Submission #1777601


Source Code Expand

#include<iostream>

using namespace std;
typedef long long ll;

const ll MOD = 1000000007;

int H, W;
ll dp[1000][1000];
ll in[1000][1000];
const int vx[4] = { 0,-1,0,1 };
const int vy[4] = { 1,0,-1,0 };

ll f(int a, int b) {

	if (dp[a][b] != 0)return dp[a][b];

	ll ans = 0;
	for (int i = 0; i < 4; i++) {
		int nx = a + vx[i], ny = b + vy[i];
		if (nx < 0 || ny < 0 || nx >= H || ny >= W)continue;
		if (in[a][b] < in[nx][ny])ans += f(nx, ny);
	}
	return dp[a][b] = ans + 1;
}

int main() {
	cin >> H >> W;

	for (int i = 0; i < H; i++) {
		for (int j = 0; j < W; j++) {
			cin >> in[i][j];
		}
	}

	ll ans = 0;
	for (int i = 0; i < H; i++) {
		for (int j = 0; j < W; j++) {

			ans += f(i, j);
			ans %= MOD;
		}
	}
	cout << ans << endl;
	return 0;
}

Submission Info

Submission Time
Task D - 経路
User Sen
Language C++14 (GCC 5.4.1)
Score 0
Code Size 799 Byte
Status WA
Exec Time 450 ms
Memory 109056 KB

Judge Result

Set Name sample All
Score / Max Score 0 / 0 0 / 100
Status
AC × 2
AC × 21
WA × 3
Set Name Test Cases
sample sample01.txt, sample02.txt
All 00.txt, 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, 17.txt, 18.txt, 19.txt, sample01.txt, sample02.txt, sample01.txt, sample02.txt
Case Name Status Exec Time Memory
00.txt WA 250 ms 16000 KB
01.txt WA 362 ms 109056 KB
02.txt AC 170 ms 15872 KB
03.txt AC 2 ms 2304 KB
04.txt AC 2 ms 2304 KB
05.txt AC 1 ms 2304 KB
06.txt AC 2 ms 2304 KB
07.txt AC 2 ms 2304 KB
08.txt AC 1 ms 2432 KB
09.txt AC 1 ms 2304 KB
10.txt AC 3 ms 4608 KB
11.txt AC 421 ms 15872 KB
12.txt AC 420 ms 15872 KB
13.txt AC 450 ms 15872 KB
14.txt AC 421 ms 15872 KB
15.txt WA 367 ms 16000 KB
16.txt AC 422 ms 15872 KB
17.txt AC 420 ms 15872 KB
18.txt AC 179 ms 15872 KB
19.txt AC 165 ms 15872 KB
sample01.txt AC 1 ms 2304 KB
sample02.txt AC 1 ms 2304 KB