Submission #261457

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
261457	2020-08-11 18:10:49	brcode	Robots (APIO13_robots)	C++14	60 / 100	1570 ms	154464 KiB

robots

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#include <iostream>
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 510;
int grid[MAXN][MAXN];
int dp[MAXN][MAXN][12][12];
vector<pair<int,int>> res[2];
vector<pair<int,pair<int,int>>> v1;
int n,h,w;
int dx[6] = {0,0,1,0,-1};
int dy[6] = {0,1,0,-1,0};
pair<int,int> visited[MAXN][MAXN][5];
pair<int,int> bot[20];
bool check(int i,int j){
    if(i<=0||j<=0||i>w||j>h||grid[i][j] == 0){
        return false;
    }
    return true;
}
pair<int,int> dfs(int i,int j,int dir){
    if(visited[i][j][dir]!=make_pair(0,0)){
        
        return visited[i][j][dir];
    }
    
    if(grid[i][j]==1){
        int nexti = i+dx[dir];
        int nextj = j+dy[dir];
        
        if(check(nexti,nextj)){
 
 
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Compilation message (stderr)

robots.cpp: In function 'int main()':
robots.cpp:171:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 while(ptr<v1.size() && v1[ptr].first==i){
                       ~~~^~~~~~~~~~
robots.cpp:76:9: warning: unused variable 'mx' [-Wunused-variable]
     int mx = h*w;
         ^~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 0 / 40