#include <cstdio>
#include <cstring>
#include <algorithm>
#include <vector>
#include <unordered_map>
#define PB push_back
using namespace std;
typedef long long ll;
typedef vector < int > vi;
const int N = 2550;
const int MOD1 = 1e9 + 7;
const int MOD2 = 1e9 + 9;
const int BASE1 = 1e6 + 3;
const int BASE2 = 31337;
inline int add1(int A, int B){
if(A + B >= MOD1)
return A + B - MOD1;
return A + B;
}
inline int sub1(int A, int B){
if(A - B < 0)
return A - B + MOD1;
return A - B;
}
inline int mul1(int A, int B){
return (ll)A * B % MOD1;
}
inline int add2(int A, int B){
if(A + B >= MOD2)
return A + B - MOD2;
return A + B;
}
inline int sub2(int A, int B){
if(A - B < 0)
return A - B + MOD2;
return A - B;
}
inline int mul2(int A, int B){
return (ll)A * B % MOD2;
}
ll dp[N][N], A, B, C;
vi divv[N];
int pot1[N], pot2[N], n;
ll HSH[N][N];
int nxt[N][N], hsh1[N], hsh2[N];
char s[N];
unordered_map < ll, int > bio;
int get_hsh1(int l, int r){
return mul1(sub1(hsh1[r], (l ? hsh1[l - 1] : 0)), pot1[N - r - 1]);
}
int get_hsh2(int l, int r){
return mul2(sub2(hsh2[r], (l ? hsh2[l - 1] : 0)), pot2[N - r - 1]);
}
void precompute(){
pot1[0] = 1; pot2[0] = 1;
for(int i = 1;i < N;i++)
pot1[i] = mul1(pot1[i - 1], BASE1);
for(int i = 1;i < N;i++)
pot2[i] = mul2(pot2[i - 1], BASE2);
for(int i = 0;i < n;i++){
hsh1[i] = add1(mul1(s[i], pot1[i]), (i ? hsh1[i - 1] : 0));
hsh2[i] = add2(mul2(s[i], pot2[i]), (i ? hsh2[i - 1] : 0));
}
for(int i = 0;i < n;i++)
for(int j = i;j < n;j++)
HSH[i][j] = get_hsh1(i, j) * MOD2 + get_hsh2(i, j);
for(int ln = 1;ln <= n;ln++){
bio.clear();
for(int i = n - ln;i >= 0;i--){
if(i + 2 * ln <= n)
bio[HSH[i + ln][i + 2 * ln - 1]] = i + ln;
if(bio[HSH[i][i + ln - 1]]){
nxt[i][ln] = bio[HSH[i][i + ln - 1]];
}
}
}
}
void dinamika(){
for(int l = n - 1;l >= 0;l--){
dp[l][l] = A;
for(int r = l + 1;r <= n;r++)
dp[l][r] = A + dp[l + 1][r];
for(int k = 1;2 * k <= n - l;k++){
if(k - 1)
dp[l][l + k - 1] = min(dp[l][l + k - 1], dp[l][l + k - 2] + A);
ll cur = dp[l][l + k - 1] + B + C;
int zad = l;
while(nxt[zad][k]){
cur += C + A * (nxt[zad][k] - (zad + k));
zad = nxt[zad][k];
dp[l][zad + k - 1] = min(dp[l][zad + k - 1], cur);
}
}
for(int i = l + 1;i < n;i++)
dp[l][i] = min(dp[l][i], dp[l][i - 1] + A);
}
}
int main(){
memset(dp, -1, sizeof(dp));
scanf("%d%s%lld%lld%lld", &n, s, &A, &B, &C);
precompute();
dinamika();
printf("%lld\n", dp[0][n - 1]);
return 0;
}
Compilation message
copypaste3.cpp: In function 'int main()':
copypaste3.cpp:117:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
117 | scanf("%d%s%lld%lld%lld", &n, s, &A, &B, &C);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
51284 KB |
Output is correct |
2 |
Correct |
22 ms |
51252 KB |
Output is correct |
3 |
Correct |
20 ms |
51248 KB |
Output is correct |
4 |
Correct |
23 ms |
51240 KB |
Output is correct |
5 |
Correct |
21 ms |
51196 KB |
Output is correct |
6 |
Correct |
24 ms |
51280 KB |
Output is correct |
7 |
Correct |
20 ms |
51240 KB |
Output is correct |
8 |
Correct |
19 ms |
51240 KB |
Output is correct |
9 |
Correct |
21 ms |
51224 KB |
Output is correct |
10 |
Correct |
21 ms |
51272 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
51328 KB |
Output is correct |
2 |
Correct |
18 ms |
51284 KB |
Output is correct |
3 |
Correct |
256 ms |
82252 KB |
Output is correct |
4 |
Correct |
276 ms |
86220 KB |
Output is correct |
5 |
Correct |
336 ms |
90760 KB |
Output is correct |
6 |
Correct |
426 ms |
95676 KB |
Output is correct |
7 |
Correct |
525 ms |
101084 KB |
Output is correct |
8 |
Correct |
602 ms |
101084 KB |
Output is correct |
9 |
Correct |
496 ms |
100996 KB |
Output is correct |
10 |
Correct |
22 ms |
51184 KB |
Output is correct |
11 |
Correct |
21 ms |
51284 KB |
Output is correct |
12 |
Correct |
24 ms |
51268 KB |
Output is correct |
13 |
Correct |
23 ms |
51224 KB |
Output is correct |
14 |
Correct |
26 ms |
51324 KB |
Output is correct |
15 |
Correct |
21 ms |
51320 KB |
Output is correct |
16 |
Correct |
24 ms |
51504 KB |
Output is correct |
17 |
Correct |
23 ms |
51216 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
51284 KB |
Output is correct |
2 |
Correct |
22 ms |
51252 KB |
Output is correct |
3 |
Correct |
20 ms |
51248 KB |
Output is correct |
4 |
Correct |
23 ms |
51240 KB |
Output is correct |
5 |
Correct |
21 ms |
51196 KB |
Output is correct |
6 |
Correct |
24 ms |
51280 KB |
Output is correct |
7 |
Correct |
20 ms |
51240 KB |
Output is correct |
8 |
Correct |
19 ms |
51240 KB |
Output is correct |
9 |
Correct |
21 ms |
51224 KB |
Output is correct |
10 |
Correct |
21 ms |
51272 KB |
Output is correct |
11 |
Correct |
23 ms |
51324 KB |
Output is correct |
12 |
Correct |
23 ms |
51412 KB |
Output is correct |
13 |
Correct |
21 ms |
51428 KB |
Output is correct |
14 |
Correct |
22 ms |
51296 KB |
Output is correct |
15 |
Correct |
22 ms |
51368 KB |
Output is correct |
16 |
Correct |
29 ms |
51332 KB |
Output is correct |
17 |
Correct |
24 ms |
51184 KB |
Output is correct |
18 |
Correct |
22 ms |
51168 KB |
Output is correct |
19 |
Correct |
22 ms |
51284 KB |
Output is correct |
20 |
Correct |
25 ms |
51240 KB |
Output is correct |
21 |
Correct |
25 ms |
51512 KB |
Output is correct |
22 |
Correct |
22 ms |
51408 KB |
Output is correct |
23 |
Correct |
22 ms |
51472 KB |
Output is correct |
24 |
Correct |
23 ms |
51488 KB |
Output is correct |
25 |
Correct |
29 ms |
51404 KB |
Output is correct |
26 |
Correct |
23 ms |
51380 KB |
Output is correct |
27 |
Correct |
22 ms |
51412 KB |
Output is correct |
28 |
Correct |
23 ms |
51428 KB |
Output is correct |
29 |
Correct |
27 ms |
51492 KB |
Output is correct |
30 |
Correct |
23 ms |
51420 KB |
Output is correct |
31 |
Correct |
22 ms |
51440 KB |
Output is correct |
32 |
Correct |
23 ms |
51388 KB |
Output is correct |
33 |
Correct |
25 ms |
51324 KB |
Output is correct |
34 |
Correct |
28 ms |
51240 KB |
Output is correct |
35 |
Correct |
20 ms |
51284 KB |
Output is correct |
36 |
Correct |
22 ms |
51276 KB |
Output is correct |
37 |
Correct |
21 ms |
51208 KB |
Output is correct |
38 |
Correct |
20 ms |
51248 KB |
Output is correct |
39 |
Correct |
19 ms |
51480 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
51284 KB |
Output is correct |
2 |
Correct |
22 ms |
51252 KB |
Output is correct |
3 |
Correct |
20 ms |
51248 KB |
Output is correct |
4 |
Correct |
23 ms |
51240 KB |
Output is correct |
5 |
Correct |
21 ms |
51196 KB |
Output is correct |
6 |
Correct |
24 ms |
51280 KB |
Output is correct |
7 |
Correct |
20 ms |
51240 KB |
Output is correct |
8 |
Correct |
19 ms |
51240 KB |
Output is correct |
9 |
Correct |
21 ms |
51224 KB |
Output is correct |
10 |
Correct |
21 ms |
51272 KB |
Output is correct |
11 |
Correct |
23 ms |
51324 KB |
Output is correct |
12 |
Correct |
23 ms |
51412 KB |
Output is correct |
13 |
Correct |
21 ms |
51428 KB |
Output is correct |
14 |
Correct |
22 ms |
51296 KB |
Output is correct |
15 |
Correct |
22 ms |
51368 KB |
Output is correct |
16 |
Correct |
29 ms |
51332 KB |
Output is correct |
17 |
Correct |
24 ms |
51184 KB |
Output is correct |
18 |
Correct |
22 ms |
51168 KB |
Output is correct |
19 |
Correct |
22 ms |
51284 KB |
Output is correct |
20 |
Correct |
25 ms |
51240 KB |
Output is correct |
21 |
Correct |
25 ms |
51512 KB |
Output is correct |
22 |
Correct |
22 ms |
51408 KB |
Output is correct |
23 |
Correct |
22 ms |
51472 KB |
Output is correct |
24 |
Correct |
23 ms |
51488 KB |
Output is correct |
25 |
Correct |
29 ms |
51404 KB |
Output is correct |
26 |
Correct |
23 ms |
51380 KB |
Output is correct |
27 |
Correct |
22 ms |
51412 KB |
Output is correct |
28 |
Correct |
23 ms |
51428 KB |
Output is correct |
29 |
Correct |
27 ms |
51492 KB |
Output is correct |
30 |
Correct |
23 ms |
51420 KB |
Output is correct |
31 |
Correct |
22 ms |
51440 KB |
Output is correct |
32 |
Correct |
23 ms |
51388 KB |
Output is correct |
33 |
Correct |
25 ms |
51324 KB |
Output is correct |
34 |
Correct |
28 ms |
51240 KB |
Output is correct |
35 |
Correct |
20 ms |
51284 KB |
Output is correct |
36 |
Correct |
22 ms |
51276 KB |
Output is correct |
37 |
Correct |
21 ms |
51208 KB |
Output is correct |
38 |
Correct |
20 ms |
51248 KB |
Output is correct |
39 |
Correct |
19 ms |
51480 KB |
Output is correct |
40 |
Correct |
20 ms |
51924 KB |
Output is correct |
41 |
Correct |
28 ms |
53004 KB |
Output is correct |
42 |
Correct |
24 ms |
53076 KB |
Output is correct |
43 |
Correct |
22 ms |
52964 KB |
Output is correct |
44 |
Correct |
22 ms |
53052 KB |
Output is correct |
45 |
Correct |
23 ms |
52984 KB |
Output is correct |
46 |
Correct |
23 ms |
52952 KB |
Output is correct |
47 |
Correct |
24 ms |
53036 KB |
Output is correct |
48 |
Correct |
27 ms |
52880 KB |
Output is correct |
49 |
Correct |
24 ms |
52948 KB |
Output is correct |
50 |
Correct |
24 ms |
52948 KB |
Output is correct |
51 |
Correct |
24 ms |
53076 KB |
Output is correct |
52 |
Correct |
23 ms |
53048 KB |
Output is correct |
53 |
Correct |
28 ms |
52940 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
51284 KB |
Output is correct |
2 |
Correct |
22 ms |
51252 KB |
Output is correct |
3 |
Correct |
20 ms |
51248 KB |
Output is correct |
4 |
Correct |
23 ms |
51240 KB |
Output is correct |
5 |
Correct |
21 ms |
51196 KB |
Output is correct |
6 |
Correct |
24 ms |
51280 KB |
Output is correct |
7 |
Correct |
20 ms |
51240 KB |
Output is correct |
8 |
Correct |
19 ms |
51240 KB |
Output is correct |
9 |
Correct |
21 ms |
51224 KB |
Output is correct |
10 |
Correct |
21 ms |
51272 KB |
Output is correct |
11 |
Correct |
23 ms |
51324 KB |
Output is correct |
12 |
Correct |
23 ms |
51412 KB |
Output is correct |
13 |
Correct |
21 ms |
51428 KB |
Output is correct |
14 |
Correct |
22 ms |
51296 KB |
Output is correct |
15 |
Correct |
22 ms |
51368 KB |
Output is correct |
16 |
Correct |
29 ms |
51332 KB |
Output is correct |
17 |
Correct |
24 ms |
51184 KB |
Output is correct |
18 |
Correct |
22 ms |
51168 KB |
Output is correct |
19 |
Correct |
22 ms |
51284 KB |
Output is correct |
20 |
Correct |
25 ms |
51240 KB |
Output is correct |
21 |
Correct |
25 ms |
51512 KB |
Output is correct |
22 |
Correct |
22 ms |
51408 KB |
Output is correct |
23 |
Correct |
22 ms |
51472 KB |
Output is correct |
24 |
Correct |
23 ms |
51488 KB |
Output is correct |
25 |
Correct |
29 ms |
51404 KB |
Output is correct |
26 |
Correct |
23 ms |
51380 KB |
Output is correct |
27 |
Correct |
22 ms |
51412 KB |
Output is correct |
28 |
Correct |
23 ms |
51428 KB |
Output is correct |
29 |
Correct |
27 ms |
51492 KB |
Output is correct |
30 |
Correct |
23 ms |
51420 KB |
Output is correct |
31 |
Correct |
22 ms |
51440 KB |
Output is correct |
32 |
Correct |
23 ms |
51388 KB |
Output is correct |
33 |
Correct |
25 ms |
51324 KB |
Output is correct |
34 |
Correct |
28 ms |
51240 KB |
Output is correct |
35 |
Correct |
20 ms |
51284 KB |
Output is correct |
36 |
Correct |
22 ms |
51276 KB |
Output is correct |
37 |
Correct |
21 ms |
51208 KB |
Output is correct |
38 |
Correct |
20 ms |
51248 KB |
Output is correct |
39 |
Correct |
19 ms |
51480 KB |
Output is correct |
40 |
Correct |
20 ms |
51924 KB |
Output is correct |
41 |
Correct |
28 ms |
53004 KB |
Output is correct |
42 |
Correct |
24 ms |
53076 KB |
Output is correct |
43 |
Correct |
22 ms |
52964 KB |
Output is correct |
44 |
Correct |
22 ms |
53052 KB |
Output is correct |
45 |
Correct |
23 ms |
52984 KB |
Output is correct |
46 |
Correct |
23 ms |
52952 KB |
Output is correct |
47 |
Correct |
24 ms |
53036 KB |
Output is correct |
48 |
Correct |
27 ms |
52880 KB |
Output is correct |
49 |
Correct |
24 ms |
52948 KB |
Output is correct |
50 |
Correct |
24 ms |
52948 KB |
Output is correct |
51 |
Correct |
24 ms |
53076 KB |
Output is correct |
52 |
Correct |
23 ms |
53048 KB |
Output is correct |
53 |
Correct |
28 ms |
52940 KB |
Output is correct |
54 |
Correct |
29 ms |
55624 KB |
Output is correct |
55 |
Correct |
85 ms |
64208 KB |
Output is correct |
56 |
Correct |
75 ms |
63188 KB |
Output is correct |
57 |
Correct |
81 ms |
63284 KB |
Output is correct |
58 |
Correct |
80 ms |
63260 KB |
Output is correct |
59 |
Correct |
69 ms |
63240 KB |
Output is correct |
60 |
Correct |
63 ms |
63188 KB |
Output is correct |
61 |
Correct |
58 ms |
63844 KB |
Output is correct |
62 |
Correct |
63 ms |
64168 KB |
Output is correct |
63 |
Correct |
64 ms |
63620 KB |
Output is correct |
64 |
Correct |
69 ms |
63564 KB |
Output is correct |
65 |
Correct |
66 ms |
64064 KB |
Output is correct |
66 |
Correct |
65 ms |
63936 KB |
Output is correct |
67 |
Correct |
65 ms |
63180 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
51284 KB |
Output is correct |
2 |
Correct |
22 ms |
51252 KB |
Output is correct |
3 |
Correct |
20 ms |
51248 KB |
Output is correct |
4 |
Correct |
23 ms |
51240 KB |
Output is correct |
5 |
Correct |
21 ms |
51196 KB |
Output is correct |
6 |
Correct |
24 ms |
51280 KB |
Output is correct |
7 |
Correct |
20 ms |
51240 KB |
Output is correct |
8 |
Correct |
19 ms |
51240 KB |
Output is correct |
9 |
Correct |
21 ms |
51224 KB |
Output is correct |
10 |
Correct |
21 ms |
51272 KB |
Output is correct |
11 |
Correct |
20 ms |
51328 KB |
Output is correct |
12 |
Correct |
18 ms |
51284 KB |
Output is correct |
13 |
Correct |
256 ms |
82252 KB |
Output is correct |
14 |
Correct |
276 ms |
86220 KB |
Output is correct |
15 |
Correct |
336 ms |
90760 KB |
Output is correct |
16 |
Correct |
426 ms |
95676 KB |
Output is correct |
17 |
Correct |
525 ms |
101084 KB |
Output is correct |
18 |
Correct |
602 ms |
101084 KB |
Output is correct |
19 |
Correct |
496 ms |
100996 KB |
Output is correct |
20 |
Correct |
22 ms |
51184 KB |
Output is correct |
21 |
Correct |
21 ms |
51284 KB |
Output is correct |
22 |
Correct |
24 ms |
51268 KB |
Output is correct |
23 |
Correct |
23 ms |
51224 KB |
Output is correct |
24 |
Correct |
26 ms |
51324 KB |
Output is correct |
25 |
Correct |
21 ms |
51320 KB |
Output is correct |
26 |
Correct |
24 ms |
51504 KB |
Output is correct |
27 |
Correct |
23 ms |
51216 KB |
Output is correct |
28 |
Correct |
23 ms |
51324 KB |
Output is correct |
29 |
Correct |
23 ms |
51412 KB |
Output is correct |
30 |
Correct |
21 ms |
51428 KB |
Output is correct |
31 |
Correct |
22 ms |
51296 KB |
Output is correct |
32 |
Correct |
22 ms |
51368 KB |
Output is correct |
33 |
Correct |
29 ms |
51332 KB |
Output is correct |
34 |
Correct |
24 ms |
51184 KB |
Output is correct |
35 |
Correct |
22 ms |
51168 KB |
Output is correct |
36 |
Correct |
22 ms |
51284 KB |
Output is correct |
37 |
Correct |
25 ms |
51240 KB |
Output is correct |
38 |
Correct |
25 ms |
51512 KB |
Output is correct |
39 |
Correct |
22 ms |
51408 KB |
Output is correct |
40 |
Correct |
22 ms |
51472 KB |
Output is correct |
41 |
Correct |
23 ms |
51488 KB |
Output is correct |
42 |
Correct |
29 ms |
51404 KB |
Output is correct |
43 |
Correct |
23 ms |
51380 KB |
Output is correct |
44 |
Correct |
22 ms |
51412 KB |
Output is correct |
45 |
Correct |
23 ms |
51428 KB |
Output is correct |
46 |
Correct |
27 ms |
51492 KB |
Output is correct |
47 |
Correct |
23 ms |
51420 KB |
Output is correct |
48 |
Correct |
22 ms |
51440 KB |
Output is correct |
49 |
Correct |
23 ms |
51388 KB |
Output is correct |
50 |
Correct |
25 ms |
51324 KB |
Output is correct |
51 |
Correct |
28 ms |
51240 KB |
Output is correct |
52 |
Correct |
20 ms |
51284 KB |
Output is correct |
53 |
Correct |
22 ms |
51276 KB |
Output is correct |
54 |
Correct |
21 ms |
51208 KB |
Output is correct |
55 |
Correct |
20 ms |
51248 KB |
Output is correct |
56 |
Correct |
19 ms |
51480 KB |
Output is correct |
57 |
Correct |
20 ms |
51924 KB |
Output is correct |
58 |
Correct |
28 ms |
53004 KB |
Output is correct |
59 |
Correct |
24 ms |
53076 KB |
Output is correct |
60 |
Correct |
22 ms |
52964 KB |
Output is correct |
61 |
Correct |
22 ms |
53052 KB |
Output is correct |
62 |
Correct |
23 ms |
52984 KB |
Output is correct |
63 |
Correct |
23 ms |
52952 KB |
Output is correct |
64 |
Correct |
24 ms |
53036 KB |
Output is correct |
65 |
Correct |
27 ms |
52880 KB |
Output is correct |
66 |
Correct |
24 ms |
52948 KB |
Output is correct |
67 |
Correct |
24 ms |
52948 KB |
Output is correct |
68 |
Correct |
24 ms |
53076 KB |
Output is correct |
69 |
Correct |
23 ms |
53048 KB |
Output is correct |
70 |
Correct |
28 ms |
52940 KB |
Output is correct |
71 |
Correct |
29 ms |
55624 KB |
Output is correct |
72 |
Correct |
85 ms |
64208 KB |
Output is correct |
73 |
Correct |
75 ms |
63188 KB |
Output is correct |
74 |
Correct |
81 ms |
63284 KB |
Output is correct |
75 |
Correct |
80 ms |
63260 KB |
Output is correct |
76 |
Correct |
69 ms |
63240 KB |
Output is correct |
77 |
Correct |
63 ms |
63188 KB |
Output is correct |
78 |
Correct |
58 ms |
63844 KB |
Output is correct |
79 |
Correct |
63 ms |
64168 KB |
Output is correct |
80 |
Correct |
64 ms |
63620 KB |
Output is correct |
81 |
Correct |
69 ms |
63564 KB |
Output is correct |
82 |
Correct |
66 ms |
64064 KB |
Output is correct |
83 |
Correct |
65 ms |
63936 KB |
Output is correct |
84 |
Correct |
65 ms |
63180 KB |
Output is correct |
85 |
Correct |
146 ms |
73892 KB |
Output is correct |
86 |
Correct |
351 ms |
95228 KB |
Output is correct |
87 |
Correct |
359 ms |
95284 KB |
Output is correct |
88 |
Correct |
334 ms |
95060 KB |
Output is correct |
89 |
Correct |
315 ms |
95084 KB |
Output is correct |
90 |
Correct |
341 ms |
95024 KB |
Output is correct |
91 |
Correct |
252 ms |
100840 KB |
Output is correct |
92 |
Correct |
325 ms |
101032 KB |
Output is correct |
93 |
Correct |
339 ms |
98548 KB |
Output is correct |
94 |
Correct |
313 ms |
97980 KB |
Output is correct |
95 |
Correct |
357 ms |
100320 KB |
Output is correct |
96 |
Correct |
366 ms |
100220 KB |
Output is correct |
97 |
Correct |
320 ms |
95012 KB |
Output is correct |