#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
char S[400];
vi c[3];
int num[3][401][400];
int dp[2500000][3];
int main() {
int i;
int N;
scanf("%d",&N);
for (i = 0; i < N; i++) {
scanf(" %c",&S[i]);
if (S[i] == 'R') c[0].pb(i);
else if (S[i] == 'G') c[1].pb(i);
else c[2].pb(i);
}
int j,k;
int x = c[0].size(),y = c[1].size(),z = c[2].size();
for (i = 0; i < 3; i++) {
for (j = 0; j < c[i].size(); j++) {
for (k = 0; k < N; k++) num[i][j+1][k] = num[i][j][k];
for (k = 0; k <= c[i][j]; k++) num[i][j+1][k]++;
}
}
for (i = 1; i < (x+1)*(y+1)*(z+1); i++) {
int p = i % (x+1),q = (i/(x+1)) % (y+1),r = i/((x+1)*(y+1));
for (j = 0; j < 3; j++) dp[i][j] = 1e9;
if (p > 0) dp[i][0] = min(dp[i][0],min(dp[i-1][1],dp[i-1][2])+num[1][q][c[0][p-1]]+num[2][r][c[0][p-1]]);
if (q > 0) dp[i][1] = min(dp[i][1],min(dp[i-(x+1)][0],dp[i-(x+1)][2])+num[0][p][c[1][q-1]]+num[2][r][c[1][q-1]]);
if (r > 0) dp[i][2] = min(dp[i][2],min(dp[i-(x+1)*(y+1)][0],dp[i-(x+1)*(y+1)][1])+num[0][p][c[2][r-1]]+num[1][q][c[2][r-1]]);
}
i--;
int ans = min(min(dp[i][0],dp[i][1]),dp[i][2]);
printf("%d\n",(ans < 1e8) ? ans:-1);
return 0;
}
Compilation message
joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:76:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < c[i].size(); j++) {
~~^~~~~~~~~~~~~
joi2019_ho_t3.cpp:65:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&N);
~~~~~^~~~~~~~~
joi2019_ho_t3.cpp:67:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %c",&S[i]);
~~~~~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
0 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
0 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
504 KB |
Output is correct |
19 |
Correct |
2 ms |
504 KB |
Output is correct |
20 |
Correct |
2 ms |
504 KB |
Output is correct |
21 |
Correct |
2 ms |
508 KB |
Output is correct |
22 |
Correct |
2 ms |
504 KB |
Output is correct |
23 |
Correct |
2 ms |
504 KB |
Output is correct |
24 |
Correct |
2 ms |
504 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
504 KB |
Output is correct |
27 |
Correct |
2 ms |
504 KB |
Output is correct |
28 |
Correct |
2 ms |
504 KB |
Output is correct |
29 |
Correct |
2 ms |
504 KB |
Output is correct |
30 |
Correct |
2 ms |
508 KB |
Output is correct |
31 |
Correct |
2 ms |
504 KB |
Output is correct |
32 |
Correct |
2 ms |
504 KB |
Output is correct |
33 |
Correct |
2 ms |
504 KB |
Output is correct |
34 |
Correct |
2 ms |
504 KB |
Output is correct |
35 |
Correct |
2 ms |
504 KB |
Output is correct |
36 |
Correct |
2 ms |
508 KB |
Output is correct |
37 |
Correct |
2 ms |
504 KB |
Output is correct |
38 |
Correct |
3 ms |
496 KB |
Output is correct |
39 |
Correct |
2 ms |
504 KB |
Output is correct |
40 |
Correct |
2 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
1400 KB |
Output is correct |
3 |
Correct |
4 ms |
1400 KB |
Output is correct |
4 |
Correct |
4 ms |
1528 KB |
Output is correct |
5 |
Correct |
4 ms |
1400 KB |
Output is correct |
6 |
Correct |
4 ms |
1400 KB |
Output is correct |
7 |
Correct |
4 ms |
1400 KB |
Output is correct |
8 |
Correct |
4 ms |
1400 KB |
Output is correct |
9 |
Correct |
4 ms |
1400 KB |
Output is correct |
10 |
Correct |
4 ms |
1528 KB |
Output is correct |
11 |
Correct |
4 ms |
1528 KB |
Output is correct |
12 |
Correct |
3 ms |
760 KB |
Output is correct |
13 |
Correct |
3 ms |
1016 KB |
Output is correct |
14 |
Correct |
3 ms |
1144 KB |
Output is correct |
15 |
Correct |
4 ms |
1528 KB |
Output is correct |
16 |
Correct |
4 ms |
1468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
0 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
504 KB |
Output is correct |
19 |
Correct |
2 ms |
504 KB |
Output is correct |
20 |
Correct |
2 ms |
504 KB |
Output is correct |
21 |
Correct |
2 ms |
508 KB |
Output is correct |
22 |
Correct |
2 ms |
504 KB |
Output is correct |
23 |
Correct |
2 ms |
504 KB |
Output is correct |
24 |
Correct |
2 ms |
504 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
2 ms |
504 KB |
Output is correct |
27 |
Correct |
2 ms |
504 KB |
Output is correct |
28 |
Correct |
2 ms |
504 KB |
Output is correct |
29 |
Correct |
2 ms |
504 KB |
Output is correct |
30 |
Correct |
2 ms |
508 KB |
Output is correct |
31 |
Correct |
2 ms |
504 KB |
Output is correct |
32 |
Correct |
2 ms |
504 KB |
Output is correct |
33 |
Correct |
2 ms |
504 KB |
Output is correct |
34 |
Correct |
2 ms |
504 KB |
Output is correct |
35 |
Correct |
2 ms |
504 KB |
Output is correct |
36 |
Correct |
2 ms |
508 KB |
Output is correct |
37 |
Correct |
2 ms |
504 KB |
Output is correct |
38 |
Correct |
3 ms |
496 KB |
Output is correct |
39 |
Correct |
2 ms |
504 KB |
Output is correct |
40 |
Correct |
2 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
504 KB |
Output is correct |
42 |
Correct |
2 ms |
376 KB |
Output is correct |
43 |
Correct |
4 ms |
1400 KB |
Output is correct |
44 |
Correct |
4 ms |
1400 KB |
Output is correct |
45 |
Correct |
4 ms |
1528 KB |
Output is correct |
46 |
Correct |
4 ms |
1400 KB |
Output is correct |
47 |
Correct |
4 ms |
1400 KB |
Output is correct |
48 |
Correct |
4 ms |
1400 KB |
Output is correct |
49 |
Correct |
4 ms |
1400 KB |
Output is correct |
50 |
Correct |
4 ms |
1400 KB |
Output is correct |
51 |
Correct |
4 ms |
1528 KB |
Output is correct |
52 |
Correct |
4 ms |
1528 KB |
Output is correct |
53 |
Correct |
3 ms |
760 KB |
Output is correct |
54 |
Correct |
3 ms |
1016 KB |
Output is correct |
55 |
Correct |
3 ms |
1144 KB |
Output is correct |
56 |
Correct |
4 ms |
1528 KB |
Output is correct |
57 |
Correct |
4 ms |
1468 KB |
Output is correct |
58 |
Correct |
80 ms |
29148 KB |
Output is correct |
59 |
Correct |
81 ms |
29172 KB |
Output is correct |
60 |
Correct |
80 ms |
28920 KB |
Output is correct |
61 |
Correct |
94 ms |
29176 KB |
Output is correct |
62 |
Correct |
9 ms |
3320 KB |
Output is correct |
63 |
Correct |
14 ms |
5112 KB |
Output is correct |
64 |
Correct |
41 ms |
14840 KB |
Output is correct |
65 |
Correct |
62 ms |
21040 KB |
Output is correct |
66 |
Correct |
79 ms |
28792 KB |
Output is correct |
67 |
Correct |
78 ms |
28792 KB |
Output is correct |
68 |
Correct |
80 ms |
29304 KB |
Output is correct |
69 |
Correct |
87 ms |
29400 KB |
Output is correct |
70 |
Correct |
81 ms |
29396 KB |
Output is correct |
71 |
Correct |
79 ms |
28664 KB |
Output is correct |
72 |
Correct |
23 ms |
8068 KB |
Output is correct |
73 |
Correct |
8 ms |
2808 KB |
Output is correct |