Submission #542061

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
542061	2022-03-25 09:33:56	Cookie197	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	100 / 100	231 ms	522776 KiB

joi2019_ho_t3

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#include<iostream>
#include<vector>
#include<algorithm>
#include<set>
#include<map>
using namespace std;
#define ll long long
#define endl "\n"
#define mp make_pair
#define out(x) cout<< #x << " = " << x << endl
#define pii pair<int,int> 
#pragma GCC optimize("Ofast")
// 考慮前i個，放了r個R g個G i-r-g個Y，第i個恰是R/G/Y，所需最小步數
string s;
int n;
vector<int> rpos, gpos, ypos;
int rcnt, gcnt, ycnt;
int dp[405][405][405][3];
int rpre[405],gpre[405],ypre[405];
void chmin(int &a, int b){
    a = min(a,b);
}
signed main(){
    ios::sync_with_stdio(false); cin.tie(0);
    cin>>n>>s;
    s = '$' + s;
    rpos.push_back(0), gpos.push_back(0), ypos.push_back(0);
    for (int i=1;i<=n;i++){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 55 / 55
• Subtask 3: 15 / 15
• Subtask 4: 25 / 25