Submission #1454737


Source Code Expand

#include<iostream>
#include<algorithm>
using namespace std;
long long a[1010][1010],dp[1010][1010],h,w;

long long DFS(int y,int x){
	if(dp[y][x]>0)return dp[y][x];
	int dx[]={0,1,0,-1},dy[]={1,0,-1,0};
	long long cnt=1;
	for(int i=0;i<4;i++){
		int xx=x+dx[i],yy=y+dy[i];
		if(xx>=0&&xx<w&&yy>=0&&yy<h){
			if(a[y][x]<a[yy][xx]){
				cnt+=DFS(yy,xx);
			}
		}
	}
	dp[y][x]=cnt;
	return cnt;
}

int main(){
	cin>>h>>w;
	for(int i=0;i<h;i++){
		for(int j=0;j<w;j++){
			scanf("%lld",&a[i][j]);
			dp[i][j]=0;
		}
	}
	long long ans=0;
	for(int i=0;i<h;i++){
		for(int j=0;j<w;j++){
			ans+=DFS(i,j);
			ans%=1000000007;
		}
	}
	cout<<ans<<endl;
	return 0;
}

Submission Info

Submission Time
Task D - 経路
User ynymxiaolongbao
Language C++14 (GCC 5.4.1)
Score 0
Code Size 695 Byte
Status WA
Exec Time 2104 ms
Memory 16384 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:26:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%lld",&a[i][j]);
                          ^

Judge Result

Set Name sample All
Score / Max Score 0 / 0 0 / 100
Status
AC × 2
AC × 21
WA × 1
TLE × 2
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 TLE 2104 ms 16384 KB
01.txt TLE 2104 ms 16384 KB
02.txt AC 98 ms 16128 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 2 ms 4608 KB
11.txt AC 152 ms 16128 KB
12.txt AC 152 ms 16128 KB
13.txt AC 152 ms 16128 KB
14.txt AC 152 ms 16128 KB
15.txt WA 841 ms 16384 KB
16.txt AC 152 ms 16128 KB
17.txt AC 152 ms 16128 KB
18.txt AC 107 ms 16128 KB
19.txt AC 92 ms 16128 KB
sample01.txt AC 2 ms 2304 KB
sample02.txt AC 2 ms 2304 KB