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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#100271#5681. Caravan Trip PlansNicolas125841AC ✓2ms3532kbC++14912b2023-04-25 14:06:422023-04-25 14:06:44

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-04-25 14:06:44]
  • 评测
  • 测评结果:AC
  • 用时:2ms
  • 内存:3532kb
  • [2023-04-25 14:06:42]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int main(){
    cin.tie(NULL)->sync_with_stdio(false);

    int n, m;
    cin >> n >> m;

    vector<int> oas(n);
    for(int i = 0; i < n; i++)
        cin >> oas[i];

    for(int i = 0; i < m; i++){
        int t, d;
        cin >> t >> d;

        t--;

        vector<vector<ll>> dp(oas[t]+1, vector<ll>(d+1, 0));

        for(int j = 0; j <= d; j++)
            dp[0][j] = 1;

        int ind = 0; 
        for(int j = 1; j <= oas[t]; j++){
            if(j == oas[ind]){
                for(int k = 1; k <= d; k++)
                    dp[j][k] += dp[j-1][k-1] + dp[j][k-1];                

                ++ind;
            }else{
                for(int k = 1; k <= d; k++)
                    dp[j][k] = dp[j-1][k-1];
            }
        }

        cout << dp[oas[t]][d] << "\n";
    }
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3380kb

input:

5 1
2 3 5 7 11
3 7

output:

10

result:

ok single line: '10'

Test #2:

score: 0
Accepted
time: 2ms
memory: 3388kb

input:

8 3
2 3 5 7 11 13 17 19
3 7
5 15
8 24

output:

10
126
1287

result:

ok 3 lines

Test #3:

score: 0
Accepted
time: 0ms
memory: 3508kb

input:

15 5
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47
7 23
10 35
4 14
5 23
15 56

output:

1716
8008
330
6188
1307504

result:

ok 5 lines

Test #4:

score: 0
Accepted
time: 2ms
memory: 3532kb

input:

20 5
3 5 8 10 13 15 18 20 23 25 28 30 33 35 38 40 43 45 48 50
5 23
7 25
13 39
16 50
20 59

output:

3003
3432
27132
5311735
10015005

result:

ok 5 lines

Test #5:

score: 0
Accepted
time: 2ms
memory: 3448kb

input:

20 5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
7 10
3 7
15 20
20 25
11 18

output:

120
35
15504
53130
31824

result:

ok 5 lines

Test #6:

score: 0
Accepted
time: 0ms
memory: 3496kb

input:

20 5
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
5 15
12 29
8 19
15 40
20 50

output:

252
6188
165
3268760
30045015

result:

ok 5 lines

Test #7:

score: 0
Accepted
time: 1ms
memory: 3404kb

input:

20 5
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
20 60
19 60
18 60
17 60
16 60

output:

137846528820
244662670200
353697121050
421171648758
416714805914

result:

ok 5 lines

Test #8:

score: 0
Accepted
time: 2ms
memory: 3492kb

input:

20 5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 40
20 60
19 60
18 60
17 60
16 60

output:

137846528820
2044802197953900
925029565741050
387221678682300
149608375854525

result:

ok 5 lines

Test #9:

score: 0
Accepted
time: 2ms
memory: 3448kb

input:

12 5
2 3 5 7 11 13 17 19 23 29 31 37
2 60
5 60
7 60
9 60
11 60

output:

1711
3162510
99884400
1101716330
2311801440

result:

ok 5 lines

Test #10:

score: 0
Accepted
time: 1ms
memory: 3524kb

input:

17 5
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59
12 60
15 60
17 60
13 60
16 60

output:

834451800
37442160
18
347373600
245157

result:

ok 5 lines

Test #11:

score: 0
Accepted
time: 2ms
memory: 3400kb

input:

20 5
11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49
3 60
5 60
7 60
13 60
16 60

output:

17296
1370754
38320568
5414950296
4059928950

result:

ok 5 lines

Test #12:

score: 0
Accepted
time: 0ms
memory: 3496kb

input:

20 5
11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49
3 20
5 30
7 40
13 50
16 60

output:

56
4368
346104
37442160
4059928950

result:

ok 5 lines