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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#191467#3395. 简单计数sunchenyu2012100121ms1984kbC++532b2023-10-08 18:23:092023-10-08 21:46:13

answer

#include<iostream>
#include<cstdio>
#include<algorithm>
#define N 100005
#define mod 1000000007LL
using namespace std;
int n,p[N],q[N];
long long sum=1LL;;
int main(){
    scanf("%d",&n);
    for(int i=1;i<=n;i++)scanf("%d",&p[i]);
    for(int i=1;i<=n;i++)scanf("%d",&q[i]);
    sort(p+1,p+n+1),sort(q+1,q+n+1);
    for(int i=1,j=0;i<=n;i++){
        while(j<n&&p[j+1]<=q[i])j++;
        if(j<i){
            printf("0");return 0;
        }sum=(sum*(1LL*(j-i+1LL)))%mod;
    }printf("%lld",sum);
    return 0;
}

详细

小提示:点击横条可展开更详细的信息

Test #1:

score: 10
Accepted
time: 0ms
memory: 1208kb

input:

7
4 3 1 7 6 2 5
7 4 5 5 7 6 6

output:

576

result:

ok single line: '576'

Test #2:

score: 10
Accepted
time: 0ms
memory: 1188kb

input:

8
1 8 4 6 7 2 3 5
5 8 2 6 6 6 5 5

output:

0

result:

ok single line: '0'

Test #3:

score: 10
Accepted
time: 0ms
memory: 1212kb

input:

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

output:

3456

result:

ok single line: '3456'

Test #4:

score: 10
Accepted
time: 0ms
memory: 1208kb

input:

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

output:

7776

result:

ok single line: '7776'

Test #5:

score: 10
Accepted
time: 0ms
memory: 1212kb

input:

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

output:

249358159

result:

ok single line: '249358159'

Test #6:

score: 10
Accepted
time: 0ms
memory: 1216kb

input:

1000
113 586 790 610 535 443 933 288 701 980 992 625 656 585 803 712 729 679 646 749 667 418 965 412...

output:

581327908

result:

ok single line: '581327908'

Test #7:

score: 10
Accepted
time: 27ms
memory: 1984kb

input:

98798
95389 54170 43879 14722 11897 91651 42220 85671 93899 87543 43914 2310 62911 40262 80849 75940...

output:

1

result:

ok single line: '1'

Test #8:

score: 10
Accepted
time: 31ms
memory: 1984kb

input:

100000
19593 21193 31782 88129 99039 76289 6323 19598 94821 7558 93479 48303 60436 79271 54903 75059...

output:

1

result:

ok single line: '1'

Test #9:

score: 10
Accepted
time: 27ms
memory: 1984kb

input:

99999
75455 28891 5231 77222 45860 70561 38762 57848 30535 67049 91445 10270 84930 33973 77067 81367...

output:

589270557

result:

ok single line: '589270557'

Test #10:

score: 10
Accepted
time: 36ms
memory: 1980kb

input:

100000
35254 88518 967 2893 38942 35271 99946 50225 64870 6504 14839 37391 85806 81742 3061 66708 88...

output:

790195877

result:

ok single line: '790195877'

Extra Test:

score: 0
Extra Test Passed