Submission #4059474
Source Code Expand
#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()
//#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
//---------------------------------------------------------------------------------------------------
/*---------------------------------------------------------------------------------------------------
∧_∧
∧_∧ (´<_` ) Welcome to My Coding Space!
( ´_ゝ`) / ⌒i
/ \ | |
/ / ̄ ̄ ̄ ̄/ |
__(__ニつ/ _/ .| .|____
\/____/ (u ⊃
---------------------------------------------------------------------------------------------------*/
int N, H[101];
//---------------------------------------------------------------------------------------------------
int ans = 0;
void f(int L, int R) {
if (L >= R) return;
int mi = inf;
rep(i, L, R) chmin(mi, H[i]);
ans += mi;
rep(i, L, R) H[i] -= mi;
vector<int> zero;
zero.push_back(-1);
rep(i, L, R) if(H[i] == 0) zero.push_back(i);
zero.push_back(R);
int n = zero.size();
rep(i, 0, n - 1) f(zero[i] + 1, zero[i + 1]);
}
//---------------------------------------------------------------------------------------------------
void _main() {
cin >> N;
rep(i, 0, N) cin >> H[i];
f(0, N);
cout << ans << endl;
}
Submission Info
| Submission Time |
|
| Task |
C - Grand Garden |
| User |
hamayanhamayan |
| Language |
C++14 (GCC 5.4.1) |
| Score |
300 |
| Code Size |
1955 Byte |
| Status |
AC |
| Exec Time |
2 ms |
| Memory |
256 KiB |
Judge Result
| Set Name |
Sample |
All |
| Score / Max Score |
0 / 0 |
300 / 300 |
| Status |
|
|
| Set Name |
Test Cases |
| Sample |
s1.txt, s2.txt, s3.txt |
| All |
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, s1.txt, s2.txt, s3.txt |
| Case Name |
Status |
Exec Time |
Memory |
| 01.txt |
AC |
1 ms |
256 KiB |
| 02.txt |
AC |
1 ms |
256 KiB |
| 03.txt |
AC |
1 ms |
256 KiB |
| 04.txt |
AC |
1 ms |
256 KiB |
| 05.txt |
AC |
1 ms |
256 KiB |
| 06.txt |
AC |
1 ms |
256 KiB |
| 07.txt |
AC |
1 ms |
256 KiB |
| 08.txt |
AC |
1 ms |
256 KiB |
| 09.txt |
AC |
1 ms |
256 KiB |
| 10.txt |
AC |
1 ms |
256 KiB |
| 11.txt |
AC |
1 ms |
256 KiB |
| 12.txt |
AC |
1 ms |
256 KiB |
| 13.txt |
AC |
1 ms |
256 KiB |
| 14.txt |
AC |
1 ms |
256 KiB |
| 15.txt |
AC |
2 ms |
256 KiB |
| 16.txt |
AC |
1 ms |
256 KiB |
| s1.txt |
AC |
1 ms |
256 KiB |
| s2.txt |
AC |
1 ms |
256 KiB |
| s3.txt |
AC |
1 ms |
256 KiB |