제출 #524494

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
524494	2022-02-09 09:50:57	Jarif_Rahman	Necklace (Subtask 1-3) (BOI19_necklace1)	C++17	45 / 85	1584 ms	108884 KiB

necklace

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#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
vector<str> lex(str s){
    int n = s.size();
    char a = *min_element(s.begin(), s.end());
    vector<int> c;
    for(int i = 0; i < n; i++) if(s[i] == a) c.pb(i);
    
    vector<str> rt;
    auto startswith = [&s, &n](int k){
        str rt = "";
        for(int i = k; i < n; i++) rt+=s[i];
        for(int i = 0; i < k; i++) rt+=s[i];
        return rt;
    };
    if(c.size() == 1) return {startswith(c[0])};
    int mn = 1e9, k = -1;
    for(int i = 0; i < c.size(); i++){
        int ii = (i+1)%c.size();
        int cur = c[i]+1;
        cur+=n-c[ii];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

necklace.cpp: In function 'std::vector<std::__cxx11::basic_string<char> > lex(str)':
necklace.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for(int i = 0; i < c.size(); i++){
      |                    ~~^~~~~~~~~~
necklace.cpp:34:38: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   34 |     if(s.size()%2 == 0 && s.size()/2 == mn-1){
      |                           ~~~~~~~~~~~^~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 20 / 20
• Subtask 3: 0 / 40