Task: | Numerot |
Sender: | Sisuaski |
Submission time: | 2020-10-17 09:46:57 +0300 |
Language: | C++ (C++17) |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 12 |
#2 | ACCEPTED | 13 |
#3 | ACCEPTED | 75 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
#2 | ACCEPTED | 0.05 s | 2, 3 | details |
#3 | ACCEPTED | 0.72 s | 3 | details |
Code
#include <iostream>#include <unordered_map>using namespace std;typedef unsigned long long ull;typedef pair<ull, int> P;unordered_map<ull, P> M[10];P f(unsigned k, ull n) {if (n==0 && k==0) return {0, 0};if (n<=k) return {1, k-n};if (n<10) return {1, 0};auto& dp = M[k][n];if (dp.first > 0) return dp;ull g=1;for(; g<=n/10; g*=10);ull res=0;while(1) {unsigned a = n/g;P p = f(max(k,a), n%g);res += p.first;if (a==0) return dp = {res, p.second};n = a*g - p.second;if (p.second == 0) {n -= max(a,k);res++;}}}int main() {int t;cin>>t;while(t--){ull x;cin>>x;ull low=x-1, hi=9*x;while(hi-low>1) {ull mid = low+(hi-low)/2;if (f(0,mid).first < x) low=mid;else hi=mid;}cout<<hi<<'\n';}}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
1000 1 2 3 4 ... |
correct output |
---|
1 10 11 20 22 ... |
user output |
---|
1 10 11 20 22 ... Truncated |
Test 2
Group: 2, 3
Verdict: ACCEPTED
input |
---|
1000 224995 413660 249827 2125 ... |
correct output |
---|
1731724 3216040 1940719 14585 532612 ... |
user output |
---|
1731724 3216040 1940719 14585 532612 ... Truncated |
Test 3
Group: 3
Verdict: ACCEPTED
input |
---|
1000 627887018110416188 785474884983906653 653772166720939773 784335285960673683 ... |
correct output |
---|
5530371754830260284 6918696171534226533 5757755627065159149 6908439780325129803 3223801064342340738 ... |
user output |
---|
5530371754830260284 6918696171534226533 5757755627065159149 6908439780325129803 3223801064 ... Truncated |