acwing::acwing1995 命名空间参考

1. 见面与问候

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函数
int	main (istream &cin, ostream &cout)
	TEST (acwing1995, case1)

详细描述

1. 见面与问候

函数说明

main()

int acwing::acwing1995::main	(	istream &	cin,
		ostream &	cout
	)

在文件 acwing.cpp 第 6901 行定义.

                                              {
            int b;
            int e;
            cin >> b >> e;
            vector<int> pos_b;
            vector<int> pos_e;
            pos_b.push_back(0);
            pos_e.push_back(0);
            while(b-- != 0) {
                char dir;
                int dist;
                cin >> dist >> dir;
                if(dir == 'L') {
                    for(int i = 0; i < dist; i++) {
                        pos_b.push_back(pos_b.back() - 1);
                    }
                } else {
                    for(int i = 0; i < dist; i++) {
                        pos_b.push_back(pos_b.back() + 1);
                    }
                }
            }
            while(e-- != 0) {
                char dir;
                int dist;
                cin >> dist >> dir;
                if(dir == 'L') {
                    for(int i = 0; i < dist; i++) {
                        pos_e.push_back(pos_e.back() - 1);
                    }
                } else {
                    for(int i = 0; i < dist; i++) {
                        pos_e.push_back(pos_e.back() + 1);
                    }
                }
            }
            const int t = max(pos_e.size(), pos_b.size());
            int ans     = 0;
            bool flag   = true;
            for(int i = 0; i < t; i++) {
                const int pe = i < pos_e.size() ? pos_e[i] : pos_e.back();
                const int pb = i < pos_b.size() ? pos_b[i] : pos_b.back();
                if(pe == pb) {
                    if(!flag) {
                        ans++;
                    }
                    flag = true;
                } else {
                    flag = false;
                }
            }
            cout << ans;
            return 0;
        }

被这些函数引用 TEST().

TEST()

acwing::acwing1995::TEST	(	acwing1995	,
		case1
	)

在文件 acwing_test.cpp 第 3244 行定义.

                                {
            istringstream in("4 5\n"
                             "3 L\n"
                             "5 R\n"
                             "1 L\n"
                             "2 R\n"
                             "4 R\n"
                             "1 L\n"
                             "3 L\n"
                             "4 R\n"
                             "2 L");
            auto out = ostringstream();
            main(in, out);
            const auto ans = out.str();
            ASSERT_EQ("3", ans);
        }

引用了 main().