oj.uz

Submission #893852

# Submission time Handle Problem Language Result Execution time Memory
893852 2023-12-27T14:42:29 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 255 ms 774228 KB 
#include "bits/stdc++.h"
using namespace std;       

// #pragma comment(linker, "/stack:200000000")
// #pragma GCC optimize("Ofast")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")

using ll = long long;
using ld = long double;
#define pb push_back
#define ff first
#define ss second
#define sz(x) (ll)(x).size()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
void IOIGold2024_InshAllah() { ios_base::sync_with_stdio(false); cin.tie(NULL); }
ll binmul(ll a, ll b, ll c) { ll res = 0; while(b) { if(b&1) (res += a) %= c; (a += a) %= c; b >>= 1; } return res; }
ll binpow(ll a, ll b, ll c) { ll res = 1; while(b) { if(b&1) (res *= a) %= c; (a *= a) %= c; b >>= 1; } return res; }
template<typename T> T gcd(T a, T b) { if(b==0) return a; return gcd(b, a%b); }
template<typename T> T lcm(T a, T b) { return a/gcd(a, b)*b; }
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ld rnd() { return rng()%INT_MAX*1.0/INT_MAX; }

const ll inf = 1e18+7, MX = LLONG_MAX, MN = LLONG_MIN;
const ll mod = 1e9+7, N = 405;
#define ll int
ll pr[N][3], pos[N][3], dp[N][N][N][3];

void kigash() {
    ll n, r = 0, g = 0, y = 0;
    string s;
    cin>>n>>s;
    s = ' '+s;
    for(ll i=1; i<=n; i++) {
        for(ll j=0; j<3; j++) pr[i][j] = pr[i-1][j];
        if(s[i]=='R') pr[i][0]++, pos[++r][0] = i;
        if(s[i]=='G') pr[i][1]++, pos[++g][1] = i;
        if(s[i]=='Y') pr[i][2]++, pos[++y][2] = i;
    }
    for(ll i=0; i<=n; i++) {
        for(ll j=0; j<=n; j++) {
            for(ll k=0; k<=n; k++) {
                dp[i][j][k][0] = mod;
                dp[i][j][k][1] = mod;
                dp[i][j][k][2] = mod;
            }
        }
    }
    dp[0][0][0][0] = dp[0][0][0][1] = dp[0][0][0][2] = 0;
    for(ll i=0; i<=r; i++) {
        for(ll j=0; j<=g; j++) {
            for(ll k=0; k<=y; k++) {
                if(i) {
                    ll x = max(0, pr[pos[i][0]][1]-j)+max(0, pr[pos[i][0]][2]-k);
                    dp[i][j][k][0] = min(dp[i][j][k][0], min(dp[i-1][j][k][1], dp[i-1][j][k][2])+x);
                }
                if(j) {   
                    ll x = max(0, pr[pos[j][1]][0]-i)+max(0, pr[pos[j][1]][2]-k);
                    dp[i][j][k][1] = min(dp[i][j][k][1], min(dp[i][j-1][k][0], dp[i][j-1][k][2])+x);
                }
                if(k) {
                    ll x = max(0, pr[pos[k][2]][0]-i)+max(0, pr[pos[k][2]][1]-j);
                    dp[i][j][k][2] = min(dp[i][j][k][2], min(dp[i][j][k-1][0], dp[i][j][k-1][1])+x);
                }
            }
        }
    }
    ll ans = min({dp[r][g][y][0], dp[r][g][y][1], dp[r][g][y][2]});
    if(ans>=mod) cout<<"-1\n";
    else cout<<ans<<"\n";
    return;
}

signed main(/*Kigash Amir*/) {
    // freopen("");
    IOIGold2024_InshAllah();
    ll tt = 1;
    // cin>>tt;
    for(ll i=1; i<=tt; i++) {
        kigash();
    }
}

Compilation message

joi2019_ho_t3.cpp: In function 'void freopen(std::string)':
joi2019_ho_t3.cpp:17:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                          ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:17:73: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 | void freopen(string s) { freopen((s+".in").c_str(), "r", stdin); freopen((s+".out").c_str(), "w", stdout); }
      |                                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6504 KB Output is correct
4 Correct 3 ms 20824 KB Output is correct
5 Correct 3 ms 31184 KB Output is correct
6 Correct 4 ms 31068 KB Output is correct
7 Correct 3 ms 31264 KB Output is correct
8 Correct 4 ms 31068 KB Output is correct
9 Correct 4 ms 31068 KB Output is correct
10 Correct 4 ms 31068 KB Output is correct
11 Correct 3 ms 31312 KB Output is correct
12 Correct 4 ms 31072 KB Output is correct
13 Correct 3 ms 31300 KB Output is correct
14 Correct 3 ms 29024 KB Output is correct
15 Correct 4 ms 31072 KB Output is correct
16 Correct 3 ms 31292 KB Output is correct
17 Correct 3 ms 29024 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6504 KB Output is correct
4 Correct 3 ms 20824 KB Output is correct
5 Correct 3 ms 31184 KB Output is correct
6 Correct 4 ms 31068 KB Output is correct
7 Correct 3 ms 31264 KB Output is correct
8 Correct 4 ms 31068 KB Output is correct
9 Correct 4 ms 31068 KB Output is correct
10 Correct 4 ms 31068 KB Output is correct
11 Correct 3 ms 31312 KB Output is correct
12 Correct 4 ms 31072 KB Output is correct
13 Correct 3 ms 31300 KB Output is correct
14 Correct 3 ms 29024 KB Output is correct
15 Correct 4 ms 31072 KB Output is correct
16 Correct 3 ms 31292 KB Output is correct
17 Correct 3 ms 29024 KB Output is correct
18 Correct 12 ms 117536 KB Output is correct
19 Correct 13 ms 117600 KB Output is correct
20 Correct 12 ms 117528 KB Output is correct
21 Correct 12 ms 117568 KB Output is correct
22 Correct 13 ms 117596 KB Output is correct
23 Correct 13 ms 117600 KB Output is correct
24 Correct 13 ms 117600 KB Output is correct
25 Correct 13 ms 117576 KB Output is correct
26 Correct 13 ms 117592 KB Output is correct
27 Correct 12 ms 117596 KB Output is correct
28 Correct 12 ms 117600 KB Output is correct
29 Correct 12 ms 117500 KB Output is correct
30 Correct 12 ms 117600 KB Output is correct
31 Correct 12 ms 117592 KB Output is correct
32 Correct 12 ms 117600 KB Output is correct
33 Correct 12 ms 115556 KB Output is correct
34 Correct 13 ms 115548 KB Output is correct
35 Correct 12 ms 113500 KB Output is correct
36 Correct 12 ms 115552 KB Output is correct
37 Correct 12 ms 111456 KB Output is correct
38 Correct 12 ms 117452 KB Output is correct
39 Correct 12 ms 117600 KB Output is correct
40 Correct 12 ms 115548 KB Output is correct
41 Correct 12 ms 117504 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6496 KB Output is correct
2 Correct 255 ms 772444 KB Output is correct
3 Correct 146 ms 772176 KB Output is correct
4 Correct 142 ms 774096 KB Output is correct
5 Correct 137 ms 774140 KB Output is correct
6 Correct 138 ms 774128 KB Output is correct
7 Correct 137 ms 772180 KB Output is correct
8 Correct 141 ms 772288 KB Output is correct
9 Correct 140 ms 770072 KB Output is correct
10 Correct 143 ms 774144 KB Output is correct
11 Correct 136 ms 774116 KB Output is correct
12 Correct 47 ms 398676 KB Output is correct
13 Correct 72 ms 530048 KB Output is correct
14 Correct 98 ms 638800 KB Output is correct
15 Correct 138 ms 774224 KB Output is correct
16 Correct 139 ms 774044 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6504 KB Output is correct
4 Correct 3 ms 20824 KB Output is correct
5 Correct 3 ms 31184 KB Output is correct
6 Correct 4 ms 31068 KB Output is correct
7 Correct 3 ms 31264 KB Output is correct
8 Correct 4 ms 31068 KB Output is correct
9 Correct 4 ms 31068 KB Output is correct
10 Correct 4 ms 31068 KB Output is correct
11 Correct 3 ms 31312 KB Output is correct
12 Correct 4 ms 31072 KB Output is correct
13 Correct 3 ms 31300 KB Output is correct
14 Correct 3 ms 29024 KB Output is correct
15 Correct 4 ms 31072 KB Output is correct
16 Correct 3 ms 31292 KB Output is correct
17 Correct 3 ms 29024 KB Output is correct
18 Correct 12 ms 117536 KB Output is correct
19 Correct 13 ms 117600 KB Output is correct
20 Correct 12 ms 117528 KB Output is correct
21 Correct 12 ms 117568 KB Output is correct
22 Correct 13 ms 117596 KB Output is correct
23 Correct 13 ms 117600 KB Output is correct
24 Correct 13 ms 117600 KB Output is correct
25 Correct 13 ms 117576 KB Output is correct
26 Correct 13 ms 117592 KB Output is correct
27 Correct 12 ms 117596 KB Output is correct
28 Correct 12 ms 117600 KB Output is correct
29 Correct 12 ms 117500 KB Output is correct
30 Correct 12 ms 117600 KB Output is correct
31 Correct 12 ms 117592 KB Output is correct
32 Correct 12 ms 117600 KB Output is correct
33 Correct 12 ms 115556 KB Output is correct
34 Correct 13 ms 115548 KB Output is correct
35 Correct 12 ms 113500 KB Output is correct
36 Correct 12 ms 115552 KB Output is correct
37 Correct 12 ms 111456 KB Output is correct
38 Correct 12 ms 117452 KB Output is correct
39 Correct 12 ms 117600 KB Output is correct
40 Correct 12 ms 115548 KB Output is correct
41 Correct 12 ms 117504 KB Output is correct
42 Correct 1 ms 6496 KB Output is correct
43 Correct 255 ms 772444 KB Output is correct
44 Correct 146 ms 772176 KB Output is correct
45 Correct 142 ms 774096 KB Output is correct
46 Correct 137 ms 774140 KB Output is correct
47 Correct 138 ms 774128 KB Output is correct
48 Correct 137 ms 772180 KB Output is correct
49 Correct 141 ms 772288 KB Output is correct
50 Correct 140 ms 770072 KB Output is correct
51 Correct 143 ms 774144 KB Output is correct
52 Correct 136 ms 774116 KB Output is correct
53 Correct 47 ms 398676 KB Output is correct
54 Correct 72 ms 530048 KB Output is correct
55 Correct 98 ms 638800 KB Output is correct
56 Correct 138 ms 774224 KB Output is correct
57 Correct 139 ms 774044 KB Output is correct
58 Correct 158 ms 774224 KB Output is correct
59 Correct 154 ms 774208 KB Output is correct
60 Correct 157 ms 770132 KB Output is correct
61 Correct 166 ms 772316 KB Output is correct
62 Correct 146 ms 774224 KB Output is correct
63 Correct 142 ms 774224 KB Output is correct
64 Correct 154 ms 774072 KB Output is correct
65 Correct 156 ms 772180 KB Output is correct
66 Correct 153 ms 768080 KB Output is correct
67 Correct 160 ms 774228 KB Output is correct
68 Correct 157 ms 772180 KB Output is correct
69 Correct 155 ms 774128 KB Output is correct
70 Correct 165 ms 774228 KB Output is correct
71 Correct 161 ms 772176 KB Output is correct
72 Correct 140 ms 772176 KB Output is correct
73 Correct 143 ms 774116 KB Output is correct