Submission #3005852
Source Code Expand
#include <iostream> #include <algorithm> #include <string> #include <vector> #include <math.h> #define MOD 1000000007 typedef long long ll; using namespace std; int h,w; ll dp[1001][1001]; ll a[1001][1001]; int dx[]={1,0,-1,0}; int dy[]={0,1,0,-1}; ll dfs(int i,int j){ if(dp[i][j]!=0) return dp[i][j]; ll sum=1; for(int k=0;k<4;k++){ int y=i+dy[k]; int x=j+dx[k]; if(x<0||x>=w||y<0||y>=h) continue; if(a[i][j]>=a[y][x]) continue; //cout<<x<<" "<<y<<endl; sum=(sum+dfs(y,x))%MOD; } dp[i][j]=sum; return dp[i][j]; } int main(){ //int h,w; cin>>h>>w; //ll a[h][w]; for(int i=0;i<h;i++) for(int j=0;j<w;j++) cin>>a[i][j]; //ll dp[h][w]; ll ans=0; for(int i=0;i<h;i++) for(int j=0;j<w;j++) dp[i][j]=0; for(int i=0;i<h;i++){ for(int j=0;j<w;j++){ ans=(ans+dfs(i,j))%MOD; } } cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - 経路 |
User | snow39 |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 920 Byte |
Status | AC |
Exec Time | 425 ms |
Memory | 16128 KB |
Judge Result
Set Name | sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
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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 | AC | 254 ms | 16000 KB |
01.txt | AC | 324 ms | 16128 KB |
02.txt | AC | 171 ms | 15872 KB |
03.txt | AC | 2 ms | 2304 KB |
04.txt | AC | 1 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 | 424 ms | 15872 KB |
12.txt | AC | 425 ms | 15872 KB |
13.txt | AC | 425 ms | 15872 KB |
14.txt | AC | 424 ms | 15872 KB |
15.txt | AC | 373 ms | 16000 KB |
16.txt | AC | 423 ms | 15872 KB |
17.txt | AC | 423 ms | 15872 KB |
18.txt | AC | 182 ms | 15872 KB |
19.txt | AC | 166 ms | 15872 KB |
sample01.txt | AC | 2 ms | 2304 KB |
sample02.txt | AC | 2 ms | 2304 KB |