Submission #722403
Source Code Expand
#include <iostream> #include <set> #include <queue> #include <utility> using namespace std; const int MOD = 1000000007; int a[1000][1000], dp[1000][1000]; int dx[] = {0, 1, 0, -1}, dy[] = {-1, 0, 1, 0}; int h, w; long long int dfs(int x, int y) { if (dp[x][y] != -1) return dp[x][y]; long long int ans = 1; for (int i = 0; i < 4; ++i) { int nx = x + dx[i], ny = y + dy[i]; if (nx < 0 || w <= nx || ny < 0 || h <= ny || a[x][y] >= a[nx][ny]) { continue; } ans += dfs(nx, ny); } dp[x][y] = ans % MOD; return ans; } int main() { cin >> h >> w; for (int y = 0; y < h; ++y) { for (int x = 0; x < w; ++x) { int z; scanf("%d", &z); a[x][y] = z; dp[x][y] = -1; } } long long int ans = 0; for (int y = 0; y < h; ++y) { for (int x = 0; x < w; ++x) { ans += dfs(x, y); ans %= MOD; } } cout << ans << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - 経路 |
User | nahcnuj |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 922 Byte |
Status | AC |
Exec Time | 332 ms |
Memory | 8320 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:32:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &z); ^
Judge Result
Set Name | sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00.txt | AC | 235 ms | 8192 KB |
01.txt | AC | 276 ms | 8320 KB |
02.txt | AC | 225 ms | 8064 KB |
03.txt | AC | 4 ms | 256 KB |
04.txt | AC | 4 ms | 256 KB |
05.txt | AC | 5 ms | 1024 KB |
06.txt | AC | 15 ms | 8064 KB |
07.txt | AC | 10 ms | 4608 KB |
08.txt | AC | 4 ms | 384 KB |
09.txt | AC | 4 ms | 256 KB |
10.txt | AC | 5 ms | 640 KB |
11.txt | AC | 331 ms | 8064 KB |
12.txt | AC | 332 ms | 8064 KB |
13.txt | AC | 329 ms | 8064 KB |
14.txt | AC | 331 ms | 8064 KB |
15.txt | AC | 285 ms | 8192 KB |
16.txt | AC | 331 ms | 8064 KB |
17.txt | AC | 330 ms | 8064 KB |
18.txt | AC | 237 ms | 8064 KB |
19.txt | AC | 215 ms | 8064 KB |
sample01.txt | AC | 4 ms | 256 KB |
sample02.txt | AC | 4 ms | 256 KB |