제출 #386168

#제출 시각아이디문제언어결과실행 시간메모리
386168fadi57Lamps (JOI19_lamps)C++14
0 / 100
1096 ms129624 KiB
#include<bits/stdc++.h> using namespace std; const int mx=1e5+10; typedef long long ll; const int inf=1e9+3e5; int n;string a,b; int solve(int i){ if(i==n){return 0;} int ret=inf; ret=solve(i+1)+(a[i]!=b[i]); int togle=0;int turn_on=0;int turn_of=0; for(int j=i;j<n;j++){ togle+=(a[j]==b[j]); turn_on+=(b[j]=='0'); turn_of+=(b[j]=='1'); if(j>i){ ret=min(ret,solve(j+1)+min(min(togle,turn_on),turn_of)+1);} } return ret; } int main(){ cin>>n>>a>>b; cout<<solve(0); }
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