Submission #1143695

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1143695	2025-02-01 10:28:49	Sang	Robots (APIO13_robots)	C++20	10 / 100	1 ms	852 KiB

robots

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#include<bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i++)
#define FORD(i, a, b) for (int i = (a), _b = (b); i >= _b; i--)
#define fi first
#define se second
#define pb push_back
#define ALL(a) (a).begin(), (a).end()
#define task "kbsiudthw"
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef pair<int, ii> pii;
const int N = 1e5 + 5;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 2277;
int w, h, n, c[505][505], dist[11][11][505][505], vis[505][505][4];
ii a[15];
ii nxt[505][505][4];
int dx[4] = {-1, 0, 1, 0};
int dy[4] = {0, 1, 0, -1};
ii dfs(int i, int j, int d){
    if (c[i][j] == 2) d = (d - 1 + 4)%4;
    if (c[i][j] == 3) d = (d + 1)%4;
    if (vis[i][j][d] == 1) return {-1, -1};
    if (vis[i][j][d] == 2) return nxt[i][j][d];
 
 
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Compilation message (stderr)

robots.cpp: In function 'int main()':
robots.cpp:46:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
robots.cpp:47:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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