#include<bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define endl "\n"
#define ll long long
#define pb push_back
#define N 405
int n;
vector<int> red,green,yellow;
int tut[3][3][N][N];
int dp[N][N][N][3];
inline int hesap(int r,int g,int y,int son,int sira){
if(sira>=n)return 0;
if(dp[r][g][y][son]!=-1)return dp[r][g][y][son];
int cev=1000000000;
if((son!=0||r+g+y==0)&&r<red.size()){
cev=min(cev,hesap(r+1,g,y,0,sira+1)+red[r]+((g>0)?tut[0][1][r][g-1]:0) +((y>0)?tut[0][2][r][y-1]:0)-sira);
}
if(son!=1&&g<green.size()){
cev=min(cev,hesap(r,g+1,y,1,sira+1)+green[g]+((r>0)?tut[1][0][g][r-1]:0 )+((y>0)?tut[1][2][g][y-1]:0)-sira);
}
if(son!=2&&y<yellow.size()){
cev=min(cev,hesap(r,g,y+1,2,sira+1)+yellow[y]+((r>0)?tut[2][0][y][r-1]:0) +((g>0)?tut[2][1][y][g-1]:0)-sira);
}
//cout<<cev<<" "<<r<<" "<<g<<" "<<y<<" "<<son<<" "<<sira<<endl;
return dp[r][g][y][son]=cev;
}
int arr[N];
int main(){
lalala;
memset(dp,-1,sizeof(dp));
cin>>n;
string str;cin>>str;
for(int i=0;i<n;i++){
if(str[i]=='G')green.pb(i);
if(str[i]=='R')red.pb(i);
if(str[i]=='Y')yellow.pb(i);
}
for(int i=0;i<red.size();i++){
int kac=0;
for(int j=0;j<green.size();j++){
if(red[i]<green[j]) kac++;
tut[0][1][i][j]=kac;
}
}
for(int i=0;i<red.size();i++){
int kac=0;
for(int j=0;j<yellow.size();j++){
if(red[i]<yellow[j]) kac++;
tut[0][2][i][j]=kac;
}
}
for(int i=0;i<green.size();i++){
int kac=0;
for(int j=0;j<red.size();j++){
if(green[i]<red[j]) kac++;
tut[1][0][i][j]=kac;
}
}
for(int i=0;i<green.size();i++){
int kac=0;
for(int j=0;j<yellow.size();j++){
if(green[i]<yellow[j]) kac++;
tut[1][2][i][j]=kac;
}
}
for(int i=0;i<yellow.size();i++){
int kac=0;
for(int j=0;j<red.size();j++){
if(yellow[i]<red[j]) kac++;
tut[2][0][i][j]=kac;
}
}
for(int i=0;i<yellow.size();i++){
int kac=0;
for(int j=0;j<green.size();j++){
if(yellow[i]<green[j]) kac++;
tut[2][1][i][j]=kac;
}
}
int a=hesap(0,0,0,0,0);
if(a>=1000000000)a=-1;
cout<<a<<endl;
}
Compilation message
joi2019_ho_t3.cpp: In function 'int hesap(int, int, int, int, int)':
joi2019_ho_t3.cpp:16:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
16 | if((son!=0||r+g+y==0)&&r<red.size()){
| ~^~~~~~~~~~~
joi2019_ho_t3.cpp:19:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | if(son!=1&&g<green.size()){
| ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:22:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
22 | if(son!=2&&y<yellow.size()){
| ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:40:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | for(int i=0;i<red.size();i++){
| ~^~~~~~~~~~~
joi2019_ho_t3.cpp:42:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
42 | for(int j=0;j<green.size();j++){
| ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:48:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
48 | for(int i=0;i<red.size();i++){
| ~^~~~~~~~~~~
joi2019_ho_t3.cpp:50:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
50 | for(int j=0;j<yellow.size();j++){
| ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:56:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
56 | for(int i=0;i<green.size();i++){
| ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:58:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
58 | for(int j=0;j<red.size();j++){
| ~^~~~~~~~~~~
joi2019_ho_t3.cpp:64:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
64 | for(int i=0;i<green.size();i++){
| ~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:66:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
66 | for(int j=0;j<yellow.size();j++){
| ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:72:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
72 | for(int i=0;i<yellow.size();i++){
| ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:74:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
74 | for(int j=0;j<red.size();j++){
| ~^~~~~~~~~~~
joi2019_ho_t3.cpp:80:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
80 | for(int i=0;i<yellow.size();i++){
| ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:82:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
82 | for(int j=0;j<green.size();j++){
| ~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
320 ms |
782264 KB |
Output is correct |
2 |
Correct |
253 ms |
782656 KB |
Output is correct |
3 |
Correct |
245 ms |
782416 KB |
Output is correct |
4 |
Correct |
236 ms |
782416 KB |
Output is correct |
5 |
Correct |
235 ms |
782384 KB |
Output is correct |
6 |
Correct |
226 ms |
782416 KB |
Output is correct |
7 |
Correct |
228 ms |
782448 KB |
Output is correct |
8 |
Correct |
224 ms |
782428 KB |
Output is correct |
9 |
Correct |
226 ms |
782452 KB |
Output is correct |
10 |
Correct |
229 ms |
782372 KB |
Output is correct |
11 |
Correct |
218 ms |
782352 KB |
Output is correct |
12 |
Correct |
224 ms |
782596 KB |
Output is correct |
13 |
Correct |
220 ms |
782460 KB |
Output is correct |
14 |
Correct |
222 ms |
782284 KB |
Output is correct |
15 |
Correct |
222 ms |
782340 KB |
Output is correct |
16 |
Correct |
220 ms |
782440 KB |
Output is correct |
17 |
Correct |
220 ms |
782676 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
320 ms |
782264 KB |
Output is correct |
2 |
Correct |
253 ms |
782656 KB |
Output is correct |
3 |
Correct |
245 ms |
782416 KB |
Output is correct |
4 |
Correct |
236 ms |
782416 KB |
Output is correct |
5 |
Correct |
235 ms |
782384 KB |
Output is correct |
6 |
Correct |
226 ms |
782416 KB |
Output is correct |
7 |
Correct |
228 ms |
782448 KB |
Output is correct |
8 |
Correct |
224 ms |
782428 KB |
Output is correct |
9 |
Correct |
226 ms |
782452 KB |
Output is correct |
10 |
Correct |
229 ms |
782372 KB |
Output is correct |
11 |
Correct |
218 ms |
782352 KB |
Output is correct |
12 |
Correct |
224 ms |
782596 KB |
Output is correct |
13 |
Correct |
220 ms |
782460 KB |
Output is correct |
14 |
Correct |
222 ms |
782284 KB |
Output is correct |
15 |
Correct |
222 ms |
782340 KB |
Output is correct |
16 |
Correct |
220 ms |
782440 KB |
Output is correct |
17 |
Correct |
220 ms |
782676 KB |
Output is correct |
18 |
Correct |
217 ms |
782488 KB |
Output is correct |
19 |
Correct |
217 ms |
782420 KB |
Output is correct |
20 |
Correct |
216 ms |
782288 KB |
Output is correct |
21 |
Correct |
218 ms |
782288 KB |
Output is correct |
22 |
Correct |
220 ms |
782528 KB |
Output is correct |
23 |
Correct |
217 ms |
782484 KB |
Output is correct |
24 |
Correct |
219 ms |
782364 KB |
Output is correct |
25 |
Correct |
212 ms |
782420 KB |
Output is correct |
26 |
Correct |
217 ms |
782420 KB |
Output is correct |
27 |
Correct |
216 ms |
782504 KB |
Output is correct |
28 |
Correct |
223 ms |
782428 KB |
Output is correct |
29 |
Correct |
218 ms |
782332 KB |
Output is correct |
30 |
Correct |
215 ms |
782328 KB |
Output is correct |
31 |
Correct |
218 ms |
782568 KB |
Output is correct |
32 |
Correct |
218 ms |
782416 KB |
Output is correct |
33 |
Correct |
218 ms |
782316 KB |
Output is correct |
34 |
Correct |
216 ms |
782448 KB |
Output is correct |
35 |
Correct |
217 ms |
782672 KB |
Output is correct |
36 |
Correct |
220 ms |
782416 KB |
Output is correct |
37 |
Correct |
221 ms |
782412 KB |
Output is correct |
38 |
Correct |
223 ms |
782572 KB |
Output is correct |
39 |
Correct |
215 ms |
782416 KB |
Output is correct |
40 |
Correct |
213 ms |
782416 KB |
Output is correct |
41 |
Correct |
217 ms |
782328 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
217 ms |
782340 KB |
Output is correct |
2 |
Correct |
215 ms |
782516 KB |
Output is correct |
3 |
Correct |
215 ms |
782676 KB |
Output is correct |
4 |
Correct |
227 ms |
782780 KB |
Output is correct |
5 |
Correct |
213 ms |
782572 KB |
Output is correct |
6 |
Correct |
221 ms |
782944 KB |
Output is correct |
7 |
Correct |
216 ms |
782672 KB |
Output is correct |
8 |
Correct |
220 ms |
782640 KB |
Output is correct |
9 |
Correct |
219 ms |
782672 KB |
Output is correct |
10 |
Correct |
216 ms |
782672 KB |
Output is correct |
11 |
Correct |
216 ms |
782676 KB |
Output is correct |
12 |
Correct |
226 ms |
782444 KB |
Output is correct |
13 |
Correct |
219 ms |
782396 KB |
Output is correct |
14 |
Correct |
217 ms |
782416 KB |
Output is correct |
15 |
Correct |
220 ms |
782492 KB |
Output is correct |
16 |
Correct |
219 ms |
782600 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
320 ms |
782264 KB |
Output is correct |
2 |
Correct |
253 ms |
782656 KB |
Output is correct |
3 |
Correct |
245 ms |
782416 KB |
Output is correct |
4 |
Correct |
236 ms |
782416 KB |
Output is correct |
5 |
Correct |
235 ms |
782384 KB |
Output is correct |
6 |
Correct |
226 ms |
782416 KB |
Output is correct |
7 |
Correct |
228 ms |
782448 KB |
Output is correct |
8 |
Correct |
224 ms |
782428 KB |
Output is correct |
9 |
Correct |
226 ms |
782452 KB |
Output is correct |
10 |
Correct |
229 ms |
782372 KB |
Output is correct |
11 |
Correct |
218 ms |
782352 KB |
Output is correct |
12 |
Correct |
224 ms |
782596 KB |
Output is correct |
13 |
Correct |
220 ms |
782460 KB |
Output is correct |
14 |
Correct |
222 ms |
782284 KB |
Output is correct |
15 |
Correct |
222 ms |
782340 KB |
Output is correct |
16 |
Correct |
220 ms |
782440 KB |
Output is correct |
17 |
Correct |
220 ms |
782676 KB |
Output is correct |
18 |
Correct |
217 ms |
782488 KB |
Output is correct |
19 |
Correct |
217 ms |
782420 KB |
Output is correct |
20 |
Correct |
216 ms |
782288 KB |
Output is correct |
21 |
Correct |
218 ms |
782288 KB |
Output is correct |
22 |
Correct |
220 ms |
782528 KB |
Output is correct |
23 |
Correct |
217 ms |
782484 KB |
Output is correct |
24 |
Correct |
219 ms |
782364 KB |
Output is correct |
25 |
Correct |
212 ms |
782420 KB |
Output is correct |
26 |
Correct |
217 ms |
782420 KB |
Output is correct |
27 |
Correct |
216 ms |
782504 KB |
Output is correct |
28 |
Correct |
223 ms |
782428 KB |
Output is correct |
29 |
Correct |
218 ms |
782332 KB |
Output is correct |
30 |
Correct |
215 ms |
782328 KB |
Output is correct |
31 |
Correct |
218 ms |
782568 KB |
Output is correct |
32 |
Correct |
218 ms |
782416 KB |
Output is correct |
33 |
Correct |
218 ms |
782316 KB |
Output is correct |
34 |
Correct |
216 ms |
782448 KB |
Output is correct |
35 |
Correct |
217 ms |
782672 KB |
Output is correct |
36 |
Correct |
220 ms |
782416 KB |
Output is correct |
37 |
Correct |
221 ms |
782412 KB |
Output is correct |
38 |
Correct |
223 ms |
782572 KB |
Output is correct |
39 |
Correct |
215 ms |
782416 KB |
Output is correct |
40 |
Correct |
213 ms |
782416 KB |
Output is correct |
41 |
Correct |
217 ms |
782328 KB |
Output is correct |
42 |
Correct |
217 ms |
782340 KB |
Output is correct |
43 |
Correct |
215 ms |
782516 KB |
Output is correct |
44 |
Correct |
215 ms |
782676 KB |
Output is correct |
45 |
Correct |
227 ms |
782780 KB |
Output is correct |
46 |
Correct |
213 ms |
782572 KB |
Output is correct |
47 |
Correct |
221 ms |
782944 KB |
Output is correct |
48 |
Correct |
216 ms |
782672 KB |
Output is correct |
49 |
Correct |
220 ms |
782640 KB |
Output is correct |
50 |
Correct |
219 ms |
782672 KB |
Output is correct |
51 |
Correct |
216 ms |
782672 KB |
Output is correct |
52 |
Correct |
216 ms |
782676 KB |
Output is correct |
53 |
Correct |
226 ms |
782444 KB |
Output is correct |
54 |
Correct |
219 ms |
782396 KB |
Output is correct |
55 |
Correct |
217 ms |
782416 KB |
Output is correct |
56 |
Correct |
220 ms |
782492 KB |
Output is correct |
57 |
Correct |
219 ms |
782600 KB |
Output is correct |
58 |
Correct |
277 ms |
783100 KB |
Output is correct |
59 |
Correct |
279 ms |
783220 KB |
Output is correct |
60 |
Correct |
279 ms |
783184 KB |
Output is correct |
61 |
Correct |
285 ms |
783260 KB |
Output is correct |
62 |
Correct |
217 ms |
782928 KB |
Output is correct |
63 |
Correct |
215 ms |
782928 KB |
Output is correct |
64 |
Correct |
231 ms |
782928 KB |
Output is correct |
65 |
Correct |
253 ms |
783080 KB |
Output is correct |
66 |
Correct |
280 ms |
783184 KB |
Output is correct |
67 |
Correct |
280 ms |
783184 KB |
Output is correct |
68 |
Correct |
287 ms |
783052 KB |
Output is correct |
69 |
Correct |
299 ms |
783188 KB |
Output is correct |
70 |
Correct |
286 ms |
783160 KB |
Output is correct |
71 |
Correct |
296 ms |
783440 KB |
Output is correct |
72 |
Correct |
216 ms |
782672 KB |
Output is correct |
73 |
Correct |
214 ms |
783444 KB |
Output is correct |