Submission #104383

#	Time	Username	Problem	Language	Result	Execution time	Memory
104383		dupreez	Combo (IOI18_combo)	C++14	30 / 100	72 ms	444 KiB

combo

#include "combo.h"
using namespace std;

string guess_sequence(int N) {
	string cs = "";
	for (; cs.size() < N;) {
		int v1 = press(cs + "A" + cs + "B");
		if (v1 > cs.length()) {
			if (press(cs + "A") > cs.length())cs += "A";
			else cs += "B";
		}
		else {
			if (press(cs + "X") > cs.length())cs += "X";
			else cs += "Y";
		}
	}
	return cs;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:6:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    6 |  for (; cs.size() < N;) {
      |         ~~~~~~~~~~^~~
combo.cpp:8:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |   if (v1 > cs.length()) {
      |       ~~~^~~~~~~~~~~~~
combo.cpp:9:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |    if (press(cs + "A") > cs.length())cs += "A";
      |        ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
combo.cpp:13:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |    if (press(cs + "X") > cs.length())cs += "X";
      |        ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95