G') j=1;
        else j=2;
        p[j].eb(i);
        cnt[j]++;
    }
    // For(i,0,2) debug(i,cnt[i],p[i]);
    auto cost=[&](int i,int j,int k,int c,int x){
        int ans=0;
        ans+=lower_bound(p[0].begin()+1+i,p[0].end(),p[c][x])
             -p[0].begin()-i-1;
        ans+=lower_bound(p[1].begin()+1+j,p[1].end(),p[c][x])
             -p[1].begin()-j-1;
        ans+=lower_bound(p[2].begin()+1+k,p[2].end(),p[c][x])
             -p[2].begin()-k-1;
        return ans;
    };
    For(i,0,cnt[0]) For(j,0,cnt[1]) For(k,0,cnt[2]) For(end,0,2){
        dp[i&1][j][k][end]=0x3f3f3f3f;
        if(i+j+k==0){
            dp[i&1][j][k][end]=0;
            continue;
        }
        int ii=i&1;
        int i2=!(i&1);
        if(end==0){
            if(!i) continue;
            dp[ii][j][k][end]=min(
                dp[i2][j][k][1],dp[i2][j][k][2]
            )+cost(i,j,k,0,i);
        }else if(end==1){
            if(!j) continue;
            dp[ii][j][k][end]=min(
                dp[ii][j-1][k][0],dp[ii][j-1][k][2]
            )+cost(i,j,k,1,j);
        }else if(end==2){
            if(!k) continue;
            dp[ii][j][k][end]=min(
                dp[ii][j][k-1][0],dp[ii][j][k-1][1]
            )+cost(i,j,k,2,k);
        }
    }
    auto ans=0x3f3f3f3f;
    For(e,0,2) chmin(ans,dp[cnt[0]&1][cnt[1]][cnt[2]][e]);
    if(ans<0x3f3f3f3f) cout<<ans<<"\n";
    else cout<<"-1\n";
    // debug(cost(1,1,1,2,2));
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 480 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 452 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 1 ms 524 KB Output is correct
35 Correct 2 ms 452 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 460 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 596 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 3 ms 1860 KB Output is correct
3 Correct 3 ms 1876 KB Output is correct
4 Correct 4 ms 1876 KB Output is correct
5 Correct 4 ms 1952 KB Output is correct
6 Correct 4 ms 1876 KB Output is correct
7 Correct 4 ms 1860 KB Output is correct
8 Correct 5 ms 1876 KB Output is correct
9 Correct 4 ms 1876 KB Output is correct
10 Correct 4 ms 1860 KB Output is correct
11 Correct 3 ms 1868 KB Output is correct
12 Correct 1 ms 1096 KB Output is correct
13 Correct 2 ms 1364 KB Output is correct
14 Correct 3 ms 1620 KB Output is correct
15 Correct 4 ms 1916 KB Output is correct
16 Correct 4 ms 1876 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 328 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 328 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 2 ms 468 KB Output is correct
20 Correct 1 ms 480 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 452 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 596 KB Output is correct
34 Correct 1 ms 524 KB Output is correct
35 Correct 2 ms 452 KB Output is correct
36 Correct 1 ms 468 KB Output is correct
37 Correct 1 ms 460 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 1 ms 468 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 596 KB Output is correct
42 Correct 1 ms 324 KB Output is correct
43 Correct 3 ms 1860 KB Output is correct
44 Correct 3 ms 1876 KB Output is correct
45 Correct 4 ms 1876 KB Output is correct
46 Correct 4 ms 1952 KB Output is correct
47 Correct 4 ms 1876 KB Output is correct
48 Correct 4 ms 1860 KB Output is correct
49 Correct 5 ms 1876 KB Output is correct
50 Correct 4 ms 1876 KB Output is correct
51 Correct 4 ms 1860 KB Output is correct
52 Correct 3 ms 1868 KB Output is correct
53 Correct 1 ms 1096 KB Output is correct
54 Correct 2 ms 1364 KB Output is correct
55 Correct 3 ms 1620 KB Output is correct
56 Correct 4 ms 1916 KB Output is correct
57 Correct 4 ms 1876 KB Output is correct
58 Correct 261 ms 1540 KB Output is correct
59 Correct 254 ms 1648 KB Output is correct
60 Correct 240 ms 1556 KB Output is correct
61 Correct 259 ms 1592 KB Output is correct
62 Correct 15 ms 1748 KB Output is correct
63 Correct 30 ms 1876 KB Output is correct
64 Correct 111 ms 1896 KB Output is correct
65 Correct 200 ms 2044 KB Output is correct
66 Correct 140 ms 1492 KB Output is correct
67 Correct 141 ms 1784 KB Output is correct
68 Correct 168 ms 1628 KB Output is correct
69 Correct 191 ms 1576 KB Output is correct
70 Correct 192 ms 1688 KB Output is correct
71 Correct 210 ms 1420 KB Output is correct
72 Correct 74 ms 596 KB Output is correct
73 Correct 13 ms 1364 KB Output is correct