oj.uz

Submission #463723

# Submission time Handle Problem Language Result Execution time Memory
463723 2021-08-11T15:40:53 Z NhatMinh0208 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 93 ms 162960 KB 
#ifndef CPL_TEMPLATE
#define CPL_TEMPLATE
/*
	Normie's Template v2.5
	Changes:
    Added warning against using pragmas on USACO.
*/
// Standard library in one include.
#include <bits/stdc++.h>
using namespace std;
 
// ordered_set library.
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set(el) tree<el,null_type,less<el>,rb_tree_tag,tree_order_statistics_node_update>
 
// AtCoder library. (Comment out these two lines if you're not submitting in AtCoder.) (Or if you want to use it in other judges, run expander.py first.)
//#include <atcoder/all>
//using namespace atcoder;

//Pragmas (Comment out these three lines if you're submitting in szkopul or USACO.)
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast,unroll-loops,tree-vectorize")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
 
//File I/O.
#define FILE_IN "cseq.inp"
#define FILE_OUT "cseq.out"
#define ofile freopen(FILE_IN,"r",stdin);freopen(FILE_OUT,"w",stdout)
 
//Fast I/O.
#define fio ios::sync_with_stdio(0);cin.tie(0)
#define nfio cin.tie(0)
#define endl "\n"
 
//Order checking.
#define ord(a,b,c) ((a>=b)and(b>=c))
 
//min/max redefines, so i dont have to resolve annoying compile errors.
#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))

// Fast min/max assigns to use with AVX.
// Requires g++ 9.2.0.
template<typename T>
__attribute__((always_inline)) void chkmin(T& a, const T& b) {
    a=(a<b)?a:b;
}

template<typename T>
__attribute__((always_inline)) void chkmax(T& a, const T& b) {
    a=(a>b)?a:b;
}
 
//Constants.
#define MOD (ll(998244353))
#define MAX 300001
#define mag 320
const long double PI=3.14159265358979;
 
//Pairs and 3-pairs.
#define p1 first
#define p2 second.first
#define p3 second.second
#define fi first
#define se second
#define pii(element_type) pair<element_type,element_type>
#define piii(element_type) pair<element_type,pii(element_type)>
 
//Quick power of 2.
#define pow2(x) (ll(1)<<x)
 
//Short for-loops.
#define ff(i,__,___) for(int i=__;i<=___;i++)
#define rr(i,__,___) for(int i=__;i>=___;i--)
 
//Typedefs.
#define bi BigInt
typedef long long ll;
typedef long double ld;
typedef short sh;

// Binpow and stuff
ll BOW(ll a, ll x, ll p)
{
	if (!x) return 1;
	ll res=BOW(a,x/2,p);
	res*=res;
	res%=p;
	if (x%2) res*=a;
	return res%p;
}
ll INV(ll a, ll p)
{
	return BOW(a,p-2,p);
}
//---------END-------//
#endif
vector<int> vec;
int dp[401][401][401][3];
int n,m,i,j,k,t,t1,u,v,a,b;
int bef[401][3][3];
int cnt[3];
int arr[401];
int main()
{
	fio;
    cin>>n;
    char c;
    for (i=0;i<n;i++)
    {
        cin>>c;
        if (c=='R') arr[i]=0;
        if (c=='G') arr[i]=1;
        if (c=='Y') arr[i]=2;
        cnt[arr[i]]++;
    }
    for (i=0;i<3;i++) for (j=0;j<3;j++)
    {
        u=0;
        v=0;
        for (k=0;k<n;k++)
        {
            if (arr[k]==i)
            {
                bef[u][i][j]=v;
                u++;
            }
            if (arr[k]==j)
            {
                bef[v][j][i]=u;
                v++;
            }
        }
    }
    for (i=0;i<=cnt[0];i++) for (j=0;j<=cnt[1];j++) for (k=0;k<=cnt[2];k++)
    {
        dp[i][j][k][0]=1e9;
        dp[i][j][k][1]=1e9;
        dp[i][j][k][2]=1e9;
    }
    dp[0][0][1][2]=0;
    dp[0][1][0][1]=0;
    dp[1][0][0][0]=0;
    for (i=0;i<=cnt[0];i++) for (j=0;j<=cnt[1];j++) for (k=0;k<=cnt[2];k++)
    {
        if (i+j+k==n) break;
        if (i+j+k)
        {
            for (t=0;t<3;t++) 
            {
                // cout<<i<<' '<<j<<' '<<k<<' '<<t<<' '<<dp[i][j][k][t]<<endl;
                if ((i-cnt[0])and(t-0)) dp[i+1][j][k][0]=min(dp[i+1][j][k][0],dp[i][j][k][t]+max(0,j-bef[i][0][1])+max(0,k-bef[i][0][2]));
                if ((j-cnt[1])and(t-1)) dp[i][j+1][k][1]=min(dp[i][j+1][k][1],dp[i][j][k][t]+max(0,i-bef[j][1][0])+max(0,k-bef[j][1][2]));
                if ((k-cnt[2])and(t-2)) dp[i][j][k+1][2]=min(dp[i][j][k+1][2],dp[i][j][k][t]+max(0,i-bef[k][2][0])+max(0,j-bef[k][2][1]));
            }
        }
    }
    a=1e9;
    for (t=0;t<3;t++)
    {
        a=min(a,dp[cnt[0]][cnt[1]][cnt[2]][t]);
    }
    if (a==1e9) cout<<-1; else cout<<a;
}
// Normie28

Compilation message

joi2019_ho_t3.cpp:23: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
   23 | #pragma comment(linker, "/stack:200000000")
      |

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 332 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 2 ms 2252 KB Output is correct
19 Correct 1 ms 1868 KB Output is correct
20 Correct 1 ms 2252 KB Output is correct
21 Correct 2 ms 2380 KB Output is correct
22 Correct 1 ms 1612 KB Output is correct
23 Correct 1 ms 2124 KB Output is correct
24 Correct 1 ms 1612 KB Output is correct
25 Correct 2 ms 3916 KB Output is correct
26 Correct 2 ms 4172 KB Output is correct
27 Correct 2 ms 3020 KB Output is correct
28 Correct 2 ms 2252 KB Output is correct
29 Correct 1 ms 2252 KB Output is correct
30 Correct 1 ms 2252 KB Output is correct
31 Correct 1 ms 1996 KB Output is correct
32 Correct 2 ms 2380 KB Output is correct
33 Correct 2 ms 3788 KB Output is correct
34 Correct 2 ms 3532 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 1 ms 1868 KB Output is correct
37 Correct 1 ms 1740 KB Output is correct
38 Correct 1 ms 2116 KB Output is correct
39 Correct 1 ms 2252 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 2124 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB Output is correct
2 Correct 64 ms 162960 KB Output is correct
3 Correct 68 ms 162156 KB Output is correct
4 Correct 63 ms 162852 KB Output is correct
5 Correct 67 ms 162876 KB Output is correct
6 Correct 70 ms 162948 KB Output is correct
7 Correct 65 ms 162072 KB Output is correct
8 Correct 62 ms 162108 KB Output is correct
9 Correct 63 ms 161304 KB Output is correct
10 Correct 65 ms 162852 KB Output is correct
11 Correct 66 ms 162896 KB Output is correct
12 Correct 19 ms 43956 KB Output is correct
13 Correct 31 ms 77144 KB Output is correct
14 Correct 43 ms 111240 KB Output is correct
15 Correct 66 ms 162892 KB Output is correct
16 Correct 64 ms 162904 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 2 ms 2252 KB Output is correct
19 Correct 1 ms 1868 KB Output is correct
20 Correct 1 ms 2252 KB Output is correct
21 Correct 2 ms 2380 KB Output is correct
22 Correct 1 ms 1612 KB Output is correct
23 Correct 1 ms 2124 KB Output is correct
24 Correct 1 ms 1612 KB Output is correct
25 Correct 2 ms 3916 KB Output is correct
26 Correct 2 ms 4172 KB Output is correct
27 Correct 2 ms 3020 KB Output is correct
28 Correct 2 ms 2252 KB Output is correct
29 Correct 1 ms 2252 KB Output is correct
30 Correct 1 ms 2252 KB Output is correct
31 Correct 1 ms 1996 KB Output is correct
32 Correct 2 ms 2380 KB Output is correct
33 Correct 2 ms 3788 KB Output is correct
34 Correct 2 ms 3532 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 1 ms 1868 KB Output is correct
37 Correct 1 ms 1740 KB Output is correct
38 Correct 1 ms 2116 KB Output is correct
39 Correct 1 ms 2252 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 2124 KB Output is correct
42 Correct 1 ms 316 KB Output is correct
43 Correct 64 ms 162960 KB Output is correct
44 Correct 68 ms 162156 KB Output is correct
45 Correct 63 ms 162852 KB Output is correct
46 Correct 67 ms 162876 KB Output is correct
47 Correct 70 ms 162948 KB Output is correct
48 Correct 65 ms 162072 KB Output is correct
49 Correct 62 ms 162108 KB Output is correct
50 Correct 63 ms 161304 KB Output is correct
51 Correct 65 ms 162852 KB Output is correct
52 Correct 66 ms 162896 KB Output is correct
53 Correct 19 ms 43956 KB Output is correct
54 Correct 31 ms 77144 KB Output is correct
55 Correct 43 ms 111240 KB Output is correct
56 Correct 66 ms 162892 KB Output is correct
57 Correct 64 ms 162904 KB Output is correct
58 Correct 83 ms 75504 KB Output is correct
59 Correct 92 ms 95556 KB Output is correct
60 Correct 86 ms 86908 KB Output is correct
61 Correct 86 ms 84040 KB Output is correct
62 Correct 72 ms 160580 KB Output is correct
63 Correct 75 ms 160156 KB Output is correct
64 Correct 90 ms 150084 KB Output is correct
65 Correct 93 ms 138444 KB Output is correct
66 Correct 89 ms 85188 KB Output is correct
67 Correct 83 ms 82036 KB Output is correct
68 Correct 88 ms 87828 KB Output is correct
69 Correct 85 ms 84624 KB Output is correct
70 Correct 92 ms 91648 KB Output is correct
71 Correct 85 ms 83088 KB Output is correct
72 Correct 31 ms 41180 KB Output is correct
73 Correct 6 ms 2764 KB Output is correct