Submission #922297

#	Time	Username	Problem	Language	Result	Execution time	Memory
922297		elotelo966	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	15 / 100	21 ms	140380 KiB

joi2019_ho_t3

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OYY LLONG_MAX
#define mod 998244353
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define mid (start+end)/2
#define lim 65
#define fi first
#define se second
int n;// 1 2 3
int cev=LLONG_MAX;
vector<int> v[4];
int dp[lim][lim][lim][lim];

inline void dpp(int red,int gre,int yel,int sira,int renk,int tut,string st){
	//cout<<red<<" "<<gre<<" "<<yel<<" "<<sira<<" "<<tut<<" "<<renk<<" "<<st+'Y'<<endl;
	if(red==v[1].size() && gre==v[2].size() && yel==v[3].size()){
		//return tut;
		cev=min(cev,tut);
		return ;
	}
	//if(~dp[sira][red][gre][yel])return dp[sira][red][gre][yel];
	int yum=LLONG_MAX;
	if(renk!=1 && red<v[1].size()){
		//cout<<"r"<<red<<" "<<gre<<" "<<yel<<" "<<sira<<" "<<tut<<" "<<abs(v[1][red]-sira)<<" "<<st+'R'<<endl;
		//yum=min(yum,dpp(red+1,gre,yel,sira+1,1,tut+abs(v[1][red]-sira),st+'R'));
		dpp(red+1,gre,yel,sira+1,1,tut+abs(v[1][red]-sira),st+'R');
	}
	if(renk!=2 && gre<v[2].size()){
		//cout<<"g"<<red<<" "<<gre<<" "<<yel<<" "<<sira<<" "<<tut<<" "<<abs(v[2][gre]-sira)<<" "<<st+'G'<<endl;
		//yum=min(yum,dpp(red,gre+1,yel,sira+1,2,tut+abs(v[2][gre]-sira),st+'G'));	
		dpp(red,gre+1,yel,sira+1,2,tut+abs(v[2][gre]-sira),st+'G');
	}
	if(renk!=3 && yel<v[3].size()){
		//cout<<"y"<<red<<" "<<gre<<" "<<yel<<" "<<sira<<" "<<tut<<" "<<abs(v[3][yel]-sira)<<" "<<st+'Y'<<endl;
		//yum=min(yum,dpp(red,gre,yel+1,sira+1,3,tut+abs(v[3][yel]-sira),st+'Y'));
		dpp(red,gre,yel+1,sira+1,3,tut+abs(v[3][yel]-sira),st+'Y');
	}
	//return dp[sira][red][gre][yel]=yum;
}

int32_t main(){
	faster
	memset(dp,-1,sizeof(dp));
	cin>>n;
	string s;cin>>s;
	for(int i=0;i<n;i++){
		if(s[i]=='R')v[1].push_back(i+1);
		else if(s[i]=='G')v[2].push_back(i+1);
		else v[3].push_back(i+1);
	}
	string h="";
	//cout<<dpp(0,0,0,1,0,0,h)<<'\n';
	dpp(0,0,0,1,0,0,h);
	if(cev==LLONG_MAX){
		cev=-2;
	}
	cout<<cev/2<<'\n';
	return 0;
}

Compilation message (stderr)

joi2019_ho_t3.cpp: In function 'void dpp(long long int, long long int, long long int, long long int, long long int, long long int, std::string)':
joi2019_ho_t3.cpp:18:8: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  if(red==v[1].size() && gre==v[2].size() && yel==v[3].size()){
      |     ~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:18:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  if(red==v[1].size() && gre==v[2].size() && yel==v[3].size()){
      |                         ~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:18:48: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |  if(red==v[1].size() && gre==v[2].size() && yel==v[3].size()){
      |                                             ~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:25:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  if(renk!=1 && red<v[1].size()){
      |                ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:30:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  if(renk!=2 && gre<v[2].size()){
      |                ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:35:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |  if(renk!=3 && yel<v[3].size()){
      |                ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:24:6: warning: unused variable 'yum' [-Wunused-variable]
   24 |  int yum=LLONG_MAX;
      |      ^~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 55
• Subtask 3: 15 / 15
• Subtask 4: 0 / 25