Submission #655017

#	Time	Username	Problem	Language	Result	Execution time	Memory
655017		happypotato	Type Printer (IOI08_printer)	C++17	100 / 100	74 ms	4612 KiB

printer

#include <bits/stdc++.h>
using namespace std;
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 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() {
    int t = 1;
//  cin >> t;
    for (int i = 1;i <= t;i++) solve();
}
/*
 
*/

Compilation message (stderr)

printer.cpp: In function 'bool cmp1(std::string&, std::string&)':
printer.cpp:5:20: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare]
    5 |  for (int i = 0; i < min(a.length(), b.length()); i++) {
      |                  ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
printer.cpp: In function 'bool cmp2(std::string&, std::string&)':
printer.cpp:13:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for (int i = 0; i < a.length(); i++) {
      |                  ~~^~~~~~~~~~~~
printer.cpp:19:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |  for (int i = 0; i < b.length(); i++) {
      |                  ~~^~~~~~~~~~~~
printer.cpp: In function 'void solve()':
printer.cpp:50:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |   while (str.length() > ptr) {
      |          ~~~~~~~~~~~~~^~~~~
printer.cpp:62:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wformat=]
   62 |  printf("%d\n", ans.size());
      |          ~^     ~~~~~~~~~~
      |           |             |
      |           int           std::vector<char>::size_type {aka long unsigned int}
      |          %ld

• 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: 10 / 10