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답안 #746742

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
746742 2023-05-23T03:39:11 Z Abrar_Al_Samit 스카이라인 (IZhO11_skyline) C++17
0 / 100
 23 ms 50468 KB 
#include<bits/stdc++.h>
using namespace std;

int dp[305][205][205];
int n;
int a[305];

int op3(int i, int &n1, int &n2) {
	int x = n1, y = n2, z = a[i+2];

	int ret = 0;
	int take = min({x, y, z});
	ret = take * 7;

	x -= take;
	y -= take;
	z -= take;

	if(x) {
		if(y) {
			take = min(x, y);
			ret += take * 5;

			x -= take;
			y -= take;

			if(x) {
				ret += x * 3;
			}
		} else {
			ret += x * 3;
		}
	}
	n1 = y, n2 = z;
	return ret;
}
int solve(int i, int n1, int n2) {
	if(i>n) return 0;

	int &ret = dp[i][n1][n2];
	if(ret!=-1) return ret;

	ret = solve(i+1, n2, a[i+2]) + n1 * 3;
	ret = solve(i+1, max(0, n2-n1), a[i+2]) + min(n1, n2) * 5 + max(n1-n2, 0) * 3;

	int c = op3(i, n1, n2);
	ret = min(ret, c+solve(i+1, n1, n2));
	return ret;
}
void PlayGround() {
	cin>>n;
	for(int i=1; i<=n; ++i) {
		cin>>a[i];
	}	
	memset(dp, -1, sizeof dp);
	cout<<solve(1, a[1], a[2])<<'\n';

	// cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
}
int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	PlayGround();
	return 0;
}

Subtask #1
0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 50388 KB Output is correct
2 Correct 20 ms 50448 KB Output is correct
3 Correct 23 ms 50468 KB Output is correct
4 Correct 20 ms 50372 KB Output is correct
5 Correct 20 ms 50428 KB Output is correct
6 Incorrect 20 ms 50448 KB Output isn't correct
7 Halted 0 ms 0 KB -