Submission #529031

#	Time	Username	Problem	Language	Result	Execution time	Memory
529031		happypotato	Type Printer (IOI08_printer)	C++17	90 / 100	1078 ms	5256 KiB

printer

#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();
    	while (str != v[i].substr(0, min(vl, strl)) && strl != 0) {
    		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');
	}
	cout << ans.size() << endl;
	for (char c : ans) cout << c << endl;
}
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 (stderr)

printer.cpp: In function 'bool cmp1(std::string, std::string)':
printer.cpp:23:19: 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:31:19: 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:37:19: 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++) {
      |                 ~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 0 / 10