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## Discussion of Problem 2002. Test Task

WA7
Posted by AtiKun 27 Nov 2016 18:06
ll n, k, op, a[11][11], ans;
string s;
vector < pair < string, string > > alr;
vector < pair < string, string > > lg;
vector < string > out;
int main(){
cin >> n;
for(ll i = 1; i <= n; i++){
cin >> s;
k = 0;
if(s == "register"){
string lo, pa;
cin >> lo >> pa;
for(ll i = 0; i < lg.size(); i++){
if(lo == lg[i].first){
cout << "fail: user already exists" << "\n";
k = 3;
break;
}
}
if(k != 3){
lg.pb(mp(lo, pa));
cout << "success: new user added" << "\n";
}
}
k = 0;
string acc, par;
cin >> acc >> par;
for(ll i = 0; i < alr.size(); i++){
if(acc == alr[i].first){
if(par == alr[i].second){
cout << "fail: already logged in";
k = 2;
break;
}
}
}
for(ll i = 0; i < lg.size(); i++){
if(acc == lg[i].first && k != 2){
ans++;
if(par == lg[i].second){
cout << "success: user logged in";
alr.pb(mp(acc, par));
out.pb(acc);
k = 1;
break;
}
}
}
if(!k && ans == 0)
cout << "fail: no such user";
if(!k && ans > 0)
cout << "\n";
}
ans = 0;
k = 0;
if(s == "logout"){
string avt;
ll o;
cin >> avt;
for(ll i = 0; i < out.size(); i++){
if(avt == out[i]){
out[i] = "````````21";
k = 4;
break;
}
}
op = 0;
for(ll i = 0; i < lg.size(); i++){
if(avt == lg[i].first){
op = 1;
break;
}

}
if(k != 4 && op){
cout << "fail: already logged out";
}
else
if(op)
cout << "success: user logged out";
if(!op)
cout << "fail: no such user";
cout << "\n";
}
op = 0;
k = 0;
}
}

what is wrong???