Submission #8137468


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#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     @hamayanhamayan
    /   \     | |
    /   / ̄ ̄ ̄ ̄/  |
  __(__ニつ/     _/ .| .|____
     \/____/ (u ⊃
---------------------------------------------------------------------------------------------------*/














int H, W, A[40][40];
int dp[40][40][1010];
int dx[4] = { 0, 1, 0, -1 }, dy[4] = { -1, 0, 1, 0 };
//---------------------------------------------------------------------------------------------------
void _main() {
	cin >> H >> W;
	rep(y, 0, H) rep(x, 0, W) cin >> A[y][x];

	rep(y, 0, H) rep(x, 0, W) rep(d, 0, H * W) dp[x][y][d] = inf;
	dp[0][0][0] = 0;

	rep(d, 0, H * W) rep(x, 0, W) rep(y, 0, H) {
		rep(di, 0, 4) {
			int xx = x + dx[di];
			int yy = y + dy[di];
			if (0 <= xx and xx < W and 0 <= yy and yy < H) {
				int c = dp[x][y][d] + A[yy][xx] * (1 + 2 * d);
				chmin(dp[xx][yy][d + 1], c);
			}
		}
	}

	int ans = inf;
	rep(d, 0, H * W) chmin(ans, dp[W - 1][H - 1][d]);
	cout << ans << endl;
}




Submission Info

Submission Time
Task E - 森林伐採(Deforestation)
User hamayanhamayan
Language C++14 (GCC 5.4.1)
Score 100
Code Size 2018 Byte
Status AC
Exec Time 17 ms
Memory 5888 KB

Judge Result

Set Name Sample subtask1 subtask2 subtask3
Score / Max Score 0 / 0 15 / 15 28 / 28 57 / 57
Status
AC × 3
AC × 17
AC × 11
AC × 44
Set Name Test Cases
Sample sample-01.txt, sample-02.txt, sample-03.txt
subtask1 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt
subtask2 sample-01.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt
subtask3 sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 03-01.txt, 03-02.txt, 03-03.txt, 03-04.txt, 03-05.txt, 03-06.txt, 03-07.txt, 03-08.txt, 03-09.txt, 03-10.txt, 03-11.txt, 03-12.txt, 03-13.txt, 03-14.txt, 03-15.txt, 03-16.txt, 03-17.txt
Case Name Status Exec Time Memory
01-01.txt AC 1 ms 384 KB
01-02.txt AC 1 ms 384 KB
01-03.txt AC 1 ms 384 KB
01-04.txt AC 1 ms 384 KB
01-05.txt AC 1 ms 384 KB
01-06.txt AC 1 ms 384 KB
01-07.txt AC 1 ms 384 KB
01-08.txt AC 1 ms 256 KB
01-09.txt AC 1 ms 256 KB
01-10.txt AC 1 ms 256 KB
01-11.txt AC 1 ms 384 KB
01-12.txt AC 1 ms 384 KB
01-13.txt AC 1 ms 384 KB
01-14.txt AC 1 ms 384 KB
02-01.txt AC 11 ms 5632 KB
02-02.txt AC 11 ms 3840 KB
02-03.txt AC 15 ms 5888 KB
02-04.txt AC 11 ms 5632 KB
02-05.txt AC 11 ms 3840 KB
02-06.txt AC 15 ms 5888 KB
02-07.txt AC 2 ms 4352 KB
02-08.txt AC 1 ms 384 KB
02-09.txt AC 2 ms 4352 KB
02-10.txt AC 1 ms 384 KB
03-01.txt AC 12 ms 5632 KB
03-02.txt AC 12 ms 3840 KB
03-03.txt AC 17 ms 5888 KB
03-04.txt AC 14 ms 5888 KB
03-05.txt AC 14 ms 5888 KB
03-06.txt AC 17 ms 5888 KB
03-07.txt AC 16 ms 5888 KB
03-08.txt AC 2 ms 4352 KB
03-09.txt AC 1 ms 384 KB
03-10.txt AC 17 ms 5888 KB
03-11.txt AC 17 ms 5888 KB
03-12.txt AC 17 ms 5888 KB
03-13.txt AC 17 ms 5888 KB
03-14.txt AC 17 ms 5888 KB
03-15.txt AC 17 ms 5888 KB
03-16.txt AC 16 ms 5888 KB
03-17.txt AC 17 ms 5888 KB
sample-01.txt AC 1 ms 256 KB
sample-02.txt AC 1 ms 256 KB
sample-03.txt AC 1 ms 256 KB