Submission #1369075
Source Code Expand
/* #include <boost/multiprecision/cpp_int.hpp> typedef boost::multiprecision::cpp_int mint; //*/ #include <bits/stdc++.h> #define re(i,j,n) for(li i=(j);i<(n);i++) #define rep(i,n) re(i,0,(n)) #define red(i,n) for(li i=n-1;i>=0;i--) #define all(a) begin(a),end(a) #define pb(a) push_back(a) using namespace std; typedef long int li; typedef unsigned long long ull; typedef vector<int> vi; typedef vector<li> vli; typedef vector<string> vs; int main() { ull n,k,a,ans=0; cin>>n>>k; if(n>=k+k) for(ull i=0;i<n;i++) { cin>>a; if(n-1-i<k) ans+=(n-i)*a; else if(k>i) ans+=(i+1)*a; else ans+=a*k; } else for(ull i=0;i<n;i++){ cin>>a; if(i<=n-k) ans+=(i+1)*a; else if(i>=k) ans+=(n-i)*a; else ans+=(n-k+1)*a; } cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - 総和 |
User | numi |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 877 Byte |
Status | AC |
Exec Time | 38 ms |
Memory | 256 KB |
Judge Result
Set Name | sample | subtask1 | subtask2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 50 / 50 | 50 / 50 | ||||||
Status |
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Set Name | Test Cases |
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sample | sample01.txt, sample02.txt |
subtask1 | 00.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, sample01.txt, sample02.txt |
subtask2 | 00.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, sample01.txt, sample02.txt, sample01.txt, sample02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00.txt | AC | 1 ms | 256 KB |
01.txt | AC | 1 ms | 256 KB |
02.txt | AC | 1 ms | 256 KB |
03.txt | AC | 2 ms | 256 KB |
04.txt | AC | 2 ms | 256 KB |
05.txt | AC | 2 ms | 256 KB |
06.txt | AC | 2 ms | 256 KB |
07.txt | AC | 2 ms | 256 KB |
08.txt | AC | 2 ms | 256 KB |
09.txt | AC | 2 ms | 256 KB |
10.txt | AC | 2 ms | 256 KB |
11.txt | AC | 37 ms | 256 KB |
12.txt | AC | 37 ms | 256 KB |
13.txt | AC | 37 ms | 256 KB |
14.txt | AC | 37 ms | 256 KB |
15.txt | AC | 37 ms | 256 KB |
16.txt | AC | 37 ms | 256 KB |
17.txt | AC | 38 ms | 256 KB |
18.txt | AC | 18 ms | 256 KB |
19.txt | AC | 37 ms | 256 KB |
sample01.txt | AC | 1 ms | 256 KB |
sample02.txt | AC | 1 ms | 256 KB |