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#203392#2481. Pickpocketssalvator_noster#TL 96ms13564kbC++202.5kb2023-10-06 17:09:552023-10-06 17:09:55

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  • [2023-10-06 17:09:55]
  • 评测
  • 测评结果：TL
  • 用时：96ms
  • 内存：13564kb
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  • [2023-10-06 17:09:55]
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answer

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef map <int, int> mi;

const int MAX_N = 100000 + 5;
const int INF32 = 0x3f3f3f3f;

int N, M, c[MAX_N], l[MAX_N], cost[MAX_N];
mi a;
int totlen[MAX_N], totcost[MAX_N];
map <pair <mi, int>, int> f;
set <pair <int, int>> candidate;

void add(mi &a, int pos) {
    if (a.count(pos)) {
        if (!++ a[pos]) a.erase(pos);
    }else a[pos] = 1;
}

void sub(mi &a, int pos) {
    if (a.count(pos)) {
        if (!-- a[pos]) {
            a.erase(pos);
        }
    }else {
        a[pos] = -1;
    }
}

void debug(mi &x) {
    for (auto [pos, cnt] : x) fprintf(stderr, "pos = %d, cnt = %d\n", pos, cnt);
}

int dfs(mi &cura, int status, int tot) {
    // debug(cura);
    // fprintf(stderr, "status = %d\n", status);
    if (cura.empty()) return 1;
    pair <mi, int> tmp = make_pair(cura, status);
    if (f.count(tmp)) return f[tmp];
    f[tmp] = 0;
    int sum = 0;
    for (auto [pos, cnt] : cura) {
        if (cnt > 0) {
            sum += cnt;
            if (sum > tot) break;
        }
    }
    if (sum > tot) return 0;
    auto x = *cura.begin();
    if (x.second < 0) return 0;
    else {
        sub(cura, x.first);
        // cura.erase(cura.begin());
        // if (-- x.second) cura.insert(x);
    }
    int S = status;
    while (S) {
        int ctz = __builtin_ctz(S);
        if (x.first + l[ctz] <= N + 1) {
            add(cura, x.first + l[ctz]);
            if (dfs(cura, status ^ 1 << ctz, tot - 1)) return f[tmp] = 1;
            sub(cura, x.first + l[ctz]);
        }
        S ^= (1 << ctz);
    }
    add(cura, x.first);
    return 0;
}

int main() {
    scanf("%d%d", &N, &M);
    ll sumC = 0;
    for (int i = 1; i <= N; i ++) {
        scanf("%d", c + i);
        sumC += c[i];
        if (c[i] != c[i - 1]) a[i] = c[i] - c[i - 1];
    }
    if (c[N]) a[N + 1] = -c[N];
    for (int i = 0; i < M; i ++) {
        scanf("%d%d", l + i, cost + i);
    }
    int ans = 0;
    for (int s = 1; s < (1 << M); s ++) {
        int ctz = __builtin_ctz(s);
        totlen[s] = totlen[s ^ (1 << ctz)] + l[ctz];
        totcost[s] = totcost[s ^ (1 << ctz)] + cost[ctz];
        if (sumC == totlen[s]) {
            candidate.insert(make_pair(-totcost[s], s));
        }
    }
    for (auto x : candidate) {
        if (dfs(a, x.second, __builtin_popcount(x.second))) {
            ans = -x.first; break;
        }
    }
    printf("%d\n", ans);
    return 0;
}
Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 4152kb

input:

2 2
1 2
1 5
2 5

output:

10

result:

ok single line: '10'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

2 2
1 2
2 5
1 5

output:

10

result:

ok single line: '10'

Test #3:

score: 0
Accepted
time: 0ms
memory: 4144kb

input:

3 4
2 1 2
3 2
1 1
1 2
1 3

output:

7

result:

ok single line: '7'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

1 5
2
1 2
1 5
1 3
1 5
1 3

output:

10

result:

ok single line: '10'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3848kb

input:

1 5
1
1 2
1 1
1 2
1 5
1 2

output:

5

result:

ok single line: '5'

Test #6:

score: 0
Accepted
time: 0ms
memory: 4140kb

input:

1 7
0
1 5
1 5
1 5
1 2
1 5
1 3
1 6

output:

0

result:

ok single line: '0'

Test #7:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

3 6
2 1 1
2 1
3 5
2 3
3 3
2 4
3 3

output:

0

result:

ok single line: '0'

Test #8:

score: 0
Accepted
time: 0ms
memory: 3800kb

input:

2 5
1 1
1 5
2 4
1 4
2 2
1 1

output:

9

result:

ok single line: '9'

Test #9:

score: 0
Accepted
time: 0ms
memory: 4140kb

input:

1 2
1
1 5
1 4

output:

5

result:

ok single line: '5'

Test #10:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

2 4
0 1
1 6
2 2
2 5
2 5

output:

6

result:

ok single line: '6'

Test #11:

score: 0
Accepted
time: 0ms
memory: 3932kb

input:

3 5
0 0 0
3 2
3 1
3 1
1 3
1 5

output:

0

result:

ok single line: '0'

Test #12:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

3 6
0 1 0
3 3
1 3
1 2
1 2
1 3
3 2

output:

3

result:

ok single line: '3'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

2 7
2 0
2 2
1 6
2 4
1 6
1 6
1 2
2 6

output:

12

result:

ok single line: '12'

Test #14:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

2 6
0 3
2 3
2 16
1 12
2 10
1 16
1 8

output:

36

result:

ok single line: '36'

Test #15:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

3 13
4 0 3
1 19
3 12
1 13
2 19
1 18
3 4
3 10
1 13
1 19
2 10
3 15
1 20
3 5

output:

0

result:

ok single line: '0'

Test #16:

score: 0
Accepted
time: 0ms
memory: 3884kb

input:

4 2
3 2 4 0
4 10
3 14

output:

0

result:

ok single line: '0'

Test #17:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

4 6
3 1 3 1
4 9
4 18
1 15
3 15
2 6
1 19

output:

0

result:

ok single line: '0'

Test #18:

score: 0
Accepted
time: 0ms
memory: 4064kb

input:

3 14
3 0 1
3 16
3 7
3 9
3 11
3 15
3 15
2 16
1 1
2 18
3 16
3 13
3 11
1 4
3 4

output:

0

result:

ok single line: '0'

Test #19:

score: 0
Accepted
time: 0ms
memory: 4152kb

input:

2 9
3 1
1 18
1 15
1 15
1 4
2 17
1 4
2 1
1 15
2 16

output:

63

result:

ok single line: '63'

Test #20:

score: 0
Accepted
time: 0ms
memory: 4144kb

input:

1 9
2
1 5
1 11
1 20
1 10
1 10
1 11
1 9
1 8
1 19

output:

39

result:

ok single line: '39'

Test #21:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

4 7
1 0 0 2
4 15
4 18
2 8
2 2
2 6
3 11
3 11

output:

0

result:

ok single line: '0'

Test #22:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

2 2
2 3
2 6
1 1

output:

0

result:

ok single line: '0'

Test #23:

score: 0
Accepted
time: 1ms
memory: 4428kb

input:

1 15
4
1 2
1 12
1 7
1 5
1 13
1 10
1 7
1 5
1 1
1 18
1 9
1 5
1 17
1 9
1 6

output:

60

result:

ok single line: '60'

Test #24:

score: 0
Accepted
time: 1ms
memory: 4032kb

input:

4 14
4 4 0 4
4 20
2 13
2 4
1 20
3 4
4 6
3 9
2 8
1 19
3 14
2 18
2 18
1 15
1 19

output:

130

result:

ok single line: '130'

Test #25:

score: 0
Accepted
time: 0ms
memory: 4148kb

input:

2 5
0 0
1 16
2 20
1 16
2 3
2 11

output:

0

result:

ok single line: '0'

Test #26:

score: 0
Accepted
time: 0ms
memory: 3852kb

input:

2 8
4 0
2 7
1 20
2 10
2 17
1 17
1 17
1 15
2 20

output:

69

result:

ok single line: '69'

Test #27:

score: 0
Accepted
time: 0ms
memory: 3792kb

input:

4 12
4 1 2 1
1 17
3 18
4 19
1 7
4 19
3 19
1 6
1 18
2 3
3 17
1 9
3 4

output:

76

result:

ok single line: '76'

Test #28:

score: 0
Accepted
time: 0ms
memory: 3984kb

input:

1 14
2
1 13
1 15
1 17
1 9
1 1
1 15
1 9
1 18
1 13
1 4
1 20
1 11
1 18
1 18

output:

38

result:

ok single line: '38'

Test #29:

score: 0
Accepted
time: 0ms
memory: 3916kb

input:

4 8
4 0 4 3
4 16
4 13
1 6
1 12
4 10
3 19
4 16
3 6

output:

0

result:

ok single line: '0'

Test #30:

score: 0
Accepted
time: 0ms
memory: 4120kb

input:

2 6
0 3
2 8
2 2
2 13
2 15
1 19
1 9

output:

0

result:

ok single line: '0'

Test #31:

score: 0
Accepted
time: 0ms
memory: 3984kb

input:

5 13
3 1 4 1 0
2 5
3 1
5 12
5 9
4 13
5 1
2 6
3 6
2 8
2 15
4 5
1 8
3 12

output:

0

result:

ok single line: '0'

Test #32:

score: 0
Accepted
time: 0ms
memory: 3868kb

input:

4 9
3 2 4 3
4 14
4 10
4 11
1 14
4 8
3 17
4 12
3 9
3 9

output:

0

result:

ok single line: '0'

Test #33:

score: 0
Accepted
time: 0ms
memory: 4100kb

input:

2 15
1 0
2 4
2 17
2 4
2 4
1 7
2 10
1 9
1 8
2 20
1 1
2 9
1 6
1 17
2 15
2 4

output:

17

result:

ok single line: '17'

Test #34:

score: 0
Accepted
time: 21ms
memory: 9732kb

input:

100000 16
14443 55420 45271 59540 17506 45279 49513 7118 52062 23449 62240 81654 47001 82704 81577 90132 54258 108 41873 82899 73494 8454 43677 34844 92634 48581 7109 1530 89551 44235 82584 49481 69802 20448 78330 70257 67421 71672 45574 96521 64524 43129 33599 37095 57123 69486 6307 74558 9699 1494...

output:

0

result:

ok single line: '0'

Test #35:

score: 0
Accepted
time: 17ms
memory: 9372kb

input:

100000 16
34132 25992 9700 90156 37155 60117 91934 19647 21415 98451 85854 51164 39403 80732 68947 34179 10383 43258 89748 79195 49897 93439 99072 84649 3567 21423 59855 21175 31153 43214 81799 35873 50482 75563 11972 64395 85329 14962 60476 19670 77437 86503 26544 26505 97938 98378 18263 91959 1093...

output:

0

result:

ok single line: '0'

Test #36:

score: 0
Accepted
time: 13ms
memory: 9444kb

input:

100000 16
49337 49202 98923 88065 90751 42204 62277 46326 94035 61743 11491 18245 67892 65458 14981 83057 23342 60570 53140 91901 61983 77500 5364 30637 59391 20822 7992 68913 25963 56681 75276 54999 95145 6833 64626 37669 49186 62351 47235 26430 2217 29040 8409 79387 68362 31357 19385 15922 24388 2...

output:

0

result:

ok single line: '0'

Test #37:

score: 0
Accepted
time: 21ms
memory: 9440kb

input:

100000 16
100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 100000 0 10...

output:

0

result:

ok single line: '0'

Test #38:

score: 0
Accepted
time: 0ms
memory: 4364kb

input:

1 16
16
1 813962
1 261224
1 292357
1 26638
1 342500
1 220901
1 329926
1 283296
1 444155
1 512333
1 670909
1 546612
1 398289
1 243805
1 299229
1 241034

output:

5927170

result:

ok single line: '5927170'

Test #39:

score: 0
Accepted
time: 1ms
memory: 4372kb

input:

1 16
16
1 559357
1 192158
1 650434
1 120360
1 505929
1 98087
1 596733
1 565702
1 460486
1 797314
1 77027
1 569947
1 799522
1 791499
1 794206
1 658821

output:

8237582

result:

ok single line: '8237582'

Test #40:

score: 0
Accepted
time: 1ms
memory: 4428kb

input:

12 16
1 1 1 1 1 1 1 1 1 1 1 1
12 3
10 2
3 9
9 2
3 9
3 10
7 1
8 2
2 4
9 5
12 11
7 3
12 4
5 6
6 7
12 6

output:

26

result:

ok single line: '26'

Test #41:

score: 0
Accepted
time: 1ms
memory: 4656kb

input:

12 16
1 1 1 1 1 1 1 1 1 1 1 1
10 9
7 8
4 3
7 7
3 6
9 2
1 7
1 10
12 10
2 4
3 10
2 3
4 9
8 6
8 11
9 7

output:

42

result:

ok single line: '42'

Test #42:

score: 0
Accepted
time: 0ms
memory: 4332kb

input:

10 16
1 1 1 1 1 1 1 1 1 1
3 8
3 9
8 11
3 7
2 10
6 3
10 3
9 4
8 11
8 6
10 7
8 2
5 10
1 3
7 2
10 10

output:

29

result:

ok single line: '29'

Test #43:

score: 0
Accepted
time: 1ms
memory: 4364kb

input:

18 16
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
9 9
1 4
4 3
6 6
16 3
13 6
2 3
7 5
8 4
12 4
12 6
11 3
11 3
16 1
5 4
10 2

output:

22

result:

ok single line: '22'

Test #44:

score: 0
Accepted
time: 1ms
memory: 4364kb

input:

20 16
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
11 1
3 1
4 3
14 5
7 6
10 4
11 1
17 2
8 8
3 9
8 9
5 6
10 11
17 8
8 6
3 7

output:

30

result:

ok single line: '30'

Test #45:

score: 0
Accepted
time: 1ms
memory: 4360kb

input:

7 16
1 1 1 1 1 1 1
4 9
6 11
4 6
3 11
5 1
5 3
7 9
6 8
2 10
5 5
7 1
5 4
2 10
5 9
5 7
5 11

output:

31

result:

ok single line: '31'

Test #46:

score: 0
Accepted
time: 1ms
memory: 4364kb

input:

10 16
1 1 1 1 1 1 1 1 1 1
6 5
1 11
3 1
3 10
10 9
10 11
5 9
8 7
8 2
4 1
4 11
10 9
9 5
8 11
6 1
8 1

output:

31

result:

ok single line: '31'

Test #47:

score: 0
Accepted
time: 1ms
memory: 4296kb

input:

20 16
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1 2
9 7
20 8
1 3
10 7
18 9
10 9
16 7
20 9
12 11
3 8
4 6
3 2
2 9
13 5
17 2

output:

35

result:

ok single line: '35'

Test #48:

score: 0
Accepted
time: 1ms
memory: 4428kb

input:

2 16
1 1
1 11
2 7
1 8
1 8
2 4
1 3
2 8
2 7
1 4
1 2
2 11
1 2
2 11
1 11
1 5
1 11

output:

22

result:

ok single line: '22'

Test #49:

score: 0
Accepted
time: 1ms
memory: 4360kb

input:

4 16
1 1 1 1
1 6
3 4
4 8
2 3
2 11
4 3
4 9
1 6
3 5
3 10
2 1
1 4
3 4
1 1
3 2
3 5

output:

23

result:

ok single line: '23'

Test #50:

score: 0
Accepted
time: 1ms
memory: 4400kb

input:

6 16
1 1 1 1 1 1
2 10
5 6
2 7
5 10
3 1
5 7
1 2
5 4
3 9
1 9
1 1
5 1
4 7
3 5
5 9
1 8

output:

34

result:

ok single line: '34'

Test #51:

score: 0
Accepted
time: 1ms
memory: 4400kb

input:

20 16
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
11 10
17 11
3 11
2 4
6 4
13 9
11 3
4 11
16 8
4 4
20 1
8 9
2 6
12 11
19 6
19 5

output:

59

result:

ok single line: '59'

Test #52:

score: 0
Accepted
time: 2ms
memory: 4972kb

input:

18 16
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
9 11
13 7
4 1
8 1
10 9
13 9
14 2
7 8
14 6
17 5
9 6
17 2
12 6
8 7
3 8
3 2

output:

50

result:

ok single line: '50'

Test #53:

score: 0
Accepted
time: 1ms
memory: 4472kb

input:

10 16
4 4 4 4 4 4 4 4 4 4
10 11
10 2
1 5
1 5
9 11
9 4
9 7
5 9
1 8
3 11
6 6
5 5
2 3
6 1
8 2
7 11

output:

74

result:

ok single line: '74'

Test #54:

score: 0
Accepted
time: 96ms
memory: 13564kb

input:

15 16
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
9 2
2 6
11 8
1 4
13 11
1 3
14 4
13 3
7 8
6 6
6 6
13 11
5 1
6 5
4 4
8 9

output:

72

result:

ok single line: '72'

Test #55:

score: -100
Time Limit Exceeded

input:

20 16
6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6
2 9
8 11
10 6
13 4
7 3
16 5
19 8
14 2
3 6
16 8
2 6
20 9
16 5
10 5
12 9
8 4

output:

result:
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