#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define debug(n) cout << "DEBUG1 " << n << "\n";
#define debug2(n, m) cout << "DEBUG2 " << n << ' ' << m << "\n";
#define debug3(n, m, x) cout << "DEBUG3 " << n << ' ' << m << ' ' << x << "\n";
#define debug4(n, m, x, y) cout << "DEBUG3 " << n << ' ' << m << ' ' << x << ' ' << y << "\n";
#define ss_def stringstream ss // stringstream, do ss_def(str), then ss >> n (n is int)
#define upzero(n) rrn < 0) n = 0
#define alive(n) cout << "Alive here: checkpoint " << n << endl
#pragma GCC optimize("Ofast")
using namespace std;
void yes() {
cout << "YES\n";
return;
}
void no() {
cout << "NO\n";
return;
}
bool cmp1(string &a, string &b) {
if (a.length() != b.length()) return a.length() < b.length();
for (int i = 0; i < min(a.length(), b.length()); i++) {
if (a[i] != b[i]) return a[i] < b[i];
}
return false;
}
string last;
bool cmp2(string &a, string &b) {
int cnt1 = a.length(), cnt2 = b.length();
for (int i = 0; i < a.length(); i++) {
if (a[i] != last[i]) {
cnt1 = i;
break;
}
}
for (int i = 0; i < b.length(); i++) {
if (b[i] != last[i]) {
cnt2 = i;
break;
}
}
if (cnt1 != cnt2) return cnt1 < cnt2;
return a < b;
}
vector<char> ans;
vector<string> v;
void solve(int case_no) {
// implementation
int n;
cin >> n;
for (int i = 0; i < n; i++) {
string str;
cin >> str;
v.push_back(str);
}
sort(v.begin(), v.end(), cmp1);
last = v[v.size() - 1];
sort(v.begin(), v.end() - 1, cmp2);
string str = "";
int strl = 0;
for (int i = 0; i < n; i++) {
int vl = v[i].length();
int ptr = 0;
while (ptr < min(vl, strl)) {
if (str[ptr] == v[i][ptr]) ptr++;
else break;
}
while (str.length() > ptr) {
ans.push_back('-');
str.erase(strl - 1, 1);
strl--;
}
for (int j = strl; j < vl; j++) {
ans.push_back(v[i][j]);
str += v[i][j];
strl++;
}
ans.push_back('P');
}
printf("%d\n", ans.size());
for (char c : ans) printf("%c\n", c);
}
int main() {
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
srand(time(NULL));
int t = 1;
// cin >> t;
for (int i = 1;i <= t;i++) solve(i);
}
/*
*/
Compilation message
printer.cpp: In function 'bool cmp1(std::string&, std::string&)':
printer.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare]
23 | for (int i = 0; i < min(a.length(), b.length()); i++) {
| ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
printer.cpp: In function 'bool cmp2(std::string&, std::string&)':
printer.cpp:31:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | for (int i = 0; i < a.length(); i++) {
| ~~^~~~~~~~~~~~
printer.cpp:37:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
37 | for (int i = 0; i < b.length(); i++) {
| ~~^~~~~~~~~~~~
printer.cpp: In function 'void solve(int)':
printer.cpp:69:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
69 | while (str.length() > ptr) {
| ~~~~~~~~~~~~~^~~~~
printer.cpp:81:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wformat=]
81 | printf("%d\n", ans.size());
| ~^ ~~~~~~~~~~
| | |
| int std::vector<char>::size_type {aka long unsigned int}
| %ld
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
724 KB |
Output is correct |
2 |
Correct |
11 ms |
920 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
16 ms |
1264 KB |
Output is correct |
2 |
Correct |
9 ms |
888 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
32 ms |
2528 KB |
Output is correct |
2 |
Correct |
48 ms |
3908 KB |
Output is correct |
3 |
Correct |
36 ms |
3292 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
33 ms |
2376 KB |
Output is correct |
2 |
Correct |
65 ms |
4684 KB |
Output is correct |
3 |
Correct |
42 ms |
3652 KB |
Output is correct |
4 |
Correct |
52 ms |
4436 KB |
Output is correct |