CREATE OR REPLACE FUNCTION field(value TEXT, VARIADIC arr TEXT[])
RETURNS INT AS $$
DECLAREi INT;
BEGINFOR i IN 1 .. array_length(arr, 1) LOOPIF arr[i] value THENRETURN i;END IF;END LOOP;RETURN 0;
END;
$$ LANGUAGE plpgsql IMMUTABLE;
题目
法1:经典BFS 下图中就展示了我们方法:
class Solution {public int[][] updateMatrix(int[][] mat) {int m mat.length, n mat[0].length;int[][] dist new int[m][n];boolean[][] used new boolean[m][n];Queue<int[]> queue new Li…
[NISACTF 2022]popchains wp
题目代码:
Happy New Year~ MAKE A WISH
<?phpecho Happy New Year~ MAKE A WISH<br>;if(isset($_GET[wish])){unserialize($_GET[wish]);
}
else{$anew Road_is_Long;highlight_file(__FILE__);
}
/**********************…