QOJ.ac
QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#360830 | #7774. 基础寄术练习题 | NATURAL6 | 25 | 1ms | 3848kb | C++14 | 713b | 2024-03-22 11:01:17 | 2024-03-22 11:01:17 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
inline int qread()
{
int a=0,f=1;char ch=getchar();
while(!isdigit(ch)){if(ch=='-')f=-1;ch=getchar();}
while(isdigit(ch)){(a*=10)+=(ch^48);ch=getchar();}
return a*f;
}
int n,m,k,mod,inv[10010];
inline void fmod(int &x)
{
if(x>=mod)x-=mod;
return ;
}
namespace SOLVE1
{
int f[110];
void main()
{
f[0]=1;
for(int i=1;i<=m;++i)for(int j=n;j;--j)f[j]=(1ll*f[j]+1ll*f[j-1]*inv[i])%mod;
printf("%d\n",f[n]);
return ;
}
}
int main()
{
n=qread(),m=qread(),k=qread(),mod=qread();
inv[0]=inv[1]=1;
for(int i=2;i<=n*m;++i)inv[i]=1ll*inv[mod%i]*(mod-mod/i)%mod;
if(k==1)
{
SOLVE1::main();
return 0;
}
return 0;
}
详细
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 10
Accepted
time: 1ms
memory: 3848kb
input:
9 16 1 327134593
output:
162102742
result:
ok single line: '162102742'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
11 18 1 834359503
output:
256188485
result:
ok single line: '256188485'
Test #3:
score: 0
Accepted
time: 1ms
memory: 3792kb
input:
18 18 1 614802701
output:
552168146
result:
ok single line: '552168146'
Test #4:
score: -10
Wrong Answer
time: 0ms
memory: 3596kb
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: 1ms
memory: 3836kb
input:
60 98 1 715015339
output:
690737273
result:
ok single line: '690737273'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
96 97 1 507892589
output:
481151247
result:
ok single line: '481151247'
Test #8:
score: 0
Accepted
time: 1ms
memory: 3816kb
input:
90 95 1 621080027
output:
255353202
result:
ok single line: '255353202'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3768kb
input:
85 94 1 297115421
output:
122254364
result:
ok single line: '122254364'
Test #10:
score: 0
Accepted
time: 1ms
memory: 3776kb
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: 3536kb
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: 1ms
memory: 3484kb
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: 3600kb
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: 1ms
memory: 3544kb
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: 3520kb
input:
96 96 2 453296971
output:
result:
wrong answer 1st lines differ - expected: '222864385', found: ''