#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];
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()){
stop=true;
cev=min(cev,tut);
return ;
}
if(renk!=1 && red<v[1].size()){
dpp(red+1,gre,yel,sira+1,1,tut+abs(v[1][red]-sira),st+'R');
}
if(renk!=2 && gre<v[2].size()){
dpp(red,gre+1,yel,sira+1,2,tut+abs(v[2][gre]-sira),st+'G');
}
if(renk!=3 && yel<v[3].size()){
dpp(red,gre,yel+1,sira+1,3,tut+abs(v[3][yel]-sira),st+'Y');
}
}
int32_t main(){
faster
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);
cout<<cev/2<<'\n';
return 0;
}
Compilation message
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:17:12: 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]
17 | if(red==v[1].size() && gre==v[2].size() && yel==v[3].size()){
| ~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:17:32: 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]
17 | if(red==v[1].size() && gre==v[2].size() && yel==v[3].size()){
| ~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:17:52: 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]
17 | if(red==v[1].size() && gre==v[2].size() && yel==v[3].size()){
| ~~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:22:23: 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]
22 | if(renk!=1 && red<v[1].size()){
| ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:25:23: 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]
25 | if(renk!=2 && gre<v[2].size()){
| ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp:28:23: 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]
28 | if(renk!=3 && yel<v[3].size()){
| ~~~^~~~~~~~~~~~
joi2019_ho_t3.cpp: In function 'int32_t main()':
joi2019_ho_t3.cpp:44:19: 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]
44 | if(v[1].size()>tt || v[2].size()>tt || v[3].size()>tt || !stop){cout<<-1<<'\n';return 0;}
| ~~~~~~~~~~~^~~
joi2019_ho_t3.cpp:44:37: 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]
44 | if(v[1].size()>tt || v[2].size()>tt || v[3].size()>tt || !stop){cout<<-1<<'\n';return 0;}
| ~~~~~~~~~~~^~~
joi2019_ho_t3.cpp:44:55: 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]
44 | if(v[1].size()>tt || v[2].size()>tt || v[3].size()>tt || !stop){cout<<-1<<'\n';return 0;}
| ~~~~~~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
604 KB |
Output is correct |
5 |
Correct |
0 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
0 ms |
604 KB |
Output is correct |
9 |
Correct |
0 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
604 KB |
Output is correct |
11 |
Correct |
0 ms |
604 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
600 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
12 |
Halted |
0 ms |
0 KB |
- |