Submission #1248120


Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define pb         push_back

int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};

typedef long long ll;
const ll INF = 1000000000000000000ll;
const ll MOD = 1000000007ll;
const double EPS = 1e-8;

ll ma[1005][1005];
ll memo[1005][1005];
int h, w;

ll rec(int y, int x){
	if(memo[y][x] != -1) return memo[y][x];

	ll ret = 1;
	for(int i=0; i<4; i++){
		int ny = y + dy[i];
		int nx = x + dx[i];
		if(ny >= 0 && ny < h && nx >= 0 && nx < w && ma[ny][nx] > ma[y][x]){
			ret += rec(ny, nx) % MOD;
		}
	}

	return memo[y][x] = ret;
}
int main(void) {
	//ios_base::sync_with_stdio(false);
	//cin.tie(0);
	cin >> h >> w;

	for(int i=0; i<h; i++){
		for(int j=0; j<w; j++){
			int a;
			cin >> a;
			ma[i][j] = a;
		}
	}

	for(int i=0; i<h; i++){
		for(int j=0; j<w; j++){
			memo[i][j] = -1;
		}
	}

	ll ans = 0;
	for(int i=0; i<h; i++){
		for(int j=0; j<w; j++){
			//printf("%d ", rec(i, j) + 1);
			ans += (rec(i, j)) % MOD;
		}
		//puts("");
	}

	cout << ans << endl;
	
	return 0;
}

Submission Info

Submission Time
Task D - 経路
User tanutarou
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1094 Byte
Status WA
Exec Time 563 ms
Memory 16128 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 320 ms 16128 KB
01.txt WA 422 ms 16128 KB
02.txt AC 194 ms 16000 KB
03.txt AC 2 ms 2304 KB
04.txt AC 2 ms 2304 KB
05.txt AC 2 ms 2304 KB
06.txt AC 2 ms 2304 KB
07.txt AC 2 ms 2304 KB
08.txt AC 2 ms 2432 KB
09.txt AC 2 ms 2304 KB
10.txt AC 3 ms 4608 KB
11.txt AC 562 ms 16000 KB
12.txt AC 552 ms 16000 KB
13.txt AC 563 ms 16000 KB
14.txt AC 562 ms 16000 KB
15.txt WA 479 ms 16128 KB
16.txt AC 562 ms 16000 KB
17.txt AC 552 ms 16000 KB
18.txt AC 221 ms 16000 KB
19.txt AC 189 ms 16000 KB
sample01.txt AC 2 ms 2304 KB
sample02.txt AC 2 ms 2304 KB