#include<bits/stdc++.h> using namespace std; typedef long long ll; const int MAX = 5e6 + 10; const ll INF = 1e18; int n,q; int mp[MAX]; int main() { scanf("%d%d",&n,&q); memset(mp,0,sizeof(mp)); while(q--){ char op[10]; int x; scanf("%s%d",op,&x); if(op[0]=='C'){ //mp[x]=!mp[x]; if(mp[x]==1) mp[x]=0; else mp[x]=1; } else{ if(mp[x]){ printf("True\n"); } else{ printf("False\n"); } } } return 0; } |
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