#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; string K; int C[10]; int num[505050][10]; int up[505050]; string incinc(string A) { reverse(A.begin(),A.end()); FORR(r,A) { if(r=='9') r='0'; else { r++; break; } } if(A.back()=='0') A += '1'; reverse(A.begin(),A.end()); return A; } void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>K; K=incinc(K); if(K.size()>N) { cout<<-1<>C[i+1]; FOR(i,N) K[i]-='0'; for(i=N-1;i>=0;i--) { FOR(j,10) num[i][j]=num[i+1][j]; num[i][K[i]]++; if(i!=N-1) { up[i]=up[i+1]||(K[i]=0;x--) { if(C[x]>num[i][x]) { ret=1; break; } if(C[x]