Submission #1364647
Source Code Expand
#include <bits/stdc++.h> using namespace std; int main() { int n; cin>>n; vector<int> p(n+1); for(int i=0; i<n; ++i) { int a; cin>>a; p[a]=i; } long res=0; set<int> s={-1, n}; for(int i=1; i<=n; ++i) { int k=p[i]; auto it=s.upper_bound(k); long R=*it; long L=*--it; res+=(k-L)*(R-k)*i; s.insert(k); } cout<<res<<endl; }
Submission Info
Submission Time | |
---|---|
Task | B - Minimum Sum |
User | hogeover30 |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 446 Byte |
Status | AC |
Exec Time | 157 ms |
Memory | 10368 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | example0, example1, example2 |
All | corner0, corner1, corner2, corner3, example0, example1, example2, maxrand0, maxrand1, maxrand2, rand0, rand1, rand2 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
corner0 | AC | 157 ms | 10368 KB |
corner1 | AC | 155 ms | 10368 KB |
corner2 | AC | 1 ms | 256 KB |
corner3 | AC | 111 ms | 10368 KB |
example0 | AC | 1 ms | 256 KB |
example1 | AC | 1 ms | 256 KB |
example2 | AC | 1 ms | 256 KB |
maxrand0 | AC | 146 ms | 10368 KB |
maxrand1 | AC | 146 ms | 10368 KB |
maxrand2 | AC | 145 ms | 10368 KB |
rand0 | AC | 1 ms | 256 KB |
rand1 | AC | 1 ms | 256 KB |
rand2 | AC | 1 ms | 256 KB |