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1076.cpp
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1076.cpp
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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define PI (acos(-1))
#define ct cout<<
#define cn cin>>
#define spc <<" "<<
#define nl puts("")
#define _fl(x) puts("FLAG " #x),fflush(stdout);
#define _(x) cout<< #x <<" is "<< x <<endl;
#define fs first
#define sc second
#define pb push_back
#define all(v) (v).begin(), (v).end()
#define _109 (1000000000)
#define _0(arr) memset(arr,0,sizeof ( arr ) )
#define _1(arr) memset(arr,-1,sizeof ( arr ) )
#define _ninp(n,arr) for(int i=0; i<n;i++)cin>>arr[i];
#define _nout(n,arr) for(int i=0; i<n;i++)cout<<arr[i]<<" \n"[i==n-1];
double _eps=1e-6;
int arr[1010];
int n,m;
bool pos(ll ctn){
ll sm=0;
int cnt=0;
for (int i = 0; i < n;i++)
{
if(arr[i]>ctn)return false;
if(sm+arr[i]<=ctn)sm+=arr[i];
else cnt++,sm=0,i--;
}
if(cnt+1>m)return false;
return true;
}
int main() {
int T;
cn T;
for(int caseno=1; caseno<=T ;caseno++){
cn n>>m;
for (int i = 0; i < n; ++i)cn arr[i];
ll up=10000000000,dw=1;
ll mid=up+dw;
mid/=2;
while(dw<up){
// _(mid);
if(pos(mid))up=mid;
else dw=mid+1;
mid=(up+dw)/2;
}
printf("Case %d: %lld\n",caseno,mid);
}
return 0;
}