网易互娱8.27游戏研发
#网易互娱笔试#
这次笔试不难,我的AK代码如下,大佬勿喷
第一题
找规律,不多BB
#include <bits/stdc++.h> using namespace std; int t, n, m, x00, y00; char a[210][210], b[210][210]; bool judge(int x, int y) { return x >= 0 && x < m && y >= 0 && y <= m; } void func(int i, int j, int& new_i, int& new_j) { new_i = x00 + n * i; new_j = y00 + n * j; } int main() { cin >> t; while (t--) { scanf("%d%d", &n, &m); for (int i = 0; i < n; ++i) for (int j = 0; j < n; ++j) cin >> a[i][j]; int cnt = m / n; if (m % n) cnt += 2; x00 = m / 2 - n / 2 - n * (cnt / 2); y00 = x00; for (int i = 0; i < cnt; ++i) { for (int j = 0; j < cnt; ++j) { int x, y; func(i, j, x, y); for (int k = 0; k < n; ++k) { for (int m = 0; m < n; ++m) { if (judge(x + k, y + m)) b[x + k][y + m] = a[k][m]; } } } } for (int i = 0; i < m; ++i) { for (int j = 0; j < m; ++j) { cout << b[i][j]; } cout << endl; } cout << endl; } }
第二题
矩形相交
#include <bits/stdc++.h> using namespace std; int t, n, m, x00, y00; char a[210][210], b[210][210]; bool judge(int x, int y) { return x >= 0 && x < m && y >= 0 && y <= m; } void func(int i, int j, int& new_i, int& new_j) { new_i = x00 + n * i; new_j = y00 + n * j; } int main() { cin >> t; while (t--) { scanf("%d%d", &n, &m); for (int i = 0; i < n; ++i) for (int j = 0; j < n; ++j) cin >> a[i][j]; int cnt = m / n; if (m % n) cnt += 2; x00 = m / 2 - n / 2 - n * (cnt / 2); y00 = x00; for (int i = 0; i < cnt; ++i) { for (int j = 0; j < cnt; ++j) { int x, y; func(i, j, x, y); for (int k = 0; k < n; ++k) { for (int m = 0; m < n; ++m) { if (judge(x + k, y + m)) b[x + k][y + m] = a[k][m]; } } } } for (int i = 0; i < m; ++i) { for (int j = 0; j < m; ++j) { cout << b[i][j]; } cout << endl; } cout << endl; } }第三题
二维数组哈希
#网易互娱##网易笔试##include <bits/stdc++.h> using namespace std; typedef unsigned long long ull; int t; bool val[5][5]; bool vi[5][5], conn[10][10]; string tmp; unordered_set<ull> us; int func(int x, int y) { return x * 3 + y; } ull func1() { ull ret = 0; for (int i = 0; i < 9; ++i) for (int j = i + 1; j < 9; ++j) // if (conn[i][j]) ret += pow((ull)2, (ull)i) * pow((ull)3, (ull)j); // if (conn[i][j]) ret += pow((ull)2, (ull)i + j); ret = ret * 10 + (conn[i][j] ? 1 : 0); return ret; } void dfs(int x, int y) { bool pre_conn[10][10]; memcpy(pre_conn, conn, sizeof(pre_conn)); for (int i = 0; i < 3; ++i) for (int j = 0; j < 3; ++j) { if (!val[i][j] || vi[i][j]) continue; bool flag = false; if (x == i && abs(y - j) == 2 && val[x][1]) { conn[func(x, y)][func(x, 1)] = true; conn[func(x, 1)][func(x, y)] = true; conn[func(x, 1)][func(x, j)] = true; conn[func(x, j)][func(x, 1)] = true; flag = true; } else if (y == j && abs(x - i) == 2) { conn[func(x, y)][func(1, y)] = true; conn[func(1, y)][func(x, y)] = true; conn[func(1, y)][func(i, j)] = true; conn[func(i, j)][func(1, y)] = true; flag = true; } else if (abs(x - i) == 2 && abs(y - j) == 2) { conn[func(x, y)][func(1, 1)] = true; conn[func(1, 1)][func(x, y)] = true; conn[func(1, 1)][func(i, j)] = true; conn[func(i, j)][func(1, 1)] = true; flag = true; } vi[i][j] = true; if (!flag) { conn[func(x, y)][func(i, j)] = true; conn[func(i, j)][func(x, y)] = true; } us.insert(func1()); dfs(i, j); vi[i][j] = false; memcpy(conn, pre_conn, sizeof(pre_conn)); } } int main() { scanf("%d", &t); while (t--) { for (int i = 0; i < 3; ++i) { cin >> tmp; for (int j = 0; j < 3; ++j) { if (tmp[j] == '.') val[i][j] = true; else val[i][j] = false; } } us.clear(); memset(vi, 0, sizeof(vi)); memset(conn, 0, sizeof(conn)); for (int i = 0; i < 3; ++i) for (int j = 0; j < 3; ++j) { if (!val[i][j]) continue; vi[i][j] = true; dfs(i, j); vi[i][j] = false; } printf("%d\n", us.size()); } }