Submission #1176239

#	Time	Username	Problem	Language	Result	Execution time	Memory
1176239		sofija6	Homework (CEOI22_homework)	C++20	53 / 100	992 ms	589824 KiB

Main

#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll n;
pair<ll,ll> Solve(string s)
{
    if (s.size()==1)
        return {1,n};
    ll t=0;
    if (s[1]=='a')
        t=1;
    string arg0="",arg1="";
    ll pos=4,cnt=0;
    while (pos<s.size())
    {
        if (s[pos]=='(')
            cnt++;
        else if (s[pos]==')')
            cnt--;
        if (!cnt && s[pos]==',')
        {
            pos++;
            break;
        }
        arg0+=s[pos++];
    }
    while (pos<s.size()-1)
        arg1+=s[pos++];
    pair<ll,ll> x=Solve(arg0),y=Solve(arg1);
    if (t)
        return {x.first+y.first,max(x.second,y.second)};
    return {min(x.first,y.first),x.second+y.second-n-1};
}
int main()
{
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    string s;
    cin >> s;
    for (ll i=0;i<s.size();i++)
        n+=s[i]=='?';
    pair<ll,ll> ans=Solve(s);
    cout << ans.second-ans.first+1;
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 13 / 13
• Subtask 3: 0 / 13
• Subtask 4: 30 / 30
• Subtask 5: 0 / 34