Submission #207662

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
207662	2020-03-08 10:08:01	PeppaPig	Robots (APIO13_robots)	C++14	100 / 100	1010 ms	59996 KiB

robots

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#include <bits/stdc++.h>
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
const int N = 505;
const int dx[4] = {1, 0, -1, 0};
const int dy[4] = {0, -1, 0, 1};
struct item {
    int r, c, id;
    item(int r, int c, int id) : r(r), c(c), id(id) {}
};
int n, w, h, mp[10][10], dp[45][N][N];
char A[N][N];
pii nex[4][N][N];
vector<item> process[45];
pii find_next(int r, int c, int dir) {
    if(nex[dir][r][c] == pii(-1, -1) && A[r][c] != 'x') {
        int ndir = dir;
        if(A[r][c] == 'C') ndir = (dir + 1) % 4;
        if(A[r][c] == 'A') ndir = (dir + 3) % 4;
        int nr = r + dx[ndir], nc = c + dy[ndir];
        if(nr < 1 || nr > h || nc < 1 || nc > w || A[nr][nc] == 'x')
            nex[dir][r][c] = pii(r, c);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

robots.cpp: In function 'int main()':
robots.cpp:40:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &n, &w, &h);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
robots.cpp:41:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= h; i++) scanf(" %s", A[i] + 1);
                                 ~~~~~^~~~~~~~~~~~~~~~~

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