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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 |
---|---|---|---|---|---|---|---|---|---|
#611523 | #7006. Rikka with Subsequences | KFC | AC ✓ | 682ms | 4324kb | C++98 | 889b | 2024-10-04 21:20:07 | 2024-10-04 21:20:08 |
Judging History
answer
// Hydro submission #66ffeb8555b5e82bc017aaa7@1728048006090
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=205,p=1e9+7;
char c[N][N];
int t,n,a[N],f[N][N],sum[N][N];
signed main() {
cin>>t;
while(t--) {
cin>>n;
for(int i=1; i<=n; i++) cin>>a[i];
for(int i=1; i<=n; i++) for(int j=1; j<=n; j++) cin>>c[i][j];
memset(f,0,sizeof(f));
int ans=0;
for(int i=1; i<=n; i++) {
for(int j=1; j<=n; j++) {
for(int k=1; k<=n; k++) {
if(c[a[j]][a[i]]=='1') sum[j+1][k+1]=f[j][k];
else sum[j+1][k+1]=0;
sum[j+1][k+1]=(sum[j+1][k+1]+sum[j][k+1]+sum[j+1][k]-sum[j][k]+p)%p;
}
}
for(int j=1; j<=n; j++) {
for(int k=1; k<=n; k++) {
if(a[i]==a[j]&&a[i]==a[k]) {
ans=(ans+sum[j][k]+1)%p;
f[j][k]=(f[j][k]+sum[j][k]+1)%p;
}
}
}
}
cout<<ans<<endl;
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3968kb
input:
1 4 1 2 1 2 1111 1111 1111 1111
output:
51
result:
ok single line: '51'
Test #2:
score: 0
Accepted
time: 682ms
memory: 4324kb
input:
20 195 4 5 4 3 2 4 3 5 1 5 4 3 4 3 1 5 4 4 5 2 2 2 2 4 1 5 3 4 1 1 1 2 1 1 5 5 4 5 4 5 5 4 5 2 1 2 5 4 5 1 1 3 1 2 2 3 3 5 2 3 3 1 4 4 2 4 2 4 3 4 1 1 1 4 3 5 1 1 3 2 2 5 1 3 1 5 1 5 5 3 5 3 3 2 5 1 3 2 4 1 5 5 1 3 3 2 4 2 3 3 3 4 1 3 3 3 5 5 1 1 4 2 5 1 2 5 4 3 5 1 5 5 5 4 2 2 5 3 2 3 4 1 3 2 1 5 3...
output:
806298135 541285042 48173297 222851978 875793336 100057791 156057874 129923599 551277543 874547790 544405786 653241411 521317929 370918040 803940504 969296122 806596012 469227084 338962879 194278629
result:
ok 20 lines