#include using namespace std; #define rep(i,n) for (int i=0;i<(int)(n);i++) #define all(v) v.begin(),v.end() using ll=long long; using pll=pair; using tll=tuple; const ll INF=(1ll<<60); template void chmin(T &a,T b){ if(a>b){ a=b; } } template void chmax(T &a,T b){ if(a> c; int x=0,n=1; while(x<(int)c.size()){ string s=ten_to_two(n); x+=s.size(); n++; } n--; string v[n]; map mp; rep(i,n){ v[i]=ten_to_two(i+1); mp[v[i]]=i+1; } int max_score=0; int p=0; rep(i,n){ rep(j,v[i].size()){ if(v[i][j]==c[p]) max_score+=100; p++; } } int now_score=0; while(true){ int a=mt()%n,b=mt()%n; swap(v[a],v[b]); now_score=0; p=0; rep(i,n){ rep(j,v[i].size()){ if(v[i][j]==c[p]) now_score+=100; p++; } } auto now=chrono::system_clock::now(); double sec=chrono::duration_cast(now-start).count(); double temp=100.0*8-100.0*8*sec/7950; double prob=exp((double)(now_score-max_score)/temp); double rand_double=(double)mt()/(double)(mt19937::max()); if(rand_double