#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
struct st{ ll a,b,c; };
vector<st> cad[4];
ll cost(ll p1, ll p2, st asd, ll p)
{
asd.a=max(cad[p1][p2].a,asd.a-1);
asd.b=max(cad[p1][p2].b,asd.b-1);
asd.c=max(cad[p1][p2].c,asd.c-1);
return (asd.a+asd.b+asd.c-p);
}
int main()
{
ll n;
cin>>n;
st asd={0,0,0};
for(int i=0; i<4; i++)
cad[i].push_back(asd),cad[i].push_back(asd);
for(int i=1; i<=n; i++)
{
char temp;
cin>>temp;
if(temp=='R') asd.a++;
if(temp=='G') asd.b++;
if(temp=='Y') asd.c++;
if(temp=='R') cad[1].push_back(asd);
if(temp=='G') cad[2].push_back(asd);
if(temp=='Y') cad[3].push_back(asd);
}
ll dp[4][n+2][n+2][n+2];
for(int i=0; i<n+2; i++)
for(int j=0; j<n+2; j++)
for(int k=0; k<n+2; k++)
dp[1][i][j][k]=dp[2][i][j][k]=dp[3][i][j][k]=1e9;
dp[1][1][1][1]=0;
dp[2][1][1][1]=0;
dp[3][1][1][1]=0;
ll sol=0;
for(int i=1; i<cad[1].size(); i++)
{
for(int j=1; j<cad[2].size(); j++)
{
for(int k=1; k<cad[3].size(); k++)
{
ll asd=1e9;
if(i+j+k<=3) continue;
for(int pl=1; pl<4; pl++)
{
ll temp=1e9;
if(pl==1)
{
if(j>1)
temp=min(temp,dp[2][i][j-1][k]+cost(2,j,{i,j,k},i+j+k-3));
if(k>1)
temp=min(temp,dp[3][i][j][k-1]+cost(3,k,{i,j,k},i+j+k-3));
}
if(pl==2)
{
if(i>1)
temp=min(temp,dp[1][i-1][j][k]+cost(1,i,{i,j,k},i+j+k-3));
if(k>1)
temp=min(temp,dp[3][i][j][k-1]+cost(3,k,{i,j,k},i+j+k-3));
}
if(pl==3)
{
if(i>1)
temp=min(temp,dp[1][i-1][j][k]+cost(1,i,{i,j,k},i+j+k-3));
if(j>1)
temp=min(temp,dp[2][i][j-1][k]+cost(2,j,{i,j,k},i+j+k-3));
}
asd=min(asd,temp);
dp[pl][i][j][k]=min(temp,dp[pl][i][j][k]);
}
sol=asd;
}
}
}
if(sol==1000000000)
{
cout<<"-1";
}
else {
cout<<sol;
}
}
Compilation message
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:41:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<st>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
41 | for(int i=1; i<cad[1].size(); i++)
| ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<st>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | for(int j=1; j<cad[2].size(); j++)
| ~^~~~~~~~~~~~~~
joi2019_ho_t3.cpp:45:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<st>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
45 | for(int k=1; k<cad[3].size(); k++)
| ~^~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
436 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
436 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
436 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
436 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
4 ms |
7772 KB |
Output is correct |
19 |
Correct |
4 ms |
7768 KB |
Output is correct |
20 |
Correct |
5 ms |
7772 KB |
Output is correct |
21 |
Correct |
4 ms |
7656 KB |
Output is correct |
22 |
Correct |
4 ms |
7772 KB |
Output is correct |
23 |
Correct |
4 ms |
7772 KB |
Output is correct |
24 |
Correct |
4 ms |
7772 KB |
Output is correct |
25 |
Correct |
5 ms |
7772 KB |
Output is correct |
26 |
Correct |
4 ms |
7772 KB |
Output is correct |
27 |
Correct |
4 ms |
7796 KB |
Output is correct |
28 |
Correct |
4 ms |
7768 KB |
Output is correct |
29 |
Correct |
5 ms |
7772 KB |
Output is correct |
30 |
Correct |
4 ms |
7772 KB |
Output is correct |
31 |
Correct |
4 ms |
7776 KB |
Output is correct |
32 |
Correct |
6 ms |
7784 KB |
Output is correct |
33 |
Correct |
4 ms |
7528 KB |
Output is correct |
34 |
Correct |
4 ms |
7524 KB |
Output is correct |
35 |
Correct |
4 ms |
7004 KB |
Output is correct |
36 |
Correct |
4 ms |
7520 KB |
Output is correct |
37 |
Correct |
4 ms |
6628 KB |
Output is correct |
38 |
Correct |
4 ms |
7776 KB |
Output is correct |
39 |
Correct |
4 ms |
7776 KB |
Output is correct |
40 |
Correct |
4 ms |
7520 KB |
Output is correct |
41 |
Correct |
4 ms |
7776 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
552 KB |
Output is correct |
2 |
Execution timed out |
807 ms |
1048576 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
436 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
436 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
4 ms |
7772 KB |
Output is correct |
19 |
Correct |
4 ms |
7768 KB |
Output is correct |
20 |
Correct |
5 ms |
7772 KB |
Output is correct |
21 |
Correct |
4 ms |
7656 KB |
Output is correct |
22 |
Correct |
4 ms |
7772 KB |
Output is correct |
23 |
Correct |
4 ms |
7772 KB |
Output is correct |
24 |
Correct |
4 ms |
7772 KB |
Output is correct |
25 |
Correct |
5 ms |
7772 KB |
Output is correct |
26 |
Correct |
4 ms |
7772 KB |
Output is correct |
27 |
Correct |
4 ms |
7796 KB |
Output is correct |
28 |
Correct |
4 ms |
7768 KB |
Output is correct |
29 |
Correct |
5 ms |
7772 KB |
Output is correct |
30 |
Correct |
4 ms |
7772 KB |
Output is correct |
31 |
Correct |
4 ms |
7776 KB |
Output is correct |
32 |
Correct |
6 ms |
7784 KB |
Output is correct |
33 |
Correct |
4 ms |
7528 KB |
Output is correct |
34 |
Correct |
4 ms |
7524 KB |
Output is correct |
35 |
Correct |
4 ms |
7004 KB |
Output is correct |
36 |
Correct |
4 ms |
7520 KB |
Output is correct |
37 |
Correct |
4 ms |
6628 KB |
Output is correct |
38 |
Correct |
4 ms |
7776 KB |
Output is correct |
39 |
Correct |
4 ms |
7776 KB |
Output is correct |
40 |
Correct |
4 ms |
7520 KB |
Output is correct |
41 |
Correct |
4 ms |
7776 KB |
Output is correct |
42 |
Correct |
0 ms |
552 KB |
Output is correct |
43 |
Execution timed out |
807 ms |
1048576 KB |
Time limit exceeded |
44 |
Halted |
0 ms |
0 KB |
- |