QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#282612 | #7774. 基础寄术练习题 | yyyyxh | 25 | 0ms | 1508kb | C++23 | 564b | 2023-12-12 15:47:27 | 2023-12-12 15:47:27 |
Judging History
answer
#include <cstdio>
using namespace std;
typedef long long ll;
int read(){
char c=getchar();int x=0;
while(c<48||c>57) c=getchar();
do x=(x<<1)+(x<<3)+(c^48),c=getchar();
while(c>=48&&c<=57);
return x;
}
int n,m,k,p;
const int N=103;
int inv[N];
int fs[N],sm;
int main(){
n=read();m=read();k=read();p=read();
inv[1]=1;
for(int i=2;i<=m;++i) inv[i]=(ll)inv[p%i]*(p-p/i)%p;
if(k==1){
fs[0]=1;
for(int i=1;i<=m;++i)
for(int j=i;j;--j) fs[j]=(fs[j]+(ll)fs[j-1]*inv[i])%p;
printf("%d\n",fs[n]);
return 0;
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 10
Accepted
time: 0ms
memory: 1484kb
input:
9 16 1 327134593
output:
162102742
result:
ok single line: '162102742'
Test #2:
score: 0
Accepted
time: 0ms
memory: 1480kb
input:
11 18 1 834359503
output:
256188485
result:
ok single line: '256188485'
Test #3:
score: 0
Accepted
time: 0ms
memory: 1416kb
input:
18 18 1 614802701
output:
552168146
result:
ok single line: '552168146'
Test #4:
score: -10
Wrong Answer
time: 0ms
memory: 1228kb
input:
7 16 2 861918403
output:
result:
wrong answer 1st lines differ - expected: '306693876', found: ''
Subtask #2:
score: 25
Accepted
Test #6:
score: 25
Accepted
time: 0ms
memory: 1468kb
input:
60 98 1 715015339
output:
690737273
result:
ok single line: '690737273'
Test #7:
score: 0
Accepted
time: 0ms
memory: 1508kb
input:
96 97 1 507892589
output:
481151247
result:
ok single line: '481151247'
Test #8:
score: 0
Accepted
time: 0ms
memory: 1484kb
input:
90 95 1 621080027
output:
255353202
result:
ok single line: '255353202'
Test #9:
score: 0
Accepted
time: 0ms
memory: 1472kb
input:
85 94 1 297115421
output:
122254364
result:
ok single line: '122254364'
Test #10:
score: 0
Accepted
time: 0ms
memory: 1488kb
input:
81 91 1 460412027
output:
148037986
result:
ok single line: '148037986'
Subtask #3:
score: 0
Wrong Answer
Test #11:
score: 0
Wrong Answer
time: 0ms
memory: 1304kb
input:
29 29 2 545875273
output:
result:
wrong answer 1st lines differ - expected: '171843225', found: ''
Subtask #4:
score: 0
Wrong Answer
Test #16:
score: 0
Wrong Answer
time: 0ms
memory: 1288kb
input:
27 30 2 360712453
output:
result:
wrong answer 1st lines differ - expected: '80987914', found: ''
Subtask #5:
score: 0
Wrong Answer
Test #21:
score: 0
Wrong Answer
time: 0ms
memory: 1328kb
input:
29 38 2 909155077
output:
result:
wrong answer 1st lines differ - expected: '745973305', found: ''
Subtask #6:
score: 0
Wrong Answer
Test #26:
score: 0
Wrong Answer
time: 0ms
memory: 1236kb
input:
57 66 2 767174999
output:
result:
wrong answer 1st lines differ - expected: '315351738', found: ''
Subtask #7:
score: 0
Wrong Answer
Test #31:
score: 0
Wrong Answer
time: 0ms
memory: 1320kb
input:
96 96 2 453296971
output:
result:
wrong answer 1st lines differ - expected: '222864385', found: ''