제출 #930774

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
930774		Aiperiii	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++14	0 / 100	0 ms	348 KiB

joi2019_ho_t3

#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define all(x) x.begin(),x.end()
#define pb push_back
using namespace std;
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    string s;
    cin>>s;
    int cntR=0,cntG=0;
    for(int i=0;i<s.size();i++){
        if(s[i]=='R')cntR++;
        else cntG++;
    }
    if(abs(cntR-cntG)>1){
        cout<<-1;
        return 0;
    }
    char c1='G',c2='R';
    if(cntR>cntG){
        c1='R';c2='G';
    }
    if(s[0]=='R' && cntR==cntG){
        c1='R';c2='G';
    }
    int cnt=0,res=0;
    for(int i=0;i<n;i++){
        if(cnt%2==0){
            if(s[i]!=c1){
                s[i]=c1;
                for(int j=i+1;j<n;j++){
                    if(s[j]==c1){
                        s[j]=c2;
                        res+=j-i;
                        break;
                    }
                }
            }
        }
        else{
            if(s[i]!=c2){
                s[i]=c2;
                for(int j=i+1;j<n;j++){
                    if(s[j]==c2){
                        s[j]=c1;
                        res+=j-i;
                        break;
                    }
                }
            }
        }
        cnt++;
    }
    cout<<res<<"\n";
}
/*
8
1 10000
-1 -10000
2 0
-2 0
100 0
105 0
-100 0
-105 0
 */

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:16:18: 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]
   16 |     for(int i=0;i<s.size();i++){
      |                 ~^~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 55
• Subtask 3: 0 / 15
• Subtask 4: 0 / 25