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 |
|
|
Set Name | Test Cases |
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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 |