Submission #1247916
Source Code Expand
#include <iostream>
#include <cstdio>
typedef long long ll;
using namespace std;
const int INF = 1000000007;
int H, W;
int dx[4] = {0,-1,0,1};
int dy[4] = {-1,0,1,0};
ll memo[1001][1001];
ll maze[1001][1001];
ll ans;
int rec (int i, int j) {
int x;
if(memo[i][j] > 0) return memo[i][j];
int res = 0;
res++;
for(int n = 0; n < 4; n++) {
int nx = j + dx[n];
int ny = i + dy[n];
if(nx >= 0 && nx < W && ny >= 0 && ny < H && maze[i][j] < maze[ny][nx]){
res += rec(ny,nx);
if(res >= INF) res -= INF;
}
}
return memo[i][j] = res;
}
int main() {
scanf("%d %d",&H,&W);
for(int i = 0; i < H; i++) {
for(int j = 0; j < W; j++) {
scanf("%lld",&maze[i][j]);
}
}
for(int i = 0; i < H; i++) {
for(int j = 0; j < W; j++) {
ans += rec(i,j);
if(ans > INF) ans -= INF;
}
}
printf("%lld\n",ans);
return 0;
}
Submission Info
Submission Time
2017-04-28 21:05:40+0900
Task
D - 経路
User
shossie1016
Language
C++14 (GCC 5.4.1)
Score
100
Code Size
957 Byte
Status
AC
Exec Time
146 ms
Memory
16000 KB
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:33:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&H,&W);
^
./Main.cpp:37:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld",&maze[i][j]);
^
Judge Result
Set Name
sample
All
Score / Max Score
0 / 0
100 / 100
Status
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
AC
106 ms
16000 KB
01.txt
AC
117 ms
16000 KB
02.txt
AC
91 ms
15872 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
146 ms
15872 KB
12.txt
AC
146 ms
15872 KB
13.txt
AC
146 ms
15872 KB
14.txt
AC
146 ms
15872 KB
15.txt
AC
134 ms
16000 KB
16.txt
AC
145 ms
15872 KB
17.txt
AC
145 ms
16000 KB
18.txt
AC
101 ms
15872 KB
19.txt
AC
87 ms
15872 KB
sample01.txt
AC
2 ms
2304 KB
sample02.txt
AC
2 ms
2304 KB