QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#111459 | #6522. Digit Mode | Tobo | AC ✓ | 292ms | 3588kb | C++20 | 2.5kb | 2023-06-07 10:19:19 | 2023-06-07 10:19:21 |
Judging History
answer
#include<bits/stdc++.h>
#define debug(x) cerr<<#x<<" = "<<(x)<<endl
using namespace std;
typedef long long ll;
const int MAXN=(int)1e5+5;
const int MOD=(int)1e9+7;
string s;
int a[55],n;
ll comb[55][55];
int dp[55],tmp[55];
int ti[10];
ll ans;
int tbl[]={0,45,615,6570,63657,597600,5689830,56017680,564676515,706253855,53001921,116607642,807754616,555253686,93648429,358785453,214810078,642432049,158594480,599067452,311948107,103373398,86116420,524897403,907977314,138576683,44283636,241998094,583822532,537947530,636674358,585550280,414900917,756538572,442412153,703712200,837470764,311869987,733194120,596841112,387537647,769854984,977490984,112225690,117109110,439421821,374895741,471922812,10030060,835556902,25251932};
void dfs(int pos,int flag){
if(pos==0){
int x=0;
for(int i=1;i<=9;i++)if(ti[i]>=ti[x])x=i;
ans+=x;
return;
}
if(!flag){
int ma=0,N=pos;
for(int i=0;i<=9;i++)ma=max(ma,ti[i]),N+=ti[i];
for(int x=1;x<=9;x++){
for(int y=0;y<=pos;y++){
if(ti[x]+y<ma)continue;
if((ti[x]+y)*(x+1)+(ti[x]+y-1)*(9-x)<N)continue;
fill(dp,dp+1+pos,0);
dp[y]=comb[pos][y];
for(int i=0;i<=9;i++){
if(i==x)continue;
fill(tmp,tmp+1+pos,0);
bool flag=1;
for(int j=0;j+y<=pos;j++){
int de=j+ti[i]-(y+ti[x]);
if(de>0||(x<i&&de==0))break;
for(int k=j;k<=pos;k++){
tmp[k]=(tmp[k]+dp[k-j]*comb[pos-k+j][j])%MOD;
}
}
swap(tmp,dp);
}
ans+=(ll)x*dp[pos];
}
}
ans%=MOD;
return;
}
int ed=flag?a[pos]:9;
for(int i=0;i<=ed;i++){
ti[i]++;
dfs(pos-1,flag&&i==ed);
ti[i]--;
}
}
void solve(){
ans=0;
cin>>s;
n=s.size();
ans=tbl[n-1];
for(int i=1;i<=n;i++)a[i]=s[n-i]-'0';
for(int i=1;i<=a[n];i++){
ti[i]++;
dfs(n-1,i==a[n]);
ti[i]--;
}
cout<<ans<<"\n";
}
int main()
{
for(int i=0;i<=50;i++){
comb[i][0]=1;
for(int j=1;j<=i;j++){
comb[i][j]=(comb[i-1][j-1]+comb[i-1][j])%MOD;
}
}
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int T;
cin>>T;
while(T--){
solve();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3348kb
input:
5 9 99 999 99999 999999
output:
45 615 6570 597600 5689830
result:
ok 5 number(s): "45 615 6570 597600 5689830"
Test #2:
score: 0
Accepted
time: 2ms
memory: 3340kb
input:
34 7 48 8 76 1 97 7 5 7 7 2 89 9 4 84 46 6 73 86 78 5 3 8 9 31 24 78 7 11 45 2 65 88 6
output:
28 236 36 420 1 597 28 15 28 28 3 525 45 10 484 221 21 399 500 435 15 6 36 45 145 104 435 28 47 215 3 341 516 21
result:
ok 34 numbers
Test #3:
score: 0
Accepted
time: 0ms
memory: 3444kb
input:
16 935 888 429 370 499 881 285 162 178 948 205 858 573 249 773 615
output:
6009 5618 2456 2078 2905 5562 1603 887 993 6121 1174 5378 3333 1374 4724 3631
result:
ok 16 numbers
Test #4:
score: 0
Accepted
time: 2ms
memory: 3436kb
input:
12 1242 9985 6469 9310 4191 9497 3166 3495 9711 9698 4137 2257
output:
7292 63531 37910 58047 23987 59479 18076 19675 61184 61086 23672 12913
result:
ok 12 numbers
Test #5:
score: 0
Accepted
time: 2ms
memory: 3484kb
input:
10 61195 72739 10164 79164 57851 12326 29132 55992 67377 13873
output:
337575 408170 63792 450686 316513 70493 157773 305011 374163 77954
result:
ok 10 numbers
Test #6:
score: 0
Accepted
time: 3ms
memory: 3460kb
input:
8 529983 127270 421121 291729 461233 695056 365028 271160
output:
2744573 687141 2160067 1500426 2359204 3705475 1851172 1381981
result:
ok 8 numbers
Test #7:
score: 0
Accepted
time: 3ms
memory: 3440kb
input:
7 7934351 8474057 1287369 5845624 7796773 5805755 7349121
output:
42465725 45668947 6716401 30094426 41554096 29861098 38756757
result:
ok 7 numbers
Test #8:
score: 0
Accepted
time: 8ms
memory: 3440kb
input:
3 5014252832385738 8762796162648653 919997886706385
output:
892033338 297722019 462512414
result:
ok 3 number(s): "892033338 297722019 462512414"
Test #9:
score: 0
Accepted
time: 30ms
memory: 3444kb
input:
2 775701797726112292362823101 75927988177061355614
output:
371275551 566830847
result:
ok 2 number(s): "371275551 566830847"
Test #10:
score: 0
Accepted
time: 199ms
memory: 3440kb
input:
1 65760982925996012426370962570581226245366145016666
output:
661063035
result:
ok 1 number(s): "661063035"
Test #11:
score: 0
Accepted
time: 208ms
memory: 3380kb
input:
1 62597468169905757754175023836706426691470692832490
output:
9983261
result:
ok 1 number(s): "9983261"
Test #12:
score: 0
Accepted
time: 214ms
memory: 3444kb
input:
1 78912847369504885593964702297317051208901751786824
output:
817123221
result:
ok 1 number(s): "817123221"
Test #13:
score: 0
Accepted
time: 282ms
memory: 3440kb
input:
1 99999999999999999999999999999999999999999999999999
output:
25251932
result:
ok 1 number(s): "25251932"
Test #14:
score: 0
Accepted
time: 194ms
memory: 3588kb
input:
1 999999999999999999999999999999999999999999999
output:
439421821
result:
ok 1 number(s): "439421821"
Test #15:
score: 0
Accepted
time: 118ms
memory: 3544kb
input:
1 9999999999999999999999999999999999999999
output:
387537647
result:
ok 1 number(s): "387537647"
Test #16:
score: 0
Accepted
time: 282ms
memory: 3448kb
input:
1 99999999999999999999999998889999898988888889998888
output:
909431898
result:
ok 1 number(s): "909431898"
Test #17:
score: 0
Accepted
time: 282ms
memory: 3440kb
input:
1 99999999999999999999999998989899988889989889999888
output:
289727470
result:
ok 1 number(s): "289727470"
Test #18:
score: 0
Accepted
time: 292ms
memory: 3444kb
input:
1 99999999999999999999999998998988898888898889898999
output:
962896416
result:
ok 1 number(s): "962896416"
Test #19:
score: 0
Accepted
time: 122ms
memory: 3584kb
input:
1 9999999999999999999989988898888989888899
output:
995903330
result:
ok 1 number(s): "995903330"
Test #20:
score: 0
Accepted
time: 120ms
memory: 3436kb
input:
1 9999999999999999999989999889889998998898
output:
385460258
result:
ok 1 number(s): "385460258"
Test #21:
score: 0
Accepted
time: 285ms
memory: 3444kb
input:
1 99999999999999999999999999999999999999999999999999
output:
25251932
result:
ok 1 number(s): "25251932"