blob: da01a2368f956c8d5e5bed9ca059bf80cc466112 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#include <algorithm>
#include <cstdio>
#include <iostream>
#include <string>
#include <vector>
int main() {
std::vector<std::string> files;
int n;
std::cin >> n;
int current_count = 0;
while (current_count < n) {
std::string command;
std::cin >> command;
char a = command[0];
if (a == 't') {
std::string file;
std::cin >> file;
auto iter = std::find(files.cbegin(), files.cend(), file);
if (iter == files.cend()) {
files.push_back(std::move(file));
}
} else if (a == 'l') {
for (const auto &f : files) {
std::cout << f << '\n';
}
} else {
char b = command[1];
if (b == 'm') {
std::string file;
auto iter = std::find(files.cbegin(), files.cend(), file);
if (iter != files.cend())
files.erase(iter);
} else {
std::string old, new_f;
std::cin >> old >> new_f;
auto iter = std::find(files.begin(), files.end(), old);
auto iter2 = std::find(files.begin(), files.end(), new_f);
if (iter != files.end() && iter2 == files.end()) {
*iter = std::move(new_f);
}
}
}
current_count++;
}
return 0;
}
|
