Task: | Käännöt |
Sender: | |
Submission time: | 2015-11-07 18:08:28 +0200 |
Language: | C++ |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 15 |
#2 | ACCEPTED | 41 |
#3 | ACCEPTED | 44 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.06 s | 1 | details |
#2 | ACCEPTED | 0.06 s | 1 | details |
#3 | ACCEPTED | 0.05 s | 1 | details |
#4 | ACCEPTED | 0.06 s | 1 | details |
#5 | ACCEPTED | 0.05 s | 1 | details |
#6 | ACCEPTED | 0.06 s | 2 | details |
#7 | ACCEPTED | 0.05 s | 2 | details |
#8 | ACCEPTED | 0.06 s | 2 | details |
#9 | ACCEPTED | 0.05 s | 2 | details |
#10 | ACCEPTED | 0.05 s | 2 | details |
#11 | ACCEPTED | 0.07 s | 3 | details |
#12 | ACCEPTED | 0.07 s | 3 | details |
#13 | ACCEPTED | 0.06 s | 3 | details |
#14 | ACCEPTED | 0.07 s | 3 | details |
#15 | ACCEPTED | 0.05 s | 3 | details |
Code
#include <iostream>#define ll long longconst ll M=1e9+7;using namespace std;string s;ll hlp[101010][10];ll cnt[10];int main() {ios_base::sync_with_stdio(0);cin.tie(0);cin>>s;int n=s.size();for (int i=0;i<n;i++) {ll dig=s[i]-'0';cnt[dig]++;}for (int i=0;2*i<n;i++) {int k=n-i-1;for (int j=1;j<10;j++) {hlp[i][j]+=cnt[j];if (i!=k) hlp[k][j]+=cnt[j];if (i>0) {hlp[i][j]+=hlp[i-1][j];if (i!=k) hlp[k][j]+=hlp[k+1][j];}hlp[i][j]%=M;hlp[k][j]%=M;}cnt[s[i]-'0']--;cnt[s[k]-'0']--;}/* for (int i=0;i<n;i++) {for (int j=1;j<10;j++) cout<<hlp[i][j]<<" ";cout<<endl;}*/ll res=0;ll a=1;for (ll i=n-1;i>=0;i--) {for (int j=1;j<10;j++) {ll tmp=hlp[i][j]*j;tmp%=M;tmp*=a;tmp%=M;res+=tmp;res%=M;}ll tmp=((ll)(n-i))*(n-i-1)/2;tmp+=i*(i+1)/2;tmp%=M;tmp*=s[i]-'0';tmp*=a;res+=tmp;res%=M;a*=10;a%=M;}cout<<res<<"\n";}
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
825864589849478186996872119675... |
correct output |
---|
457966376 |
user output |
---|
457966376 |
Test 2
Group: 1
Verdict: ACCEPTED
input |
---|
191658935877461356157657491987... |
correct output |
---|
176954270 |
user output |
---|
176954270 |
Test 3
Group: 1
Verdict: ACCEPTED
input |
---|
348988594526165698179722696175... |
correct output |
---|
338693404 |
user output |
---|
338693404 |
Test 4
Group: 1
Verdict: ACCEPTED
input |
---|
959161872742625799336943933597... |
correct output |
---|
585928712 |
user output |
---|
585928712 |
Test 5
Group: 1
Verdict: ACCEPTED
input |
---|
925429363246698689162197257943... |
correct output |
---|
517617697 |
user output |
---|
517617697 |
Test 6
Group: 2
Verdict: ACCEPTED
input |
---|
972591294933975999938266397628... |
correct output |
---|
667001154 |
user output |
---|
667001154 |
Test 7
Group: 2
Verdict: ACCEPTED
input |
---|
275688881195265674233697529772... |
correct output |
---|
213272855 |
user output |
---|
213272855 |
Test 8
Group: 2
Verdict: ACCEPTED
input |
---|
654678934762543351831648468742... |
correct output |
---|
465477034 |
user output |
---|
465477034 |
Test 9
Group: 2
Verdict: ACCEPTED
input |
---|
852895263384279396767531876338... |
correct output |
---|
225052500 |
user output |
---|
225052500 |
Test 10
Group: 2
Verdict: ACCEPTED
input |
---|
257723665884149498894428498943... |
correct output |
---|
169577498 |
user output |
---|
169577498 |
Test 11
Group: 3
Verdict: ACCEPTED
input |
---|
965391619923528543348143963721... |
correct output |
---|
458795777 |
user output |
---|
458795777 |
Test 12
Group: 3
Verdict: ACCEPTED
input |
---|
934996116481518541954869782274... |
correct output |
---|
38884659 |
user output |
---|
38884659 |
Test 13
Group: 3
Verdict: ACCEPTED
input |
---|
356521595763548549682719476371... |
correct output |
---|
335143519 |
user output |
---|
335143519 |
Test 14
Group: 3
Verdict: ACCEPTED
input |
---|
691571977153731228387836644955... |
correct output |
---|
504860195 |
user output |
---|
504860195 |
Test 15
Group: 3
Verdict: ACCEPTED
input |
---|
882254176987218851832315176774... |
correct output |
---|
32749477 |
user output |
---|
32749477 |