Submission #1015924

#	Time	Username	Problem	Language	Result	Execution time	Memory
1015924		irmuun	Homework (CEOI22_homework)	C++17	53 / 100	1044 ms	14284 KiB

Main

#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

string s;

array<int,3>solve(int l,int r){
    if(l==r) return {1,1,1};
    int cur=0;
    for(int i=l;i<=r;i++){
        if(s[i]=='(') cur++;
        if(s[i]==')') cur--;
        if(s[i]==','&&cur==1){
            auto L=solve(l+4,i-1);
            auto R=solve(i+1,r-1);
            if(s[l+1]=='a'){//max
                return {L[0]+R[0],max(L[1]+R[2],R[1]+L[2]),L[2]+R[2]};
            }
            else{
                return {min(L[0],R[0]),L[1]+R[1]-1,L[2]+R[2]};
            }
            break;
        }
    }
    return {0,0,0};
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin>>s;
    auto ans=solve(0,s.size()-1);
    cout<<ans[1]-ans[0]+1;
}

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