이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "combo.h"
//Dost SEFEROĞLU
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " <<
#define all(cont) cont.begin(),cont.end()
#define vi vector<int>
const int MOD = 1e9+7,inf = 2e18;
const int N = 1e5+50;
string guess_sequence(int32_t N) {
string cur;
vector<char> chars = {'A','B','X','Y'};
char firstletter = '0';
random_shuffle(all(chars));
for (auto it : chars) {
if (it == chars.back()) continue;
string ss;
ss+=it;
if (press(ss)) {
firstletter = it;
break;
}
}
if (firstletter == '0') firstletter = chars.back();
char alterone = '0',altertwo = '0',alterthree = '0';
for (auto it : chars) {
if (it != firstletter) {
if (alterone == '0') alterone = it;
else if (altertwo == '0') altertwo = it;
else if (alterthree == '0') alterthree = it;
}
}
cur+=firstletter;
for (int i=2;i<=N-1;i++) {
string presser = cur;
presser+=altertwo;
presser+=cur;
presser+=alterone;
presser+=altertwo;
presser+=cur;
presser+=alterone;
presser+=alterthree;
presser+=cur;
presser+=alterone;
presser+=alterone;
int v = press(presser);
if (v == cur.length()){
cur+=alterthree;
continue;
}
else if (v == cur.length()+1) {
cur+=altertwo;
continue;
}
else cur+=alterone;
}
char rem = chars.back();
chars.pop_back();
random_shuffle(all(chars));
for (auto it : chars) {
if (it == firstletter) continue;
string curr = cur;
curr+=it;
if (press(curr) > cur.length()) {
cur+=it;
break;
}
}
if (cur.length() != N) cur+=rem;
return cur;
}
컴파일 시 표준 에러 (stderr) 메시지
combo.cpp: In function 'std::string guess_sequence(int32_t)':
combo.cpp:52:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
52 | if (v == cur.length()){
| ~~^~~~~~~~~~~~~~~
combo.cpp:56:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
56 | else if (v == cur.length()+1) {
| ~~^~~~~~~~~~~~~~~~~
combo.cpp:69:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
69 | if (press(curr) > cur.length()) {
| ~~~~~~~~~~~~^~~~~~~~~~~~~~
combo.cpp:74:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int32_t' {aka 'int'} [-Wsign-compare]
74 | if (cur.length() != N) cur+=rem;
| ~~~~~~~~~~~~~^~~~
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