#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define el '\n'
#define ld long double
const int maxn=1e5+1,nn=1e7+1;
void amax(int &x,int y){if(y>x)x=y;}
int a[maxn],n,m,q,p,oo,ans,k,f[nn];
int t;
bool ok;
void check(){
t=1;
ok=0;
for(int i=0;i<m;++i){
k=t*a[i];
if(t*a[i]<t || t*a[i]>oo || k/a[i]!=t){
ok=1;
return;
}
t=t*a[i];
}
}
int sol(int z){
if(f[z]>=0) return f[z];
int ma=0;
f[z]=sol(z-ut[z])+1;
return f[z];
}
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);
cin >> m >> q;
for(int i=0;i<m;++i) cin >> a[i];
sort(a+0,a+m);
for(int i=0;i<m;++i)
for(int j=a[i]-1;j<nn;j+=a[i]) ut[j]=a[i]-1;
for(int i=nn-2;i>0;--i) amax(ut[i],ut[i+1]-1);
memset(f,-1,sizeof f);
f[0]=0;
oo=1e7;
check();
while(q--){
cin >> n;
if(ok){
cout << sol(n);
} else {
if(n>=t){
cout << "oo";
} else {
cout << sol(n);
}
}
cout << el;
}
return 0;
}
Compilation message
brunhilda.cpp: In function 'int sol(int)':
brunhilda.cpp:27:16: error: 'ut' was not declared in this scope; did you mean 't'?
27 | f[z]=sol(z-ut[z])+1;
| ^~
| t
brunhilda.cpp:26:9: warning: unused variable 'ma' [-Wunused-variable]
26 | int ma=0;
| ^~
brunhilda.cpp: In function 'int main()':
brunhilda.cpp:36:40: error: 'ut' was not declared in this scope; did you mean 't'?
36 | for(int j=a[i]-1;j<nn;j+=a[i]) ut[j]=a[i]-1;
| ^~
| t
brunhilda.cpp:37:34: error: 'ut' was not declared in this scope; did you mean 't'?
37 | for(int i=nn-2;i>0;--i) amax(ut[i],ut[i+1]-1);
| ^~
| t
