제출 #700716

#제출 시각아이디문제언어결과실행 시간메모리
700716coding_snorlax가로등 (APIO19_street_lamps)C++14
20 / 100
716 ms9664 KiB
#include<bits/stdc++.h> using namespace std; int List[300002]; int answer[300002]; bool Now[300002]; int main(){ int N,Q; cin>>N>>Q; for(int i=1;i<=N;i++){ char s; cin>>s; if(s-'0') List[i]=0; else List[i]=-1; Now[i]=s-'0'; } for(int i=1;i<=Q;i++){ string s; int a,b; cin>>s; if(s=="query"){ cin>>a>>b; if(List[a]!=-1) cout<<answer[a]+i-List[a]<<"\n"; else cout<<answer[a]<<"\n"; } else{ cin>>a; if(Now[a]){ Now[a]=1-Now[a]; answer[a]+=i-List[a]; List[a]=-1; } else{ Now[a]=1-Now[a]; List[a]=i; } } } }
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