acwing::acwing3535 命名空间参考

1. C翻转

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函数
int	main (istream &cin, ostream &cout)
	TEST (acwing3535, case1)
	TEST (acwing3535, case2)

详细描述

1. C翻转

函数说明

main()

int acwing::acwing3535::main	(	istream &	cin,
		ostream &	cout
	)

在文件 acwing408.cpp 第 1554 行定义.

                                              {
            int dir, len, x, y;
 
            vector<vector<int>> mat = vector<vector<int>>(6, vector<int>(6, 0));
            for(int i = 1; i <= 5; i++) {
                for(int j = 1; j <= 5; j++) {
                    cin >> mat[i][j];
                }
            }
            vector<vector<int>> ret = mat;
            cin >> dir >> len >> x >> y;
            int transform[2][2][2] = {
                    {{0, 1},
                     {-1, 0}},
                    {{0, -1},
                     {1, 0}},
            };
            dir--;
            for(int i = x; i < x + len; i++) {
                for(int j = y; j < y + len; j++) {
                    int i0 = i - x + 1;
                    int j0 = j - y + 1;
                    int i2 = transform[dir][0][0] * i0 + transform[dir][0][1] * j0;
                    int j2 = transform[dir][1][0] * i0 + transform[dir][1][1] * j0;
                    if(dir == 0) {
                        j2 += len + 1;
                    } else {
                        i2 += len + 1;
                    }
                    i2 += x - 1;
                    j2 += y - 1;
                    ret[i2][j2] = mat[i][j];
                }
            }
            for(int i = 1; i <= 5; i++) {
                for(int j = 1; j <= 5; j++) {
                    cout << ret[i][j] << ' ';
                }
                cout << endl;
            }
            return 0;
        }

被这些函数引用 TEST().

TEST() [1/2]

acwing::acwing3535::TEST	(	acwing3535	,
		case1
	)

在文件 acwing408_test.cpp 第 1812 行定义.

                                {
            istringstream in("1 2 3 4 5\n"
                             "6 7 8 9 10\n"
                             "11 12 13 14 15\n"
                             "16 17 18 19 20\n"
                             "21 22 23 24 25\n"
                             "1 3 1 1");
            auto out = ostringstream();
            main(in, out);
            const auto ans = out.str();
            ASSERT_EQ("11 6 1 4 5 \n"
                      "12 7 2 9 10 \n"
                      "13 8 3 14 15 \n"
                      "16 17 18 19 20 \n"
                      "21 22 23 24 25 \n",
                      ans);
        }

引用了 main().

TEST() [2/2]

acwing::acwing3535::TEST	(	acwing3535	,
		case2
	)

在文件 acwing408_test.cpp 第 1830 行定义.

                                {
            istringstream in("19 5 7 16 12\n"
                             "17 9 6 9 11\n"
                             "9 19 14 10 8\n"
                             "11 12 20 2 13\n"
                             "16 10 7 2 10\n"
                             "1 2 3 4");
            auto out = ostringstream();
            main(in, out);
            const auto ans = out.str();
            ASSERT_EQ("19 5 7 16 12 \n"
                      "17 9 6 9 11 \n"
                      "9 19 14 2 10 \n"
                      "11 12 20 13 8 \n"
                      "16 10 7 2 10 \n",
                      ans);
        }

引用了 main().