QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#713396 | #7996. 报数 IV | sdmrlh | WA | 200ms | 74028kb | C++14 | 1.5kb | 2024-11-05 19:13:47 | 2024-11-05 19:13:49 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define sf(x) scanf("%lld",&x)
#define sff(x,y) scanf("%lld%lld",&x,&y)
#define endl '\n'
#define IOS ios::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define pf(x) printf("%lld",x)
#define pii pair<int,int>
#define s second
#define int long long
//
//
const int mod = 1e9+7;
string ss;
map<int,int> mp[5];
int op[5]={0,9000,35,11,9};
void caozuo(int u)
{
if(!mp[u].size()) return ;
for(int i=1;i<=op[u-1];i++)
{
int now =i;
int sum=0;
while(now)
{
sum+=now%10;
now/=10;
}
if(mp[u].count(sum)) mp[u-1][i]=1;
}
}
int f[1010][9010];
void init()
{
f[0][0]=1;
for(int i=1;i<=9;i++) f[1][i]=1;
for(int i=2;i<=1000;i++)
for(int j=1;j<=9000;j++){
for(int k=0;k<=9;k++)
if(j>=k) f[i][j]=(f[i][j]+f[i-1][j-k])%mod;
f[i][j]=(f[i-1][j]+f[i][j])%mod;
f[i][0]=1;
}
}
int dp(int x)
{
int last=0,sum=0;
for(int i=0;i<ss.size();i++)
{
int n = ss[i]-'0';
for(int j=0;j<n;j++){
if(x-last-j>=0)
sum=(sum+f[ss.size()-i-1][x-last-j])%mod;
}
last+=n;
if(i==(int)ss.size()-1) if(last==x) sum++;
}
return sum%mod;
}
void solve()
{
for(int i=0;i<=4;i++) mp[i].clear();
int m,k;
cin>>ss>>m>>k;
if(m>4) m=4;
mp[m][k]=1;
for(int i=4;i>=2;i--)
caozuo(i);
int res=0;
for(auto [x,y]:mp[1])
res=(res+dp(x))%mod;
cout<<res<<endl;
}
signed main()
{
init();
IOS;
int _=1;
cin>>_;
while(_--)
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 200ms
memory: 73976kb
input:
2 114 1 5 514 2 10
output:
8 10
result:
ok 2 lines
Test #2:
score: -100
Wrong Answer
time: 196ms
memory: 74028kb
input:
5 114 1 5 514 2 10 114514 3 7 1919810 2 13 1145141919810114514191981011451419198101145141919810114514191981011451419198101145141919810114514191981011451419198101145141919810 1 79
output:
8 10 16663 504 869252235
result:
wrong answer 3rd lines differ - expected: '12724', found: '16663'