京东笔试 9.11
9.11 京东笔试 1 0
第二题明天再看看
#include <iostream>
#include <vector>
#include <map>
using namespace std;
int row, col, movee, turn, click; // 行数 列数 移动
map<char, pair<int, int>> m_map; // 方便查找
int abs(int a, int b)
{
return a > b ? a - b : b - a;
}
// 给定初始位置,结束位置,计算耗时 返回耗时 引用记录位置
int timeSpend(int& armRow, int& armCol, int charRow, int charCol)
{
int moveNum = abs(armRow, charRow) + abs(armCol, charCol);
int turnNum;
if (armRow != charRow && armCol != charCol)
turnNum = 1;
else turnNum = 0;
int clickNum = 1;
armRow = charRow;
armCol = charCol;
return moveNum * movee + turnNum * turn + clickNum * click;
}
int main()
{
cin >> row;
cin >> col;
cin >> movee;
cin >> turn;
cin >> click;
for (int i = 0; i != row; ++i)
{
for (int j = 0; j != col; ++j)
{
char temp;
cin >> temp;
m_map[temp] = pair<int, int>(i, j);
}
}
string lizi;
cin >> lizi;
// 初始化机械臂位置
int armRow = 0;
int armCol = 0;
long long SumTime = 0;
for (int i = 0; i != lizi.size(); ++i)
{
auto iter = m_map.find(lizi[i]);
SumTime += timeSpend(armRow, armCol, iter->second.first, iter->second.second);
}
cout << SumTime << endl;
return 0;
}
9.14更新
#include <bits/stdc++.h>
using namespace std;
typedef struct Nodee {
bool working = false;
vector<int> need;
vector<int> beNeeded;
} Node;
int main()
{
int n, q;
cin >> n >> q;
vector<Node> node(n);
for (int i = 0; i < n; ++i)
{
int c;
cin >> c;
for (int j = 0; j != c; ++j)
{
int cur;
cin >> cur;
node[i].need.push_back(cur - 1);
node[cur - 1].beNeeded.push_back(i);
}
}
for (int i = 0; i < q; ++i)
{
int x, y;
cin >> x >> y;
if (x == 0)
{
node[y - 1].working = false;
int levelSize = 1;
queue<int> que;
que.push(y - 1); // 停机的服务器序号
while (levelSize)
{
for (int k = 0; k < levelSize; ++k)
{
for (auto& item : node[que.front()].beNeeded)
if (node[item].working)
que.push(item);
node[que.front()].working = false;
que.pop();
}
levelSize = que.size();
}
}
else if (x == 1)
{
node[y - 1].working = true;
int levelSize = 1;
queue<int> que;
que.push(y - 1);
while (levelSize)
{
for (int k = 0; k < levelSize; ++k)
{
for (auto& item : node[que.front()].need)
if (!node[item].working)
que.push(item);
node[que.front()].working = true;
que.pop();
}
levelSize = que.size();
}
}
int ret = 0;
for (const auto& c : node)
if (c.working) ++ret;
cout << ret << endl;
}
system("pause");
return 0;
}
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