| 25657 | 2026-02-23 23:35:14 | 999 | Kicsi billentyűzet | cpp17 | Accepted 100/100 | 120ms | 1524 KiB |
// Source: https://usaco.guide/general/io
#include <bits/stdc++.h>
using namespace std;
int main() {
int t;cin>>t;
while(t--){
string s;cin>>s;
int n=s.size();
int ans=INT_MAX;
vector<int> v(n);
v[0]=s[0]-'0';
for(int i = 1;i<n;i++){
v[i]=v[i-1]+abs((s[i]-'0')-(s[i-1]-'0'));
}
ans=min(v[n-1],ans);
for(int j = 0;j<10;j++){
for(int k = j+1;k<10;k++){
vector<int> V(n);
string ts=s;
for(int i = 0;i<n;i++){
if(s[i]-'0'==j)s[i]=to_string(k)[0];
else if(s[i]-'0'==k)s[i]=to_string(j)[0];
}
for(int i = n-2;i>=0;i--){
V[i]=V[i+1]+abs((s[i]-'0')-(s[i+1]-'0'));
}
//for(int i : V)cout<<i<<' ';
//cout<<endl;
ans=min(ans,V[0]+s[0]-'0');
for(int i = 0;i<n-1;i++){
ans=min(ans,V[i+1]+v[i]+abs((ts[i]-'0')-(s[i+1]-'0')));
}
s=ts;
}
}cout<<ans<<endl;
}
}
| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Accepted | 1ms | 316 KiB | ||||
| 2 | Accepted | 1ms | 316 KiB | ||||
| subtask2 | 30/30 | ||||||
| 3 | Accepted | 2ms | 316 KiB | ||||
| 4 | Accepted | 76ms | 516 KiB | ||||
| 5 | Accepted | 39ms | 316 KiB | ||||
| 6 | Accepted | 41ms | 388 KiB | ||||
| 7 | Accepted | 43ms | 564 KiB | ||||
| 8 | Accepted | 43ms | 1520 KiB | ||||
| 9 | Accepted | 43ms | 1512 KiB | ||||
| subtask3 | 30/30 | ||||||
| 10 | Accepted | 2ms | 316 KiB | ||||
| 11 | Accepted | 2ms | 316 KiB | ||||
| 12 | Accepted | 2ms | 316 KiB | ||||
| 13 | Accepted | 2ms | 608 KiB | ||||
| 14 | Accepted | 1ms | 416 KiB | ||||
| subtask4 | 40/40 | ||||||
| 15 | Accepted | 57ms | 316 KiB | ||||
| 16 | Accepted | 120ms | 316 KiB | ||||
| 17 | Accepted | 45ms | 316 KiB | ||||
| 18 | Accepted | 45ms | 496 KiB | ||||
| 19 | Accepted | 45ms | 760 KiB | ||||
| 20 | Accepted | 45ms | 1012 KiB | ||||
| 21 | Accepted | 46ms | 1452 KiB | ||||
| 22 | Accepted | 46ms | 1524 KiB | ||||
| 23 | Accepted | 46ms | 1516 KiB | ||||