Submission #1154703

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1154703	2025-02-21 07:46:26	dosts	Robots (APIO13_robots)	C++17	60 / 100	587 ms	212096 KiB

robots

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " <<    
#define all(cont) cont.begin(),cont.end()
#define vi vector<int>
 
const int inf = 2e9,N = 2e6+1,MOD = 998244353,B = 600;
vector<string> grid;
int dp[500][500][10][10];
pii go[500][500][4];
vi dx{0,1,0,-1},dy{1,0,-1,0};
int h,w;
pii dfs(int x,int y,int d){
    if (go[x][y][d].ff != -2) return go[x][y][d];
    if (grid[x][y] == 'x') return go[x][y][d] = {-1,-1};
    int dd = d;
    if (grid[x][y] == 'C') dd = (dd+1)%4;
    if (grid[x][y] == 'A') dd = (dd+3)%4;
    int gx = x+dx[dd],gy = y+dy[dd];
    if (gx < 0 || gx >= h || gy < 0 || gy >= w || grid[gx][gy] == 'x') return go[x][y][d] = {x,y};
    go[x][y][d] = {-1,-1};
    return go[x][y][d] = dfs(gx,gy,dd);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 0 / 40