#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define ff first
#define ss second
const int N=550;
int a[N];
int b[N];
signed main(){
int n,m,k;
cin>>n>>m>>k;
int s=0;
for(int i=1;i<=n;i++){
cin>>a[i];
s+=a[i];
}
for(int i=0;i<m;i++)cin>>b[i];
for(int i=1;i<=n;i++){
if(a[i]<k){
cout<<"IMPOSSIBLE";
return 0;
}
}
int ans=1e9;
for(int i=0; i<(1<<m); i++){
int cur=0,cnt=0,num=0;
for(int j=0; j<m; j++){
if(i&(1<<j)){
if(num+b[j]>=n){
cnt++;
num=min(num,(num+b[j])%n);
}else{
num+=b[j];
}
cur+=b[j];
}
}
if(cur>=sum&&cnt>=k){
ans=min(ans,cur-sum);
}
}
if(ans==1e9){
cout<<"IMPOSSIBLE";
}
else cout<<ans;
}
Compilation message
kitchen.cpp: In function 'int main()':
kitchen.cpp:40:12: error: 'sum' was not declared in this scope; did you mean 'num'?
40 | if(cur>=sum&&cnt>=k){
| ^~~
| num
