Submission #922302

#	Time	Username	Problem	Language	Result	Execution time	Memory
922302		elotelo966	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	15 / 100	21 ms	140632 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];
    bool stop=true;
    
    inline void dpp(int red,int gre,int yel,int sira,int renk,int tut,string st){
    	if(red==v[1].size() && gre==v[2].size() && yel==v[3].size()){
    		//return tut;
    		stop=true;
    		cev=min(cev,tut);
    		return ;
    	}
    	//cout<<red<<" "<<gre<<" "<<yel<<" "<<sira<<" "<<tut<<" "<<renk<<" "<<st<<endl;
    	//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="";
    	int tt=(n+1)/2;
    	if(v[1].size()>tt || v[2].size()>tt || v[3].size()>tt || !stop){cout<<-1<<'\n';return 0;}
    	//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:18:12: 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:18:32: 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:18:52: 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:27:23: 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]
   27 |      if(renk!=1 && red<v[1].size()){
      |                    ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:32:23: 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]
   32 |      if(renk!=2 && gre<v[2].size()){
      |                    ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:37:23: 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]
   37 |      if(renk!=3 && yel<v[3].size()){
      |                    ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:26:10: warning: unused variable 'yum' [-Wunused-variable]
   26 |      int yum=LLONG_MAX;
      |          ^~~
joi2019_ho_t3.cpp: In function 'int32_t main()':
joi2019_ho_t3.cpp:57:20: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   57 |      if(v[1].size()>tt || v[2].size()>tt || v[3].size()>tt || !stop){cout<<-1<<'\n';return 0;}
      |         ~~~~~~~~~~~^~~
joi2019_ho_t3.cpp:57:38: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   57 |      if(v[1].size()>tt || v[2].size()>tt || v[3].size()>tt || !stop){cout<<-1<<'\n';return 0;}
      |                           ~~~~~~~~~~~^~~
joi2019_ho_t3.cpp:57:56: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   57 |      if(v[1].size()>tt || v[2].size()>tt || v[3].size()>tt || !stop){cout<<-1<<'\n';return 0;}
      |                                             ~~~~~~~~~~~^~~

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