Submission #1758868
Source Code Expand
//#include <bits/stdc++.h>
#include <iostream>
#include <algorithm>
#include <bitset>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <stack>
#include <queue>
#include <deque>
#include <string>
#include <utility>
#include <array>
#include <complex>
#include <valarray>
#include <cassert>
#include <cmath>
#include <functional>
#include <iomanip>
#include <chrono>
#include <random>
#include <numeric>
using namespace std;
#define int long long
typedef long long ll;
typedef unsigned long long ull;
//typedef unsigned __int128 HASH;
typedef pair<int,int> pii;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pullull;
typedef pair<ll,int> plli;
typedef pair<double, int> pdbi;
typedef pair<int,pii> pipii;
typedef pair<ll,pll> plpll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<pii> vpii;
typedef vector<vector<int>> mat;
#define rep(i,n) for (int i=0;i<(n);i++)
#define rep2(i,a,b) for (int i=(a);i<(b);i++)
#define rrep(i,n) for (int i=(n);i>0;i--)
#define rrep2(i,a,b) for (int i=(a);i>b;i--)
#define pb push_back
#define fi first
#define se second
#define all(a) (a).begin(),(a).end()
#define rall(a) (a).rbegin(),(a).rend()
const ll hmod1 = 999999937;
const ll hmod2 = 1000000000 + 9;
const int INF = 1<<30;
const ll mod = 1000000000 + 7;
const int dx4[4] = {1, 0, -1, 0};
const int dy4[4] = {0, 1, 0, -1};
const int dx8[8] = {1, 1, 1, 0, 0, -1, -1, -1};
const int dy8[8] = {0, 1, -1, 1, -1, 0, 1, -1};
const double pi = 3.141592653589793;
#define addm(X, Y) (X) = ((X) + ((Y) % mod) + mod) % mod
#define inside(y, x, h, w) (0 <= (y) && (y) < (h) && 0 <= (x) && (x) < (w)) ? true : false
int n;
int a[200000 + 5], pos[200000 + 5];
set<int> st;
signed main(){
cin.tie(0);
ios::sync_with_stdio(false);
cin >> n;
rep(i, n) {
cin >> a[i];
pos[a[i]] = i + 1;
}
st.insert(0);
st.insert(n + 1);
int ans = 0;
rep2(i, 1, n + 1) {
ans += i * (*st.upper_bound(pos[i]) - pos[i]) * (pos[i] - *(--st.lower_bound(pos[i])));
st.insert(pos[i]);
}
cout << ans << endl;
}
Submission Info
Submission Time |
|
Task |
B - Minimum Sum |
User |
roto_37 |
Language |
C++14 (GCC 5.4.1) |
Score |
400 |
Code Size |
2263 Byte |
Status |
AC |
Exec Time |
164 ms |
Memory |
12800 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 |
161 ms |
12800 KB |
corner1 |
AC |
164 ms |
12800 KB |
corner2 |
AC |
1 ms |
256 KB |
corner3 |
AC |
86 ms |
12800 KB |
example0 |
AC |
1 ms |
256 KB |
example1 |
AC |
1 ms |
256 KB |
example2 |
AC |
1 ms |
256 KB |
maxrand0 |
AC |
135 ms |
12800 KB |
maxrand1 |
AC |
131 ms |
12800 KB |
maxrand2 |
AC |
131 ms |
12800 KB |
rand0 |
AC |
1 ms |
256 KB |
rand1 |
AC |
1 ms |
256 KB |
rand2 |
AC |
1 ms |
256 KB |